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Ogg, James G.; Coe, Angela L.; Przybylski, Piotr A. and Wright, John K.
(2010).
DOI: https://doi.org/10.1016/j.epsl.2009.11.031
Abstract
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.
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About
- Item ORO ID
- 27619
- Item Type
- Journal Item
- ISSN
- 0012-821X
- Project Funding Details
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Funded Project Name Project ID Funding Body Not Set Not Set NERC (Natural Environment Research Council) Not Set Not Set Elf Enterprise UK Not Set EAR-0719078 National Science Foundation Not Set Not Set Amoco Not Set Not Set Vastar Not Set Not Set Conoco Not Set Not Set Saga Petroleum - Keywords
- magnetostratigraphy; Oxfordian; ammonite zonation; Boreal Realm United Kingdom
- Academic Unit or School
-
Faculty of Science, Technology, Engineering and Mathematics (STEM) > Environment, Earth and Ecosystem Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM) - Copyright Holders
- © 2010 Elsevier
- Depositing User
- Angela Coe