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Paleomagnetic poles and polarity zonation from Cambrian and Devonian strata of Arizona

Earth and Planetary Science Letters

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Abstract

Basal Paleozoic Tapeats Sandstone (Early and Middle Cambrian) in northern and central Arizona exhibits mixed polarity and a low-latitude paleomagnetic pole. Carbonates of Middle and early Late Cambrian age, and directly superposed carbonate and carbonate-cemented strata of latest Middle(?) and early Late Devonian age, are characterized by reversed polarity and high-latitude poles. The high-latitude Middle Cambrian pole, which appears to record a large but brief excursion of the polar wandering path, is considered provisional pending additional work. The Devonian data from Arizona indicate that a shift of the pole to a "late Paleozoic" position had occurred by Middle Devonian time. ?? 1977.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Paleomagnetic poles and polarity zonation from Cambrian and Devonian strata of Arizona
Series title:
Earth and Planetary Science Letters
Volume
36
Issue:
3
Year Published:
1977
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
423
Last page:
433
Number of Pages:
11