OBSIDIAN SOURCES AND DISCRIMINANT (COMPOSITIONAL) GROUPS
Kyushu, Southwest Japan
Discriminant(Compositional)Groups
FR-1
HR-2
HR-3
KA-1
KA-2
KA-3
KD-1
KD-2
MD-1
MD-2
MU-1.1
MU-1.2
MU-2
MU-4
MU-5
OP-1
SR-1
UD-1
UD-2
UD-3
Group assignment diagrams (EDXRF)
for NW Kyushu with Paekutosan (PNK-1)
Sample locality (Google Maps)
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IK-1
IK-2
IK-3
for Iki ls.
with Oki-Dogo Is.
Discriminant(Compositional)Group
HS-1
for Himeshima ls.
with NW Kyushu