• 变质压力为低—中压过渡型堇青石变质沉积岩普遍存在;

    Metamorphic pressure of granulites is lower-middle, and cordierites are widely occurred in metasedimentary granulites.

    youdao

  • 因此,可以推测苏鲁山带核部超高压变质原岩为形成大陆板内环境的沉积岩-酸性基性火山岩-花岗岩和奥长花岗岩建造。

    Therefore, the protoliths of the UHPM rocks from the southern Sulu orogenic belt were sedimentary rocks, mafic and acidic volcanic rock, granite and trondhjemite formation with continental affinity.

    youdao

  • 结果表明,该区的长角闪岩大洋拉斑玄武岩变质,变粒岩则是由酸性沉积岩变质而成。

    It was shown that the amphibolite was transformed from oceanic tholeiitic basalts and the leptynite was converted from acidic sedimentary rocks.

    youdao

  • 一种纹理清晰变质岩,石英长石云母其他矿物组成因侵入沉积岩特别是页岩作用而形成

    A fine-grained metamorphic rock composed of quartz, feldspar, mica, and other minerals, formed by the action of intrusive rock upon sedimentary rock, especially shale.

    youdao

  • 新生代地层砾岩砾石成分稳定,变质沉积岩成分居多,岩浆岩很少

    Gravels components from the Cenozoic strata are mainly composed of metamorphic rocks and sedimentary rocks with little magmatic rocks.

    youdao

  • 长石石英云母片岩石英岩大理岩的原岩为沉积岩变质的长英质片麻岩和基性火山岩—起构成古老的表壳岩组合

    The quartz-mica schist, quartzite and marble were metamorphosed sedimentary rocks, and, together with paragneiss and mafic rock, constituted the old supracrustal series.

    youdao

  • 沉积岩火成那样熔融岩石物质形成沉积岩是由早先存在变质沉积岩的矿物碎屑及岩石屑组成的。

    Unlike igneous rocks which are formed from molten rock material, sedimentary rocks are made up of particles of previously existing rocks, including igneous, metamorphic and sedimentary rocks.

    youdao

  • 分析岩浆活动特征及其形成构造环境基础,探讨研究沉积岩系及其中有机质的热变质作用。

    The authors made a discussion on the thermometamorphism of sedimentary rocks and their organic matters in the area, according to the magmatic activities and their tectonic environment.

    youdao

  • 二叠纪全球性大规模火山活动,致使区内整个寒武纪的火山沉积岩普遍发生变质

    Afterward, global large-scale massive volcanic activity in Permian Period generally brought about metamorphism whole middle Cambrian Period volcanic sediment rock in research area.

    youdao

  • 上部变质复理石建造下部变质火山-沉积岩建造。

    The upper part of it is a suit of metamorphic flysch formation, and the lower part, metamorphic volcanic-sedimentary rocks.

    youdao

  • 岩石化学微量元素研究表明,一个由贫硅富沉积岩经高级变质作用形成的矿床。

    Based on the investigation by petrochemistry and trace elements, It is regarded that this corundum deposit are formed

    youdao

  • 岩石化学微量元素研究表明,一个由贫硅富沉积岩经高级变质作用形成的矿床。

    Based on the investigation by petrochemistry and trace elements, It is regarded that this corundum deposit are formed

    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