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山东淄博金岭杂岩体分布区深部富铁矿资源潜力及找矿方向
投稿时间:2020-06-19  修订日期:2020-07-07  点此下载全文
引用本文:
DOI:10.19762/j.cnki.dizhixuebao.2021124
摘要点击次数: 74
全文下载次数: 102
作者单位地址
张保涛 中国冶金地质总局山东正元地质勘查院 山东省济南市历下区山师东路14号东办公楼503室
胡兆国 中国冶金地质总局矿产资源研究院
中国冶金地质总局山东正元地质勘查院 
曹其琛 中国冶金地质总局山东正元地质勘查院 
姜晓平 中国冶金地质总局山东正元地质勘查院 
梅贞华 中国冶金地质总局山东正元地质勘查院 
李忠平 中国冶金地质总局山东正元地质勘查院 
杜利明 中国冶金地质总局山东正元地质勘查院 
华北 中国冶金地质总局矿产资源研究院
中国冶金地质总局山东正元地质勘查院 
赵磊 中国冶金地质总局山东正元地质勘查院 
柳森 中国冶金地质总局山东正元地质勘查院 
基金项目:山东省自然资源厅地质调查项目,中国冶金地质总局山东局科研项目
中文摘要:深部找矿是目前研究和勘查的热点领域。金岭杂岩体侵入于古生代灰岩中,是燕山运动晚期的产物,与其有关的铁成矿作用是内生铁成矿典型事件之一,形成了金岭富铁矿集区。矿集区目前已发现铁矿体主要分布在-500m以浅,矿山开采面临资源枯竭的严峻形势,深部找矿亟待突破。区内矿体按赋存介质及空间分布可划分为岩体/地层接触带式、假整合/层间裂隙式、岩体内捕虏体式三种型式。重、磁、电、地综合指示,其深部和外围依然具有优越的矽卡岩型富铁成矿条件,有利找矿空间可延伸至1.3km,资源潜力大。通过可控源音频大地电磁测深、重磁反演技术对深部和外围成矿地质体的反映,优选出了研究区深部和外围的主要有利找矿区,分别建立了金岭杂岩体两侧矽卡岩型富铁矿地质地球物理综合找矿模型,以期为实现研究区深部和外围找矿发现及相似区域的找矿工作提供理论指导。
中文关键词:富铁矿  深部  资源潜力  找矿模型  找矿方向  淄博金岭
 
Iron-rich Ore Exploration Potential and Favorable Areas of Deep Horizon of Jinling Magmatic Complex Distribution Area in Zibo, Shandong Province
Author NameAffiliationAddress
zhangbaotao Geological Exploration Institute of Shandong Zhengyuan, China Metallurgical Geology Bureau 山东省济南市历下区山师东路14号东办公楼503室
Hu Zhaoguo Institute of mineral resources, China Metallurgical Geology BureauGeological Exploration Institute of Shandong Zhengyuan, China Metallurgical Geology Bureau 
Cao Qichen Geological Exploration Institute of Shandong Zhengyuan, China Metallurgical Geology Bureau 
Jiang Xiaoping Geological Exploration Institute of Shandong Zhengyuan, China Metallurgical Geology Bureau 
Mei Zhenhua Geological Exploration Institute of Shandong Zhengyuan, China Metallurgical Geology Bureau 
Li Zhongping Geological Exploration Institute of Shandong Zhengyuan, China Metallurgical Geology Bureau 
Du Liming Geological Exploration Institute of Shandong Zhengyuan, China Metallurgical Geology Bureau 
Hua Bei Institute of mineral resources, China Metallurgical Geology BureauGeological Exploration Institute of Shandong Zhengyuan, China Metallurgical Geology Bureau 
Zhao Lei Institute of mineral resources, China Metallurgical Geology BureauGeological Exploration Institute of Shandong Zhengyuan, China Metallurgical Geology Bureau 
LIU Sen Institute of mineral resources, China Metallurgical Geology BureauGeological Exploration Institute of Shandong Zhengyuan, China Metallurgical Geology Bureau 
Abstract:Abstract At present, deep prospecting have become the research and exploration hotspot. Jinling magmatic complex invading in Paleozoic limestone is one of the typical events of endogenous iron mineralization in the late Yanshan Movement, forming Jinling iron-rich ore concentration area. The iron ore bodies found in the research area distribute mainly above altitude -500 m up to now and mine mining faces a severe situation of resource depletion, breakthrough needed urgently in deep prospecting. According to the occurrence medium and spatial distribution, the ore bodies in the research area can be divided into three types: rock mass/stratum contact zone type, disconformity/ interstratified fissure type and xenolithic type. Based on gravity, magnetism, electrical properties and geology evidences, skarn-type iron-rich metallogenic conditions for the deep and peripheral areas are still favorable and the favorable burial prospecting space with great resource potential can be extended to 1.3 km. According to the deep and peripheral mineralizing geologic bodies characteristics reflected by CSAMT and gravity and magnetic inversion, the deep and peripheral favorable prospecting areas were outlined and the geological and geophysical comprehensive prospecting models were build respectively for the both sides of Jinling magmatic complex which will provide rational guidance for the deep and peripheral prospecting breakthrough and prospecting work in other similar areas.
keywords:Iron-rich ore  Deep  Resource potential  Prospecting model  Favorable areas  Jinling
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