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仇山是国内著名的油脂脱色用钙基膨润土产地,最近又在深部找到优质钠基膨润土。本文据历年地质、开采资料就矿床的基本地质特征作一简介,不当处,敬请指正。一、矿床地质特征矿床位于乌镇-临安北东向区域性断裂的北西侧,瓶窑-仇山晚侏罗世断陷盆地中。含矿地层属晚侏罗世劳村组火山碎屑岩系,顶为早白垩世朝川组红层不整合覆盖,底不整合在
Qiu Shan is a famous domestic production of calcium-based bentonite for decolorization of oil, and recently found high-quality sodium bentonite in the deep. This article based on historical geological, mining data on the basic geological characteristics of a brief profile, inappropriate, please correct me. First, the geological characteristics of deposits Deposits located in Wuzhen - Lin’an north-east regional fault northwest side, bottle kiln - QiuShan Late Jurassic faulted basin. The ore-bearing stratigraphy is a Late Jurassic volcaniclastic rock series of Laocun Formation, with the upper Cretaceous Chaochuan Formation unconformity covered and unconformity at the bottom