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甘肃北山斜沟—红柳丘井地区土壤地球化学特征及找矿远景
- 范宗福|徐沛斌|魏万鸿|张旭
- 作者单位：
- 甘肃省地质矿产勘查开发局第四地质矿产勘查院|甘肃省地质矿产勘查开发局第四地质矿产勘查院|甘肃省地质矿产勘查开发局第四地质矿产勘查院|甘肃省地质矿产勘查开发局第四地质矿产勘查院
基金项目：
- 甘肃省自然资源厅省地勘基金项目（甘财资环〔2022〕62号）；甘肃省自然资源厅基础地质调查项目（甘国土资勘发〔2017〕64号）
详细信息：
- 作者简介：
- 范宗福（1987—），男，工程师，从事区域地质调查与矿产勘查工作；E-mail：978597680@qq.com
- 通讯作者：
- isnull
- PDF下载
Soil geochemical characteristics and mineral exploration prospects in Xiegou-Hongliuqiujing Area,Beishan,Gansu Province
- English Author：
- The Fourth Geological and Mineral Exploration Institute of Gansu Provincial Geological and Mineral Exploration and Development Bureau
- Unit：
- 摘要
- 在线预览
- 参考文献
摘要:
在斜沟—红柳丘井地区开展1∶50 000土壤测量，采集样品5 625件，粒度为4目至20目。通过样品加工分析和地球化学参数统计，对成矿元素地球化学特征进行研究，圈定单元素异常467处、组合异常3类、综合异常17处。根据异常查证评价情况对综合异常进行了分类及排序。在此基础上，结合区域地质背景、矿产资源分布情况，划分了以Au、Pb、Zn、W、Mo为主的找矿远景区5处，初步评价了其成矿潜力，指出具有找矿潜力的矿床类型为斑岩型钼矿床、蚀变岩型金矿床、火山热液型金矿床。
关键词:
地球化学特征；斑岩型钼矿床；蚀变岩型金矿床；火山热液型金矿床；找矿远景区；斜沟—红柳丘井地区
Abstract:
1∶50 000 soil survey was conducted in the Xiegou-Hongliuqiujing Area and a total of 5 625 samples were collected,with sampling sizes from 4 mesh to 20 mesh.Through sample processing analysis and geochemical parameter statistics,the geochemical characteristics of ore-forming elements were studied.A total of 467 single-element anomalies,3 types of combined anomalies,and 17 comprehensive anomalies were identified.Based on the anomaly veri-fication and evaluation,the comprehensive anomalies were classified and sorted.Based on the above,combined with the regional geological background and distribution of mineral resources,the research area has been pided into 5 prospecting prospect areas mainly composed of Au,Pb,Zn,W,and Mo,and their ore-forming potential has been preliminarily evaluated.It is believed that there are prospecting potentials for porphyry type molybdenum deposits,altered rock type gold deposits,and volcanic hydrothermal type gold deposits.
Keywords:
geochemical characteristics;porphyry type molybdenum deposit;altered rock type gold deposit;volcanic hydrothermal type gold deposit;prospecting prospect area;Xiegou-Hongliuqiujing Area