| 梁孝伟,杨凡凡,唐龙元,陈亮,焦伟,印桐檑.基于物、化探异常分析的找矿靶区圈定[J].地质找矿论丛,2025,40(2):227-234 |
| 基于物、化探异常分析的找矿靶区圈定 |
| Physical and geochemical anomaly analysis-based outline of ore prospecting targets |
| 投稿时间：2024-12-09 修订日期：2025-03-16 |
| DOI：10.6053/j.issn.1001-1412.2025.02.010 |
| 中文关键词: 有利矿体 物探异常 化探异常 金矿 西戈壁 |
| 英文关键词:potential ore bodies geophysical anomalies geochemical anomalies gold deposit the West Gobi area |
| 基金项目:新疆煤炭资源绿色开采教育部重点实验室自主课题"基于Hamilton变分原理的多层薄板组合煤岩体动态损伤演化路径(KLXGY-Z2403)"资助。 |
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| 中文摘要: |
| 为了有效圈定新疆哈密市西戈壁金矿体靶区位置并指导下一步勘查工作,本文通过岩石地球化学测量和1∶1万高精度磁法等手段展开研究,结论如下:①研究区磁测面积划分出2个磁场区和7个磁异常,总体反映出区内火山岩具中低缓正磁场特征;②根据单元素异常圈定化探综合异常10处,综合异常地球化学特征以Au、Bi、As、Hg元素异常为主,各元素异常套合好,各元素具有明显的三级分带;③结合物、化探异常特征,将研究区划分为北部硅质岩矿化带、中部含金石英脉矿化带和南部含金凝灰质砂岩矿化带,圈定5处找矿远景靶区,指引下一步找矿方向,同时该成果以期为类似地区多金属矿研究提供指导。 |
| 英文摘要: |
| In order to effectively locate targets of the gold ore bodies in the west Gobi area of Hami City, Xinjiang Uygur Autonomous Region,and guide the future exploration work, the authors carried out a study by means of rock geochemical and high-precision magnetic survey at a scale of 1:10 000. Results obtained are as follows: (1) There are two magnetic field areas and seven magnetic anomalies,generally reflecting low-medium gentle magnetic field characteristics of volcanic rocks in the area; (2) Based on the single-element anomalies, 10 comprehensive geochemical anomalies have been identified,and the comprehensive geochemical anomalies are dominated by the anomaly Au, Bi, As and Hg,and each element anomaly is well fitted,and each element shows three obvious tertiary zonings; (3) based on geophysical and geochemical anomaly characteristics,the study area was divided into the northern siliceous rock mineralization zone, the central gold-bearing quartz vein mineralization zone,and the southern gold-bearing tuffaceous sandstone mineralisation zone, and five prospective target zones were defined. The above results would guide the future prospecting direction in the area and study on polymetallic prospecting in similar areas. |
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