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高精度磁测在吉林磐石自由屯铜金矿区找矿中的应用
- 杨继峰|王学阳|郭丕夷|李凯春|王立功
- 作者单位：
- 吉林大学地球科学学院|长春黄金研究院有限公司|吉林有色金属地质勘查局608队|吉林有色金属地质勘查局608队|吉林有色金属地质勘查局608队
基金项目：
- 中国地质调查局项目（WKZB2011BJM300175）
详细信息：
- 作者简介：
- 杨继峰（1991—），男，吉林长春人，工程师，硕士，研究方向为矿产资源经济；长春市建设街2199号，吉林大学地球科学学院，130061；E-mail：jifengyang2020@163.com
- 通讯作者：
- E-mail：553970726@qq.com，15754304544
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Application of high-precision magnetic survey for prospecting in Ziyoutun Copper Gold District in Panshi,Jilin Province
- English Author：
- College of Earth Sciences,Jilin University|Changchun Gold Research Institute Co.,Ltd.|No.608 Team,Jilin Non-ferrous Metal Geological Exploration Bureau|No.608 Team,Jilin Non-ferrous Metal Geological Exploration Bureau|No.608 Team,Jilin Non-ferrous Metal Geological Exploration Bureau
- Unit：
- 摘要
- 在线预览
- 参考文献
摘要:
高精度磁测成果是深部岩（矿）石磁性差异的综合反映，包含丰富的浅源信息和深源信息。通过对自由屯铜金矿区高精度磁测异常的化极、延拓和求导解译处理，识别物性结构面产状及分布，确定成矿地质体的形态及不同深度产状变化特征。自由屯铜金矿区矿化受二叠系大河深组地层岩性、断裂及岩浆岩体综合控制，矿（化）体呈脉状、透镜状产出。根据高精度磁测解译结果，确定控矿构造和成矿地质体的分布及产状特征，结合对控矿因素的分析及找矿标志的总结，对Ⅰ—Ⅳ蚀变矿化带的找矿方向进行评价，为探矿工程布置提供依据。
关键词:
高精度磁测；找矿方向；成矿结构面；成矿地质体；自由屯铜金矿区
Abstract:
The result of high-precision magnetic survey is a comprehensive reflection of the magnetic difference of deep rocks (ore),which contains abundant shallow source information and deep source information.The occurrence and distribution of physical structure surfaces are identified through the treatment of polarization,extension and derivation and interpretation of high-precision magnetic survey anomalies in Ziyoutun Copper Gold District,and the morpho-logy and occurrence variation characteristics of metallogenic geological bodies at different depths are determined.The Ziyoutun copper gold mineralization is jointly controlled by the strata lithology,fault and magmatic rock mass of Daheshen Formation of Permian,and the ore(mineralization) body occurs in the form of veins and lens.According to the results of high-precision magnetic survey interpretation,the ore-controlling structure and the distribution and occurrence of the metallogenic geological characteristics are determined.Based on the analysis of the ore-controlling factors and the summary of prospecting marks,the Ⅰ-Ⅳ prospecting direction of alteration mineralized zone is evaluated,providing the basis for prospecting engineering arrangement.
Keywords:
high-precision magnetic survey;prospecting direction;metallogenic structural face;metallogenic geological body;Ziyoutun Copper Gold District
