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湖北省广济县阳城铅锌矿是长江中下游黄石至武穴铅锌矿带东端的一个工业矿床。它在成因上属于沉积—热液改造类型,具有非常明显的层控特征。其矿源层为大冶灰岩,成矿改造因素是构造热液作用,在这两者之间还存在一个起中间富集作用的岩溶角砾岩,这在现行铅锌矿床分类中可能还是一种个别特殊型式。笔者将通过本文着重介绍这个矿床的基本特征和它的成矿模式。
Yangcheng lead-zinc mine in Guangji County, Hubei Province is an industrial deposit at the eastern end of the Yellowstone-Wuxu lead-zinc belt in the middle and lower reaches of the Yangtze River. It belongs to the depositional hydrothermal transformation type, with very obvious layer control features. The source layer is Daye limestone, and the metallogenetic alteration factor is tectono-hydrothermal. There is also an intermediate enrichment karst breccia between the two, which may still be one in the current lead-zinc deposit classification A few special types. The author will highlight the basic characteristics of this deposit and its metallogenic model through this article.