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THE EARLY TOARCIAN (JURASSIC) ANOXIC EVENT - STRATIGRAPHIC, SEDIMENTARY, AND GEOCHEMICAL EVIDENCE

Abstract:

Detailed paleogeographic studies in the Southern Alps suggest that an oxygen-minimum model is appropriate for interpreting conditions on Tethyan continental margins. Advection of manganese in this low-oxygen layer may explain the local occurrence of carbonate ores of this element. Carbon-sulfur and iron-sulfur ratios, although showing considerable scatter, suggest that bottom waters at this time were locally euxinic, containing free hydrogen sulfide. This Oceanic Anoxic Event was preceded by ...

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Publication status:
Published

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Publisher copy:
10.2475/ajs.288.2.101

Authors


JENKYNS, H More by this author
Journal:
AMERICAN JOURNAL OF SCIENCE
Volume:
288
Issue:
2
Pages:
101-151
Publication date:
1988-02-05
DOI:
ISSN:
0002-9599
URN:
uuid:58a7cc03-0eaa-4f54-a96b-c05dcb2b1185
Source identifiers:
82178
Local pid:
pubs:82178
Language:
English

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