Country:
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Japan
|
Province:
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Akiyoshi,Yamaguchi Pref.
|
Locality:
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Mine City,Isa Quarry,IM-01, IM-04, IM-11
|
Layer:
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Akiyoshi Lmst.,lower part, antiqua Zone |
Lower Boundary:
|
U Halian--Bloydian, Brentwood base, 313 million years
|
Upper Boundary:
|
UAR Brentwood Lst.--Woolsey, 312.5 million years
|
Georeference:
|
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