Example image of eyePlorer eyePlorer map for 'Obsidian use in Mesoamerica': Archaeological culture Glass Mesoamerica Obsidian Pre-Columbian era Volcano Metallurgy Archaeology Culture Lithic analysis Conchoidal fracture Cryptocrystalline Nodule (geology) Quarry Biface Cortex (archaeology) Lithic flake Lithic reduction Stone tool Uniface Figurines Lithic core Prismatic blade Retouch (lithics) Sharpening Awl Projectile point Guatemala Mexico Sierra Madre Archaeological record Neutron activation analysis University of Missouri University of Missouri Research Reactor Center Altotonga (municipality) Guadalupe Victoria Gulf Coast of Mexico Malpais Michoacán Otumba Pico de Orizaba Santa Elena Tepalcingo Tulancingo Zacualtipan Guatemalan Highlands Ixtepeque San Martín Jilotepeque Volcán Tajumulco Maya civilization
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