广西凤山县林老平金矿地球化学特征与找矿

P618%TD85; 林老平金矿处于右江盆地,该盆地成矿条件优越,是寻找卡林型金矿的重点远景区.区内基岩出露少,传统的地质找矿方法在该区受到严重制约,但其丰富的水系和茂盛的植被,有利于水系沉积物和土壤的形成与保留,为次生晕的形成提供了基本条件.为了取得该区找矿突破,开展了 1∶5万水系沉积物地球化学测量,圈定了AS-3巴岩(甲 2类)和AS-8来花(乙 2类)Au-As-Hg-Sb综合异常.通过异常查证工作,将两者分别进一步缩小为林那和来花1∶1万土壤Au-As-Hg-Sb异常,异常沿林老平背斜核部呈近SN向带状展布,与 1∶5万水系异常吻合度高,元素套合性好.异常浓集中心经探槽(剥土)工程揭...

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Published in中国矿业 Vol. 32; no. 8; pp. 171 - 179
Main Authors 韦良喜, 张珩清, 宫研, 周荣幸, 罗晓科, 梁东财, 曹淑芳
Format Magazine Article
LanguageChinese
Published 广西壮族自治区地质调查院,广西南宁 530023 2023
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Abstract P618%TD85; 林老平金矿处于右江盆地,该盆地成矿条件优越,是寻找卡林型金矿的重点远景区.区内基岩出露少,传统的地质找矿方法在该区受到严重制约,但其丰富的水系和茂盛的植被,有利于水系沉积物和土壤的形成与保留,为次生晕的形成提供了基本条件.为了取得该区找矿突破,开展了 1∶5万水系沉积物地球化学测量,圈定了AS-3巴岩(甲 2类)和AS-8来花(乙 2类)Au-As-Hg-Sb综合异常.通过异常查证工作,将两者分别进一步缩小为林那和来花1∶1万土壤Au-As-Hg-Sb异常,异常沿林老平背斜核部呈近SN向带状展布,与 1∶5万水系异常吻合度高,元素套合性好.异常浓集中心经探槽(剥土)工程揭露,圈定了 6条金矿体和8条金矿化体,查证为矿致异常.土壤Au-As-Hg-Sb异常浓集中心基本上反映了金矿(化)体的位置,是很有效的找矿指示元素.金矿(化)体直接赋存于林老平背斜核部断裂破碎带或其旁侧的次级裂隙中,硅化、褐铁矿化、黄铁矿化和高岭土化等与成矿关系密切.水系沉积物地球化学测量和土壤地球化学剖面测量方法在该区找矿效果显著,在右江盆地寻找卡林型金矿该方法值得借鉴.
AbstractList P618%TD85; 林老平金矿处于右江盆地,该盆地成矿条件优越,是寻找卡林型金矿的重点远景区.区内基岩出露少,传统的地质找矿方法在该区受到严重制约,但其丰富的水系和茂盛的植被,有利于水系沉积物和土壤的形成与保留,为次生晕的形成提供了基本条件.为了取得该区找矿突破,开展了 1∶5万水系沉积物地球化学测量,圈定了AS-3巴岩(甲 2类)和AS-8来花(乙 2类)Au-As-Hg-Sb综合异常.通过异常查证工作,将两者分别进一步缩小为林那和来花1∶1万土壤Au-As-Hg-Sb异常,异常沿林老平背斜核部呈近SN向带状展布,与 1∶5万水系异常吻合度高,元素套合性好.异常浓集中心经探槽(剥土)工程揭露,圈定了 6条金矿体和8条金矿化体,查证为矿致异常.土壤Au-As-Hg-Sb异常浓集中心基本上反映了金矿(化)体的位置,是很有效的找矿指示元素.金矿(化)体直接赋存于林老平背斜核部断裂破碎带或其旁侧的次级裂隙中,硅化、褐铁矿化、黄铁矿化和高岭土化等与成矿关系密切.水系沉积物地球化学测量和土壤地球化学剖面测量方法在该区找矿效果显著,在右江盆地寻找卡林型金矿该方法值得借鉴.
Author 周荣幸
宫研
梁东财
韦良喜
曹淑芳
张珩清
罗晓科
AuthorAffiliation 广西壮族自治区地质调查院,广西南宁 530023
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Author_FL LIANG Dongcai
GONG Yan
WEI Liangxi
CAO Shufang
LUO Xiaoke
ZHOU Rongxing
ZHANG Hengqing
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  fullname: 梁东财
– sequence: 7
  fullname: 曹淑芳
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DocumentTitle_FL Geochemical characteristics and prospecting of Linlaoping Gold Mine in Fengshan County,Guangxi Province
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Keywords 卡林型金矿
右江盆地
Linlaoping Gold Mine
地质找矿
地球化学特征
Youjiang Basin
carlin-type gold deposits
geochemical characteristic
geological prospecting
林老平金矿
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Snippet P618%TD85; 林老平金矿处于右江盆地,该盆地成矿条件优越,是寻找卡林型金矿的重点远景区.区内基岩出露少,传统的地质找矿方法在该区受到严重制约,但其丰富的水系和茂盛的植被,有利于水系沉积物和土壤的形成与保留,为次生晕的形成提供了基本条件.为了取得该区找矿突破,开展了...
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Title 广西凤山县林老平金矿地球化学特征与找矿
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