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J4 ›› 2012, Vol. 20 ›› Issue (1): 61-65.

• 矿产勘查 • 上一篇    下一篇

新疆清水泉铜矿地质特征及成矿期次探讨

赵海滨1,李杰美2   

  1. 1.武警黄金第八支队,新疆  乌鲁木齐   830057;
    2.武警黄金地质研究所,河北  廊坊   065000
  • 收稿日期:2011-05-15 修回日期:2011-08-25 出版日期:2012-02-28 发布日期:2012-05-30
  • 作者简介:赵海滨(1966-),男, 河北曲阳人,高级工程师,从事地质勘查工作.zhaohai665@163.com

Discussion on the Metallogenic Regularity and Mineralization of Qingshuiquan Copper Deposit,Xinjiang Province

ZHAO Haibin1,LI Jiemei2   

  1. 1.No.8 Gold Geological Party of CAPF,Urumqi   830057,Xinjiang,China;
    2.Gold Geological Institute of CAPF,Langfang   065000,Hebei,China
  • Received:2011-05-15 Revised:2011-08-25 Online:2012-02-28 Published:2012-05-30

摘要:

清水泉铜矿床位于新疆东准噶尔地区卡拉麦里成矿带西段,产于铜背景值较高的火山岩—安山岩中。卡拉麦里深断裂呈NWW-EW向自区内北侧穿过,带内岩石均已发生变形、变质,与近EW向次级构造及裂隙构成导矿和容矿空间。岩浆活动经历华力西早、中、晚多期次侵入,超基性岩、黑云母花岗岩、更长花岗岩、霏细斑岩及火山岩广布区内,构成特定岩浆建造与矿床的时空联系及多期次成矿物质的叠加。铜矿(化)体赋存于蚀变安山岩中,与层位、构造和岩浆活动密切相关,并严格就位于次级网脉状构造和裂隙中,矿化与黄铜矿化、黄铁矿化密切相关,并接受后期石英闪长玢岩脉的成矿叠加。细脉发育部位,矿化富集增强。

关键词: 铜矿床, 成矿规律, 控矿因素, 成矿期次, 新疆

Abstract:

Qingshuiquan copper deposit located in Calamaili mineralization belt of East Junggar district in Xinjiang,it produced in volcanic rock and andesite which had higher copper background value.Calamaili deep fault (NWW-EW) cross along the north of the district,rocks in this fault belt had deformed and metamorphosed.EW secondary structure and fracture become passageway and host space of the ore.Magmatic activity experiences multi-periodic intrusion and eruption in early,middle and later Variscan.Ultrabasic rock,biotite granite,felsophyre and continental lava in the district formed specified magmatic formation which related with space-time of deposit, also with superaposition of multi-phase ore-forming mineral.Copper orebody hosted in meta-andesite,it had close relationship with position,structure and magmatic activities,and deposited orderly in secondary net-veined structure and fracture,its mineralization had certain relationship with chalcopyrite and pyrite mineralization,and overprinted succeeding quartz-diorite-porphyrite vein;mineralization enriched in well-developed vein lets.

Key words: Copper deposit, Metallogenic regularity, Ore-controlling factors, Mineralization stages, Xinjiang Province

中图分类号: 

  • P618.41

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