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Osmium-isotope evidence for two pulses of increased continental weathering linked to Early Jurassic volcanism and climate change

Abstract:

Large Igneous Provinces (LIPs) are proposed to have caused a number of episodes of abrupt environmental change by increasing atmospheric CO2 levels, which were subsequently alleviated by drawdown of CO2 via enhanced continental weathering and burial of organic matter. Here, the sedimentary records of two such episodes of environmental change, the Toarcian Oceanic Anoxic Event (T-OAE) and preceding Pliensbachian–Toarcian (Pl–To) event (both potentially linked to the Karoo–Ferr...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1130/G37997.1

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Davies, MK More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Hesselbo, SP More by this author
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Leverhulme Trust More from this funder
University College, Oxford More from this funder
Shell Global Solutions International More from this funder
Publisher:
Geological Society of America Publisher's website
Journal:
Geology Journal website
Volume:
44
Issue:
9
Pages:
759-762
Publication date:
2016
DOI:
EISSN:
1943-2682
ISSN:
0091-7613
URN:
uuid:6fd1d013-b9ef-4079-acd9-e53a13c4946c
Source identifiers:
632199
Local pid:
pubs:632199

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