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The Preferential Collection and Use of Ochre Pigments and Iron Ores at Twin Rivers Kopje, Zambia (2015)
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Twin Rivers Kopje, Zambia is a Middle and Later Stone Age site first excavated by J. Desmond Clark that has yielded extensive evidence of mineral pigment collection and use dating to as old as 300,000 years ago. In this study, we sampled pigment sources within 25 km of Twin Rivers for digital colorimetry and trace element fingerprinting using Laser Ablation - Inductively Coupled Plasma Mass Spectrometry. In addition, all pigment excavated from the site by Clark was analyzed for sourcing....