Country:
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Japan
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Province:
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Kitakami Massif,Southern
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Locality:
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Yukisawa,Yahigi-machi,Rikuzentakata City
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Layer:
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Onimaru Fm., sumita Group |
Lower Boundary:
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Up.Visean Goniatites BZ base [up.VIS], 333.5 million years
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Upper Boundary:
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Visean--Namurian/Serpukhovian [VIS--NAM], 326.4 million years
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Georeference:
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