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| 便携式短波红外矿物分析仪(PIMA)在西藏墨竹工卡县驱龙铜矿区矿物填图中的应用 | |
| 引用本文： | 章革,连长云,王润生.便携式短波红外矿物分析仪(PIMA)在西藏墨竹工卡县驱龙铜矿区矿物填图中的应用[J].地质通报,2005,24(5):480-484. |
| 作者姓名： | 章革 连长云 王润生 |
| 作者单位： | 1. 中国地质大学,北京,100083 2. 中国地质调查局发展研究中心,北京,100037 3. 中国地质大学,北京,100083;中国国土资源航空物探遥感中心,北京,100083 |
| 基金项目： | 中国地质调查局重点项目《成像光谱和便携式近红外光谱矿物填图应用试验研究》(200210000006)，国家863-103项目(2001AA136020-4)，国土资源部“十五”重点科研项目(2002206)资助 |
| 摘 要： | 介绍了应用国内近两年新引进的便携式短波红外矿物分析仪(Portable Infrared Mineral Analyser，简称PIMA)在西藏驱龙铜矿区所做的矿物填图的工作情况，以及依据PIMA测试所获得的光谱数据进行矿物识别的初步研究成果。通过野外对探槽TC0701和TC1101系统采样和对应的光谱测试分析，识别出了与矿化和矿体有直接关系的蚀变指示矿物硬石膏(anhydrite)。在矿物识别过程中，提取到了可以作为矿区标准光谱的白云母等矿物的纯光谱曲线，并且在野外验证过程中确认了航天图像(Hyperion)上解译的零星分布的蚀变矿物绿泥石的存在。 |
| 关 键 词： | 便携式短波红外矿物分析仪（PIMA） 西藏驱龙铜矿 矿物填图 |
| 文章编号： | 1671-2552(2005)05-0480-05 |
| 修稿时间： | 9/9/2004 12:00:00 AM |
Application of the portable infrared mineral analyser (PIMA) in mineral mapping in the Qulong copper prospect, Mozhugongka County Tibet |
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| ZHANG Ge,LIAN Changyun,WANG Runsheng,China University of Geosciences,Beijing,Chin,Development and Research Center of China Geological Survey,Beijing,Chin,. China Aero Geophysical Survey and Remote Sensing Center for Land and Resources,Beijing,China.Application of the portable infrared mineral analyser (PIMA) in mineral mapping in the Qulong copper prospect, Mozhugongka County Tibet[J].Geologcal Bulletin OF China,2005,24(5):480-484. | |
| Authors: | ZHANG Ge LIAN Changyun WANG Runsheng China University of Geosciences Beijing Chin Development and Research Center of China Geological Survey Beijing Chin China Aero Geophysical Survey and Remote Sensing Center for Land and Resources Beijing China |
| Abstract: | The portable infrared mineral analyser (PIMA) introduced from abroad two years ago was used in mineral mapping in the Qulong copper prospect, Tibet, and minerals were recognized based on the spectral data obtained by PIMA analysis. In this study, two trenches, TC0701 and TC1101, were systemically sampled. The tested spectral data were processed by the PIMA VIEW 3.1, and comparison of the results of mineral discrimination with the field investigation information indicates that anhydrite is an alteration indicator mineral directly related to copper mineralization and orebodies. In addition, in the process of mineral discrimination, pure spectra of minerals such as muscovite that may be used as the standard spectra in the copper prospect were obtained. The existence of the scattered alteration mineral chlorite which is interpreted from the Hyperion data has been confirmed in the course of field checks. |
| Keywords: | portable infrared mineral analyser (PIMA) Qulong copper prospect in Tibet mineral mapping |
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