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  • 113-690B; 171-1051A; 171-1051B; 80-550; 86-577; Blake Nose, North Atlantic Ocean; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Joides Resolution; Leg113; Leg171B; Leg80; Leg86; North Atlantic/PLAIN; North Pacific; Ocean Drilling Program; ODP; South Atlantic Ocean  (1)
  • 120-747A; 120-747C; 120-748B; 120-748C; 120-749B; 120-749C; DRILL; Drilling/drill rig; Joides Resolution; Leg120; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean  (1)
  • 120-747C; Biscutum constans; Chiasmolithus altus; Chiasmolithus bidens; Chiasmolithus consuetus; Chiasmolithus danicus; Chiasmolithus eograndis; Chiasmolithus expansus; Chiasmolithus grandis; Chiasmolithus oamaruensis; Chiasmolithus solitus; Chiasmolithus titus; Clausicoccus subdistichus; Clausicoccus vanheckae; Coccolithus crassus; Comment; Cruciplacolithus edwardsii; Cruciplacolithus primus; Cruciplacolithus tenuis; DEPTH, sediment/rock; Discoaster barbadiensis; Discoaster binodosus; Discoaster cruciformis; Discoaster diastypus; Discoaster kuepperi; Discoaster lodoensis; Discoaster mohleri; Discoaster multiradiatus; Discoaster pacificus; Discoaster robustus; Discoaster saipanensis; Discoaster tanii; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Ellipsolithus distichus; Ellipsolithus macellus; Epoch; Ericsonia formosa; Ericsonia subpertusa; Fasciculithus tympaniformis; Helicosphaera lophota; Heliolithus kleinpellii; Heliolithus riedelii; Hornibrookina teuriensis; Isthmolithus recurvus; Joides Resolution; Lanternithus minutus; Leg120; Markalius inversus; Nannofossil abundance; Nannofossils, reworked cretaceous; Nannofossils preservation; Nannofossil zone; Neochiastozygus junctus; Neococcolithes dubius; Ocean Drilling Program; ODP; Pedinocyclus larvalis; Placozygus sigmoides; Pontosphaera fimbriata; Prinsius bisulcus; Prinsius martinii; Reticulofenestra bisecta; Reticulofenestra floridana; Reticulofenestra hampdenensis; Reticulofenestra hesslandii; Reticulofenestra hillae; Reticulofenestra oamaruensis; Reticulofenestra umbilicus; Rhabdolithus tenuis; Sample code/label; Smear slide analysis; South Indian Ridge, South Indian Ocean; Sphenolithus moriformis; Sphenolithus primus; Sphenolithus radians; Thoracosphaera spp.; Toweius callosus; Toweius eminens; Toweius gammation; Toweius magnicrassus; Toweius pertusus; Tribrachiatus orthostylus; Zygrhablithus bijugatus  (1)
Document type
Keywords
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Years
  • 1
    facet.materialart.
    Unknown
    PANGAEA
    In:  Supplement to: Aubry, Marie-Pierre (1992): Paleogene calcareous nannofossils from the Kerguelen Plateau, Leg 120. In: Wise, SW; Schlich, R; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 120, 471-491, https://doi.org/10.2973/odp.proc.sr.120.149.1992
    Publication Date: 2024-01-09
    Description: Calcareous nannofossils are abundant in the Paleogene sediments recovered during Ocean Drilling Program Leg 120. Although no continuous Paleogene section was obtained, Sites 747 through 751 complemented each other so as to provide a virtually complete composite stratigraphic section. The calcareous nannofossil biostratigraphy at Sites 747, 748, and 749 is discussed. Correlation of calcareous nannofossil biozones and magnetozones at these sites suggests some diachrony with low-latitude areas, as well as on a regional basis. Changes in calcareous nannofossil diversity throughout the Paleogene are analyzed and interpreted as reflecting major paleoclimatic events.
