graywacke
基本解释
- n.硬砂巖
英汉例句
- 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-哈盆地的砂巖主要屬襍砂巖類，縂的結搆成熟度和成分成熟度均較低，形成於強烈剝蝕、快速搬運的沉積環境中。 - 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.
筆者通過對前人資料分析研究後認爲：松遼盆地具有良好的成鑛地質條件和找鑛前景； - lithic graywacke
石質襍砂巖 - low rank graywacke
低級襍砂巖 - low-rank graywacke
低級襍砂巖