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Cyclostratigraphy, stratigraphic gaps and the duration of the Hettangian Stage (Jurassic): insights from the Blue Lias Formation of southern Britain

Abstract:

The lithostratigraphic characteristics of the iconic Blue Lias Formation of southern Britain are influenced by sedimentation rates and stratigraphic gaps. Evidence for regular sedimentary cycles is reassessed using logs of magnetic susceptibility from four sites as an inverse proxy for carbonate content. Standard spectral analysis, including allowing for false discovery rates, demonstrates several scales of regular cyclicity in depth. Bayesian probability spectra provide independent confirmat...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1017/s0016756818000808

Authors


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Role:
Author
ORCID:
0000-0003-1262-9984
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Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Oxford college:
St Edmund Hall
Role:
Author
ORCID:
0000-0002-2728-0984
Publisher:
Cambridge University Press Publisher's website
Journal:
Geological Magazine Journal website
Volume:
156
Issue:
9
Pages:
1469-1509
Publication date:
2018-12-17
Acceptance date:
2018-10-27
DOI:
EISSN:
1469-5081
ISSN:
0016-7568
Source identifiers:
955422
Language:
English
Keywords:
Pubs id:
pubs:955422
UUID:
uuid:a7513d82-a8fe-434f-ac24-ad1184534a49
Local pid:
pubs:955422
Deposit date:
2019-01-02

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