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This article presents recent results of our analysis of the operative sequence of production and consumption of Olmec greenstone artefacts. It documents the multi-disciplinary approach taken to the kinds of manufacturing techniques used by the Olmecs, the quarries where they extracted raw materials, and the contexts in which they sometimes buried their tools. This project uses implement petrography, energy dispersive spectrum (EDS), neutron activation analysis (NAA), and particle-induced X-ray emission (PIXE).