MAGNETIC ANOMALIES AND SEA FLOOR SPREADING ON CHILE RISE

被引：44
作者：
MORGAN, WJ
VOGT, PR
FALLS, DF
机构：
[1] US Naval Oceanographic Office, Washington, DC
[2] Princeton University, Princeton, NJ
[3] University of North Carolina, Chapel Hill, NC
来源：
NATURE | 1969年 / 222卷 / 5189期
关键词：
D O I：
10.1038/222137a0
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Magnetic anomalies and the pattern of seismicity suggest that the present Chile Rise has been spreading at 2.7 cm/yr along a NNE axis. Older oceanic crust (25-55 m.y. BP) near the coast of Chile was generated at about 4.6 cm/yr. The NNW orientation of the anomalies implies either a gradual counter clockwise rotation of the crustal block north of the Chile Rise or a recent change in the spreading pattern. © 1969 Nature Publishing Group.
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页码：137 / &
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