• 根据最新地层划分对比方案,首次分析了研究沙湾特征及其影响因素

    Based on the newest method of division and correlation of Shawan formation, the article analyzes firstly the characteristics of Shawan formation in the study area, and discusses influential factors.

    youdao

  • 这些研究解决整个南方震旦纪地层划分对比统一沉积相的时空演化具有重要意义。

    All these studies on solving the unity of stratigraphic division and correlation and the evolution of sedimentary facies in time and space in whole of South China Sinian is of significance.

    youdao

  • 研究成果黑龙江省东部早白垩世高精度地层划分对比确定提供了精确的年代依据

    The result provides a foundation of exact time for the high precision stratigraphic subdivision and coal-forming period in Eastern Heilongjiang Province.

    youdao

  • 羌南地区奥陶纪—泥盆纪生物地层发现邻区地层划分对比和探讨羌塘构造演化提供了重要依据

    The discovery of Ordovician-Devonian biotas and strata provide new important evidence for the stratigraphic division and correlation and the study of the tectonic evolution of the Qiangtang area.

    youdao

  • 我国上白垩统普遍见到,地理分布广地质时限作为白垩世标志分子,在地层划分对比中举足轻重。

    It can be as a marker member of Late Cretaceous for its broad distribution in geography, but short duration in geologic period and well used for strata classification and correlation.

    youdao

  • 渤海沿岸盆地东濮凹陷内发育地层地质时代归属划分对比问题长期以来一直存在争议。

    The geological age, stratigraphic subdivision and correlation of the "High Resistivity Red Bed" in the Dongpu Depression, Bohai Sea Coastal Basin, has been an unresolved question.

    youdao

  • 概要总结东北中生代地层中古生物群以及它们岩石地层单位中的分布,借以说明岩石地层时代地层多重划分对比提供了依据。

    The Mesozoic biota and their distribution in lithostratigraphic units in northeastern China are summed up to suggest the age of the units and to be the basin for multiple classification of strata.

    youdao

  • 二郎及其相关地层70年代以来划分对比方案

    Ever since the 1970s, the schemes of division and correlation of the Erlangping Group and its correlated strata have even arrived more than 10 types.

    youdao

  • 浙江长兴杭州常山地区老虎洞组、黄龙组剖面进行了生物地层岩石地层划分对比

    Moreover, the biostratigraphic and lithostratigraphic correlation has been made between this section and the section of the two formations in Changxing, Hangzhou and Changshan in Zhejiang.

    youdao

  • 浙江长兴杭州常山地区老虎洞组、黄龙组剖面进行了生物地层岩石地层划分对比

    Moreover, the biostratigraphic and lithostratigraphic correlation has been made between this section and the section of the two formations in Changxing, Hangzhou and Changshan in Zhejiang.

    youdao

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