格罗夫山普通球粒陨石的磁化率和化学分类方法对比分析

doi:10.3724/SP.J.1084.2013.00362

极地研究 ›› 2013, Vol. 25 ›› Issue (4): 362-368.DOI: 10.3724/SP.J.1084.2013.00362

格罗夫山普通球粒陨石的磁化率和化学分类方法对比分析

胡森¹ 林杨挺¹ 冯璐¹ 罗红波² 刘焘³ 缪秉魁⁴

¹中国科学院地质与地球物理研究所地球深部研究重点实验室，北京100029；

²金川集团股份有限公司矿产资源部，甘肃金昌737104；

³有色金属矿产地质调查中心，北京 100012；
⁴桂林理工大学地球科学学院，广西桂林541004

收稿日期:2013-05-29 修回日期:2013-06-20 出版日期:2013-12-30 发布日期:2013-12-30
通讯作者: 林杨挺
基金资助:
微陨石撞击模拟及其在

COMPARATIVE STUDY OF MAGNETIC SUSCEPTIBILITY AND CHEMICAL CLASSIFICATION SCHEMES OF ORDINARY CHONDRITES RECOVERED FROM THE GROVE MOUNTAINS

Hu Sen¹, Lin Yangting¹, Feng Lu¹, Luo Hongbo², Liu Tao³, Miao Bingkui⁴

¹ Key Laboratory of the Earth’s Deep Interior, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China；

² Mineral Resources Department of Jinchuan Group Co., Ltd., Jinchuan 737104, China；

³China Non-ferrous Metals Resource Geological Survey, Beijing 100012, China；
⁴ College of Earth Sciences, Guilin University of Technology, Guilin 541004, China

Received:2013-05-29 Revised:2013-06-20 Online:2013-12-30 Published:2013-12-30

摘要/Abstract

摘要： 我国经过五次南极格罗夫山科学考察后，从南极格罗夫山地区回收到11452块陨石样品。南极陨石回收后面临着庞大的基础分类工作，需要确定其化学群和岩石类型。由于传统的化学分类方法不仅有损样品，而且样品制备耗时耗力，需要大量的经费和人力支持才能完成陨石的基础分类工作。因而国际上也在探索使用快速、无损的磁化率分类方法来确定陨石的类型。我国陨石基础分类工作得到科技部样品共享平台的资助，在2003年和2006-2008年期间开展了四次陨石分类工作，共确定了2300多块普通球粒陨石的化学群、岩石类型、冲击强度和风化程度。本文在基础分类工作的基础上，探讨这些样品的磁化率分析结果，并给出磁化率分类的适用范围及应用前景。

关键词: 陨石, 南极陨石, 磁化率, 化学群

Abstract: China has recovered 11452 meteorites from Grove Mountains of Antarctica after 5 explorations. It is a tough work to determine the chemical groups and petrography types. Traditional chemical classification of meteorites is destructive and needs a lot of time to prepare the sections, but also needs a mount of financial funds and human work to finish the fundamental classifications. So some researchers attempt to establish the magnetic susceptibility classification of meteorites, which is un-destructive and efficient. About 2300 ordinary chondrites recovered from Grove Mountain, Antarctica, have been classified under the organization of resource-sharing platform of polar samples and funded by Ministry of Science and Technology of the People’s Republic of China during 2003-2008. This paper will comparatively study the magnetic susceptibility and chemical classifications of the upper meteorites and assess its application in the future.

Key words: meteorite, Antarctic meteorite, magnetic susceptibility, chemical group

胡森林杨挺冯璐罗红波刘焘缪秉魁. 格罗夫山普通球粒陨石的磁化率和化学分类方法对比分析[J]. 极地研究, 2013, 25(4): 362-368.

Hu Sen，Lin Yangting，Feng Lu，Luo Hongbo，Liu Tao，Miao Bingkui. COMPARATIVE STUDY OF MAGNETIC SUSCEPTIBILITY AND CHEMICAL CLASSIFICATION SCHEMES OF ORDINARY CHONDRITES RECOVERED FROM THE GROVE MOUNTAINS[J]. ADVANCES IN POLAR SCIENCE, 2013, 25(4): 362-368.

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格罗夫山普通球粒陨石的磁化率和化学分类方法对比分析

COMPARATIVE STUDY OF MAGNETIC SUSCEPTIBILITY AND CHEMICAL CLASSIFICATION SCHEMES OF ORDINARY CHONDRITES RECOVERED FROM THE GROVE MOUNTAINS

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