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云南墨江金厂外围观音山矿区土壤地球化学特征及其在寻找金、镍矿中的应用
- 杨润柏|张七道|吴亮|陈庆松
- 作者单位：
- 中国地质调查局昆明自然资源综合调查中心|中国地质调查局昆明自然资源综合调查中心&中国地质大学（武汉）|中国地质调查局昆明自然资源综合调查中心|中国地质调查局昆明自然资源综合调查中心
基金项目：
- 武警黄金部队黄金专项业务费项目（2015-57）
详细信息：
- 作者简介：
- 杨润柏（1983—），男，云南鹤庆人，工程师，从事矿产勘查工作；昆明市西山区碧鸡镇春雨路1566号，中国地质调查局昆明自然资源综合调查中心，650111；E-mail：2259667593@qq.com
- 通讯作者：
- E-mail：506676421@qq.com，13769103605
- PDF下载
Geochemical characteristics of soil in Guanyinshan mining area in the peripheral of Jinchang,Mojiang,Yunnan Province and its application in prospecting for Au and Ni deposits
- English Author：
- Kunming Natural Resources Comprehensive Survey Center,China Geological Survey|Kunming Natural Resources Comprehensive Survey Center,China Geological Survey&China University of Geosciences(Wuhan）|Kunming Natural Resources Comprehensive Survey Center,China Geological Survey|Kunming Natural Resources Comprehensive Survey Center,China Geological Survey
- Unit：
- 摘要
- 在线预览
- 参考文献
摘要:
在墨江金厂外围观音山矿区开展1∶10 000土壤地球化学测量工作，以确定有利成矿元素，缩小找矿靶区。对土壤地球化学测量样品分析结果进行数理统计，运用成矿元素地球化学特征进行多元统计分析、单元素及组合异常分析，圈定成矿靶区，并通过路线地质调查及地表工程加以验证。结果表明：观音山矿区Au及Ni元素为有利成矿元素，Au-Ag-As-Sb和Ni-Co-Mn-Cu组合异常可作为寻找金、镍的找矿标志；分别圈定了1处金成矿靶区和1处镍成矿靶区。通过工程验证，发现了6条金矿化带（脉）和5条镍矿化带。本次研究可为观音山矿区下一步找矿勘查评价及寻找金、镍矿提供科学依据。
关键词:
土壤地球化学；成矿靶区；工程验证；观音山矿区；哀牢山成矿带
Abstract:
1:10 000 soil geochemical survey was carried out in Guanyinshan mining area in the peripheral of Jinchang,Mojiang,to narrow the prospecting target area and obtain favorable ore-forming elements.The results of soil geochemical survey samples are analyzed by mathematical statistics.The geochemical characteristics of ore-forming elements are used for multivariate statistical analysis,single element and combination anomaly analysis.The ore-forming target area is delineated and verified by route geological survey and surface engineering.The results show that Au and Ni are favorable ore-forming elements in Guanyinshan mining area,and Au-Ag-As-Sb and Ni-Co-Mn-Cu combination anomalies can be used as prospecting indicators for gold and nickel.1 gold ore-forming target area and 1 nickel ore-forming target area are delineated respectively.Through engineering verification,6 gold mineralization zones(veins) and 5 nickel mineralization zones are found.This study can provide a scientific basis for the next-step exploration and evaluation of Guanyinshan mining area and the search for gold and nickel deposits.
Keywords:
soil geochemistry;ore-forming target area;engineering verification;Guanyinshan mining area;Ailao-shan metallogenic belt