| 赵磊,杨忠琴,贺永忠,安亚运,盘应娟,何犇,易成兴.贵州省务川-沿河地区萤石矿床流体包裹体特征[J].贵州地质,2015,32(3):196-202 |
| 贵州省务川-沿河地区萤石矿床流体包裹体特征 |
| Fluid Inclusion Characteristics of Fluorite Deposit in Wuchuan-Yanhe Area of Guizhou |
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| DOI： |
| 中文关键词: 务川-沿河地区 萤石矿 流体包裹体 热液矿床 |
| 英文关键词:Wuchuan-Yanhe area Fluorite deposit Liquid inclusion Geothermal deposit |
| 基金项目:贵州省国土资源厅组织实施《贵州省矿产资源整装勘查找矿战略选区项目》中的一个子项目,贵州省地质调查院《贵州省务川-沿河萤石（铅锌）找矿战略选区项目》黔国土规划院发[2014]4号 |
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| 中文摘要: |
| 务川—沿河地区萤石矿床萤石矿物中气液两相包裹体分为原生和次生两类。其中原生包裹体呈弥散状分布，呈四边形、圆形、椭圆形、三角形、长条形、扁圆形、月牙形、不规则形等多种形态；次生包裹体呈线状分布，呈菱形、六边形、正方形、圆形、椭圆形、四边形、三角形、长条形、扁圆形等，包裹体大小为412 μm，以57 μm为主；气液比为4%15%，一般为5%。13件薄片中获得包裹体均一温度数据共191个。其中原生包裹体均一温度数据为86℃307℃，主要集中在100140℃；次生包裹体均一温度为101℃330℃，多数为120230℃。综合研究认为研究区内萤石矿主要形成于中低温环境，属中低温热液矿床。 |
| 英文摘要: |
| In fluorite deposit of Wuchuan-Yanhe area, the gas-liquid two-phase inclusion of fluorite is original and secondary. The original inclusion distributed dispersely and had many shapes: tetragonum, circle, oval, triangle, elongated, pblateness, crescent and irregular shape, the secondary inclusion distributed linearly and rhombus, bexagon, square, circle, oval, tetragonum, triangle, elongated, pblateness and other shapes. The inclusion size is 4 to 12μm, mainly is 5 to 7μm. The gas liquid ratio is 4% to 15%, normally is 5%. 191 homogeneous temperature data of inclusion are acquired in 13 thin sections. The homogeneous temperature of original inclusion is 86℃ to 307℃, mainly is 100℃ to 140℃. The homogeneous temperature of secondary inclusion is 101℃ to 330℃, mainly is 120℃ to 230℃. The research shows the fluorite in this formed in middle-low temperature environment, it’s middle-low temperature geothermal deposit. |
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