三陟炭田古士里近傍地質概報 : 三陟炭田地質研究 その2 : (故野中諄一學士の靈に)
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概要
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The gneissic rocks, tire oldest rocks outcropping in the Kosiri District of the Santyoku Coal Field, had a ridge-shaped form on its surface at the beginning of the Cambrian Epoch., The Tyosen System becomes somewhat thinner at the apot which covers the ridge., The structural graben in NNE direction was formed by the faulting during the Mesozoic Era, succeeded by the Bukkokuzian mazmatic action., The imbrication in the southern part was due to the existence of the ridge-shaped Pre-Cambrian mass.,
- 日本地質学会の論文
- 1949-05-20