Changes in organic carbon stable isotope ratios across the K/T boundary: global or local control?
dc.contributor.author | Meyers, Philip A. | en_US |
dc.date.accessioned | 2006-04-10T15:04:41Z | |
dc.date.available | 2006-04-10T15:04:41Z | |
dc.date.issued | 1992-09-25 | en_US |
dc.identifier.citation | Meyers, Philip A. (1992/09/25)."Changes in organic carbon stable isotope ratios across the K/T boundary: global or local control?." Chemical Geology 101(3-4): 283-291. <http://hdl.handle.net/2027.42/29837> | en_US |
dc.identifier.uri | http://www.sciencedirect.com/science/article/B6V5Y-4893TMM-C/2/20a17442ffc3396db615d289b4a3bbd5 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/29837 | |
dc.description.abstract | A global shift in carbonate carbon [delta]13C-values from heavier values in the Maastrichtian to lighter values in the early Danian indicates recycling of isotopically light organic carbon to inorganic carbon reservoirs during a period of depressed marine productivity. Comparison of organic carbon [delta]13-values from globally dispersed K/T sections does not show a similar, globally well-developed pattern. Several factors evidently overwhelm the potential impact of an isotopically lighter inorganic carbon source on organic matter isotopic signatures: (1) species changes in biological assemblages may modify the averaged isotopic fractionation of organic matter; and (2) shifts in the proportion of land/marine organic matter contributions to coastal marine locations may overprint the isotopic record. Local phenomena evidently outweigh global change in determining the isotope signature of organic carbon deposited in K/T boundary sections. | en_US |
dc.format.extent | 1056663 bytes | |
dc.format.extent | 3118 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.language.iso | en_US | |
dc.publisher | Elsevier | en_US |
dc.title | Changes in organic carbon stable isotope ratios across the K/T boundary: global or local control? | en_US |
dc.type | Article | en_US |
dc.rights.robots | IndexNoFollow | en_US |
dc.subject.hlbsecondlevel | Geology and Earth Sciences | en_US |
dc.subject.hlbsecondlevel | Chemistry | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Department of Geological Sciences, University of Michigan, Ann Arbor, MI 48109 | |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/29837/1/0000184.pdf | en_US |
dc.identifier.doi | http://dx.doi.org/10.1016/0009-2541(92)90008-S | en_US |
dc.identifier.source | Chemical Geology | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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