Sunday 13 September 2020

Late Bronze Age trade between Sardinia and Cyprus.

During winter 2019, thanks to an interdisciplinary collaboration, five more or less complete bowls of Sardinian origin were detected among recently excavated material from the necropolis of Hala Sultan Tekke, Cyprus. The bowls have the typical shape and the technological and petrographic characteristics of Nuragic so-called burnished gray ware. They represent the first examples of this kind of pottery ever reported from Cyprus. Other Nuragic ceramics are known from Sicily, Crete, and Cyprus, but, so far, fine drinking ware had not been found outside the island. Over the years, the investigations at the site of Hala Sultan Tekke have provided many interesting features and finds. Hala was an urban settlement of considerable size and wealth, with a strategic position close to the sea, and a natural harbor, which had roughly the contour of today’s local salt lake. The excavations at the site revealed, among other things, striking evidence of varied craft production, including metalworking of consistent scale, In addition to the settlement, an extra-urban necropolis has also been detected. The discovery of Nuragic tableware from Hala Sultan Tekke arrives as a welcome addition to a long-lived debate on the character of the specific connections between Sardinia and Cyprus. Despite diverging positions, the new finds provide strong evidence for the idea of a distinctive and intensive relationship between Cyprus and Sardinia. It also reinforces earlier suggestions that considered Nuragic Sardinian communities to have been seafaring participants in the long distance metal trade in the Mediterranean.

In a paper published in the journal Materials and Manufacturing Processes on 13 May 2020, Serena Sabatini of the Department of Historical Studies at the University of Gothenburg, and Fulvia Lo Schiavo, a former Archaeological Superintent at the Italian Ministry of Cultural Heritage and Activities, reassess the role of Sardinian maritime 'enterprises' in the context of the Bronze Age international metal trade. In doing so they discuss not only old and new archeological evidence for long distance exchange, but also envisions the existence of apparently stable and well-defined maritime routes connecting Sardinia and Cyprus, i.e. the Western and Eastern Mediterranean.

Nuragic bowl from Hala Sultan Tekke. Peter Fischer in Sabatini & Lo Schiavo (2020).

In the Italian archeological and chronological framework system, the later part of the Bronze Age is split into the Recent Bronze Age (1225/1200-1150 BC), sometimes divided into two phases, and the Final Bronze Age (1150-950/900 BC), divided into three phases. In English scientific works the term Late Bronze Age is often used to define what Sabatini and Lo Schiavo call the Recent Bronze Age. Sabatini and Lo Schiavo believe, and hope to make a point for future studies, that the translation of the Italian first part of the later Bronze Age (età del bronzo recente) into Late Bronze Age leaves room for misunderstanding.They therefore favor the otherwise also widely accepted term Recent Bronze Age. 

In the Aegean, the succession of the Late Helladic ceramic phases of Late Helladic I (1700/1675-1635/1600 BC), Late Helladic II (1635/00-1420/1410 BC), Late Helladic IIIA (1420/10-1330/1315 BC), Late Helladic IIIB (1330/15-1200/1190BC), Late Helladic IIIC (1200/1190-1075/1050 BC) encompasses, as a whole, the Italian Middle Bronze Age and the first phase of the Final Bronze Age. Only Late Helladic IIIB can be considered parallel to the Italian Recent Bronze Age (the so-called 'Sub-Appennine' period). In Cyprus, the Italian Recent Bronze Age would roughly correspond to the Late Cypriot IIB (1375-1300 BC) and Late Cypriot IIC (1300-1200 BC). 

It is interesting to note that in Sardinia the phenomena characteristic of the Recent Bronze Age seem to begin earlier than in mainland Italy and to correspond to the Aegean Late Helladic IIIA2, and IIIB, likely including part of Late Helladic IIIC, and to Late Cypriot IIB, IIC and part of IIIA in the Cypriot cultural sequence. On the island, ceramics imported from the Aegean, found in stratified levels and in association with local pottery, provided important chronological references, as in the case of the Late Helladic IIIA2 alabastron from the foundation layers of the nuraghe Arrubiu-Orroli. Additional chronological references are provided by the associations of Nuragic pottery found outside Sardinia at the harbor site of Kommos, on the southern coast of Crete, in the Late Helladic IIIB levels, at Pyla-Kokkinokremos, and now at Hala Sultan Tekke in Late Cypriot IIC strata. The Nuragic burnished gray ware is widely documented in Recent Bronze Age sites of southern Sardinia, including the nuraghe Antigori (Sarroch district), where it is associated with Late Helladic IIIB Aegean pottery.

In the Recent Bronze Age various types of nuraghi coexist (e.g. singletower nuraghi together with the complex-plan nuraghi, like the nuraghe Arrubiu) with various kinds of megalithic tombs and temples characterized by ashlar masonry, both isolated or associated with other structures in the so-called 'federal' sanctuaries. The evidence suggests that the island might have been arranged in territorial systems, organized around strategically placed nuraghi of all kinds, villages, and tombs, and aiming at the strict control and common exploitation of vital resources such as harbors and landing places, rivers, marshes, fords, routes and paths, ores, woodlands, and agricultural lands. People living in these presumably interlinked territorial systems were likely engaged in maritime 'enterprises' across the Mediterranean. One example of possible evidence of this maritime focus can be seen in the relatively frequent representation of Nuragic towers on bronze miniature boats (around 22 examples on about 150 boats), tentatively interpreted as symbols of control over searoutes. Indeed the nuraghi are not only the impressive towers still visible all over the island, but also a powerful symbol reproduced in various ways and materials throughout the local Bronze Age. Nuragic models are interpreted as tokens of a cult of the ancestors (the latter embodied in the very same representations of the nuraghe), which developed when Nuragic towers were no longer built, but the existing ones (about 8000 or more) were still in use and certainly represented markers of identity for the local communities.

Nuragic miniature bronze boats with Nuragic towers, (A) from Pipitzu, Orroli, Cagliari province, Cagliari Archaeological Museum, (B) from Badde Rupida-Padria, Sassari province, Sanna Museum of Sassari. Sabatini & Lo Schiavo (2020).

