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 |
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Main Authors | , , , , , , |
Format | Magazine Article |
Language | Chinese |
Published |
广西壮族自治区地质调查院,广西南宁 530023
2023
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Subjects | |
Online Access | Get full text |
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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. |
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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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Author_xml | – sequence: 1 fullname: 韦良喜 – sequence: 2 fullname: 张珩清 – sequence: 3 fullname: 宫研 – sequence: 4 fullname: 周荣幸 – sequence: 5 fullname: 罗晓科 – sequence: 6 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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