Uranium isotopes distinguish two geochemically distinct stages during the later Cambrian SPICE event.

Volume: 401, Pages: 313 - 326
Published: Sep 1, 2014
Abstract
a b s t r a c t Anoxic marine zones were common in early Paleozoic oceans (542-400 Ma), and present a potential link to atmospheric pO2 via feedbacks linking global marine phosphorous recycling, primary production and organic carbon burial. Uranium (U ) isotopes in carbonate rocks track the extent of ocean anoxia, whereas carbon (C ) and sulfur (S) isotopes track the burial of organic carbon and pyrite sulfur (primary long-term sources of...
Paper Details
Title
Uranium isotopes distinguish two geochemically distinct stages during the later Cambrian SPICE event.
Published Date
Sep 1, 2014
Volume
401
Pages
313 - 326
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