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  • PANGAEA  (8)
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  • 1
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    (Table 3) Estimated ages of biostratigraphic events in DSDP Hole 73-519 in the South Atlantic Ocean
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 73-519; Age, dated; Age, paleomagnetic; Ageprofile Datum Description; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Leg73; Sample code/label; South Atlantic/RIDGE
    Type: Dataset
    Format: text/tab-separated-values, 60 data points
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    DATA PANGAEA
  • 2
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    (Table 1) Paleomagnetic control points of DSDP Hole 73-519 in the South Atlantic Ocean
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 73-519; Age model; Ageprofile Datum Description; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Leg73; Sample code/label; South Atlantic/RIDGE
    Type: Dataset
    Format: text/tab-separated-values, 21 data points
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    DATA PANGAEA
  • 3
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    (Table 3) Numerical ages of foraminiferal datum levels at DSDP Leg 73 Holes
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 73-519; 73-521; 73-522; 73-523; 73-524; AGE; Age model; Ageprofile Datum Description; Chronozone; Comment; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Elevation of event; Event label; Glomar Challenger; Latitude of event; Leg73; Longitude of event; Quality code; South Atlantic/CANYON; South Atlantic/HILL; South Atlantic/PLATEAU; South Atlantic/RIDGE
    Type: Dataset
    Format: text/tab-separated-values, 100 data points
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    DATA PANGAEA
  • 4
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    (Table 2) Numerical ages of Paleogene nannofossil zonal boundaries at DSDP Leg 73 Holes
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 73-522; 73-522A; 73-523; 73-524; AGE; Age, maximum/old; Age, minimum/young; Age model; Ageprofile Datum Description; Chronozone; Comment; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Elevation of event; Event label; Glomar Challenger; Latitude of event; Leg73; Longitude of event; Nannofossil zone; Quality code; South Atlantic/CANYON; South Atlantic/PLATEAU
    Type: Dataset
    Format: text/tab-separated-values, 142 data points
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    DATA PANGAEA
  • 5
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    Late Cretaceous-Cenozoic magnetostratigraphic and biostratigraphic correlation of DSDP Hole 73-519 in the South Atlantic
    PANGAEA
    In:  Supplement to: Poore, Richard Z; Tauxe, Lisa; Percival, Stephen F Jr; LaBrecque, John L; Wright, Ramil; Petersen, Nikolai P; Smith, Charles C; Tucker, Peter; Hsü, Kenneth J (1983): Late Cretaceous-Cenozoic magnetostratigraphic and biostratigraphic correlations of the South Atlantic Ocean: DSDP Leg 73. Palaeogeography, Palaeoclimatology, Palaeoecology, 42(1-2), 127-149, https://doi.org/10.1016/0031-0182(83)90041-X
    Details
    Publication Date: 2023-06-27
    Description: DSDP Leg 73 sediment cores allow direct calibrations of magnetostratigraphy and biostratigraphy for much of the latest Cretaceous to Cenozoic in the mid-latitude South Atlantic Ocean. A complete record of the Cenozoic was not obtained, however, because strong dissolution, poor core recovery and intense core disturbance have masked the biostratigraphy or magnetostratigraphy over some intervals of all recovered sections. DSDP Leg 73 results show the following correlations: Early/middle Miocene in Chron 16 Oligocene/Miocene within Subchron C6CN Eocene/Oligocene within Subchron C13R Middle/late Eocene top of Chron C17 Early/late Paleocene top of Subchron C27N Cretaceous/Tertiary within Subchron C29R
    Keywords: 73-519; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg73; South Atlantic/RIDGE
    Type: Dataset
    Format: application/zip, 2 datasets
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    DATA PANGAEA
  • 6
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    Numerical ages of magnetostratigraphically calibrated biostratigraphic zones at DSDP Leg 73 Holes
    PANGAEA
    In:  Supplement to: Hsü, Kenneth J; Percival, Stephen F Jr; Wright, Ramil; Petersen, Nikolai P (1984): Numerical ages of magnetostratigraphically calibrated biostratigraphic zones. In: Hsü, KJ; LaBrecque, JL; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 73, 623-635, https://doi.org/10.2973/dsdp.proc.73.124.1984
    Details
    Publication Date: 2023-06-27
    Description: Most Cenozoic nannofossil and many foraminiferal zonal boundaries have been accurately determined and magnetostratigraphically calibrated at five Leg 73 boreholes. The numerical ages of the boundaries were computed by assuming a linear seafloor spreading rate and a radiometric age of 66.5 m.y. for the Cretaceous/Tertiary boundary. Alternative magnetostratigraphic ages (given below in parentheses) were obtained by adopting a 63.5 m.y. age for the Cenozoic. Our data confirm previous determinations of the Pleistocene/Pliocene boundary at 1.8 (1.7) m.y. and of the Pliocene/ Miocene boundary at 5.1 (5.0) m.y. The Miocene/Oligocene boundary is placed within Chron C-6C and has a magnetostratigraphic age of 23.8 to 24.0 (22.7 to 22.9) m.y. The Oligocene/Eocene boundary is also very precisely located within Chron C-13-R, with a magnetostratigraphic age of 37.1 to 37.2 (35.5 to 35.6) m.y. The Eocene/Paleocene boundary should be located within an uncored interval of Chron C-24 and have a magnetostratigraphic age of 59.0 (55.4) +/- 0.2 m.y. The general accord of the magnetostratigraphic and radiometric ages supports the hypothesis that the seafloor spreading rate was linear during the Cenozoic. Two possible exceptions are noted: the middle Miocene radiometric ages are a few million years older, and the early Eocene radiometric ages are several million years younger, than the corresponding magnetostratigraphic ages.
