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A partial prehistory of the Southwest Silk Road: Archaeometallurgical networks along the sub-Himalayan corridor

Pryce, Oliver; Carrignon, Simon; Cadet, Melissa; Naing Oo, Kay; Naing Oo, Saw; Thu Win, Thu; Aye, Arkar; ... Radivojevic, Miljana; + view all (2023) A partial prehistory of the Southwest Silk Road: Archaeometallurgical networks along the sub-Himalayan corridor. Cambridge Archaeological Journal 10.1017/S0959774323000185. (In press). Green open access

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Abstract

Historical phenomena often have prehistoric precedents, with this paper we investigate the potential for archaeometallurgical analyses and networked data processing to elucidate the progenitors of the Southwest Silk Road in Mainland Southeast Asia and southern China. We present original microstructural, elemental and lead isotope data for 40 archaeological copperbase metal samples, mostly from the UNESCO-listed site of Halin, and lead isotope data for 25 geological copper-mineral samples, also from Myanmar. We combined these data with existing datasets (N=98 total) and compared them to the 1000+ sample late prehistoric archaeometallurgical database available from Cambodia, Laos, Thailand, Vietnam and Yunnan. Lead isotope data, contextualised for alloy, find location and date, were interpreted manually for intra-site, inter-site and inter-regional consistency, which hint at significant multi-scalar connectivity from the late 2nd millennium BC. To test this interpretation statistically, the archaeological lead isotope data were then processed using regionally-adapted productionderived consistency parameters. Complex networks analysis using the Leiden community detection algorithm established groups of artefacts sharing lead isotopic consistency. Introducing the geographic component allowed for the identification of communities of sites with consistent assemblages. The four major communities were consistent with the manually interpreted exchange networks and suggest southern sections of the Southwest Silk Road were active in the late 2nd millennium BC.

Type: Article
Title: A partial prehistory of the Southwest Silk Road: Archaeometallurgical networks along the sub-Himalayan corridor
Open access status: An open access version is available from UCL Discovery
DOI: 10.1017/S0959774323000185
Publisher version: https://doi.org/10.1017/S0959774323000185
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Southwest Silk Roads, Archaeometallurgy, Lead isotope analysis, complex networks, community detection, Myanmar, Yunnan, Southeast Asia, Prehistory.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Institute of Archaeology
URI: https://discovery.ucl.ac.uk/id/eprint/10168769
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