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Röhl, Ursula; Westerhold, Thomas; Bralower, Timothy J; Zachos, James C (2007): Barium intensities and tie points between holes of Leg 208. PANGAEA, https://doi.org/10.1594/PANGAEA.667443, Supplement to: Röhl, U et al. (2007): On the duration of the Paleocene - Eocene Thermal Maximum (PETM). Geochemistry, Geophysics, Geosystems, 8(12), Q12002, https://doi.org/10.1029/2007GC001784

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Abstract:
The Paleocene - Eocene thermal maximum (PETM) is one of the best known examples of a transient climate perturbation, associated with a brief, but intense, interval of global warming and a massive perturbation of the global carbon cycle from injection of isotopically light carbon into the ocean-atmosphere system. One key to quantifying the mass of carbon released, identifying the source(s), and understanding the ultimate fate of this carbon is to develop high-resolution age models. Two independent strategies have been employed, cycle stratigraphy and analysis of extraterrestrial Helium (HeET), both of which were first tested on Ocean Drilling Program (ODP) Site 690. Both methods are in agreement for the onset of the PETM and initial recovery, or the clay layer (“main body”), but seem to differ in the final recovery phase of the event above the clay layer, where the carbonate contents rise and carbon isotope values return toward background values. Here we present a state-of-the-art age model for the PETM derived from a new orbital chronology developed with cycle stratigraphic records from sites drilled during ODP Leg 208 (Walvis Ridge, Southeastern Atlantic) integrated with published records from Site 690 (Weddell Sea, Southern Ocean, ODP Leg 113). During Leg 208, five Paleocene – Eocene (P-E) boundary sections (Sites 1262 to 1267) were recovered in multiple holes over a depth transect of more than 2200 m at the Walvis Ridge yielding the first stratigraphically complete P-E deep-sea sequence with moderate to relatively high sedimentation rates (1 to 3 cm/kyr). A detailed chronology was developed with non-destructive X-ray fluorescence (XRF) core scanning records on the scale of precession cycles, with a total duration of the PETM now estimated to be ~ 170 kyr. The revised cycle stratigraphic record confirms original estimates for the duration of the onset and initial recovery, but suggests a new duration for the final recovery that is intermediate to the previous estimates by cycle stratigraphy and HeET.
Coverage:
Median Latitude: -39.045227 * Median Longitude: 1.865212 * South-bound Latitude: -65.161000 * West-bound Longitude: 1.204867 * North-bound Latitude: -27.185833 * East-bound Longitude: 2.779567
Date/Time Start: 1987-01-19T00:00:00 * Date/Time End: 2003-04-26T00:00:00
Event(s):
113-690 * Latitude: -65.160667 * Longitude: 1.204867 * Date/Time Start: 1987-01-19T00:00:00 * Date/Time End: 1987-01-23T00:00:00 * Elevation: -2925.0 m * Penetration: 542.3 m * Recovery: 401.7 m * Location: South Atlantic Ocean * Campaign: Leg113 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 49 cores; 421.7 m cored; 0 m drilled; 95.3% recovery
113-690B * Latitude: -65.161000 * Longitude: 1.204900 * Date/Time Start: 1987-01-20T03:15:00 * Date/Time End: 1987-01-21T07:00:00 * Elevation: -2925.0 m * Penetration: 213.4 m * Recovery: 214.75 m * Location: South Atlantic Ocean * Campaign: Leg113 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 25 cores; 213.4 m cored; 0 m drilled; 100.6 % recovery
208-1262 * Latitude: -27.185833 * Longitude: 1.577000 * Date/Time Start: 2003-03-24T00:00:00 * Date/Time End: 2003-03-29T00:00:00 * Elevation: -4755.4 m * Penetration: 583.9 m * Recovery: 502.5 m * Location: Walvis Ridge, Southeast Atlantic Ocean * Campaign: Leg208 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 54 cores; 493.9 m cored; 90 m drilled; 101.7 % recovery
Size:
17 datasets

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Datasets listed in this publication series

  1. Röhl, U; Westerhold, T; Bralower, TJ et al. (2007): (Table S5) Barium intensities of the measured split core sediment surface area from XRF core scanning of Site 1263 splice. https://doi.org/10.1594/PANGAEA.667172
  2. Röhl, U; Westerhold, T (2007): (Table S5a) Calcium (Ca) and Iron (Fe) intensities of the measured split core sediment surface area from XRF core scanning of Site 1263 splice. https://doi.org/10.1594/PANGAEA.737023
  3. Röhl, U (2007): (Table 1) Carbon isotope and barium tie points from ODP Site 690 used for correlation to the Leg 208 P-E boundary sections. https://doi.org/10.1594/PANGAEA.667143
  4. Röhl, U (2007): (Table 2) Carbon isotope tie points from ODP Site 690 and assigned ages used for correlation and dating the Leg 208 P-E boundary sections. https://doi.org/10.1594/PANGAEA.667168
  5. Röhl, U (2007): (Table 3) Paleocene-Eocene thermal maximum (PETM) age model. https://doi.org/10.1594/PANGAEA.700907
  6. Röhl, U (2007): (Table S1) Mapping pairs to adjust particular core sections to the spliced sections / Site 1262 - to adjust Core 13A-6 to splice. https://doi.org/10.1594/PANGAEA.667148
  7. Röhl, U (2007): (Table S1) Mapping pairs to adjust particular core sections to the spliced sections / Site 1265 - to adjust Core D4 to splice. https://doi.org/10.1594/PANGAEA.667150
  8. Röhl, U (2007): (Table S1) Mapping pairs to adjust particular core sections to the spliced sections / Site 1267 - to adjust Core 22A to splice. https://doi.org/10.1594/PANGAEA.667151
  9. Röhl, U (2007): (Table S2) Barium tie points of Site 208-1262 P-E boundary sections to correlate to Site 1263. https://doi.org/10.1594/PANGAEA.667152
  10. Röhl, U (2007): (Table S2) Barium tie points of Site 208-1265 P-E boundary sections to correlate to Site 1263. https://doi.org/10.1594/PANGAEA.667154
  11. Röhl, U (2007): (Table S2) Barium tie points of Site 208-1266 P-E boundary sections to correlate to Site 1263. https://doi.org/10.1594/PANGAEA.667155
  12. Röhl, U (2007): (Table S2) Barium tie points of Site 208-1267 P-E boundary sections to correlate to Site 1263. https://doi.org/10.1594/PANGAEA.667157
  13. Röhl, U (2007): (Table S3) Barium intensities of the measured split core sediment surface area from XRF core scanning of Site 690. https://doi.org/10.1594/PANGAEA.667169
  14. Röhl, U (2007): (Table S3a) Calcium (Ca) and Iron (Fe) intensities of the measured split core sediment surface area from XRF core scanning of Site 690. https://doi.org/10.1594/PANGAEA.737022
  15. Röhl, U (2007): (Table S4) Ba intensities of the measured split core sediment surface area from XRF core scanning of Site 1262 splice. https://doi.org/10.1594/PANGAEA.667171
  16. Röhl, U (2007): (Table S6) Barium intensities of the measured split core sediment surface area from XRF core scanning of Site 1265 splice. https://doi.org/10.1594/PANGAEA.667173
  17. Röhl, U (2007): (Table S7) Barium intensities of the measured split core sediment surface area from XRF core scanning of Site 1267 splice. https://doi.org/10.1594/PANGAEA.667174