Abstract
AbstractFor much of their history, prismatic blades were a relatively scarce item whose restricted occurrence suggested they functioned as prestige or luxury items. Some time prior to the Postclassic period, however, they became a widespread, ubiquitous, and mundane commodity in Mesoamerica, as indicated by ethnohistorical accounts as well as archaeological evidence. This occurred around the same time that blademakers began to prepare core platforms by pecking and grinding, a labor intensive process whose advantages are presumed to have played the primary role. The specific causal relationships involved, however, appear to pertain less to factors of increased productivity on the part of individual blademakers than to those of skill, as suggested by comparisons between core/blade technology used in areas close to obsidian sources and those used at sites further removed from the sources.
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