An enormous body of scholarly literature on Mediterranean Late Bronze Age metal trade exists, not least on the oxhide ingot phenomenon, which Sabatini and Lo Schiavo believe do not attempt to summarise. In more recent years attention has been drawn to the fact that evidence of familiarity with oxhide ingots is not limited to the Mediterranean basin, but stretches to continental Europe and Scandinavia, therefore well beyond the long known finds from the Oberwilflingen hoard, in Germany. Scholarly literature on metal trade in continental Europe matches in size its counterpart on the Mediterranean. It is obvious that in both regions the demand for metals, and in particular for copper and tin, must have been very high during the Bronze Age in general, and, in the cenSabatini and Lo Schiavotral centuries of the second half of the 2nd millennium BC. The significant results of recent lead isotope analyses from the Scandinavian Bronze Age bronze and copper items provide an unexpected, and yet relevant, idea of the variation in the channeling of metal supplies in Europe throughout the Bronze Age. It is largely thanks to these studies that it is becoming clear how the Mediterranean area and continental Europe must have been connected in a network to facilitate this quest for metals. Understanding modes and characteristics in which these international systems of exchange and trade of metals operated represents an exciting challenge for many future studies on the topic.

Regarding copper, it can be said that it clearly circulated in the form of ingots as much as in that of cast objects or tools, and that it clearly came from a variety of sources. The most remarkable class of ingots, in terms of shape, weight, purity, and the technological and material efforts required to produced them, is probably that of oxhide ingots. Their distribution and chronology show a complex circulation involving multiple lands, cultures, and necessarily political and economic systems. Yet, as discussed, the circulation of copper must have been complex and oxhide ingots should be seen as just one, albeit impressive, expression of it. From an economic and pragmatic point of view, oxhide ingots were undoubtedly suitable for the transportation of large quantities of copper. It has been argued that their peculiar shape was probably familiar to a variety of receivers/markets. A series of indications suggests that they most probably embodied a message either connected to their weight, content, and/or purity, and perhaps also to the provenance of their copper, and/or to the skilled labor necessary for their production. Such a message was not only recognized over a wide landscape, but also across several centuries. As has been proposed, they seem very much to embody the characteristics of a brand commodity. So far, most of the analysed oxhide ingots datable between the fourteenth and the early eleventh century BC seem to be made of Cypriot copper, and in particular by using the ores from the Apliki deposits. The many oxhide-related artifacts from Cyprus confirm the prominent socio-cultural, political and economic role of these ingots for local communities all over the island. There is still no consensus as to the copper source used for some of the earliest oxhide ingots (recovered in Crete), but after the fourteenth century BC, and with the remarkable exception of some of the fragments from the Ballao-Funtana Coberta hoard and the Pattada-Sedda Ottinnera hoard in Sardinia, oxhide ingots seem to become a sort of Cypriot branded good over nearly three centuries. Their distribution, chronology, miniature manufacture, figurative representations on different materials and means, presence in ritual/funerary and cultic contexts or in association with metallurgical activities creates a multifaceted picture. The geographical and chronological spread of such evidence suggests that the distribution pattern of oxhide ingots was with all probability even larger than what the archeological record currently tells us. The shipwrecks along the southern coasts of today’s Turkey and Israel provide an impressive idea of the large amount of metal, in general and, of oxhide ingots, in particular, that must have been in circulation in the Late Broze Age.

Fragments of oxhide ingots and of votive swords from Giva ’e Molas, Villamar, Cagliari province, Archaeological Museum Villa Leni of Villacidro. Sabatini & Lo Schiavo (2020).

A comprehensive discussion on the copper trade in the central Mediterranean, particularly detailed in regard to Sardinia, dates to 2009. In Sardinia, four complete oxhide ingots are known: one from the Antioco site of Bisarcio-Ozieri and three from Serra Ilixi-Nuragus (Nuoro). All the rest are hundreds of fragments, generally found in hoards hidden in nuraghi, Nuragic villages, temples, and sanctuaries, but never in tombs. The number of archeological contexts with oxhide ingots from Sardinia is steadily increasing: 31 sites were published in 2009, 36 in 2016, while in 2019 the number of sites reached 40. An equally numerous and widespread evidence for this class of material does not exist anywhere else in the Mediterranean or in Europe. 

The oxhide ingot from Ozieri, Sassari province, S. Antioco Bisarcio, Ozieri Civic Archaeological Museum. Sabatini & Lo Schiavo (2020).

Oxhide ingots circulated in Sardinia earlier than generally believed a decade ago. The miniature reproduction in clay (6.5 x 3–3.5 × 0.8 cm) of a perfectly recognizable oxhide ingot, identical in shape to the ingot Serra Ilixi 3, was recovered from one of the towers of the outer wall of the nuraghe Coi Casu at the Anna Arresi site and came to light during systematic excavations. The ingot was used as a plastic decoration on a ceramic fragment of the metope pottery style, datable to the final third phase of the Middle Bronze Age (late fourteenth century BC). It is evident that in order to have been so carefully reproduced the exact appearance of an oxhide ingot had to have been well-known, and must have had particular importance at the time in which this impasto vessel was created. Therefore, oxhide ingots circulated in the West and as far as Sardinia for a considerable time. 

Distribution map of the oxhide ingots and oxhide ingot-like material evidence and of the main sites. Serena Sabatini and Rich Potter in Sabatini & Lo Schiavo (2020).

The earliest closed context with oxhide ingots is the Albucciu-Arzachena hoard. It was found during modern archeological excavations and consists of fragments of ingots, votive swords, bronze sheets, scrap metal, and a small chisel, deposited in a jar covered by a bowl. The hoard is dated to the Recent Bronze Age and has parallels in the Late Helladic IIIB by the shape of the pottery container, similar to that discovered in levels of the same age (around thirteenth century BC) at the harbor site of Kommos, Crete.

