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40Ar/39Ar dating of oil generation and migration at complex continental margins

Mark, Darren F.; Parnell, John; Kelley, Simon P.; Lee, Martin R. and Sherlock, Sarah C. (2010). 40Ar/39Ar dating of oil generation and migration at complex continental margins. Geology, 38(1) pp. 75–78.

DOI (Digital Object Identifier) Link: http://dx.doi.org/10.1130/G30237.1
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Abstract

Oil-bearing fluid inclusions trapped within authigenic K-feldspar in Late Jurassic reservoirs throughout the UK Atlantic margin are evidence for an early oil migration event from Late Jurassic source rocks in the Faeroe-Shetland Basin. Previous compound-specific isotope studies confirm the hydrocarbon provenance. Temperature-composition-time data show that the Late Jurassic source rocks were oil mature 113 ± 3.5 Ma (2σ). This new 40Ar/39Ar authigenic K-feldspar age shows that the Late Jurassic source rocks were oil mature 30–40 m.y. prior to current estimates.

Item Type: Journal Article
Copyright Holders: 2010 Geological Society of America
ISSN: 0091-7613
Project Funding Details:
Funded Project NameProject IDFunding Body
Not SetNot SetNERC (Natural Environment Research Council)
Academic Unit/Department: Science > Physical Sciences
Science > Environment, Earth and Ecosystems
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID: 19429
Depositing User: Simon Kelley
Date Deposited: 08 Jan 2010 10:22
Last Modified: 22 Nov 2012 17:14
URI: http://oro.open.ac.uk/id/eprint/19429
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