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廣島大學地學研究報告 3 号
1953-11-20 発行
徳山地方の三郡本山変成岩類の地質及び岩石について
Geology of the Sangun metamorphic groups in the Tokuyama district, Yamaguchi Prefecture.
岡村 義彦
Abstract
The crystalline schists of this area belong to the Sangun metamorphic groups, which are the metamorphic equivalent of the Chichibu palaeozoic groups.
They consist of black-schists, sandy schists, quartz-schists and green-schists.
on the basing of the original rock species of crystalline schists, the geological map has been drawn.
According to the stratigraphical and lithological characters, the Sangu metamorphic groups in the region are divided as follows:
[Original table is skipped. For more details, please refer to the full text.]
The crystalline schists of this area belong mostly to the chlorite zone, and locally to the biotite zone characterizing the more advanced stage of metamorphism.
They consist of black-schists, sandy schists, quartz-schists and green-schists.
on the basing of the original rock species of crystalline schists, the geological map has been drawn.
According to the stratigraphical and lithological characters, the Sangu metamorphic groups in the region are divided as follows:
[Original table is skipped. For more details, please refer to the full text.]
The crystalline schists of this area belong mostly to the chlorite zone, and locally to the biotite zone characterizing the more advanced stage of metamorphism.
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