The Funtana Coberta-Ballao hoard is also securely dated to the Recent Bronze Age. It was recovered in a room adjacent to the external wall of a characteristic Nuragic 'Well Temple', scientifically excavated and extensively published in recent times. The hoard includes 31 fragments of oxhide ingots and votive swords as well as scrap metal from bronze working, both sheets and castings, totaling 20.571 kg. The metal had been placed in a double-handled jar of the same type as the ones found at Kommos (Late Helladic IIIB) and in Sardinia, and dated to Recent Bronze Age. Finally, the oxhide ingot fragment (45.1 g) from the ground floor of the central Tower A of the Serucci-Gonnesa nuraghe should also be included among the early finds. Thanks to the associated pottery, this fragment can be dated between the end of the Recent Bronze Age and the beginning of the Final Bronze Age.

Almost all oxhide ingots found in Sardinia and submitted to lead isotope analyses up to 2009 (about one-fifth of the total) showed the isotopic pattern of Cypriot ores, particularly of the Apliki mine in the Solea district of the Troodos Mountains.

Because of its undisturbed stratigraphic situation, a full-scale project of geological, metallurgical and lead isotope analyses was dedicated to the Funtana Coberta-Ballao hoard. The analyses of the Ballao Project provided unexpected results regarding the production of oxhide ingots. The fragments from Ballao confirm that in addition to the Cypriot production, there is also, on a scale that is still to be understood, an oxhide ingot production with metal of non-Cypriot origin. Some of the ingot fragments from Ballao seem to have been produced with copper from Israel and the Timna area. The results also suggest Cambrian ores (but different from the ones of the early ingots from Aghia Triada), for some pieces with a still unknown signature in the European and Near Eastern Bronze Age metallurgy. The Ballao hoard is not the only context from which oxhide ingots of different provenance have been found together. This situation also occurred in the Eastern Mediterranean at the site of Zakros, on Crete.

Of particular interest is the fact that the main feature of the samples that were analyzed is the low content in Lead²⁰⁸ isotope (the end of the Thorium series from Thorium²³²). This strange signature is clearly different from all other lead isotope geological data available from the Mediterranean and European mainland deposits. It is not the first time that it has been detected in Sardinian objects, but in the Funtana Coberta-Ballao hoard, it is predominant (25 out of 47 samples). This could apparently happen by using imported copper from different regions, i.e. different mines in the Sinai Peninsula and the Arabian Shield for most of them, Cyprus for some, and one or several radiogenic sites yet to be located.

Surprising results also arose from the metallurgical and lead isotope analyses of a small group of copper fragments, hidden in the walls of the largest known monument of its kind in Nuragic Sardinia: the nuraghe Arrubiu, Orroli district (Cagliari province). The Arrubiu nuraghe rises above the middle course of the Flumendosa River in the historical region of Sarcidano and has been archeologically investigated since 1981. The monument is characterised by a complex plan of the type known as pentalobate. This means that five towers (C-G) were built around the central tower (A), still preserved to a height of roughly 15 meters. The petrographic analyses of a Mycenaean alabastron found in the foundations of the central building strongly suggest a provenance from the Argolid, in the Peloponnese. The piece is dated to the Late Helladic IIIA2 and allows the construction of the nuraghe to be dated to the fourteenth century BC. The collapsed material from the entire central part of the monument, Tower A, the central Courtyard B and Towers C and D, have been entirely explored, and an enormous quantity of ceramic material was recovered. The nuraghe Arrubiu was abandoned between the end of the Bronze Age and the beginning of the Iron Age (tenth-ninth centuries BC) and then occupied again from the second century BC to the fifth century AD. In Roman times, two installations for the production of wine were established on top of the rubble in the central courtyard and in courtyard K on the west side, in front of the entrance to the pentalobate complex; both sealed the entrance to the inner part of the building, documenting that the ancient stratigraphic succession was unaltered. Four metal pieces were found in the nuraghe. Three of them had been stuck in the wall of the elbow-shaped niche 3 that penetrates deeply into the mighty masonry of Tower A, in correspondence to the passage. Two are flat and irregular ingot fragments, while the third piece probably had an oval form. It can be hypothesised that they had been inserted in the interstices of the structure between the second half of the fourteenth century BC, in the phase of construction, and the twelfth century BC. The position of the pieces is sufficiently elevated to exclude any intention to retrieve and use them. This must rather have been intended as a permanent location (a hoard or an offering).

The fourth metal fragment, is so small that the attribution to a flat ingot is possible only because of its low thickness, common in this category of ingots. It was found among the stones of the ceiling just over the entrance of the tortuous corridor that leads from the central Courtyard B to the Tower F, in one of the most impressive points of the whole monument for the dimensions of the masonry blocks. Being the quantity and weight of the metal of no possible relevance, these pieces are not likely to have been intended as a hoard or treasure, they must rather have been some sort of propitiatory offering. The metallurgical analyses carried out by Roberto Valera revealed that the fourth fragment was of impure copper (93%) with inclusions of copper sulfide and iron oxides. Subsequently, Ignacio Montero Ruiz carried out lead isotope analyses, discovering that the isotopic signature of these fragments of ingots matches the field of the Sinai mines (Timna and Feinan); the elemental analysis and the typology are comparable to those of other ingots found along the Israeli coast with identical isotopic signatures.

The recent publication of the analyses from the Funtana Coberta-Ballao hoard and the nuraghe Arrubiu, provide some solid evidence for metal from the southern Sinai and the Red Sea region being used in Sardinia. One possible explanation for this rather unexpected result is that Cyprus might have been not only a producer, but also a center of collection and redistribution of copper from the rest of the Eastern Mediterranean, and that Sardinia acquired copper from these eastern ores through Cyprus. However, other scenarios are also possible. It is not possible to exclude the possibility that, for instance, Nuragic seafaring extended beyond Cyprus or that cargoes from the Levant made their way to the Western Mediterranean. In this respect, it cannot be forgotten that although dated to the eleventh century BC, what looks like a relatively small oxhide ingot clay mold has been recovered at the site of Timna 30, Israel. The geology of the copper mines in the Sinai region is still a matter of debate. Presumably, future evidence will reveal a more prominent role of Levantine copper producers in the international metal trade during the Late Bronze Age than previously supposed.

