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Cited by 349

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Magnetic Anomalies over the Pacific-Antarctic Ridge

Pitman, W. C., Heirtzler, J. R.·1966·Science

Abstract

Four magnetic profiles across the Pacific-Antarctic Ridge reveal magnetic anomalies that show trends parallel with the ridge axis and symmetry about the ridge axis. The distribution of bodies that could cause these anomalies supports the Vine and Matthews hypothesis for the generation of patterns of magnetic anomalies associated with the midocean ridge system. The geometry of the bodies accords with the known reversals of the geomagnetic field during the last 3.4 million years, indicating a spreading rate of the ocean floor of 4.5 centimeters per year. If one assumes that the spreading rate within 500 kilometers of the ridge axis has been constant, reversals of the geomagnetic field during the last 10.0 million years can be determined. This new, detailed history of field reversals accords with observed anomalies over Reykjanes Ridge in the North Atlantic if a spreading rate of 1 centimeter per year is assumed there.

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Crossref · 10.1126/science.154.3753.1164

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Metadata

Authors
Pitman, W. C., & Heirtzler, J. R.
Venue
Science
Published
1966-12-02
Volume
154
Issue
3753
Pages
1164-1171
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W1996278787
Cited by
349
References
0
FWCI
20.48
Type
journal article
Language
en
Open access
closed

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.