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大小:1.53 MB
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时间:2020-03-25
《方城县二郎庙乡Mo、W多金属异常综合评价及找矿预测.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第5期矿产保护与利用No.52015年10月CONSERVATIONANDUTILIZATIONOFMINERALRESOURCES0ct.2015方城县一一白la庙乡Mo、W多金属异常综合评价及找矿预测申开洪,刘亚南,任利平。,刘文斌。(1.河南省地质科学研究所,郑州450001i2.河南省地矿局第四地质勘查院,郑州4500013.河南省地质调查院,郑州450001)摘要:二郎庙钼多金属异常区位于华北陆块南缘的陡垛庄一李仙桥花岗岩带上,为栾川成矿带的东延部分,异常区元素规模大、含量高,异常套合性较好,强度高,对该异常
2、重点开展1:1万地质简测和探槽工程揭露等,在异常区内新发现了7条钼矿化体(带),证明了该异常良好的找矿远景。从异常区区域成矿构造背景、李仙桥花岗岩体、物化探等方面探讨了二郎庙异常区的成矿条件,认为该异常区成矿地质条件十分优越,找矿前景巨大,建议在已取得的地质成果基础上,进一步对二郎庙钼、钨多金属异常区进行全面深入的研究,加大对异常区外围及深部的找矿投入,有望找出品位较高、规模较大、具有较大经济价值的钼矿床。关键词:二郎庙钼异常区;李仙桥花岗岩;栾川断裂带;异常评价;找矿预测中图分类号:P612文献标识码:B文章编号:1
3、001~0076(2015)05—0018—07DOI:10.13779/j.cnki.issnlO01—0076.2015.05.004ComprehensiveEvaluationandProspectingForecastforAbnormalMo,WofErlangmiaoVillageSHENKaihonglLlUYanan2RENLiping3uUWenbin3..(1_HenanProvinceGeologyScientificResearchInstitute,Zhengzhou450001,China
4、;2.TheFourthGe.ologicalExplorationInstituteofHenanGeologyandMineralBureau,Zhengzhou450001,China;3.Henangeologicalsurvey,Zhengzhou450001,China)Abstract:ThediscoveryofErlangmiaomolybdenummineralizationobicotsisbasedonthegeo—chemicalprospectinganomaly.Erlangmiaomol
5、ybdenum,tungstenpolymetallicanomalyarealiesontheDouduozhuang—LixianqiaogranitebeltoftheSOUthernmarginofNorthChinablock.whichbe—longstotheextensionoftheeastLuanchuanfaultzone.1:50000gaugeofwaterwayssedimentsuggeststhattheelementismuchbiggerandhigherintheanomalyar
6、ea.Themeasuredsoilprofileshowsthatthereisagoodandimmenselystrongmatchingintheanomaly.1:10000simplifiedge·ologicalmapping,minesurveyandtrenchprojectintheanomalyhavefoundsevennewmolybde—Bummineralizationobjects,whichmeansagoodprospectingpotentia1.Frommetallogenict
7、ectonicbackgroundinthisanomalyarea,Lixianqiaogranitetectonic,aswellasgeophysicalandgeochemi-calexploration,theseconditionsofErlangmiaoanomalyareaarediscussedinthepaper.There-suhsindicatethattheore—forminggeologicalconditionsoftheabnorma1areaareverysuperiore—.nor
8、mousprospectingpotentia1.Basedontheobtainedgeologicalachievements,wesuggestthatfur—thercomprehensivestudiesforErlangmiaomolybdenum,tungstenpolymetallicanomalyareashou
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