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| 西秦岭尹家坪金矿地质特征及成因 |
| Geological characteristics and genesis of Yinjiaping gold deposit in western Qinling |
| 投稿时间：2014-07-20 修订日期：2014-07-20 |
| DOI： |
| 中文关键词: 金矿 地质特征 成因 尹家坪 西秦岭 |
| 英文关键词:gold deposit geological characteristics genesis Yinjiaping western Qinling |
| 基金项目:国家自然科学基金(编号：41262001)和甘肃省自然科学基金(编号：1010RJZA020)资助。 |
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| 中文摘要: |
| 尹家坪金矿位于西秦岭褶皱系南秦岭印支褶皱带北缘,矿体赋存于海西-印支期侵入的闪长岩岩体及围岩接触部位,矿区总体发育EW向、NNE向断裂构造,该断裂既是成矿热液运移的通道,同时是金元素富集成矿的场所,岩体为金矿提供了成矿物质和部分热液。本文分析了尹家坪金矿体产出的地质特征及矿床成因,认为尹家坪金矿属中低温热液形成的构造蚀变岩型金矿。 |
| 英文摘要: |
| Yinjiaping gold deposit is located in western Qinling folded system and the northern margin of the southern Qinling indosinian folded belt.Orebodies occurring in diorite invaded the Hercy-Indosinian and the surrounding area of diorite.The NE and NNW faults exist in the mining area.This faults have been the migration channels of metallogenic hydrotherm and the ore-forming place for the concentration of gold elements.Magma provided the gold metallogenic material and part of hydrotherm.According to the geological characteristics of orebodies,Yinjiaping gold deposit belongs to the structural alerted-rock type.And a mineralization analysis showed that it is a medium-low temperature hydrothermal deposit. |
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