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鲁西归来庄金矿田成矿系列及成矿作用研究
投稿时间:2008-07-12  修订日期:2008-09-03  点此下载全文
引用本文:于学峰,方宝明,韩作振.2009.鲁西归来庄金矿田成矿系列及成矿作用研究[J].地质学报,83(1):55-64.
YU Xuefeng,FANG Baoming,HAN Zuozhen.2009.Study on Ore forming Series and Mineralization of the Guilaizhuang Gold Field in Western Shandong[J].Acta Geologica Sinica,83(1):55-64.
DOI:
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作者单位
于学峰 山东科技大学山东青岛266510山东省国土资源厅济南250014 
方宝明 山东省国土资源厅济南250014 
韩作振 山东科技大学山东青岛266510 
基金项目:本文为山东省矿产资源补偿费项目“鲁西地区金矿GIS预测评价”、“山东平邑铜石地区金矿成矿预测”等资助的成果。
中文摘要:归来庄金矿田内金矿化类型较多,主要由隐爆角砾岩型、镁质碳酸盐岩微细浸染型、含铁矽卡岩上叠加型、斑岩型和破碎带蚀变岩型等多种类型的矿床(点)组成。在成因上均与铜石富钾碱性潜火山杂岩关系密切,岩浆活动为成矿提供了热液和热源。杂岩体构成的潜火山穹隆及伴生的环状放射状构造,控制着矿体的分布。新太古代泰山岩群为主要矿源层;寒武纪朱砂洞组上灰岩段之碳酸盐岩是磨坊沟金矿的有利含矿层位;寒武系上部—奥陶系下部的白云质灰岩、白云岩等是归来庄金矿的有利围岩。矿田内与中生代燕山早期中偏碱性潜火山杂岩有关的金(铜、铁)成矿亚系列多种类型金矿化相伴产出,受潜火山穹隆的控制,它们生成于不同深度不同地质构造部位,赋存于不同的地质体中,是在铜石潜火山中低温热液成矿系统中生成的金矿类型组合。每一矿床都是统一的成矿模式中的一个个体,它们构成了一个较完整的成矿亚系列。
中文关键词:隐爆角砾岩  镁质碳酸盐岩  成矿系列  成矿作用  归来庄金矿田  鲁西
 
Study on Ore forming Series and Mineralization of the Guilaizhuang Gold Field in Western Shandong
Author NameAffiliation
YU Xuefeng Shandong University of Science and Technology, Qingdao, 266510
Shandong Department of Land and Resources, Jinan, 250014 
FANG Baoming Shandong Department of Land and Resources, Jinan, 250014 
HAN Zuozhen Shandong University of Science and Technology, Qingdao, 266510
 
Abstract:Gold mineralization type in the Guilaizhuang gold field are mainly composed of crypto explosive breccia rock type, magnesium carbonate micro disseminated type, skarn stacking type, porphyry and altered rock type and other types gold deposits (prospect). Its genesis is closely relted to copper and potassium alkaline submarine volcano complex, and magmatic activities provided hydrotherm and heat for gold mineralization. Subvolcanic dome consisting of complex and associated circular radial structures controls the distribution of gold ore bodis. Neo Archean Taishan Group is the main ore source bed; carbonate rock in the upper part of limestone member in the Cambrian Zhushadong Formation is favorable ore bearing strata; dolomitic limestone and dolomite in upper Cambrian or lower Ordovician are favorable country rocks of the Guilaizhuang gold deposit. Gold(copper, iron) mineralization sub series related to meta alkalescence subvolcanic complex in the early Mesozoic Yanshanian also occurred in this area. Controlled by the subvolcanic dome, the orebodies occur in different geological bodies at various geological sections with various depths. It is a typical of gold deposit association resulted from the Tongshi subvolcanic medium low temperature hydthermal metallogenic system. With each deposit as an independent unit in the united metallogenic model, they constitute a relatively complete metallogenic sub series.
keywords:crypto explosive breccia rock  magnesium carbonate rock  ore forming series  mineralization  Guilaizhuang gold field  western Shandong
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