It becomes more andmore clear that an extensive need for metal variously linked not only different regions in and around the Mediterranean, but also that continental Europe must be included in the picture to fully understand the historical and economic development of the Mediterranean world. European Bronze Age societies all over the continent, as much as their Mediterranean counterparts, made an extensive use of bronze, widely importing copper and tin. Therefore, future research should take into account that the need for metal experienced by continental Bronze Age societies probably played a largely underestimated role in the international metal trade all over Europe and the Mediterranean.

As already mentioned, Sardinia’s strategic position in the middle of the Western Mediterranean and the presence of local relatively rich metal deposits likely triggered and then fueled the participation of Nuragic 'enterprises' in the international maritime trade throughout the Late Bronze Age. Although more work is still necessary, a number of archaeometallurgical studies have variously suggested that not only metal from foreign ores was used in Nuragic productions, but also that metal of Sardinian origin was employed outside the island. Already in the 1990 s, lead isotope analyses indicated that over 20 copper and lead finds from Cyprus (Lapithos, Hala Sultan Tekke, Maa Paleokastro, Pyla-Kokkinokremos, Kition, Nitovikla Korovía, Farmagusta) and from the so-called Makarska hoard matched known Sardinia ores. Over a decade later the same authors reevaluated some of the previously published results adding new material and as many as 23 objects from Late Cypriot Cyprus indicated a likely Sardinian origin (the data, although probable, must be considered provisional, since they have not been reevaluated against the growing body of lead isotope analyses from various other regions). Twelve of those objects come from Hala Sultan Tekke, and three from Pyla-Kokkinokremos (the Cypriot sites from which Nuragic ceramic was excavated). The remaining eight samples come from Kition, Maa-Paleokastro and Nitovikla. If the possible match excavated in Lapithos and published in 1994 are included, then there are finds from almost all over Cyprus that are possibly made with metal from Sardinian ores. Of the analyzed objects, 16 are made of lead, and seven are tin bronzes. It is important, however, to bear in mind that at least three of these seven bronzes might also have been produced with metal from Iberian ores. Metal ores from the Iberian Peninsula and Sardinia are contemporary and geologically older than most of the Eastern Mediterranean ones. It is therefore not always possible to distinguish between them. Recently it was also noticed that two of the main mineral districts of Sardinia (the Sulcis-Iglesiente and the Barbagia/Ogliastra area) partly overlap with the south-eastern Alpine ores of Valsugana VMS and of the South Alpine AATV, respectively. However, lower Lead²⁰⁸/Lead²⁰⁴ ratios in most Sardinian ores makes it possible to distinguish them. 

As many as two items (not least the miniature oxhide ingot) of the debated Makarska hoard could have been made of Sardinian copper, while the other objects seem to come from Cyprus and from the Middle East. As noticed by Susan Sherratt this combination of provenances is so intriguing that it could be used to argue in favor of the hoard being indeed a coherent find and well mirroring the mid-Late Bronze Age international metal trade, despite more cautious opinions.

Four objects (three tools and a metal bar) of possible Sardinian origin were found in the Cape Gelidonya shipwreck. The metal bar, B223(214/BW P52 49), contains a small amount of tin (about 0.5%) and is fully consistent with copper from Sardinian mines either of Sa Londra (Alghero, Sassari) or Funtana Raminosa (Gadoni, Nuoro).

A number of other artifacts from Northern Europe might have been produced with copper from Sardinia. The oldest artifact among them is a sword pommel from Sweden dated to the second part of the Scandinavian Bronze Age Period I (roughly 1700–1500 BC). Its lead isotope composition and elemental signature seem fully consistent with the copper ores from the Sardinian mine of Calabona. A knife dated to Period II (approximately 1500–1300 BC) with a lead isotope pattern that appears consistent with the ores from Funtana Raminosa also comes from Sweden (nevertheless this association must be considered with caution, because its elevated concentrations of arsenic, antimony, nickel and silver do not match the average chemistry of the Funtana Raminosa copper). A significant group of artifacts dating to the Nordic Period II and III (roughly 1500–1100 BC) matches both the lead isotope and the elemental signatures of Sardinian copper ores. However, in the case of some of them, when looking at the sole lead isotope signature, they might also originate from Alston, Cumbria (UK), south-eastern Spain, and north Tyrol. Three recently analysed northern European sword blades appear to have been produced with copper from Sardinian ores. Two of these blades come from different Danish hoards dating to the Scandinavian Period III (roughly 1300–1100 BC). One was found at Sundby in the northwestern part of the Jutland peninsula, while the other one is from Oddsherred on the island of Zealand in southeastern Denmark. The third blade is from Germany, and although it lacks a secure context it dates to the fourteenth century BC, based on the shape of its octagonal full-hilted shaft. The probable matches with Sardinian copper ores continue into the Nordic Period IV and V (roughly 1100-800/700 BC), but these artifacts also show a lead isotope signature that could indicate Sardinia and at the same time the Massif Central in France, or possibly north Tyrol.

Caution should of course be used with the interpretation of the lead isotope analyses, not least considering that new data are constantly being generated, and other possible ores are identified, some of them overlapping with the Sardinian signatures. However, we believe that the body of evidence, paired up with the abundant presence of tin in Sardinian metallurgy and the large number of finds of Baltic Amber on the island, makes a strong case for Nuragic communities being variously involved in the long distance metal trade not only in the Mediterranean, but also with the rest of the European continent.

Tin added in proper quantities is a crucial component in the production of high quality bronze. Tin is found in specific locations on both the European continent and in Asia. The central Mediterranean has no tin sources of its own with the exception of Sardinia and Tuscany, in Italy, but at least in Sardinia, the possibility of ancient tin mining has been excluded.

