| 广东茶洞银多金属矿床地质特征和成因探讨 |
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| 引用本文： | 唐文恒,刘昌明,陈凯. 广东茶洞银多金属矿床地质特征和成因探讨[J]. 黄金科学技术, 2014, 22(6): 26-32. DOI: 10.11872/j.issn.1005-2518.2014.06.026 |
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| 作者姓名： | 唐文恒 刘昌明 陈凯 |
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| 作者单位： | 武警黄金第九支队，海南 海口 571127 |
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| 摘 要： | 通过野外地质调查、镜下鉴定及对矿床以往资料的综合研究，对茶洞银多金属矿床地质特征、矿石组构、矿物成分、成矿期及成矿阶段进行分析总结，并对矿床成矿作用过程进行了初步探讨。结果表明：矿床矿石具浸染状、脉状、网脉状及块状构造，结构以自形-半自形粒状、不规则粒状和交代为主。矿石成分以氧化物和硫化合物为主，矿物组合主要为银（金）-铅锌系列，以硫化物为主，代表矿物有黄铁矿、毒砂、方铅矿及银矿物等。矿物组合表现为中低温矿物组合特征，成矿温度以中低温为主。矿床成矿过程具有多期、多阶段特点，其中气水热液成矿期为主成矿期，可进一步划分为石英-硫化物阶段和碳酸岩-铅锌硫化物阶段，茶洞银金矿床是在地层、构造及岩浆岩等因素共同作用下形成的中低温热液型矿床。
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| 关 键 词： | 银多金属矿床 地质特征 成矿过程 茶洞银矿 广东省 |
| 收稿时间： | 2014-06-23 |
| 修稿时间： | 2014-08-12 |
Research on the Minerogenetic Geological Characters and Genesis of the Chadong Silver Polymetallic Deposit in Guangdong Province |
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| TANG Wenheng,LIU Changming,CHEN Kai. Research on the Minerogenetic Geological Characters and Genesis of the Chadong Silver Polymetallic Deposit in Guangdong Province[J]. Gold Science and Technololgy, 2014, 22(6): 26-32. DOI: 10.11872/j.issn.1005-2518.2014.06.026 |
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| Authors: | TANG Wenheng LIU Changming CHEN Kai |
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| Affiliation: | No.9 Gold Geological Party of CAPF，Haikou 571127，Hainan，China |
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| Abstract: | Through field geological survey,the microscopic identification and the comprehensive study of ore deposits with previous materials,the Chadong silver polymetallic ore deposit geological characteristics,ore fabric,mineral composition,metallogenic period and phase analysis were summarized,and the metallogenic process was discussed preliminarily.The results demonstrated that the ore deposit was mainly with disseminated ore,vein,net vein and block structure,moreover,the structure was primarily composed with idiomorphichypidiomorphic granular,irregular granular as well as metasomatic structure.Mineral composition was given priority to oxide and sulfur compounds,meanwhile,mineral assemblage was with silver （gold）-lead and zinc series,and primarily with sulfide.Additionally,on behalf of the minerals were pyrite,arsenopyrite,galena and silver minerals,etc. In mineral assemblage was characterized by low temperature mineral assemblage characteristics,and metallogenic temperature mainly in low temperature.Overall,metallogenic process has the characteristics of period and stage,including gas-water hydrothermal mineralization period as the main metallogenic period,which can be further divided into quartz-sulfide stage and carbonate rock-lead and zinc sulfide phase.The Chadong silver gold deposit was low temperature type deposit that formed under the action of a fluid medium,such as strata as well as structure,and magmatic rocks. |
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| Keywords: | silver polymetallic deposit geological characteristics ore-forming process Chadong silver mine Guangdong Province |
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