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Multiple remagnetizations of lower Paleozoic limestones from the Taconics of Vermont

Scott Tucker; Dennis V. Kent

Title:
Multiple remagnetizations of lower Paleozoic limestones from the Taconics of Vermont
Author(s):
Tucker, Scott
Kent, Dennis V.
Date:
Type:
Articles
Department:
Lamont-Doherty Earth Observatory
Volume:
15
Permanent URL:
Book/Journal Title:
Geophysical Research Letters
Abstract:
The natural remanent magnetizations in some upper Cambrian and middle Ordovician limestones from the Taconics of Vermont (~44°N 287°E) are multicomponent and can be attributed to early Paleozoic, late Paleozoic and Cretaceous-early Tertiary remagnetizations. A northwesterly and up magnetization found at 2 sampling localities, characterized by maximum unblocking temperatures of about 350°C, has directions prior to tilt correction corresponding to Ordovician reference poles for North America and is likely to represent a Taconic remagnetization. A shallow, southerly magnetization found at a third locality, with unblocking temperatures that range to about 500°C, has directions corresponding to a Permian (Kiaman and Alleghenian) remagnetization. Common to all 3 sampling localities is a low (up to 300°C) unblocking temperature overprint similar in direction to Cretaceous to Paleocene reference poles.
Subject(s):
Geophysics
Publisher DOI:
http://dx.doi.org/10.1029/GL015i011p01251
Item views:
137
Metadata:
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