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graywacke是什么意思

2024-01-12 12:49:17
graywacke
美[greɪˌwæk]  英[greɪwæk]
n.  硬砂岩

例句

  1. The sandstones of the Turpan Basin belong mostly to graywacke and their compositional and textural maturity are generally low,indicating a strong erosional and rapid transportational environment. 吐-哈盆地的砂岩主要属杂砂岩类,总的结构成熟度和成分成熟度均较低,形成于强烈剥蚀、快速搬运的沉积环境中。
  2. Its basement is mainly composed of Paleozoic epimetamorphic rocks and the cover mostly consists of Cretaceous graywacke and organic shale formation,as well as Cenozoic loose elastic accumulations. 笔者通过对前人资料分析研究后认为:松辽盆地具有良好的成矿地质条件和找矿前景;
  3. lithic graywacke 石质杂砂岩
  4. low rank graywacke 低级杂砂岩
  5. low-rank graywacke 低级杂砂岩
  6. feldspathic graywacke 长石杂砂岩,长石玄武土