SAMPLE SHAPE AND MAGNETIC GRAIN SIZES - 2 POSSIBLE CONTROLS ON THE ANISOTROPY OF MAGNETIC-SUSCEPTIBILITY VARIABILITY IN DEEP-SEA SEDIMENTS

被引：18

作者：

ELLWOOD, BB

机构：

[1] Department of Geology, University of Georgia, Athens

来源：

EARTH AND PLANETARY SCIENCE LETTERS | 1979年 / 43卷 / 02期

关键词：

D O I：

10.1016/0012-821X(79)90216-4

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

The anisotropy of magnetic susceptibility (AMS) has been measured on synthetic cylindrical samples with magnetic grain sizes of 20-38 μm, 10-20 μm, and 0.5 μm. The length to diameter ratio has been progressively reduced by slicing the cylinders and the AMS determined. Sample-shape controls AMS ellipsoid orientations when magnetic grain size is small. Such sample-shape controls may explain some of the anomalous AMS results which have been reported for deep-sea sediments and must be considered when interpreting magnetic fabric. © 1979.

引用

页码：309 / 314

页数：6

共 23 条

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