中扇是碳酸锰矿有利赋存部位。
Middle fan was favorable occurrence in enriching manganese carbonate deposit.
好的储集体主要有湖底扇中扇辫状水道砂体和轴向重力流水道砂体。
Good reservoir mainly includes sublacustrine fan-in-fan braided channel sand body and axial gravity flow channel sand body.
温暖潮湿的古气候条件。 从储集层角度看，厚层内扇主沟道和中扇辫状沟道应是隐蔽油气藏的勘探目标。
The thick main groove sediment in inner fan and braided groove in middle fan are play targets for subtle reservoir.
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