河南省干热岩赋存地质环境及找矿方向
投稿时间:2020-06-10  修订日期:2020-09-26  点此下载全文
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作者单位E-mail
卢予北 河南省深部探矿工程技术研究中心 13633810500@163.com 
张 晗 河南省深部探矿工程技术研究中心  
王攀科 河南省深部探矿工程技术研究中心  
葛雁 河南省深部探矿工程技术研究中心  
申云飞 河南省深部探矿工程技术研究中心  
基金项目:河南省地勘“河南省干热岩资源潜力调查评价”(编号:20172215);河南省地勘“河南省郑州西部岩溶地热资源调查”(编号:20192247);河南省自然资源厅科技攻关项目“河南省隐伏干热岩资源勘查及评价技术研究”(编号:20201651)
中文摘要:干热岩是战略性清洁能源,属于固体矿产范畴,其赋存条件受控于地质环境影响。在河南省干热岩资源调查项目基础上,结合国内外干热岩成藏特征和钻探成果综合研究分析认为:干热岩热源主要以侵入岩体热传导和地幔热传导(深部隐伏断裂对流热传导)2种模式;其成藏环境必须具备巨大稳定高导热性岩体、巨厚稳定低导热性上覆盖层和深部热源3个基本条件。针对目前干热岩资源找矿理论和钻探存在问题,提出了初步找矿方向和建议,明确了加大钻探技术和工艺研发的重大意义。
中文关键词:干热岩  赋存条件  地质环境  找矿方向
 
Geological Environment and prospecting direction of dry-hot rocks in Henan Province
Abstract:hot dry rock is a strategic clean energy resource, belongs to the category of solid minerals, and its occurrence conditions are controlled by the geological environment. On the basis of the dry hot rock resource survey project in Henan Province, based on the Comprehensive Study of hot dry rockreservoir-forming characteristics and drilling results at home and abroad, it is considered that the heat source of hot dry rockis mainly composed of two modes: The heat transfer of intrusive rock mass and the heat transfer of mantle (convective heat transfer of deep buried faults) ; The reservoir-forming environment must have three basic conditions: huge and stable high thermal conductivity rock mass, thick and stable low thermal conductivity overburden and heat source. In view of the existing problems in the theory and drilling of ore prospecting for dry hot rock resources, the preliminary prospecting direction and suggestions are put forward.
keywords:hot dry rock  occurrence condition  geological environment  Prospecting Direction
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