It was recently demonstrated that even though it does not yet seem possible to single out specific ores, it is possible to discriminate between Western European and Near Eastern tin deposits. The study of a limited number of tin ingots from Crete and from the shipwrecks of Uluburun, and Cape Gelidonya, in Turkey, and of Hishuley Carmel, Kfar Samir, and Haifa, in Israel provides new food for thought on the Late Bronze Age metal trade and the sizable need of raw materials. It was established that the tin ingot excavated at Mochlos (Crete) was produced from deposits located in today’s Tajikistan or Afghanistan. On the other hand, ingots from the underwater finds in Turkey and Israel proved to be produced with Western European tin and with high probability with metal from Cornish ores. The tin problem is not solved yet, but the need for tin certainly contributed to the complexity of the metal trade and of the East-West relations in the Mediterranean during the Bronze Age.

A thorough archeological summing up of the problem of tin in Nuragic Sardinia concluded that the high number of tin finds in archeological contexts and hoards (Teti-Abini,Nuragus-Forraxi Nioi, Lei/Silanus-La Maddalena, and more recently Villagrande Strisaili-S’Arcu ’e is Forros), together with the relatively high percentage of tin added deliberately and appropriately to the abundant production of Sardinian bronze artifacts (weapons, tools, bronze vessels, ornaments, ritual objects and bronze figurines), was impressive and needed explanation. Recent advances in tin provenance studies indirectly support earlier hypotheses that consider Sardinia’s geographical position a key-factor to explain the abundant use of this metal locally. If consistent quantities of tin arrived to the Mediterranean via Cornwall, it seems likely that Nuragic maritime 'enterprises' perhaps navigating between the West and the East may have managed to gain a prominent role in the international tin trade, aside from using it for their highly skilled bronze production in the Recent Bronze Age.

Considerable evidence from the end of the second millennium BC (probably to be dated to the Final Bronze Age) strongly suggests that the Sardinian role in tin distribution and consumption was not episodic in nature, but instead stable throughout the Bronze Age.

Lead isotope analyses carried out on metal artifacts from Hala Sultan Tekke showed that at least seven lead finds and five bronzes could have been made of metal from Sardinia.

Hala Sultan Tekke is a harbor town and exploited one of the few natural ports offered along the south-eastern coast of Cyprus. It therefore had a strategic position for commercial endeavors, while, although some, such as for instance the Troulli inlet, would not be too far,  none of the numerous well-known copper mining areas from the island is close to the site. The Plano-Convex Ingots and Other Shapes of Ingot. Sabatini and Lo Schiavo do not discuss Cypriot political organization during the Late Cypriot periods or the possible organization of local copper exploitation; however, it has been argued that in the Late Bronze Age control over imports, and in particular over the distribution of tin,must have played a fundamental role for the establishment and legitimation of Cypriot Bronze Age elites. As in the case of the Bronze Age town of Enkomi and the later Iron Age site of Salamis (both being distant from the Troodos copper ores, but showing an incredible wealth and intensive metallurgical activities), geographical vicinity and direct control of the copper ores might not have been the primary interest for a key commercial harbor of the coast such aHala Sultan Tekke. Recent archeological surveys in the Larnaka region suggest that inland valleys suffered a degree of depopulation during the Late Bronze Age in favor of the attractive large coastal towns; hence supporting the idea that rigorous economic activity was taking place there.

Indeed, evidence for metallurgy and copper manufacture are significant at Hala. At least four different molds have been retrieved from the site through the years and three possible workshop areas with traces of metallurgical activity dated to different phases have been also identified. Most relevant in size is the area in the so-called City Quarter 2, in which a pit with over 300 kg of material related to copperworking, including slags, fragments of copper and bronze, parts of furnace walls and crucibles, was found. The presence in relation to these areas of an extraordinary doughnut-shaped bronze ingot and an unusual, seemingly rectangular lead ingot suggest that an original, but still to be understood, production of metal might have taken place there. Metallographic and lead isotope analyses on a selection of metal samples from the current Swedish-Cyprus expedition confirm earlier studies showing that copper arrived to Hala Sultan Tekke not only from different Cypriot districts, but also from outside the island. The limited number of samples cannot have any statistical relevance, but the results obtained so far, together with the archeological evidence, suggest that metallurgical activity at Hala was consistent and differentiated. In light of what must have been a constant need for tin stable relations with places like Sardinia (which might have had a significant role in the trade of Western European tin), could possibly have been of vital importance for the wealth and political economic status of groups controlling Hala Sultan Tekke metalworking. In this respect, it was noted that luxury goods at the site have often been found close to the copper-working plant, suggesting that those engaged in metal-working may have belonged to an elevated social class.

Since the 1980s Recent Bronze Age Nuragic pottery has been found outside Sardinia. To date, the material has been found at the coastal sites of Cannatello in Sicily, Lipari in the Eolian Islands, Kommos in Crete, and Hala Sultan Tekke, and Pyla-Kokkinokremos in Cyprus. Most of these sites (Cannatello, Lipari, Kommos, and Pyla-Kokkinokremos) have also produced oxhide ingots or oxhide ingot fragments. Oxhide ingots have a much wider distribution than Nuragic ceramics and are generally considered, at least in their mature phases, a typical Cypriot product. However, the largest number of finds is from Sardinia, suggesting not only a special relationship between Cyprus and Sardinia, but also an intriguing role for Sardinian maritime 'enterprises' in the Mediterranean metal trade. Sabatini and Lo Schiavo propose that in the period corresponding to the Sardinian Recent Bronze Age the presence of Nuragic pottery, alone or in combination with that of oxhide ingots, provide evidence for (at least) two main eastwards sea-routes, not forgetting the bias of absence of evidence on north Africa coasts (Carthage in Tunisia, Libyan coasts, Egyptian coasts west of Marsha Matruh in the Delta): (1) A southern 'international' route connecting Sardinia with Cyprus and encompassing at the same time the southern coasts of Sicily and Crete. (2) A northern 'round trip' route within the Tyrrhenian Sea connecting southern Sardinia and Lipari in the Eolian Islands.
What Sabatini and Lo Schiavo call the southern 'international' route is the waterway that connected Sardinia with the Eastern Mediterranean, in general, and with Cyprus specifically. Such a route would have included the harbors of Cannatello and Thapsos in Sicily, and of Kommos in Crete, and would possibly have arrived in Cyprus at the sites of Pyla-Kokkinokremos and/or Hala Sultan Tekke, which are both on the south-eastern coast of the island and have provided conclusive evidence of contacts with Sardinia.

