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stratigraphic subdivision

网络地层划分

stratigraphic subdivision

stratigraphic subdivision

stratigraphic subdivision

地层划分

地层划分（stratigraphic subdivision）是指对一个地区的地层剖面中的岩层进行划分，建立地层层序的工作。一般对一个地区的 …

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The result is significant to study the geological age and stratigraphic subdivision in Guanjiagou Formation .

这一结果对研究关家沟组地层对比、时代划分提供了依据。

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The stratigraphic subdivision and correlation of the upper Triassic series in front of Daba Mountains

大巴山前缘地区上三叠统地层划分与对比

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