| 甘肃崖湾金矿床地质矿化特征 |
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| 引用本文： | 陈健,王晓明,周勇. 甘肃崖湾金矿床地质矿化特征[J]. 甘肃地质, 2009, 0(2): 19-25 |
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| 作者姓名： | 陈健 王晓明 周勇 |
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| 作者单位： | 甘肃省核地质219大队;核工业216大队; |
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| 摘 要： | 崖湾金矿床位于秦岭褶皱系礼县—柞水冒地槽褶皱带西段的中部,秦岭EW向构造带与天水—武都隐伏基底深断裂的交汇复合部位,定位于中川花岗岩体东外接触带与高桥—礼县大断裂的夹持区,严格受次级断裂构造控制,矿体集中产于中石炭统和中泥盆统两套地层不整合接触的断裂构造及附近的断裂构造,金成矿与原始浊流沉积环境有关,泥质岩石对成矿有利,与沿构造充填的花岗斑岩脉紧密相伴,矿石属中等硫化物微细粒浸染型金矿石,金矿化与含硫化物石英脉、硫化物硅质脉、黄铁矿化、毒砂化、硅化、退色蚀变等热液脉体活动和围岩蚀变关系密切。
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| 关 键 词： | 地质矿化特征 金矿床 崖湾 |
GEOLOGICAL AND METALLOGENETIC FEATURES OF AIWANGOLD DEPOSIT IN GANSU PROVINCE |
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| CHEN Jian,WANG Xiao-ming and ZHOU Ming. GEOLOGICAL AND METALLOGENETIC FEATURES OF AIWANGOLD DEPOSIT IN GANSU PROVINCE[J]. Acta Geologica Gansu, 2009, 0(2): 19-25 |
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| Authors: | CHEN Jian WANG Xiao-ming ZHOU Ming |
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| Affiliation: | 1.No.219 Team;Gansu Provincial Bureau of Nuclear Geology;Tianshui 741025;China;2.No.216 Brigade of China Nuclear Industry Ministry;Urumqi 830011;China |
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| Abstract: | Aiwan gold deposit is located in the middle part of west section of Lixian-Zuoshui miogeanticlinal fold zone within the Qinling fold system,and it is also in the intersection part of EW-direction Qinglin structural belt and deep fault of Tianshui-Wudu hidden basement,belonged to the connection area between exocontact of Zhongchuan granite body and Gaoqiao-Lixian great fault which is controlled strictly by second faults.The deposit exist the faulted structures where the discordant contact between Middle Carb... |
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| Keywords: | geological and metallogenetic features gold deposit Aiwan |
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