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物探与化探  1987, Vol. 11 Issue (1): 21-30    
  论文 本期目录 | 过刊浏览 | 高级检索 |
四川攀西地区二叠纪岩石磁性和古地磁研究
周烑秀1, 鲁连仲2, 张秉铭3
1. 地矿部航空物探总队研究所;
2. 武汉地质学院;
3. 地矿部物化探研究所
A STUDY ON MAGNETIC PROPERTIES AND PALEOMAGNETISM OF PERMIAN ROCKS FROM PANXI AREA,SICHUAN PROVINCE
Zhou Yaoxiu1, Lu Lianzhong2, Zhang Bingming3
1. Institute of Aero geophysical Survey, MGMR;
2. Wuhan College of Geology;
3. Institute of Exploration Geophysics and Geochemistry, MGMR
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摘要 

在四川省攀枝花一西昌地区六个采样点,采集了二叠纪玄武岩和铝土矿标本,测得的古地磁结果表明,不同点地层的平均磁特征方向是一致的,但其磁极性既有正向的,也有反向的,进一步分析研究提出,磁性方向在NE象限的峨眉山玄武岩是在正极性期形成的.文章还讨论了安宁河断裂两侧地层磁性的某些差异,并提出这些磁特征方向的差异可能是由于构造作用或地层年龄差异所致.

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Abstract

Samples of Permian basalt and bauxite were collected at six sampling sites in Panzhihua-Xichang area of Sichuan Province. The paleomagnetic measure ments indicate that the strata at different sites have consistent characteristic mean magnetic directions, with the geomagnetic polarity being either positive or reversed. A further analysis implies that the Emeishan basalt that lies in NE quadrant was formed at the positive polarity interval.A discussion is also given as to some differences in magnetic properties of the strata between the two sides of the Anninhe fault. It is considered that these differences in characteristic magnetic direction might have arisen from structural activity or disparity in age of strata.

     出版日期: 1987-02-24
引用本文:   
周烑秀, 鲁连仲, 张秉铭. 四川攀西地区二叠纪岩石磁性和古地磁研究[J]. 物探与化探, 1987, 11(1): 21-30.
Zhou Yaoxiu, Lu Lianzhong, Zhang Bingming. A STUDY ON MAGNETIC PROPERTIES AND PALEOMAGNETISM OF PERMIAN ROCKS FROM PANXI AREA,SICHUAN PROVINCE. Geophysical and Geochemical Exploration, 1987, 11(1): 21-30.
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