TERRESTRIAL-MARINE CARBON CYCLE COUPLING IN ~500-M.Y.-OLD PHOSPHATIC BRACHIOPODS
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dc.contributor.author | Cowan C.A. | |
dc.contributor.author | Fox D.L. | |
dc.contributor.author | Runkel A.C. | |
dc.contributor.author | Saltzman M.R. | |
dc.date.accessioned | 2024-01-06T04:06:05Z | |
dc.date.available | 2024-01-06T04:06:05Z | |
dc.date.issued | 2005 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=45489091 | |
dc.identifier.citation | Geology, 2005, 33, 8, 661-664 | |
dc.identifier.issn | 0091-7613 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/42443 | |
dc.description.abstract | Carbon isotope compositions (δ13C) of inarticulate brachiopod shells from Upper Cambrian sandstone in the cratonic interior of Laurentia record a 5‰ positive excursion that correlates biostratigraphically with the global Steptoean positive isotopic carbon excursion. A consistent 6‰ negative displacement in brachiopod δ13C relative to carbonate values is interpreted to represent an onshore-offshore gradient in the isotopic composition of dissolved inorganic carbon in Cambrian seawater. Thus, these ~500-m.y.-old chitinophosphatic brachiopod shells preserve evidence for carbon cycle coupling between the ancient atmospheric, oceanic, and terrestrial reservoirs in the time before embryophytic land plants. | |
dc.subject | BRACHIOPOD | |
dc.subject | CAMBRIAN | |
dc.subject | CHITINOPHOSPHATIC | |
dc.subject | INARTICULATE BRACHIOPOD | |
dc.subject | δ13C | |
dc.title | TERRESTRIAL-MARINE CARBON CYCLE COUPLING IN ~500-M.Y.-OLD PHOSPHATIC BRACHIOPODS | |
dc.type | Статья | |
dc.identifier.doi | 10.1130/G21434AR.1 | |
dc.subject.age | Paleozoic::Cambrian |
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