| 杨彪,侯万荣,刘智杰,徐大兴,柳长峰.内蒙古中西部晶质石墨矿床地质特征及找矿远景[J].矿产勘查,2021,12(6):1355-1365 |
| 内蒙古中西部晶质石墨矿床地质特征及找矿远景 |
| Geological characteristics and prospecting prospect of the crystalline graphite deposits in central-western Inner Mongolia |
| 投稿时间：2020-08-19 |
| DOI： |
| 中文关键词: 石墨矿床 矿床地质特征 时空分布 找矿远景 内蒙古中西部 |
| 英文关键词: graphite deposit geological characteristics of deposits spatial and temporal distribution prospecting prospect central and western Inner Mongolia |
| 基金项目:本文受中国地质调查局地质调查项目(DD20191017)资助。 |
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| 中文摘要: |
| 内蒙古中西部地区成矿地质环境优越。本文将内蒙古中西部晶质石墨矿床主要划分为“结晶基底型”和“活动带型”两类，对其中典型矿床的成矿环境、地质特征、时空分布、矿床规模及矿床成因类型进行了总结。结合区域地质演化特征及石墨成矿特点，认为该区石墨矿的成矿作用主要与相对稳定合适的沉积环境与古气候条件、丰富的有机质来源和之后大规模的区域变质作用密切相关。文章最后指出，在内蒙古中西部晶质石墨矿的找矿工作今后需关注3个重点方向:太古宇—古元古界深变质岩区地层、狼山- 白云鄂博裂谷系浅变质岩地层及鄂尔多斯凹陷北缘石炭系煤系地层。 |
| 英文摘要: |
| In this paper, the crystalline graphite deposits in the central and western part of Inner Mongolia are mainly divided into “crystalline basement type” and “active zone type”. The metallogenic environment, geological characteristics, temporal and spatial distribution, deposit scale and genetic type of typical deposits are briefly summarized. Based on the regional geological evolution and the characteristics of graphite mineralization, it is discussed that the metallogenesis of graphite deposits in this area is closely related to relatively stable sedimentary environment, warm and humid climatic characteristics, abundant organic matter sources and subsequent large-scale regional metamorphism. Finally, it is pointed out that the next step in the prospecting of crystalline graphite deposits in central and Western Inner Mongolia has better focus on three directions: Archean- Paleoproterozoic deep metamorphic rock strata, Langshan-Baiyun Obo rift shallow metamorphic rock strata and Carboniferous coal measures strata in the northern margin of Ordos sag. |
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