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Alcalá-Herrera, Javier A; Grossman, Ethan L; Gartner, Stefan (1992): (Appendix) Stable carbon and oxygen isotope ratios of fine-fraction sediments across the Cretaceous/Tertiary boundary of DSDP Hole 74-527 from Walvis Ridge, South Atlantic. PANGAEA, https://doi.org/10.1594/PANGAEA.683528, In supplement to: Alcalá-Herrera, JA et al. (1992): Nannofossil diversity and equitability and fine-fraction d13C across the Cretaceous/Tertiary boundary at Walvis Ridge Leg 74, South Atlantic. Marine Micropaleontology, 20(1), 77-88, https://doi.org/10.1016/0377-8398(92)90010-H

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Project(s):
Coverage:
Latitude: -28.041500 * Longitude: 1.763300
Date/Time Start: 1980-06-28T00:00:00 * Date/Time End: 1980-06-28T00:00:00
Minimum DEPTH, sediment/rock: 267.26 m * Maximum DEPTH, sediment/rock: 296.15 m
Event(s):
74-527 * Latitude: -28.041500 * Longitude: 1.763300 * Date/Time: 1980-06-28T00:00:00 * Elevation: -4428.0 m * Penetration: 384.5 m * Recovery: 243.4 m * Location: South Atlantic * Campaign: Leg74 * Basis: Glomar Challenger * Device: Drilling/drill rig (DRILL) * Comment: 43 cores; 380 m cored; 4.5 m drilled; 64.1 % recovery
Comment:
Ages were obtained using the magnetostratigraphy data reported by Chave (1984) and age interpretation made by Shackleton and Hall (1984). The K/T boundary is assumed to have an absolute age of 64.5 Ma. based on recent precise determinations of the age of the K/T boundary (Izett et al., 1991).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1DEPTH, sediment/rockDepthmGeocode
2AGEAgeka BPGeocode
3delta 13C, carbonated13C carbper mil PDBAlcalá-Herrera, Javier A2-63 µm size fraction, mainly formed by calcareous nannoplankton
4delta 18O, carbonated18O carbper mil PDBAlcalá-Herrera, Javier A2-63 µm size fraction, mainly formed by calcareous nannoplankton
Size:
52 data points

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