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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:

第28卷

期数:

2006年第01期

页码:

24-27

栏目:

出版日期:

2006-03-15

文章信息/Info

Title:

Storage and Moving of Ore-forming Fluid of Dingjiashan-Gulushan Gold Deposit

作者:

刘新会¹; 刘爽¹; 李渊¹; 魏宽义²

1.武警黄金部队第五支队,陕西西安710100;2.长安大学地球科学与国土资源学院,陕西西安710054

Author(s):

LIU Xin-hui¹; LIU Shuang ¹; LI Yuan¹; WEI Kuan-yi²

1. 5th Gold Geological Detachment, CAPF, Xin’ an 710100, Shaanxi, China; 2. School o f Earth Sciences and Resources Management, Chang’ an University, Xi’an 710054, Shaanxi, China

关键词:

金矿床; 成矿流体; 容矿层; 构造变形; 找矿方向; 镇安; 陕西省

Keywords:

gold deposit;  ore-forming fluid;  containing ledge;  fracturing deformation;  prospecting direction;  Zhen’an;  Shaanxi Province

分类号:

P618.510.1

DOI:

-

文献标志码:

A

摘要:

丁家山古楼山金矿区含金矿源层为上泥盆统南羊山组和下石炭统袁家沟组。组成含金矿源层岩石为 高频互层的细碎屑岩碳酸盐岩,其中细砂岩、粉砂岩、碳酸盐岩含成矿流体物性较好,页岩、板岩含成矿流体物 性较差。在成矿过程中,构造变形与成矿流体的形成、运移及储集密切相关。其规律为:原生构造导致成矿流体 的初次聚集;第一期构造变形导致成矿流体的聚集;第二期构造变形导致成矿流体运移及金矿床形成,该期变形 是金的主要成矿期;第三期构造变形使成矿流体进一步聚集和金矿体的富集;第四期构造变形是石英方解石脉 的形成时期。

Abstract:

The upper Devonian Nanyangshan Formation and lower Carboniferous Yuanjiagou Formation layers are the source rocks of the Jinlongshan-Qiuling gold mine. The source rocks are frequent interbedding of fine-grained clastic rocks and carbonate rocks. Fine-grained sandstones, siltstones and carbonate rocks are better than shales and slates in the sense of physical nature for ore-forming fluid. In the metallogenic course, fracturing deformations closely correspond to the formation, storage and moving of the ore-forming fluid. The process is:① primary structures result in the first collection of the ore-forming fluid;② the first fracturing deformation results in the collection of the ore-forming fluid; ③ the second fracturing deformation results in the moving and gold deposition of the ore-forming fluid;④ the third frac- turing deformation results in the further collection of the ore-forming fluid and the enrichment of the gold deposits;⑤ the fourth fracturing deformation corresponds to the quartz-calciate vein.

参考文献/References:

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备注/Memo

备注/Memo:

[收稿日期]2005-04-01
[基金项目]国家经济贸易委员会项目(陕西镇安金龙山矿区及外围岩金普查(2001～2004))
[作者简介]刘新会(1964-),男,陕西澄城人,工程师,从事金矿地质研究。

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更新日期/Last Update: 2006-03-20