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邓埠仙位于湘东茶陵县,是一个海拔一千多米的高山,而且又是一个花崗岩侵入体。岩体中有很多黑鎢石英矿脉,产黑鎢,黄銅矿、黝錫矿及白鎢等金属矿物(以黑鎢为主)。花崗岩侵入体受到与成矿作用有关的气化变貭与热变貭作用,产生了以云英岩化为主的蝕变。岩体凝固后又受到較剧烈的碎裂变质作用,产生各种碎裂变貭岩石。这两种变貭岩差不多代替了矿区中原来絕大部份的花崗岩。本文目的主要在于根据野外与显微鏡下观察,概略地介紹这个地区的上述两种現象的特点。在论及岩体中的蝕变时,并附带地
Deng port is located in Chaling County, eastern Hunan Province, is an elevation of more than 1000 meters of mountains, but also a granite intrusion. There are many tungsten black quartzite veins in the rock mass, producing tungsten, chalcopyrite, stannous and scheelite metal minerals (mainly black tungsten). The granite intrusions are affected by the mineralization associated with gasification 貭 热 and thermal deformation 貭 effect, resulting in the evolution of kerogen-based alteration. Rock solidification after more severe metamorphism, resulting in a variety of fission change 貭 rock. These two types of transitional rocks replace almost all of the granite in the middle of the mine. The main purpose of this paper is to outline briefly the characteristics of the above two phenomena in this area based on field and microscopic observations. When discussing alterations in rock mass, and incidentally