| 几种不同类型金矿的高精度磁测异常特征 |
| |
| 引用本文： | 李才明,李军,余舟,李澎.几种不同类型金矿的高精度磁测异常特征[J].成都理工大学学报(自然科学版),2004,31(2):180-182. |
| |
| 作者姓名： | 李才明 李军 余舟 李澎 |
| |
| 作者单位： | 成都理工大学"地球探测与信息技术"省重点实验室,成都,610059;成都理工大学"地球探测与信息技术"省重点实验室,成都,610059;成都理工大学"地球探测与信息技术"省重点实验室,成都,610059;成都理工大学"地球探测与信息技术"省重点实验室,成都,610059 |
| |
| 摘 要： | 许多金矿的赋矿(或伴生)岩石与其周围岩石之间存在着磁性差异,如与中基性脉岩有关的金矿成因模式矿床、破碎蚀变火山岩型金矿等,在其上能观测到磁异常.即使是河床底部缝隙中与砂金相伴沉淀的重砂,由于铁磁性矿物含量较高,与其附近砂石之间存在磁性差异,利用高精度质子磁力仪,也能观测到比较明显的磁异常.在西藏自治区及四川省一些金矿床(点)上的研究取得了良好的进展,对砂金矿、锑金伴生型金矿,中基性脉岩型金矿上的高精度磁测异常特征有了新的认识,为利用高精度磁测方法间接寻找金矿积累了经验.
|
| 关 键 词： | 高精度磁测 金矿 中基性脉岩 砂金矿 磁异常 |
| 文章编号： | 1671-9727(2004)02-0180-03 |
| 修稿时间： | 2003年6月6日 |
High-precision magnetical anomaly characteristics of different gold deposit types |
| |
| LI Cai-ming,LI Jun,YU Zhou,LI Peng chuan Province,Chengdu University of Technology,China.High-precision magnetical anomaly characteristics of different gold deposit types[J].Journal of Chengdu University of Technology: Sci & Technol Ed,2004,31(2):180-182. |
| |
| Authors: | LI Cai-ming LI Jun YU Zhou LI Peng chuan Province Chengdu University of Technology China |
| |
| Abstract: | Magnetism difference exists between the gold-bearing rock and its wall rocks in many gold (deposits). For example, magnetic anomalies have been measured on the gold deposits yielded in meso-basic dyke rocks and crash altered volcanic rocks. Because the magnetism of the heavy sands nearby the gold placer is stronger than that of the other sands, the magnetic anomalies also can be measured by using high-precision proton magnetometer. Great progress has been made in the research on some gold deposits in Sichuan Province and Tibet. New ideas about the characteristics of high-precision magnetical anomalies of gold placer and gold deposits yielded in meso-basic dyke rocks must be useful to explore indirectly the gold deposits with high-precision magnetic survey. |
| |
| Keywords: | high-precision magnetic survey gold deposit meso-basic dyke rock gold placer (magnetical) anomaly |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
