仙台市付近の地質 : 3つの問題点について

概要

論文の詳細を見る
Three problems on the geology of the south-western area of Sendai City are discussed with the results briefly summarized as follows: (1) The "Kagitori fault" is not really a fault, but represents a part of the werping axis which runs from Iwanuma to Kagitori via Ayashi to Okubushi., This tilting movement occurred after the deposition of the Tsunaki formation, and resulted in the formation of the deposition basin, where the Sendai group was deposited., (2) The horizon of the Mitaki andesite (lowermost formation of the Sendai group) corresponds to the upper part of the Tsunaki formation (uppermost formation of the Natori group)., Consequently, the hiatus between the Natori and Sendai groups is not so large as hitherto believed to be., (3) The facies of the Tsunaki formation changes laterally to that of the Yumoto formation.,
日本地質学会の論文
1955-08-25