Abstract
High-resolution carbon isotope composite curve for the Permian system; implications for organic carbon burial and global climate
Abstracts with programs - Geological Society of America, Vol.41(7), p.683
Geological Society of America, 2009 annual meeting
10/2009
Abstract
More than 1,000 marine carbonate carbon isotope (alpha (super 13) C (sub carb) ) samples from two measured sections in the Pequop Mountains, Nevada, USA and one section at Tieqiao, near Laibin, Guangxi Province, China were analyzed to create a biostratigraphically well-constrained, high-resolution composite delta (super 13) C (sub carb) curve for the Permian System. Samples were collected in conjunction with conodont biostratigraphic sampling and from sections with well-established foraminiferal biostratigraphic control. The high-resolution data presented here demonstrate that there is significant structure to the Permian alpha (super 13) C (sub carb) curve, including both discrete positive and negative delta (super 13) C (sub carb) excursions. Because previously published Permian delta (super 13) C (sub carb) curves are of relatively low resolution compared to our work, particularly for the Cisuralian and Guadalupian series, many of the events from these intervals identified by this study remain to be demonstrated elsewhere, and require verification before they can be demonstrated to be global events. However, some of the events from the uppermost Guadalupian and Lopingian identified here have been documented from other localities, which supports the global significance of these events. This delta (super 13) C (sub carb) record has the potential to act as a powerful stratigraphic tool for correlation in the Permian. Additionally, our new curve may be used to evaluate the relative timing of changes in carbon cycling with respect to oceanographic and climatologic events.
Details
- Title: Subtitle
- High-resolution carbon isotope composite curve for the Permian system; implications for organic carbon burial and global climate
- Creators
- Kate E Tierney - Ohio State University, School of Earth Sciences Columbus, OH USA United StatesYan JiaxinAxel MunneckeCharles HendersonV. I DavydovBradley D CramerMatthew R Saltzman
- Resource Type
- Abstract
- Publication Details
- Abstracts with programs - Geological Society of America, Vol.41(7), p.683
- Conference
- Geological Society of America, 2009 annual meeting
- Publisher
- Geological Society of America (GSA)
- ISSN
- 0016-7592
- Alternative title
- Geological Society of America, 2009 annual meeting
- Language
- English
- Date published
- 10/2009
- Academic Unit
- Earth and Environmental Sciences; Office Of The Provost; International Programs
- Record Identifier
- 9984240909702771
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