Mearon, Sarah; Paytan, Adina; Bralower, Timothy J (2003): Sr stratigraphy and biostratigraphy for samples from DSDP Hole 32-305 and ODP Hole 123-766A [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.723906, Supplement to: Mearon, S et al. (2003): Cretaceous strontium isotope stratigraphy using marine barite. Geology, 31(1), 15-18, https://doi.org/10.1130/0091-7613(2003)031%3C0015:CSISUM%3E2.0.CO;2
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Abstract:
The strontium isotope ratios (87Sr/86Sr) of marine barite microcrystals separated from Cretaceous sedimentary deposits from Ocean Drilling Program and Deep Sea Drilling Project sites from the Pacific and Indian Oceans have been compared to the composite Sr isotope curve of McArthur et al. The barite in these cores accurately recorded the seawater 87Sr/86Sr ratio, thereby reaffirming the composite Cretaceous strontium curve. Moreover, marine barite is a more reliable recorder of 87Sr/86Sr than is carbonate in sedimentary deposits with high clay content, thereby providing an opportunity for Sr isotope stratigraphy and dating in carbonate-poor or diagenetically altered sections. We have used the barite-derived Sr isotope record to refine the biostratigraphic age models of the sites investigated.
Other version:
Table DR1 - Sr stratigraphy and biostratigraphy for samples from Site 305 and Site 766 [dataset]. ftp://rock.geosociety.org/pub/reposit/2003/2003002.pdf
Project(s):
Deep Sea Drilling Project (DSDP)
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 6.035100 * Median Longitude: 134.152050 * South-bound Latitude: -19.932000 * West-bound Longitude: 110.454100 * North-bound Latitude: 32.002200 * East-bound Longitude: 157.850000
Date/Time Start: 1973-08-29T00:00:00 * Date/Time End: 1988-10-26T00:00:00
Event(s):
32-305 * Latitude: 32.002200 * Longitude: 157.850000 * Date/Time: 1973-08-29T00:00:00 * Elevation: -2903.0 m * Penetration: 640.5 m * Recovery: 212.2 m * Location: North Pacific/CONT RISE * Campaign: Leg32 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 67 cores; 622 m cored; 9 m drilled; 34.1 % recovery
123-766A * Latitude: -19.932000 * Longitude: 110.454100 * Date/Time Start: 1988-10-19T20:45:00 * Date/Time End: 1988-10-26T00:00:00 * Elevation: -4008.0 m * Penetration: 527.2 m * Recovery: 347.49 m * Location: South Indian Ridge, South Indian Ocean * Campaign: Leg123 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 55 cores; 527.2 m cored; 0 m drilled; 65.9 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets
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Datasets listed in this publication series
- Mearon, S; Paytan, A; Bralower, TJ (2003): (Table DR1) Sr stratigraphy and biostratigraphy for samples from DSDP Hole 32-305. https://doi.org/10.1594/PANGAEA.723905
- Mearon, S; Paytan, A; Bralower, TJ (2003): (Table DR1) Sr stratigraphy and biostratigraphy for samples from ODP Hole 123-766A. https://doi.org/10.1594/PANGAEA.723904