| 程细音,祝新友,丁天柱,何鹏,王艳丽.青海赛什塘铜多金属矿床控矿因素研究[J].矿产勘查,2014,5(2):233-241 |
| 青海赛什塘铜多金属矿床控矿因素研究 |
| Ore-controlling factors study of the Saishitang copper-polymetallic deposit, Qinghai Province |
| 投稿时间：2013-11-30 |
| DOI： |
| 中文关键词: 青海 赛什塘 铜多金属矿 控矿因素 |
| 英文关键词: Saishitang copper-polymetallic deposit ore-controlling factors Qinghai Province |
| 基金项目: |
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| 中文摘要: |
| 青海赛什塘铜多金属矿床是产于苦海—兴海蛇绿混杂堆积岩带中的夕卡岩型铜矿床,区域构造活动强烈,成矿条件优越。笔者在全面阐述其矿床地质特征的基础上,着重总结归纳了矿床形成的四大控矿因素——侵入岩、构造、地层以及热液演化机制。赛什塘铜多金属矿的成矿地质体是石英闪长岩及石英闪长斑岩,非史密斯地层及赛什塘背斜控制了矿体的形态与产状,赛什塘成矿热液演化作用过程可以分为3个阶段:夕卡岩阶段、退变质—氧化物阶段、硫化物阶段。 |
| 英文摘要: |
| The Saishitang copper-polymetallic deposit is a skarn type copper deposit which is located in the Kuhai-Xinghai ophiolite melange belt. The intensive regional tectonic activties occur in the deposit area and it shows there are favorable metallogenic conditions. On the basis of describing coomprehensively geological features of the deposit, the authors summarized mainly four major ore-controlling factors, i.e., intrusion rocks, geological structrues, strata and hydrothermal evolution mechanism.The host intrusive rocks of the Saishitang copper-polymetallic deposit are quartz diorite and quartz diorite porphyry, the non-smithian strata and the Saishitang anticline controlled the geometric shape and the occurrence of the ore body, and the metallogenic hydrothermal evolution can be subdivided into three stages as followings:skarn stage, retro-metamorphisms-oxide and sulfide-forming stage. |
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