• 国际地层指南指出地层扩展为包括构成地壳所有岩石体描述

    International Stratigraphic Guide pointed out that stratigraphy should be defined as the description of all rock bodies constituting the earth crust.

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  • 国际地层指南多重地层划分观点为基础,建立了一完整义县岩石岩层单位。

    According to the multiple stratigraphic division of the International stratigraphic Guide, a complete column of lithostratigraphic units of the Yixian Formation has been erected.

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  • 国际地层指南多重地层划分观点为基础,建立了一完整义县岩石岩层单位。

    According to the multiple stratigraphic division of the International stratigraphic Guide, a complete column of lithostratigraphic units of the Yixian Formation has been erected.

    youdao

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