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黄金科学技术 ›› 2017, Vol. 25 ›› Issue (3): 61-69.doi: 10.11872/j.issn.1005-2518.2017.03.061

• 专题报道 • 上一篇    下一篇

胶莱盆地东北缘辽上式金矿构造控矿特征及找矿方向

王志新1,焦秀美2,丁正江1,3*,刘晓敏1,李国华 1,纪旭波4,唐俊智4   

  1. 1.山东省第三地质矿产勘查院,山东  烟台   264000;
    2.山东省地质矿产勘查开发局,山东  济南   250013;
    3.中国地质大学(北京),北京  100083;
    4.山东恒邦冶炼股份有限公司,山东  烟台   264100
  • 收稿日期:2017-03-20 修回日期:2017-05-10 出版日期:2017-06-30 发布日期:2017-09-11
  • 通讯作者: 丁正江(1977-),男,安徽蒙城人,研究员,从事矿物学、岩石学与矿床学研究工作。ytdzhj@126.com
  • 作者简介:王志新(1986-),男,辽宁盖州人,工程师,从事矿产勘查及区域成矿研究工作。wzx61050304@126.com
  • 基金资助:

    山东省泰山学者建设工程专项经费“胶东型金矿的构造岩浆背景和深部找矿关键技术”(编号:ts201511076)、山东省自然科学基金项目“胶东中生代盆地边缘成矿系统金及多金属成矿作用研究”(编号:ZR2016DM01)、山东省财政项目“山东省胶莱盆地东北缘地区金及多金属矿成矿规律及找矿潜力研究”(编号:鲁勘字(2015)17号)、山东省地质矿产勘查开发局科技攻关项目“胶莱盆地东北缘过程—崖子断裂金矿成矿规律及找矿预测”(编号:KY201203)、“胶东东部金矿空间分布及类型研究”(编号:KY201501)和“胶东辽上特大型金矿矿床成因及成矿年代学研究”(编号:KY201603)联合资助

Feature of Ore-controlling Structure and Prospecting Direction for the Liaoshang-type Gold Deposit in the Northeast Margin of Jiaolai Basin,Shandong Province

WANG Zhixin1,JIAO Xiumei2,DING Zhengjiang 1,3,LIU Xiaomin 1,LI Guohua 1,JI Xubo 4,TANG Junzhi 4   

  1. 1.3th Geology & Mineral Resources Survey Institute,Shandong,Yantai    264000,Shandong,China;
    2.Shandong Provincial Bureau of Geology & Mineral Resources,Jinan    250013,Shandong,China;
    3.China University of Geosciences(Beijing),Beijing    100083,China;
    4.Shandong Humon Smelting Co.,Ltd.,Yantai    264100,Shandong,China
  • Received:2017-03-20 Revised:2017-05-10 Online:2017-06-30 Published:2017-09-11

摘要:

“辽上式”金矿是在辽上矿区深部勘查成果的基础上发现的一种以含黄铁矿碳酸盐脉为金矿物载体的新类型金矿,该矿床是目前胶莱盆地东北缘成矿区内首例特大型金矿。通过对辽上特大型金矿床地质特征、控矿构造特征和矿化富集规律等进行分析研究,认为矿床赋存于古元古代荆山群变质岩与侏罗纪玲珑型花岗岩接触带附近;矿体受断裂及层间滑动构造控制,主矿体沿控矿断裂由浅部至深部表现为分段富集、尖灭再现规律,构成阶梯式成矿模式;赋矿构造属沿荆山群与中生代花岗岩体之间及变质基底与中生代盖层之间发育的拆离断层系统,为大规模成矿提供了广阔空间。在此基础上,明确了胶莱盆地东北缘地区内同类型金矿的找矿方向,为该区下一步勘查工作提供了指导。

关键词: 胶莱盆地, 辽上式金矿, 阶梯式成矿, 拆离断层, 找矿方向, 山东省

Abstract:

The Liaoshang type,pyrite-bearing carbonate vein as the gold carrier,is a new type gold deposit summed up from deep exploration achievement.The deposit is the first large gold deposit in the northeastern margin of Jiaolai Basin.This article analyze the geological characteristics,ore controlling structure and mineralization regularity of the Liaoshang large gold deposit.The results show that the ore-bearing structure is detachment fault system developed between Jingshan group and Mesozoic granite,as well as metamorphosed basement and Mesozoic cover,and provided wide space for large scale metallogenisis.On this basis,the prospecting direction of the same type gold deposits in the northeastern margin of Jiaolai Basin is defined,which provides guidance for the further exploration in this area.

Key words: Jiaolai Basin, Liaoshang type gold deposit, stepwise metallogenic, detachment fault, prospecting direction, Shandong Province

中图分类号: 

  • P618.51 

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