Obsidian use in Mesoamerica

Obsidian is a naturally formed volcanic glass that was an important part of the material culture of Pre-Columbian Mesoamerica. Obsidian was a highly integrated part of daily and ritual life, and its widespread and varied use may be a significant contributor to Mesoamerica's lack of metallurgy. Lithic and contextual analysis of obsidian, including source studies, are important components of archaeological studies of past Mesoamerican cultures and inform scholars on economy, technological organization, long-distance trade, ritual organization, and socio-cultural structure. Due to its glassy internal structure, obsidian is relatively easy to work, as it breaks in very predictable and controlled ways via conchoidal fracturing. This contributed to its prolific use throughout Mesoamerica. It is obtained by either quarrying source sites or in nodule form from riverbeds or fractured outcrops. Following the removal of cortex (when applicable), bifacial, unifacial, and expedient flake stone tools could be produced through lithic reduction. The use of pecking, grinding, and carving techniques may also be employed to produce figurines, jewelry, eccentrics, or other types of objects. Prismatic blade production, a technique employing a pressure flaking-like technique that removed blades from a polyhedral core, was ubiquitous throughout Mesoamerica. Modern attempts to redesign production techniques are heavily based on Spanish records and accounts of witnessed obsidian knapping. Motolinia, a 16th-century Spanish observer, left this account of prismatic blade production: It is in this manner: First they get out a knife stone (obsidian core) which is black like jet and 20 cm or slightly less in length, and they make it cylindrical and as thick as the calf of the leg, and they place the stone between the feet, and with a stick apply force to the edges of the stone, and at every push they give a little knife springs off with its edges like those of a razor.

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Maya civilization

The Maya civilization (ˈmaɪə) was a Mesoamerican civilization that existed from antiquity to the early modern period. It is known by its ancient temples and glyphs (script). The Maya script is the most sophisticated and highly developed writing system in the pre-Columbian Americas. The civilization is also noted for its art, architecture, mathematics, calendar, and astronomical system. The Maya civilization developed in the Maya Region, an area that today comprises southeastern Mexico, all of Guatemala and Belize, and the western portions of Honduras and El Salvador.

Obsidian use in Mesoamerica

Mesoamerica

Mesoamerica is a historical region and cultural area that begins in the southern part of North America and extends to most of Central America, thus comprising the lands of central Mexico, Belize, and Guatemala, El Salvador, Honduras, and Nicaragua, and northern Costa Rica. In the pre-Columbian era, many societies flourished in Mesoamerica for more than 3,000 years before the Spanish colonization of the Americas begun at Hispaniola island in 1493.

From hunter-gatherers to advanced civilisations, this lecture traces human evolution through key phases like migration, agriculture, and urbanisation.