见于接触带的泥质岩石中，也常见于结晶片岩中。

Found in the contact zone of the shale rock, but also common in crystalline schist.

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在假定岩石体积模量是其上、下限值线性加权平均值的条件下，提出了泥质岩石油气层声波速度校正法。

And a correction method for acoustic logs from shaly sand is also proposed assuming that the bulk modulus of the rock is the linear weighted averages of its upper and lower limits.

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泥质片岩是工作区内分布最多的岩石组合，出现了典型中压类型的标型矿物及矿物组合。

And the pelite schist is the main rock type, and contains the classic medium pressure metamorphic minerals.

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