Ochre communities of practice in Stone Age Eswatini

Brandi L. MacDonald (), Elizabeth C. Velliky, Bob Forrester, Svenja Riedesel, Jörg Linstädter, Alexandra L. Kuo, Stephan Woodborne, Ayanda Mabuza and Gregor D. Bader
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Brandi L. MacDonald: University of Missouri Research Reactor
Elizabeth C. Velliky: University of Bergen
Bob Forrester: Swazi Archaeological Research Association (SARA)
Svenja Riedesel: University of Cologne
Jörg Linstädter: Dürenstr. 35-37
Alexandra L. Kuo: University of Missouri Research Reactor
Stephan Woodborne: Private Bag 11
Ayanda Mabuza: University of Tübingen
Gregor D. Bader: University of Tübingen

Nature Communications, 2024, vol. 15, issue 1, 1-16

Abstract: Abstract Our species and other hominins have used earth mineral pigments since at least ~500,000 years ago, if not earlier. Its preservation and ubiquity within archaeological records across sub-Saharan Africa are well documented, but regional-scale networks of mineral selection, mining, transport, and use is an underdeveloped field. Here, we present a framework for interpreting regional variations within an overarching ochre-behavioral community of practice. Deep-time records of ochre provisioning span the final Middle Stone Age and Late Stone Age in modern day Eswatini, revealing longstanding cultural continuities in the intergenerational transmission of shared knowledge on landscapes, geology, and the desired physicochemical properties of mineral pigments. These communities of practice did not develop in isolation, and were part of a wider system of relations that were influenced and mediated by social interactions, such as technological learning, seasonal traveling, material culture exchange, and symbolic expression. We use compositional analyses to determine localized ochre procurement strategies and long-distance transport across a network of fifteen archaeological sites and mineral resources. Newly refined chronologies from Lion Cavern at Ngwenya using optically stimulated luminescence dating also reaffirm its antiquity as the oldest known evidence for intensive ochre mining worldwide (~48,000 years ago).

Date: 2024
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DOI: 10.1038/s41467-024-53050-6

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