The site is located on the low hill of Cannatello on the southern coast of Sicily near the modern town of Agrigento, and faces the Sicilian Channel. It is also near the mouth of the local river Cannatello and of the river Naro. It therefore has an exceptionally favorable geographical and topographical location, being on the coast, but dominating the landings and the access to the interior.

The site was discovered at the end of nineteenth century by Paolo Orsi (1859-1+35) and Giulio Emanuele Rizzo (1865-1950) and was then excavated by Angelo Mosso (1846-1910). Among the finds from Mosso’s excavation there was a fragment of a copper oxhide ingot (unfortunately recovered without precise contextual information) that was analysed by the Chemical Laboratory of the Royal Arsenal at Torino with the following results: copper 99.460%; tin absent; zinc 0.160%; iron 0.210%; lead absent;  sulphur 0.042%; arsenic absent; antimony 0.036%; loss 0.092%. Later excavations (from the early 1990s onwards) greatly enhanced the general understanding of the complex structure of the settlement.

At the site, there is a great quantity of Mycenaean pottery fragments, mostly deriving from vessels with closed shapes and with decorative elements common in Cyprus (e.g. at Enkomi, Hala Sultan Tekke, and Kition) such as the stylized marine shells (FM 24), widely represented in Cypriot Mycenaean pottery of Late Helladic IIIB. From the Middle Bronze Age and Recent Bronze Age layers of Cannatello Late Helladic IIIA2- IIIB and Cypriot pottery has been also found. A thirteenth century pithos with wavy grooved decoration is also of Cypriot manufacture and is similar to the one from nuraghe Antigori, Sarroch (Cagliari province) of Cypriot provenance, confirmed by archaeometric analyses. The presence of pithoi does not necessarily imply food transportation, since they were also used for the transport of other products, such as pottery. Finally, a Cypriot White Slip bowl and three stirrup-jar handles with Cypro-Minoan alphabetic incised marks, comparable to Cypriot items, have also been found at the site. This suggests a Cypriot provenance for the local Aegean imports. This hypothesis is also indirectly supported by the clear Cypriot presence in the rest of south-eastern Sicily and at Thapsos, recently defined a 'trading center of Cypriot character' (in Italian: 'nucleo emporico di caratterizzazione cipriota').

The evidence from Cannatello suggests that the site was part of a systematic route, which apparently was well-defined since the Early Bronze Age as suggested by the evidence from the sulphur mines and furnaces of Monte Grande and a base for contacts between Aegean-Cypriot traders and the inland local peoples (Milena). Additionally, due to its geographical position, the Agrigento region represents a natural link in the East-West metal trade with Sardinia and also perhaps, later on, the Iberian Peninsula. 

The discovery of Nuragic pottery at Cannatello has been presented in preliminary terms only but it seems to come from all over the site and from the Recent Bronze Age, and perhaps also from the beginning of Final Bronze Age levels. A few types are illustrated in Vanzetti’s seriation table, all with thickened. They consist of containers of different shapes and dimensions, including dolia, cups, bowls, and large lenticular bowls, made of Nuragic Recent Bronze Age gray impasto pottery. The thickened rim is a consistent feature in this material.

The fact that the imports of Nuragic pottery seem to decrease in Late Helladic IIIB, and in coincidence with the diminution of Cypriot imports, is relevant for the scope of this paper. Preliminary results of ongoing petrographic and mineralogical analyses showed that many Nuragic type vessels were made locally suggesting a more stable presence of individuals of Nuragic origin or a wide acquaintance with the Nuragic world. On the other hand, the large impasto pithoi (primary container used for traded goods) seem to be of Sardinian origin, and reinforce the idea of regular trading contacts.

The settlement of Thapsos is located on a wide, almost flat area about 1 kmlong and between 30 and 250 m wide, on the promontory dominating the isthmus of the Magnisi peninsula on the Augusta gulf, north of Syracuse. The settlement is fortified on the eastern side and overlooks two natural harbors on either side of the isthmus, which offer double protection against sea storms. The combination of the strategic location with the fertility of the inland territory provided an ideal site for the development of the trading port.

The first archeological excavations, conducted at the end of nineteenth century by Paolo Orsi (1859-1839), were mostly concentrated on the necropolis of rock-cut tombs along the coast and further inland. In the 1970s and 1980s Giuseppe Voza conducted scientific research on the settlement on the isthmus and, despite the fact that the structures were poorly preserved due to the small quantity of soil covering the site, the results were of great interest. The excavations directed by Paolo Orsi discovered a large quantity of Mycenaean pottery in the necropolis, attributed to Late Helladic IIIA1, Late Helladic IIIA2 and in some cases Late Helladic IIIB, or the end of fifteenth–beginning of thirteenth centuries BC.

At Thapsos, like at Cannatello, a wealth of Cypriot pottery, both imported and locally imitated, was recovered. A significant example of the international material culture of the site is apparent in the combination of finds from grave D. This tomb was furnished with: two Late Cypriot II Base Ring II juglets, of local, non-Cypriot manufacture; a white-shaved juglet, widely distributed in the Near East and Egypt during the periods Late Cypriot I-II (Middle/Recent Bronze Age, or fourteenth-thirteenth century BC; imported Mycenaean pottery and local pottery of the Thapsos culture. It should be also mentioned that both at Cannatello and at Thapsos, Maltese pottery was found as well, adding yet another layer to the complexity of the Mediterranean international trade systems during the Late Bronze Age. 

Thapsos was a trading port, as it handled the agricultural surplus from the nearby settlements and regions. The increase in the storage of foodstuffs, documented by the pithoi in the deposit-quarters, is a symptom of a developed chiefdom, and demonstrates that there existed a class of people (artisans and traders) not directly involved in the agricultural production, and that there was a surplus, which in turn could support the establishment of trade. At Thapsos, a fragment of the central part of an oxhide ingot was also found. The piece has been sampled and analysed by atomic absorption spectrometry by Alessandra Giumlia-Mair with the following results: copper 97%; tin absent; arsenic 0.6; antimony trace levels.; lead absent; nickel 0.2%; iron 0.3%; cobalt trace levels.; zinc absent; silver 0.07%; manganese absent.

