OBSIDIAN SOURCES AND DISCRIMINANT (COMPOSITIONAL) GROUPS
Chugoku, Southwest Japan
Discriminant(Compositional)Groups
OD-1
OD-2.1
OD-2.2
OD-3.1
OD-3.2
Group assignment diagrams (EDXRF)
for Oki-Dogo Island with Iki Island
Sample locality (Google Maps)
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