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东昆仑尕牙河东沟铜镍矿床地质特征及找矿前景分析
- 莫延强|王光辉|赵伟|罗长海|马元|张俊海
- 作者单位：
- 青海省地质调查局|四川省核工业地质调查院|青海省地质调查局|青海省地质调查局|青海省地质调查局|青海省地质调查局
基金项目：
- 青海省地质勘查基金科研项目（2017042001ky001）
详细信息：
- 作者简介：
- 莫延强（1990—），男，青海西宁人，工程师，从事矿产勘查与找矿工作；西宁市胜利路22号，青海省地质调查局，810000；E-mail：609055805@qq.com
- 通讯作者：
- isnull
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Geological characteristics and prospecting potentials analysis in Gayahedonggou Copper-Nickel Deposit,East Kunlun
- English Author：
- Qinghai Geological Survey|Sichuan Institute of Nuclear Geology|Qinghai Geological Survey|Qinghai Geological Survey| Qinghai Geological Survey|Qinghai Geological Survey
- Unit：
- 摘要
- 在线预览
- 参考文献
摘要:
尕牙河东沟铜镍矿床位于东昆仑造山带，临近昆中断裂，成矿地质条件优越。矿区内共发现4个镁铁质—超镁铁质岩体，岩体主要岩性为辉橄岩、辉石岩、辉长岩、辉石橄榄岩、橄榄岩、橄榄透闪石岩、斜长岩等。在Ⅰ、Ⅱ、Ⅳ镁铁质—超镁铁质岩体中均发现了铜镍矿体，赋矿岩性主要为橄榄岩、辉石岩，其次为辉长岩。通过分析矿区地质、地球化学和地球物理特征，结合与同一造山带内的典型矿床对比，认为具有寻找岩浆铜镍矿体的有利条件，具有较好的找矿前景。
关键词:
矿床地质特征；镁铁质—超镁铁质岩体；找矿前景；铜镍矿床；尕牙河东沟
Abstract:
Gayahedonggou Copper-Nickel Deposit is located in East Kunlun orogenic belt adjacent to Great Middle Kunlun Fracture and bears favorable ore-forming geological conditions.4 magnesian ferrous-super magnesian ferrous rock mass bodies are found in the district that mainly include peridotite,pyroxenite,gabbro,pyroxene peridotite,peridotite,peridotite tremolite and anorthosite.In magnesian ferrous-super magnesian ferrous rock mass bodies Ⅰ,Ⅱand Ⅳ,copper-nickel ore bodies are found,peridotite and pyroxenite mainly included followed by peridotite.Based on the geological,geochemical and geophysical characteristics analysis,and the comparison between the typical deposits from the same orogenic belt,it is considered that the district has favorable conditions for magmatic copper-nickel ore bodies prospecting and great prospecting potentials.
Keywords:
deposit geological characteristics;magnesian ferrous-super magnesian ferrous rock mass body;prospecting potential;copper-nickel deposit;Gayahedonggou
