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Oxfordian magnetostratigraphy of Britain and its correlation to Tethyan regions and Pacific marine magnetic anomalies

Ogg, James G.; Coe, Angela L.; Przybylski, Piotr A. and Wright, John K. (2010). Oxfordian magnetostratigraphy of Britain and its correlation to Tethyan regions and Pacific marine magnetic anomalies. Earth and Planetary Science Letters, 289(3-4) pp. 433–448.

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A suite of 11 sections through the Oxfordian (Upper Jurassic) strata in the Dorset and Yorkshire regions of England and the Isle of Skye in Scotland yielded magnetic polarity patterns directly calibrated to the ammonite biostratigraphy of the Boreal and the Subboreal faunal provinces. The sections include the leading candidate for the global stratotype (GSSP) for the Callovian–Oxfordian stage boundary. The mean Oxfordian paleomagnetic pole derived from the Dorset and Yorkshire sections is 71.3°N, 172.6°E (δp = 4.2°, δm = 6.1°). The integrated magneto-biostratigraphic scale is consistent with results from the Sub-Mediterranean faunal province and extends the polarity pattern to the base of the Oxfordian. After adjusting for the estimated durations of ammonite subzones from cycle stratigraphy, the magnetostratigraphy confirms models for marine magnetic anomalies M30 through to M37, including some of the short-duration features recorded by deep-tow magnetic surveys in the western Pacific. The Callovian–Oxfordian boundary (base of Quenstedtoceras mariae Zone) occurs in a normal-polarity zone that is correlated to the youngest part of polarity chron M37n of this extension to the M-sequence.

Item Type: Article
Copyright Holders: 2010 Elsevier
ISSN: 0012-821X
Project Funding Details:
Funded Project NameProject IDFunding Body
Not SetNot SetNERC (Natural Environment Research Council)
Not SetNot SetElf Enterprise UK
Not SetEAR-0719078National Science Foundation
Not SetNot SetAmoco
Not SetNot SetVastar
Not SetNot SetConoco
Not SetNot SetSaga Petroleum
Keywords: magnetostratigraphy; Oxfordian; ammonite zonation; Boreal Realm United Kingdom
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Environment, Earth and Ecosystem Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID: 27619
Depositing User: Angela Coe
Date Deposited: 27 Jan 2011 21:38
Last Modified: 04 Oct 2016 10:59
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