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  • Ocean Drilling Program; ODP  (2)
  • 108-657A; 108-658A; 108-659A; 108-660A; 108-661A; 108-662A; 108-664D; 108-665A; 108-666A; 108-667A; 108-668B; Canarias Sea; DRILL; Drilling/drill rig; Joides Resolution; Leg108; Ocean Drilling Program; ODP; South Atlantic Ocean  (1)
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  • 1
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    Unknown
    Stable oxygen isotopes of late Quaternary sediments (1997)
    PANGAEA
    In:  Supplement to: Raymo, Maureen E (1997): The timing of major climate terminations. Paleoceanography, 12(4), 577-585, https://doi.org/10.1029/97PA01169
    Details
    Publication Date: 2024-01-09
    Description: A simple, untuned "constant sedimentation rate" timescale developed using three radiometric age constraints and eleven d18O records longer than 0.8 Myr provides strong support for the validity of the SPECMAP timescale of the late Quaternary (Imbrie et al., 1984). In particular, the present study independently confirms the link between major deglaciations (terminations) and increases in northern hemisphere summer radiation at high latitudes and shows that this correlation is not an artifact of orbital tuning. In addition, the excess ice characteristic of late Quaternary "100-kyr" climate cycles typically accumulates when July insolation at 65°N has been unusually low for more than a full precessional cycle, or 〉21 kyr, and once established does not last beyond the next increase in summer insolation. Thus, the timing of the growth and decay of large 100-kyr ice sheets, as depicted in the deep sea d18O record, is strongly (and semipredictably) influenced by eccentricity through its modulation of the orbital precession component of northern hemisphere summer insolation.
    Keywords: Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 5 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Late Miocene to Holocene planktonic foraminifers from ODP Leg 108 holes (1989)
    PANGAEA
    In:  Supplement to: Weaver, Philip PE; Raymo, Maureen E (1989): Late Miocene to Holocene Ppanktonic foraminifers from the equatorial Atlantic, Leg 108. In: Ruddiman, W; Sarnthein, M; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 108, 71-91, https://doi.org/10.2973/odp.proc.sr.108.130.1989
    Details
    Publication Date: 2024-01-09
    Description: Planktonic foraminifers were examined from 27 holes situated at 12 separate sites in the tropical Atlantic. The sites are located in various environments, including areas of upwelling, areas affected by cool currents, areas of strong dissolution, and areas that show little dissolution in warm-water settings. Paleomagnetic results were variable at these sites, but accumulation rate curves have been produced by combining the existing paleomagnetic data with the available microfaunal data. Determinations of the ages of the planktonic foraminifer datums from these accumulation rate curves show some species to be strongly diachronous, while others provide good stratigraphic markers. The warmest water sites with the least dissolution show the most complete ranges of species.
    Keywords: 108-657A; 108-658A; 108-659A; 108-660A; 108-661A; 108-662A; 108-664D; 108-665A; 108-666A; 108-667A; 108-668B; Canarias Sea; DRILL; Drilling/drill rig; Joides Resolution; Leg108; Ocean Drilling Program; ODP; South Atlantic Ocean
    Type: Dataset
    Format: application/zip, 16 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 3
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    Grain characteristics and XRD raw data of ODP Sites 162-981 and 162-984 (1999)
    PANGAEA
    In:  Supplement to: Carter, Susan J; Raymo, Maureen E (1999): Sedimentological and mineralogical control of multisensor track data at Sites 981 and 984. In: Raymo, ME; Jansen, E; Blum, P; Herbert, TD (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 162, 1-11, https://doi.org/10.2973/odp.proc.sr.162.022.1999
    Details
    Publication Date: 2024-01-09
    Description: Multisensor track data, including magnetic susceptibility, gamma-ray attenuation porosity evaluator (GRAPE) wet bulk density, and natural gamma emission, were collected on all cores recovered during Ocean Drilling Program Leg 162. Data from the upper Pliocene and lower Pleistocene of Sites 981 and 984 are here compared to results from analyses of a limited set of discrete samples, including benthic foraminiferal isotopic composition, grain size, carbonate content, abundance of foraminifers and lithic particles, and clay mineralogy. Natural gamma emission most closely monitors the input of felsic terrigenous material to these two sites. Magnetic susceptibility also tracks felsic terrigenous input at Site 981 but appears to reflect a separate, more mafic, terrigenous component at Site 984. The GRAPE record does not correlate well with any discretely measured variable at Sites 981 or 984.
    Keywords: Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
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