A relict fauna and anomalously coarse grains are common in the upper few feet of some shelf sands.

残余化石和异常粗的颗粒，通常出现于某些陆棚砂上部的几英尺内。

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A relict fauna and anomalously coarse grains are common in the upper few feet of some shelf sands.

残余化石和异常粗的颗粒，通常出现于某些陆棚砂上部的几英尺内。

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