Categorization of Obsidian Sources and Samples
Categorization of Obsidian Sources and Samples
Categorization of Obsidian Sources: Primary vs. Secondary
Primary Source (Obsidian Formation Site)
Definition: The original geological location where obsidian formed directly through the cooling and solidification of magma or lava, or by welding processes.
Secondary Source (Obsidian Accumulation or Redeposition Site)
Definition: A location where obsidian has been transported and redeposited through natural geological processes after its initial formation.
Categorization of Obsidian Sample: Autochthonous vs. Allochthonous
Autochthonous obsidian (Original location certain)
Allochthonous obsidian (Original location uncertain)
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