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sial

/ˈsaɪ.əl/

翻译: 地质学术语,指构成地壳外层、富含硅和铝的岩石(类似于花岗岩)。

1 个条目

noun

/ˈsaɪ.əl/C2formalscientific
  • zh地质学术语,指构成地壳外层、富含硅和铝的岩石(类似于花岗岩)。

A geological term referring to the granitelike rocks that form the outermost layer of the Earth's crust, rich in silicon and aluminum.

不可数

  1. Earth's crust layerC2formalscientific

    The granitelike rocks that form the outermost layer of the Earth's crust, rich in silicon and aluminum.

    zh硅铝层

    • The sial layer is primarily composed of granite and other light-colored rocks.
    • Geologists study the sial to understand continental crust formation.
    • The sial is less dense than the sima layer beneath it.