Until now, there has been no evidence of Nuragic pottery at Thapsos, but it has to be stressed that no complete studies of all materials have been carried out and published.

Kommos is a powerful harbour site on south-eastern Crete, closely related to its neighbour sites of Ayia Triada and Phaistos. The site is much more than just a harbor with access to the fertile Mesara plain in southern Crete and to the Libyan Sea: it was a wealthy urban milieu as well. Longterm and regularly published archeological excavations since 1976 brought to light a complex urban settlement with monumental buildings and workshop areas. Additionally the site has a long history of occupation from the Middle Minoan IIB (corresponding to the Late Helladic IIB) to the post-palatial period, around 1200 BC.

Already in the late 1980s, Nuragic pottery was recognised among the many finds from the site, and subsequently published. The ceramic remains were found scattered all over the site in levels dated Late Helladic IIIB and Late Helladic IIIC. Moreover, a hoard of six pieces of oxhide ingots was found in Room N in a Late Minoan IIIB (Late Helladic IIIB) level; one of them being sampled and submitted to lead isotope analysis, is made of copper from Cyprus. Ongoing petrographic and mineralogical analyses of Mycenaean, Nuragic and local style pottery reveal evidence of connections with Sicilian (Cannatello) and Sardinian (Selargius) settlements.

The detection of Nuragic pottery at the site of Pyla-Kokkinokremos on the south-eastern coast of Cyprus was one of the most sensational discoveries of recent years. A Nuragic jar, digitally reconstructed by a sophisticated virtual procedure, was recognized thanks to the discovery of a so-called 'upside-down elbow' handle, typical of Nuragic Sardinia, and usually found in pairs on globular or ovoid necked jars. Petrological and chemical analyses established a Sardinian provenance, from the Sulcis region. The lead isotope analysis on the Pyla-Kokkinokremos jar lead clamp, carried out by Nöel Gale (1931-2014), confirmed the provenance from Sa Duchessa, one of the richest polymetallic deposits of the Sulcis district. This established that the jar was made, broken, and repaired in south-western Sardinia, and then brought to Cyprus where it ended its journey. 

New archeological excavations directed by Joachim Bretschneider, Athanasia Kanta and Jan Driessen have taken place since 2014. The site, located in a strategic position on the flat top of a naturally fortified hill overlooking the sea, is different from other Cypriot settlements because of its unusually short life, more or less a single generation in a critical period, between the Late Cypriot IIC and the Late Cypriot IIIA (roughly 1230–1170 BC). For this reason, it is called 'a time capsule'. The variety of provenances represented in the material associated with local Cypriote production is surprising: imported Mycenaean, Minoan, Nuragic, Hittite, and Canaanite pottery. In 2017, excavations in the central and northern sectors of the Kokkinokremos plateau concentrated on Trenches 3.3 and 3.4. Space 3.3.23 yielded an Egyptian alabaster amphora, adding to the growing corpus of Egyptian alabaster vessels found at the site. Space 3.3.16, possibly only accessible from the outside of the settlement, produced two Sardinian olle a colletto, bringing the total number of Sardinian vessels found at the site to four. Thanks to the discovery of Nuragic tableware at Hala Sultan Tekke, it seems that similar ceramics have been now found in sector 5 at Pyla. This exceptional finding supports the strong possibility of a Sardinian presence at Kokkinokremos as well.

The discovery of Sardinian Nuragic pottery at Hala Sultan Tekke is very recent and in the course of publication. The harbour site of Hala Sultan Tekke was a Late Cypriot urban settlement of considerable size, placed in a strategic position, dominating one of the few natural harbors of the Cypriot southern costs. As demonstrated by the many finds, Hala must have been exceedingly significant and well-integrated on international routes of maritime exchange and trade.

The Sardinian bowls come from the extra-urban cemetery or Area A of the excavations. They were found in various locations, including three offering pits filled with material that securely dates them to the Late Cypriot IIC or roughly to the thirteenth century BC.

It is likely that in the Recent Bronze Age, at least some of the oxhide ingots in the West (e.g. the ones from Sicily) were brought by Nuragic maritime 'enterprises' rather than Cypriot ones. One can hardly doubt that Nuragic Sardinia must have played an intermediary role with the two oxhide ingots found at the Anastasìa-Borgo site in Corsica near Bastia and at Sète-Hérault in the south of France. Unfortunately, none is from a datable context. Lead isotope analysis of the Corsican ingot indicated a Cypriot provenance, while no results have been so far obtained from the Sète-Hérault item.

As to the far West, Sabatini and Lo Schiavo mention that during the Final Brinze Age the archeological record registers a notable resumption of interest between Nuragic Sardinia and the Iberian Peninsula and possibly the Atlantic Bronze Age world. Differently from other important actors of the Mediterranean world at the onset of 1200 BC, archeological evidence from Sardinia does not show dramatic signs of crisis. Once again, the geographical position of the island in the center of the Western Mediterranean might have played a determinant role. Yet, in this respect, a small, but possibly relevant evidence can be mentioned. Among the various specimens analyzed for the Project Plata Preromana en Cataluña, a fragment of copper ingot of unclassifiable shape, but noticeable for its exceptional purity (copper 99%) was discovered. The lead isotope analyses indicate a Cypriot provenance from the Larnaca area, suggesting that the ingot could be a residue on the route, along which oxhide and plano-convex ingots were brought from East to West. The piece cannot be dated, and comes from the site of Ampurias (the ancient Emporion) founded by the Phocaeans of Massalìa (Marseilles) around the fifth century BC. The name of the site (meaning 'market' in Greek) suggests a place for the trade and exchange of commodities, and the piece might well be evidence of a much earlier frequentation of the area for trading purposes long before the arrival of the Phocaeans. In such a case, the history of this fragment would not be different from that of other copper oxhide ingots that, at the time of the first navigation of the Phoenicians toward the West might have originated the legend of Elissa and her purchase of the Byrsa through the artifice of cutting the skin of an ox into strips and so enclosing the promontory where Carthage was then founded.

