19億年前の深海底堆積岩の特徴 : カナダ・フリンフロン帯における掘削コアTS07-01の岩石記載 - 1

概要

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1.9 Ga old Flin Flon belt is located in southeastern part of the Trans-Hudson orogen in central partof Canada. Stratigraphic and lithological descriptions were carried out for upper part (28-120.3m) of adrilling core (TS07-01) from the Flin Flon belt. Main lithology is massive-carbon-rich black shales andsandstones having many graded structures and thin quartz veins. One fold axis and 134 sets of gradedturbidite beds with five cycles of coarsening to upward sequence are recognized.
2010-03-31