桂北及桂东地区富B和富F花岗质岩石蚀变特征及其与成矿作用的关系

Alteration Characteristics of Enriched B and F Granitic Rocks and their Relations to Metallogenesis in Northern and Eastern Guangxi Areas

将桂北及桂东地区的花岗质岩石划分为富Ｂ型、富Ｆ型和Ｆ、Ｂ同时富集型，讨论了与此相应的３个不同成矿系列有关的围岩蚀变和成矿作用特征，指出花岗质岩石富Ｂ或富Ｆ的特征是决定围岩蚀变和成矿作用的关键因素。

n this paper,granitic rocks in Northern and Eastern Guangxi areas are divided into enriched B type,enriched F one andintermediate. Characteristics of wall rock alteration and metallogenesis of three relevant metallogenic systems are discussed,in-dicating that granitic rock rich in B of F is a crucial element which controls wall rock alteration and metallogenesis.