PALEOCENE VIRTUAL GEOMAGNETIC POLES DETERMINED FROM VOLCANIC ROCKS NEAR GOLDEN, COLORADO

被引：8

作者：

LARSON, EE

MUTSCHLE.FE

BRINKWOR.GL

机构：

[1] Department of Geological Sciences, University of Colorado, Boulder

来源：

EARTH AND PLANETARY SCIENCE LETTERS | 1969年 / 7卷 / 01期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0012-821X(69)90007-7

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：

Three flat-lying basalt flows near Golden, Colorado dated at about 58 m.y. by K-Ar methods have a stable thermoremanent magnetization. The virtual geomagnetic pole position after AC cleaning is located at N 81.4°, E 63.7° for the upper two flows and N 64.5°, E 62.9° for the lowest flow. These poles are comparatively close to previously reported early Tertiary pole positions from North America (exclusive of the Siletz River Volcanics pole). Magnetic stability of the samples is directed related to the degree of high-temperature oxidation of opaque minerals. © 1969.

引用

页码：29 / &

共 9 条

[1] REMANENT MAGNETIZATION OF LOWER TO MIDDLE EOCENE BASALT FLOWS FROM OREGON [J].