摘要
绥宁地区脉石英资源丰富,主要含矿地层为南华系,脉石英矿体主要赋存于褶皱构造倾伏端配套的断裂构造体系中。脉石英矿石主要呈乳白色,粒状变晶结构,砂糖状—块状构造。石英粒径0.01~3.0mm,化学组分SiO298.54%~99.49%,Al2O30.12%~0.44%,Fe2O30.12%~0.38%。石英流体包裹体相态以气液相为主,包裹体成分主要为H2O、N2、SO2,个别含少量CO2和CH4,均一温度在255~360℃。根据矿床地质特征、控矿地质条件,以及流体包裹体等测试数据综合分析,认为该地区脉石英矿床应为中高温热液型矿床。
The vein quartz resources in Suining area are abundant.The ore-bearing strata are mainly Nanhua sandy slate,the vein quartz orebodies are mainly located in the fault structural system derived from the fold structure.The ore body ore is mainly milky white,granular crystalline structure,sugar-like or massive structure.The mineral composition of the ore is mainly quartz ranging from 0.01 mm to 3.0mm of particle size.The chemical components SiO2/Al2O3/Fe2O3 are separately 98.54%to 99.49%,0.12%to 0.44%,0.12 to 0.38%.The quartz fluid inclusion are mainly composed of gas and liquid,the components of inclusions are mainly H2O,N2,SO2,and some contain little CO2 and CH4,the homogeneous mineralization temperature is between 255℃and 360℃.According to the comprehensive analysis of geological characteristics of the deposit,conditions of ore-controlling geology,and the data of fluid inclusions,it is believed that the genesis of deposit in this area should be a medium-high temperature hydrothermal deposit.
作者
周冬冬
庄石云
莫勇
ZHOU Dong-dong;ZHUANG Shi-yun;MO Yong(Hunan Branch of China National Geological Exploration Center of Building Materials Industry,Zhuzhou 412011,China)
出处
《中国非金属矿工业导刊》
2020年第2期42-45,共4页
China Non-Metallic Minerals industry
关键词
湘西南
绥宁地区
脉石英
矿石特征
矿床成因
southwest Hunan
Suining area
vein quartz
ore characteristics
genesis of deposit
