辽宁省猫岭金矿地质特征及成矿模式

现代矿业 ›› 2014, Vol. 30 ›› Issue (02): 37-43.

辽宁省猫岭金矿地质特征及成矿模式

杨宏智^1,2，陈鸿鹏³，刘长纯⁴，吕骏超²，毕中伟²，胥嘉²，张森²，赵岩²

1.吉林大学地球科学学院；2.国土资源部沈阳地质矿产研究所；3.武警黄金第三支队；4.辽宁省地质矿产调查院

出版日期:2014-02-15 发布日期:2014-04-28

Analysis on the Metallogenic Model and Geological Features of Maoling Gold Deposit in Liaoning Province

Yang Hongzhi^1,2，Chen Hongpeng³，Liu Changchun⁴，Lv Junchao² ，Bi Zhongwei²，Xu Jia²，Zhang Sen²，Zhao Yan²

1.College of Earth Science,Jilin University；2.Shenyang Institute of Geology and Mineral Resources,Ministry of Land and Resources；3.Third Gold Geological Party of CAPF；4.Liaoning Survey Academy of Geology and Mineral Resources

Online:2014-02-15 Published:2014-04-28

摘要/Abstract

摘要： 猫岭金矿发现于20个世纪80年代，是辽吉裂谷内一处特大型金矿，具有多阶段性、低品位、储量大等特点。矿区内出露的地层主要为古元古代辽河群盖县组且为容矿围岩，中生代卧龙泉和猫岭岩体是矿区出露的主要岩体，二者具有相似性，卧龙泉岩体与成矿关系密切，区内构造可划分为吕梁期韧-塑性构造和中生代以来的脆性断裂。猫岭金矿可划分出3个成矿带，其中以9#矿体所在的Ⅰ#成矿带最为发育、成矿条件最好、探明资源量最大。通过对S、Pb、H-O、C-O、矿石原生流体包裹体进行分析，确定了含矿热液为CO2+NaCl+H2O型，具有低盐度、低矿化度、显酸性呈还原性的特点，成矿温度为153~391 ℃，成矿年龄小于192 Ma。最终确定猫岭金矿为变质高温细脉浸染热液型金矿，并总结了成矿模式。

关键词: 地质特征, 地球化学特征, 含矿热液, 成矿模式

Abstract: Maoling gold deposit is discovered in 1980s,it is the oversize gold deposit in the rift valley of Liaoning and Jinning province,and the characteristics of the gold deposit is multi-stage,low grade and large reserves.The stratum of the gold deposit is belongs to Gaixian group of Paleoproterozoic liaohe group,besides that,the stratum of the gold deposit is the ore rock.The Mesozoic Wolongquan orebody and Maoling orebody are the main orebody in the mine area,and they are similar with each other.Wolongquan orebody has the close relationship with ore-forming.The mining structure is divided into Lvliang toughness-plastic structure and brittle fracture structure since the Mesozoic era.Maoling gold deposit can be divided into three metallogenic belts,Development of the first metallogenic belt that the No.9 orebody is located is best and the reserves of the first metallogenic belt is largest of all the metallogenic belts.Type of the ore-bearing hydrothermal is CO2+NaCl+H2O , and the chracteristics of the ore-bearing hydrothermal are low salinty,low degree of mineralization and acidity are analyzed by the analysis on S,Pb,H-O,C-O and ore primary fluid inclusions.According to the analysis results,the temperature of the ore-beraing hydrothemal is determined to 153~391 ℃,the ore-forming age is less than 192 Ma.Maoling gold deposit is regarded as the metamorphic tempreature veinlet disseminated type hydrothermal gold deposit,and the metallogenic model of it is summarized. Geological characteristics|Geochemical characteristics|Ore-bearing hydrothermal| Metallogenic model

Key words: Geological characteristics, Geochemical characteristics, Ore-bearing hydrothermal, Metallogenic model

杨宏智, 陈鸿鹏, 刘长纯, 吕骏超, 毕中伟, 胥嘉, 张森, 赵岩. 辽宁省猫岭金矿地质特征及成矿模式[J]. 现代矿业, 2014, 30(02): 37-43.

YANG Hong-Zhi, CHEN Hong-Peng, LIU Chang-Chun, LV Jun-Chao , BI Zhong-Wei, XU Jia, ZHANG Sen, ZHAO Yan. Analysis on the Metallogenic Model and Geological Features of Maoling Gold Deposit in Liaoning Province[J]. Modern Mining, 2014, 30(02): 37-43.

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