该“潜伏”脉带的金矿化限于寒武系以硅质岩为顶板的碳质页岩中,明显受成矿前产生的韧性剪切带控制。
Gold mineralization of the zone is confined only to the Cambrian carbonaceous shale overlain by siliceous rocks, and apparently controlled by a premineral tough shear zone.
成长植株的中、高位叶硅质细胞成马鞍形,通常与栓质细胞成对,与长细胞相间排列成多种图形。
In leaves on middle and upper rank of growth plant took theshape of saddle and usually got paired with cork cells arranging alternatively in manyforms with long cells.
科罗拉多型矿床中的铀矿物为晶质铀矿和水硅铀矿,与之共生的还有钒,铜矿物。
Ore minerals in the Colorado-type deposits are of uraninite and coffinite, with associated vanadium and copper minerals.
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