山西阳高堡子湾金矿地质特征及找矿标志

堡子湾金矿位于华北地台北缘天镇断拱东部阳高凸起区，是与印支未－－海西期火山一次火岩有关的隐爆角砾岩型金矿床。成矿物质主要来自重熔型岩源－－石英二长（斑）岩，隐爆角砾岩为容矿岩石，与隐爆带总体走向平行的张扭性断裂为导矿构造，隐爆角砾岩的内部裂隙及角砾间隙，是良好的储矿构造。

Geological Features and Prospecting Criteria for Buzhiwan Gold Deposit,Yanggao in Shanxi

Buzhiwan gold deposit is located in the Yanggao raised area of east Tianzhen,the northborder of North China platform, genetically it is a cryptoexplosion breccia type with close relation to the volcanic and subvolcanic rocks of Indo Sinian epoch The ore forming materials are mainly originated from the remelting magma;the adamellite and cryptoexplosion breccia are the hosted rocks; the tenso shear fractures are the passage ways for ore fluid; and the internal fissures and breccia interstices of cryptoexplosion breccia are the good ore reservoirs The main prospecting criteria are the Mesozoic volcanic and subvolcanic mechanism;the geochemical anomalies of gold ,silver and arsenic;and the gossans,which may be directly used to guide ore prospecting