    Keywords: 120-747A; 120-747C; 120-748B; 120-748C; 120-749B; 120-749C; DRILL; Drilling/drill rig; Joides Resolution; Leg120; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
    Type: Dataset
    Format: application/zip, 5 datasets
    Location Call Number Limitation Availability
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  • 2
    Publication Date: 2024-01-09
    Keywords: 120-747C; Biscutum constans; Chiasmolithus altus; Chiasmolithus bidens; Chiasmolithus consuetus; Chiasmolithus danicus; Chiasmolithus eograndis; Chiasmolithus expansus; Chiasmolithus grandis; Chiasmolithus oamaruensis; Chiasmolithus solitus; Chiasmolithus titus; Clausicoccus subdistichus; Clausicoccus vanheckae; Coccolithus crassus; Comment; Cruciplacolithus edwardsii; Cruciplacolithus primus; Cruciplacolithus tenuis; DEPTH, sediment/rock; Discoaster barbadiensis; Discoaster binodosus; Discoaster cruciformis; Discoaster diastypus; Discoaster kuepperi; Discoaster lodoensis; Discoaster mohleri; Discoaster multiradiatus; Discoaster pacificus; Discoaster robustus; Discoaster saipanensis; Discoaster tanii; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Ellipsolithus distichus; Ellipsolithus macellus; Epoch; Ericsonia formosa; Ericsonia subpertusa; Fasciculithus tympaniformis; Helicosphaera lophota; Heliolithus kleinpellii; Heliolithus riedelii; Hornibrookina teuriensis; Isthmolithus recurvus; Joides Resolution; Lanternithus minutus; Leg120; Markalius inversus; Nannofossil abundance; Nannofossils, reworked cretaceous; Nannofossils preservation; Nannofossil zone; Neochiastozygus junctus; Neococcolithes dubius; Ocean Drilling Program; ODP; Pedinocyclus larvalis; Placozygus sigmoides; Pontosphaera fimbriata; Prinsius bisulcus; Prinsius martinii; Reticulofenestra bisecta; Reticulofenestra floridana; Reticulofenestra hampdenensis; Reticulofenestra hesslandii; Reticulofenestra hillae; Reticulofenestra oamaruensis; Reticulofenestra umbilicus; Rhabdolithus tenuis; Sample code/label; Smear slide analysis; South Indian Ridge, South Indian Ocean; Sphenolithus moriformis; Sphenolithus primus; Sphenolithus radians; Thoracosphaera spp.; Toweius callosus; Toweius eminens; Toweius gammation; Toweius magnicrassus; Toweius pertusus; Tribrachiatus orthostylus; Zygrhablithus bijugatus
    Type: Dataset
    Format: text/tab-separated-values, 3508 data points
    Location Call Number Limitation Availability
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  • 3
    facet.materialart.
    Unknown
    PANGAEA
    In:  Supplement to: Cramer, Benjamin S; Wright, James D; Kent, Dennis V; Aubry, Marie-Pierre (2003): Orbital climate forcing of d13C excursions in the late Paleocene-early Eocene (chrons C24n–C25n). Paleoceanography, 18(4), 1097, https://doi.org/10.1029/2003PA000909
    Publication Date: 2024-01-09
    Description: High-resolution stable carbon isotope records for upper Paleocene - lower Eocene sections at Ocean Drilling Program Sites 1051 and 690 and Deep Sea Drilling Project Sites 550 and 577 show numerous rapid (40 - 60 kyr duration) negative excursions of up to 1 per mill. We demonstrate that these transient decreases are the expected result of nonlinear insolation forcing of the carbon cycle in the context of a long carbon residence time. The transients occur at maxima in Earth's orbital eccentricity, which result in high-amplitude variations in insolation due to forcing by climatic precession. The construction of accurate orbital chronologies for geologic sections older than ~ 35 Ma relies on identifying a high-fidelity recorder of variations in Earth's orbital eccentricity. We use the carbon isotope records as such a recorder, establishing a robust orbitally tuned chronology for latest Paleocene-earliest Eocene events. Moreover, the transient decreases provide a means of precise correlation among the four sites that is independent of magnetostratigraphic and biostratigraphic data at the 〈10^5-year scale. While the eccentricity-controlled transient decreases bear some resemblance to the much larger-amplitude carbon isotope excursion (CIE) that marks the Paleocene/Eocene boundary, the latter event is found to occur near a minimum in the ~400-kyr eccentricity cycle. Thus the CIE occurred during a time of minimal variability in insolation, the dominant mechanism for forcing climate change on 104-year scales. We argue that this is inconsistent with mechanisms that rely on a threshold climate event to trigger the Paleocene/Eocene thermal maximum since any threshold would more likely be crossed during a period of high-amplitude climate variations.
    Keywords: 113-690B; 171-1051A; 171-1051B; 80-550; 86-577; Blake Nose, North Atlantic Ocean; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Joides Resolution; Leg113; Leg171B; Leg80; Leg86; North Atlantic/PLAIN; North Pacific; Ocean Drilling Program; ODP; South Atlantic Ocean
    Type: Dataset
    Format: application/zip, 5 datasets
    Location Call Number Limitation Availability
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