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Permian and Triassic Paleogeography of the Eastern Klamath Arc and Eastern Hayfork Subduction Complex, Klamath Mountains, California: Evidence from Lithotectonic Associations and Detrital Zircon

Miller, M. Meghan and Saleeby, Jason (1991) Permian and Triassic Paleogeography of the Eastern Klamath Arc and Eastern Hayfork Subduction Complex, Klamath Mountains, California: Evidence from Lithotectonic Associations and Detrital Zircon. AAPG Bulletin, 75 (2). p. 375. ISSN 0149-1423. https://resolver.caltech.edu/CaltechAUTHORS:20140825-124629912

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Abstract

Middle Permian and Middle Triassic volcanic-hypabyssal intrusive complexes form ensimatic arc deposits in the eastern Klamath terrane. Sedimentary matrix melange with blocks of sandstone, chert, and Tethyan fauna-bearing limestone compose the westward-lying eastern Hayfork terrane. Limestone olistoliths were derived from seamounts and incorporated into a subduction complex that was active during the Late Triassic and perhaps as early as the Permian. Geologic and biogeographic relations have previously been interpreted to imply a genetic relation between an ensimatic arc and subduction complex, constraining Permian(?)-Triassic subduction as eastward dipping.


Item Type:Article
Additional Information:© 1991 American Association of Petroleum Geologists.
Issue or Number:2
Record Number:CaltechAUTHORS:20140825-124629912
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140825-124629912
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:48852
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:25 Aug 2014 21:25
Last Modified:03 Oct 2019 07:08

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