在石煤层或其上部的碳质页岩中含黄铁矿层。
In the stone coal layer and the overlying black shale, there is a pyrite layer.
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.
局部出现砂质页岩薄层和碳质碎屑。
Thin layers of sandy shale, and carbonaceous fragments are locally present.
局部出现砂质页岩薄层和碳质碎屑。
Thin layers of sandy shale, and carbonaceous fragments are locally present.
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