• It is hosted in the stratum of the group C of the Sinian system. Its deposit type belongs to the Niobium-Ta...

    矿床赋存于震旦系C组地层中,中型规模,矿床类型为岩浆作用形成的白云母钠长石伟晶岩铌钽矿床。

    youdao

  • Its stratigraphic sequence, lithology and sedimentary facies can be correlated to the Sinian System in Xiangtan manganese mine area.

    其层序,岩性岩相特征均可与湘潭锰矿地区震旦系对比。

    youdao

  • Bikou ductile shear zone distributing along Kangxian county-Nianba-Maziba developed in the Devonian System and the upper Guanjiagou Formation of Sinian System.

    碧口韧性剪切带沿康县—碾坝—麻子坝一带呈连续带状展布,发育于泥盆系及震旦系关家沟组上岩段内部。

    youdao

  • On the basis of modern theory of sedimentology and stratigraphy, the paper analyses the stratigraphic sequence and sedimentary environment of Sinian system in the area.

    本文运用现代沉积学和地层学理论,对区内震旦系岩石地层进行了基本层序研究与沉积环境分析。

    youdao

  • Based on analysis of auriferous and geochemical properties of the meta morphic rocks, the authors hold that the major elements related to gold mineralization were derived from the Pre-Sinian System.

    在分析变质岩的含金性及地球化学性质的基础上,认为与金成矿有关的主要元素均源自前震旦系。

    youdao

  • Based on analysis of auriferous and geochemical properties of the meta morphic rocks, the authors hold that the major elements related to gold mineralization were derived from the Pre-Sinian System.

    在分析变质岩的含金性及地球化学性质的基础上,认为与金成矿有关的主要元素均源自前震旦系。

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定