lower limestone group 中文意思是什麼

lower limestone group 解釋
下灰巖群
  • lower : adj 〈low 的比較級〉1 較低的。2 下級的,低級的。 lower animals 下等動物。3 南部的。 in lower Manh...
  • limestone : 工程地質及勘察石灰巖
  • group : n 1 群;批,簇。2 集團,團體,小組。3 【化學】基,團,組;(周期表的)屬,族。4 (雕塑等的)群像...
  1. The lower paleozoic strata in the south kunlun massif are kulafuhe group of cambbrian - ordovician. they consists of metamorphic detrital rocks, limestone, magnetite - bearing basalt, quartzite ( meta - silicalite ), which suggests that they might form at active continent margin. the geochemical characteristics of volcanic and detrital rocks do indicate that they might form at an active marginal environment such as island arc etc. associated with the qimanyuter ophiolite suit, there are lots of early paleozoic granitic plutons

    在昆南地塊上的早古生代地層為寒武?奧陶系庫拉甫河巖群,由變碎屑巖、灰巖、含磁鐵礦玄武巖、石英巖(變硅質巖)等組成,顯示其比昆北地塊有較大的活動性,火山巖和碎屑巖的巖石地球化學特徵也反映為島弧及活動邊緣環境。
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