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祝德成,张文,王英鹏,田京祥,刘汉栋,侯建华,高华丽.山东省莱州市招贤金矿区矿体特征与找矿前景[J].山东国土资源,2018,34(9):
山东省莱州市招贤金矿区矿体特征与找矿前景
Characteristics of Ore Bodies and Prospecting Potential of Zhaoxian Gold Deposit in Laizhou City of Shandong Province
  
DOI:
中文关键词:  招贤矿区  焦家带  金矿  找矿前景
英文关键词:Zhaoxian mining area  Jiaojia belt  gold deposit  prospecting prospect
基金项目:
作者单位
祝德成 山东省地质调查院 
张文 山东省地质调查院 
王英鹏 山东省地质调查院 
田京祥 山东省地质科学研究院 
刘汉栋 山东省地质调查院 
侯建华 山东省地质调查院 
高华丽 山东省地质调查院 
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中文摘要:
      近年来,焦家金成矿带深部找矿取得重大突破。山东省地质调查院在莱州招贤地区,对焦家带深部(赋存标高1260m~2170m)开展找矿工作,圈定金矿体27个。矿体受焦家断裂的破碎蚀变岩带控制,主要赋存于黄铁绢英岩化碎裂岩及花岗质碎裂岩带内,其中规模达第Ⅰ勘查类型的矿体3个。提交金矿(333+334?)金金属量105t,另有低品位金金属量近50t。该文对焦家带深部金矿体矿体特征、赋存情况等进行研究,发现矿区内主矿体向深部尚未封闭,尤其是72~88线、288~320线,矿体向深部有厚度变大,品位增高的趋势,且在320线深部矿体中发现了自然金,显示了焦家成矿带深部具有良好的找矿远景,为打造胶东深部找矿示范区提供重要参考。
英文摘要:
      In recent years, significant breakthroughs of deep prospecting in Jiaojia gold metallogenic belt has been made. Geological survey has been carried out in the deep part of Jiaojia belt (-1260m~-2170m) by Shandong Geological Surveying Institute in Zhaoxian area in Laizhou city of Shandong province. 27 gold bodies have been delineated. The ore bodies are controlled by the fractured and altered rock zone of Jiaojia fault, which mainly occurs in the Yellowish sericite rock fractured rock. The scale of 3 ore bodies can reach Ⅰexploration type. Submitting gold metal volume (333+334?) is 105t, and the volume with low grade gold metal is nearly 50t. In this paper, the characteristics and occurrence of the deep gold ore body in Jiaojia belt have been studied, and some suggestions of key areas in the deep prospecting of the gold deposit in this area has been put forward. It will provide an important reference for building the deep prospecting demonstration area in Jiaodong region.
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