由于扶余油层特定的地质沉积条件，造成河道砂体横向上连通性极差、纵向多层错迭连片。
The bad horizontal communication and longitudinal stack of channel sand is because of the particular condition of geologic sedimentation of Fuyu oil reservoir.
最后一次冰川作用的漂浮物沉积在最近的其中一个地质时期——更新世，这段时期从180万年前持续到1万年前。
The drift of the last glaciation was deposited during one of the most recent epochs of geologic time, the Pleistocene, which lasted from 1.8 million to 10,000 years ago.
相比于大陆冰川沉积物，海洋沉积物提供了更完整的更新世时期的地质记录。
Ocean sediments presented a much more complete geologic record of the Pleistocene than continental glacial deposits did.
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