The excavations in Lipari were conducted by Luigi Bernabò Brea and Madeleine Cavalier from the 1950s, and adequately published in the series of Meligunìs-Lipàra, including the hoard of the alpha II hut. The total weight of the hoard is 75 kg. It consists of weapons and tool fragments; there is not one single complete object, nor one fragment, which matches another. The majority consists of unworked fragments (354) of metal ingots, all graphically documented and analyzed by Alessandra Giumlia-Mair. In the hoard, there are mixed fragments of oxhide and plano-convex ingots that can be distinguished from each other because of their shape and that of the layered metal structure, visible in the section. On oxhide and plano-convex ingot fragments there are very clear traces of mechanical cuts for which some kind of blade, possibly a large chisel or sharp tool of around 2 or 3 cm, was employed. Considering the typology of the objects, the chronology of the hoard is broad (thirteenth-twelfth centuries BC). The burial, based on the few most recent objects, can be dated to the end of the local Ausonio I/beginning of Ausonio II periods, thus is contemporary with the beginning of the Final Bronze Age on the Italian mainland. In the Late Bronze Age the Eolian islands document multidirectional contacts. Exchange with the Aegean was not interrupted (Late Helladic IIIB-IIIC pottery in the Final Bronze Age levels in Lipari), and their importance in the trade routes toward the mainland and Sardinia is evident.

During the excavations, Luigi Bernabò Brea recognised foreign sherds among the Lipari Acropolis materials, soon identified by Ercole Contu as being Nuragic. Subsequently, Maria Luisa Ferrarese Ceruti re-examined them. As new and better classified local comparisons had been published by then, she was able to attribute them to the so-called pre-Geometric style, found in the village of S’Urbale (Teti district, Nuoro province), and date them to the advanced Final Bronze Age, around the eleventh century BC. 

In 2000 a new and extensive study collected all Bronze Age pottery published in Sardinia and set out a broad typology, providing a solid base for any future study, such as the recent new classification of Nuragic pottery from the Lipari Acropolis. The new study not only confirms the earlier impressions that the local Nuragic pottery should be dated to various periods, but also that it could be found in different areas of the settlement. The relationship between Lipari and Nuragic Sardinia was therefore most likely regular, rather than episodic, and possibly followed a 'round trip' route; the hypothesis is based on the absence of oxhide ingots and of Nuragic Recent Bronze Age and early Final Bronze Age pottery on the Italian Peninsula, suggesting a seaborne route that completely excluded the Italian mainland.

The earlier discovery of the significant Nuragic presence at the so-called 'time capsule' site of Pyla-Kokkinokremos had been striking. Left on the ground, a complete double-handled jar of the very same type of the Nuragic jars found at Kommos has been attributed to commercial use, being a container appropriate for the transportation of liquids or food.

The several Nuragic bowls from Hala Sultan Tekke document, for the first time, that fine ceramics of Sardinian burnished gray ware were also circulating in the Eastern Mediterranean. Their characteristics and number strongly suggest that people of Sardinian origin were in direct contact with the local population at Hala Sultan Tekke. Given their presumed use as offerings in the necropolis, it is possible that people of Sardinian origin might have been living (temporarily?) in the settlement and perhaps participated in local burial ceremonies.

The two Cypriot sites are completely different. Pyla was a short-lived, naturally fortified site with a surprising variety of 'international' material culture. Hala is a large harbor town with striking evidence of craft production, including intensive metallurgy, which we assume probably represented a main attraction for Nuragic maritime 'enterprises'.

Provenance studies carried out on bronze and copper finds from the Mediterranean and continental Europe now demonstrate that the Late Bronze Age metal trade was broad and complex. Furthermore, it is also clear that continental Bronze Age communities and the Mediterranean world networked in manifold ways in what was apparently a great need for metal. The presence of several 'foreign/exotic' goods and materials (such as Mesopotamian glass, Mycenaean ceramics, and Baltic amber), and the abundance of tin in local metal production, strongly suggest that Nuragic communities were actively involved in the international metal trade. A topic for future studies would be to investigate how it would be possible to better define and understand what Sabatini and Lo Schiavo call Nuragic maritime 'enterprises', and identify what the other driving forces were that complemented the picture and which acted side by side in the long-distance metal trade.

One aspect that has been widely discussed to demonstrate the particular and specific close relationship between Sardinia and Cyprus, and which was not mentioned in this work, is the presence of metallurgical instruments of similar types on both islands. The archeological record of those instruments, and for the technology in which they were employed, raises the important issue of knowledge transfer not only in the relationship between Sardinia and Cyprus, and, as in the case of Sardinia, for the development of the local metal production, but also on a more general level. We argue that in Bronze Age studies, the role of technological know-how has been underestimated, and that more accurate work should be undertaken to understand the impact of new technological skills on significant historical, social, and cultural transformations throughout the period.

For example, lead isotope studies on bronze objects from northern Europe proved that Scandinavian Bronze Age societies did not consistently use the locally available copper resources. In all probability, one reason for this could be the lack of appropriate technology to exploit the local ores, while the long-distance metal trade was likely to have already been provided the necessary metal supplies (and possibly at 'reasonable costs'?!).

Metal production, distribution, and consumption must have been a dynamic undertaking through time as recently demonstrated by the interesting shift in mining activity at the British Great Orme mines. Not only did marked shifts in copper supplies take place, possibly responding to processes of cultural and political changes, but the transfer of/access to technological know-how must also have had a vital role. The importance of the political and economic balance between the demand of specific bulk goods such as copper and tin and the ability to control their production and distribution was probably a key factor during the Bronze Age. In this picture, strategically positioned intermediate actors such as Nuragic Sardinia, able to control both seaborne routes and access to an advanced metallurgical technology, were probably able to gain a dominant position.

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