Petroleum biomarkers (Other Keyword)
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Olmec Asphalt Trade Revealed by Combined Biomarker and Chemometric Analysis (2023)
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This is an abstract from the "SAA 2023: Individual Abstracts" session, at the 88th annual meeting of the Society for American Archaeology. Within the Olmec region, resources such as basalt, asphalt, cacao, kaolin clay, and hematite pigment are available in discreet areas. This uneven distribution of raw materials has led some scholars to suggest that Olmec leaders controlled the sources of raw materials and regional trade, from which they derived their economic and political power. The...