广西大明山地区钨矿床地质特征和找矿方向  

Geological characteristics and prospecting direction of Tungsten deposit in Damingshan region of Guangxi province

作　　者：张启连 徐文杰[2] 

机构地区：[1]广西地质勘查总院,广西南宁530023 [2]桂林矿产地质研究院,广西桂林541004

出　　处：《矿产与地质》2010年第2期141-144,共4页Mineral Resources and Geology

摘　　要：广西大明山地区钨矿类型主要有层控型、网脉浸染型、斑岩型及石英大脉型,层控型受泥盆系和寒武系地层控制,网脉浸染型受NW和NE向两组断裂构造控制,斑岩型赋存于燕山晚期白云母花岗斑岩中,石英大脉型则受各向裂隙控制,钨具有继承性的富集的特点,断裂活动是钨矿形成的重要条件,文章总结了该区各个类型钨矿的地质特征,并对成矿条件进行了分析,指出钨矿的找矿方向。Tungsten deposits in Damingshan region of Guangxi province are classified to stratum type,net-vein and disseminated type,porphyry type and quartz-vein type. The stratum type is controlled by Devonian and Cambrian rock layers. The net-vein and disseminated type is controlled by NW and NE faults. The porphyry type is located in muscovite grano-porphyry body of later Yanshan period. The quartz-vein type is controlled by fractures of different directions. For tungsten is rich inheritedly,fault activity is the important condition to control tungsten deposit. This paper summarizes basic geological characteristics of tungsten deposits. It also analyzes the mineralization condition of tungsten deposit and points out the prospecting direction in the region.

关 键 词：钨矿床 地质特征 找矿方向 大明山 广西 

分 类 号：P618.67[天文地球—矿床学]