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| 新疆阿希勒金矿床成矿流体特征 | |
| 引用本文： | 卫晓锋,徐九华,阴元军,单立华. 新疆阿希勒金矿床成矿流体特征[J]. 有色金属(矿山部分), 2011, 63(4): 29-35. DOI: 10.3969/j.issn.1671-4172.2011.04.008 |
| 作者姓名： | 卫晓锋 徐九华 阴元军 单立华 |
| 作者单位： | 1. 北京科技大学,北京100083;有色金属矿产地质调查中心,北京100012 2. 北京科技大学,北京,100083 3. 有色金属矿产地质调查中心,北京,100012 |
| 基金项目： | 国家自然科学基金项目(40972066，40672060)、国家科技支撑计划资助项目(新疆305项目2007BAB25B01) |
| 摘 要： | 阿希勒金矿床处于额尔齐斯构造成矿带西北段-玛尔卡库里成矿带.通过流体包裹体研究,认为包裹体类型为富CO2的两相包裹体LH2O - LCO2、水溶液两相包裹体(L-V)、纯H2O的单相包裹体.包裹体均-温度值为97.8～298.7℃,盐度为1.81～14.41wt% NaCl.eq,流体密度为0.59～0.83 g/cm... |
| 关 键 词： | 流体包裹体 构造-流体演化 成矿作用 阿希勒金矿床 |
Characteristics of ore-forming fluid in the Axile gold deposit, Xinjiang |
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| WEI Xiaofeng,XU Jiuhu,YIN Yuanjun and SHAN Lihua. Characteristics of ore-forming fluid in the Axile gold deposit, Xinjiang[J]. , 2011, 63(4): 29-35. DOI: 10.3969/j.issn.1671-4172.2011.04.008 | |
| Authors: | WEI Xiaofeng XU Jiuhu YIN Yuanjun SHAN Lihua |
| Affiliation: | 1.University of Science and Technology Beijing, Beijing 100083, China; 2.China Non-ferrous Metals Resource Geological Survey, Beijing 100012, China;1.University of Science and Technology Beijing, Beijing 100083, China;2.China Non-ferrous Metals Resource Geological Survey, Beijing 100012, China;1.University of Science and Technology Beijing, Beijing 100083, China |
| Abstract: | Axile Gold Deposit is located at the northwest of Erqi structural zone-maerkakul structural zone.Through the study on fluid inclusions,it is confirmed that the types of fluid inclusions in the Axial gold deposit are CO2-rich inclusions(LH2O-LCO2),aqueous inclusions(L-V) and monophase aqueous inclusions.The homogenization temperature is 97.8～298.7℃,with salinity from 1.81 wt% NaCl.eq to 14.41wt%NaCl.eq and density from 0.59 g/cm3 to 0.83 g/cm3,so the fluid characteristics reflect that it is in low-temperature,low salinity and low-density environment.The main compositions include H2O,CO2 and a little of CH4、C2H6、N2.The data of δ18OH20(-0.69‰ to-2.48‰) and δD(-86.88‰ to 97.24‰) suggest that meteoric water involve in the mineralization.The tectonic deformation mechanism from ductile to brittle-ductile to brittle causes fluid unmixing,abnormal temperature,and forms reductive environment.Then the complex stability is reduced and deposited to form gold deposit. |
| Keywords: | fluid inclusion the tectonics and fluid evolution mineralization Axile gold deposit |
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