    Keywords: 73-519; 73-521; 73-521A; 73-522; 73-522A; 73-523; 73-524; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg73; South Atlantic/CANYON; South Atlantic/HILL; South Atlantic/PLATEAU; South Atlantic/RIDGE
    Type: Dataset
    Format: application/zip, 3 datasets
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    DATA PANGAEA
  • 7
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    (Table 1) Numerical ages of Neogene nannofossil zonal boundaries at DSDP Leg 73 Holes
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 73-519; 73-521; 73-521A; 73-522; AGE; Age model; Ageprofile Datum Description; Chronozone; Comment; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Elevation of event; Event label; Glomar Challenger; Latitude of event; Leg73; Longitude of event; Nannofossil zone; Quality code; South Atlantic/HILL; South Atlantic/PLATEAU; South Atlantic/RIDGE
    Type: Dataset
    Format: text/tab-separated-values, 168 data points
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  • 8
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    (Table 1) Stable-isotopes for foraminifers at DSDP Holes 3-16 and 73-519
    PANGAEA
    In:  Supplement to: McKenzie, Judith A; Weissert, Helmut J; Poore, Richard Z; Wright, Ramil; Percival, Stephen F Jr; Oberhänsli, Hedi; Casey, Martin (1984): Paleoceanographic implications of stable-isotope data from upper Miocene–lower Pliocene sediments from the Southeast Atlantic (Deep Sea Drilling Project Site 519). In: Hsü, KJ; LaBrecque, JL; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 73, 717-724, https://doi.org/10.2973/dsdp.proc.73.132.1984
    Details
    Publication Date: 2023-06-27
    Description: A stable-isotope stratigraphy was established for planktonic and benthic foraminifers from upper Miocene-lower Pliocene pelagic sediments from the Mid-Atlantic Ridge. A correlation of stable-isotope and biostratigraphic data with magnetostratigraphic age revealed the following: (1) the late Miocene carbon-isotope shift in the South Atlantic bottom waters was minute compared with the shift reported for other deep-sea locations (Haq et al., 1980), (2) a significant cooling or continental ice-volume increase occurred between 5.7 and 5.2 Ma, and (3) a period of warming or ice-volume decrease followed, with the rate of warming increasing beginning at 4.5 Ma and reaching a climax at 4.3 Ma. The timing of these paleoceanographic events is correlated with the onset and termination of the Messinian salinity crisis in the Mediterranean Sea.
    Keywords: 3-16; 73-519; 73-521; AGE; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Elevation of event; Event label; Glomar Challenger; Latitude of event; Leg3; Leg73; Longitude of event; Mass spectrometer VG Micromass 903; Nuttallides umbonifera, δ13C; Nuttallides umbonifera, δ18O; Orbulina universa, δ13C; Orbulina universa, δ18O; Oridorsalis umbonatus, δ13C; Oridorsalis umbonatus, δ18O; Planulina wuellerstorfi, δ13C; Planulina wuellerstorfi, δ18O; Sample code/label; South Atlantic/HILL; South Atlantic/RIDGE
    Type: Dataset
    Format: text/tab-separated-values, 373 data points
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    DATA PANGAEA
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