104-7.1-stonetools-pottery

104-7.1-stonetools-pottery - Typology I Lithics: Stone...

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Unformatted text preview: Typology I Lithics: Stone Tools Stone Tools and Archaeology Common throughout prehistory Only durable tool until metallurgy (over 2 million years) Reductive technology: manufactured by removing material from core (creates substantial residue: debitage) Inorganic: do not decay Same basic process for manufacture used across all of prehistory Percussion (grinding later development) Stone Tools: Raw Materials Needs specific types of stone Non-crystalline; homogenous; Cryptocrystalline Conchoidal fracture Molecular edge Ideal: natural glass (obsidian) Chert/flint; quartzite; basalt; quartz Conchoidal Fracture Raw Materials Obsidian Chert Quartzite Stone Tools vs. Metal Stone: Sharper (up to 1000x); ubiquitous raw materials Brittle; high breakage rate Metal: Durable; more flexible Require complex technology (smelting, alloying (natural cold hammering inferior to stone tools) Stone Tool Manufacture Percussion: using hard or soft hammer to remove flakes from core Subsequent hammering to shape flake or core to desired shape Pressure flaking for final shaping and sharpening Flintknapping Debitage Waste flakes left over from tool manufacture Most common artifact throughout most of prehistory Analysis: Reconstruct production sequence Utilization (retouch, polish) Flake Morphology...
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104-7.1-stonetools-pottery - Typology I Lithics: Stone...

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