| 磁化率各向异性的原理及应用实例 |
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| 引用本文： | 张淑伟,杨振宇,王喜生,Maria T Ciopp,乔彦松,霍俊杰,Edgardo Ca&#;&#;n-Tapi,赵越.磁化率各向异性的原理及应用实例[J].地质力学学报,2017,23(1):135-140. |
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| 作者姓名： | 张淑伟 杨振宇 王喜生 Maria T Ciopp 乔彦松 霍俊杰 Edgardo Ca&#;&#;n-Tapi 赵越 |
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| 作者单位： | 中国地质科学院地质力学研究所, 北京 100081;太原理工大学矿业工程学院, 太原 030024;首都师范大学, 北京 100048;中国地质科学院地质力学研究所, 北京 100081;Department of Earth and Environmental Sciences, University of Windsor, Windsor, ON N9B 3P4, Canada;中国地质科学院地质力学研究所, 北京 100081;太原理工大学矿业工程学院, 太原 030024;CICESE, Department of Earth Sciences, P. O. Box 434843, San Diego, CA 92143, USA;中国地质科学院地质力学研究所, 北京 100081 |
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| 基金项目： | 国家自然科学基金青年基金项目（41204052）；国家博士后基金项目（2014M550780）；山西省自然基金项目（2014011032-2）；山西省回国留学人员基金项目（2014-021） |
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| 摘 要： | 磁化率各向异性(AMS)在地质领域中的应用极为广泛,可以用来研究古流向造成的磁性矿物的定向排列,以及构造应力作用引起的岩石内磁性矿物的定向重结晶、定向排列及韧性变形。本文介绍了AMS的基本原理和参数,并并介绍了前人及作者应用AMS详细分析研究了二个实例:(1)以假多畴(MD)高钛磁铁矿为主要载磁矿物的玄武岩样品的AMS变化及其对构造运动的响应;(2)以MD磁铁矿为主要载磁矿物的湖泊沉积物样品在沉积过程中AMS变化。AMS可以灵敏地检测样品中磁性矿物的定向排列,因此在在地质领域中具有很好的应用前景。
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| 关 键 词： | 磁化率各向异性 磁铁矿 玄武岩 湖泊沉积物 岩石磁学 |
| 收稿时间： | 2016/12/6 0:00:00 |
ANISOTROPY OF MAGNETIC SUSCEPTIBILITY:THEORY AND CASE STUDIES |
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| ZHANG Shu-wei,YANG Zhen-yu,WANG Xi-sheng,Maria T Ciopp,QIAO Yan-song,HUO Jun-jie,Edgardo Ca&#;&#;n-Tapia and ZHAO Yue.ANISOTROPY OF MAGNETIC SUSCEPTIBILITY:THEORY AND CASE STUDIES[J].Journal of Geomechanics,2017,23(1):135-140. |
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| Authors: | ZHANG Shu-wei YANG Zhen-yu WANG Xi-sheng Maria T Ciopp QIAO Yan-song HUO Jun-jie Edgardo Ca&#;&#;n-Tapia and ZHAO Yue |
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| Institution: | Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing, 100081, China;College of Mining Technology, Taiyuan University of Technology, Taiyuan 030024, China;College of Resources, Environment and Tourism, Capital Normal University, Beijing 100048, China;Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing, 100081, China;Department of Earth and Environmental Sciences, University of Windsor, Windsor, ON N9B 3P4, Canada;Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing, 100081, China;College of Mining Technology, Taiyuan University of Technology, Taiyuan 030024, China;CICESE, Department of Earth Sciences, P. O. Box 434843, San Diego, CA 92143, USA;Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing, 100081, China |
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| Abstract: | Anisotropy of magnetic susceptibility (AMS) has been widely utilized to study orientation of magnetic minerals due to the paleo-flow, and direction of magnetic minerals or their recrystallization caused by tectonic stress. We presented the AMS principle and parameters, and studied AMS changes in:(1) two basalt samples (unheated and heated) that have experienced tectonic deformation, with multidomain (MD) titanomagnetite as dominant magnetic minerals, and this is from a previous study; (2) lake sediments that are majorly characterized by MD magnetite. The results show that AMS can sensitively investigate orientation of magnetic minerals. |
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| Keywords: | anisotropy of magnetic susceptibility (AMS) magnetite basalt lake sediment rock magnetism |
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