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  • 1
    Publication Date: 2023-12-07
    Keywords: 43-386; Age model; Age model, biostratigraphy; Ageprofile Datum Description; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg43; North Atlantic/CONT RISE; Reference/source
    Type: Dataset
    Format: text/tab-separated-values, 24 data points
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  • 2
    Publication Date: 2023-12-07
    Keywords: 43-386; AGE; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Leg43; Neodymium-143/Neodymium-144 ratio; North Atlantic/CONT RISE; Samarium-147/Neodymium-144 ratio; Sample code/label; ε-Neodymium, standard deviation; ε-Neodymium (0); ε-Neodymium (T)
    Type: Dataset
    Format: text/tab-separated-values, 78 data points
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  • 3
    Publication Date: 2023-12-07
    Keywords: Calcium carbonate; Carbon, organic, total; Cerium; Cerium anomaly; DEPTH, sediment/rock; Dover_Marl; Lanthanum; Lanthanum/Praseodymium ratio; Neodymium; OAE2; Plenus Cold Event; Praseodymium; δ13C, carbonate; δ18O, carbonate; ε-Neodymium (T)
    Type: Dataset
    Format: text/tab-separated-values, 389 data points
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  • 4
    Publication Date: 2023-12-07
    Description: Geochemical data from Ocean Drilling Program Site 1138A, core 69, spanning the Cenomanian–Turonian boundary interval (~94 Ma). The data were generated from marine sediment in the archive half of the core, which was opened and sampled for this project following approval from the IODP curatorial advisory board. The data consist of: (i) Bulk organic geochemistry (total organic carbon, hydrogen and oxygen indexes, total inorganic carbon) measured by Rock Eval pyrolysis and coulormat titration; (ii) Bulk organic carbon isotopes, measured on decarbonated sediments; (iii) Bulk sediment elemental concentrations measured by ICP-MS; (iv) Bulk sediment molybdenum isotopes, measured by MC-ICP-MS; (v) n-alkane compound-specific carbon isotopes measured by GCMS-IRMS; (vi) Maceral assemblage compositions, measured by visual petrography.
    Keywords: 183-1138A; Aluminium; Carbon, mineral; Carbon, organic, total; Depth, corrected; DRILL; Drilling/drill rig; Hydrogen index, mass HC, per unit mass total organic carbon; Indian Ocean; Inductively coupled plasma - mass spectrometry (ICP-MS); Iron; Joides Resolution; Leg183; Lithium; Magnesium; major elements; Manganese; Measured on decarbonated sediments; Molybdenum; molybdenum isotopes; Multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS); Oceanic Anoxic Event 2; ODP Site 1138; Oxygen index, mass CO2, per unit mass total organic carbon; redox; Rock eval pyrolysis (Behar et al., 2001); Rubidium; Sample code/label; Sample comment; Sodium; Temperature, in rock/sediment, maximum; trace metals; Uranium; δ13C, organic carbon; δ98/95Mo; δ98/95Mo, error
    Type: Dataset
    Format: text/tab-separated-values, 1959 data points
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  • 5
    Publication Date: 2024-01-09
    Keywords: 210-1276A; AGE; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Joides Resolution; Leg210; Neodymium-143/Neodymium-144 ratio; Ocean Drilling Program; ODP; Samarium-147/Neodymium-144 ratio; Sample code/label; South Atlantic Ocean; ε-Neodymium, standard deviation; ε-Neodymium (0); ε-Neodymium (T)
    Type: Dataset
    Format: text/tab-separated-values, 132 data points
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  • 6
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    PANGAEA
    In:  Supplement to: Robinson, Stuart A; Jenkyns, Hugh C (2005): Data report: Opal and carbonate data from the Miocene to Lower Pliocene, Site 1208 (Central High, Shatsky Rise). In: Bralower, TJ; Premoli Silva, I; Malone, MJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 198, 1-7, https://doi.org/10.2973/odp.proc.sr.198.120.2005
    Publication Date: 2024-01-09
    Description: Weight percent opal and carbonate data are presented for the Miocene-Lower Pliocene interval at Site 1208 on Shatsky Rise. These data compare favorably with shipboard estimates and measurements. The opal and carbonate data confirm that the color cycles recognized in shipboard data are the result of fluctuations in carbonate content and are not related to opal productivity.
    Keywords: 198-1208A; Carbonates; Coulometrics Carbon Analyzer; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Joides Resolution; Leg198; North Pacific Ocean; Ocean Drilling Program; ODP; Opal, biogenic silica; Opal, extraction; Mortlock & Froelich, 1989; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 234 data points
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  • 7
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    PANGAEA
    In:  Supplement to: Robinson, Stuart A; Vance, Derek (2012): Widespread and synchronous change in deep-ocean circulation in the North and South Atlantic during the Late Cretaceous. Paleoceanography, 27(1), PA1102, https://doi.org/10.1029/2011PA002240
    Publication Date: 2024-01-09
    Description: Modern thermohaline circulation plays a role in latitudinal heat transport and in deep-ocean ventilation, yet ocean circulation may have functioned differently during past periods of extreme warmth, such as the Cretaceous. The Late Cretaceous (100-65 Ma) was an important period in the evolution of the North Atlantic Ocean, characterized by opening ocean gateways, long-term climatic cooling and the cessation of intermittent periods of anoxia (oceanic anoxic events, OAEs). However, how these phenomena relate to deep-water circulation is unclear. We use a proxy for deep-water mass composition (neodymium isotopes; e-Nd) to show that, at North Atlantic ODP Site 1276, deep waters shifted in the early Campanian (~78-83 Ma) from e-Nd values of ~-7 to values of ~-9, consistent with a change in the style of deep-ocean circulation but 〉10 Myr after a change in bottom water oxygenation conditions. A similar, but more poorly dated, trend exists in e-Nd data from DSDP Site 386. The Campanian e-Nd transition observed in the North Atlantic records is also seen in the South Atlantic and proto-Indian Ocean, implying a widespread and synchronous change in deep-ocean circulation. Although a unique explanation does not exist for the change at present, we favor an interpretation that invokes Late Cretaceous climatic cooling as a driver for the formation of Southern Component Water, which flowed northward from the Southern Ocean and into the North Atlantic and proto-Indian Oceans.
    Keywords: 210-1276A; DRILL; Drilling/drill rig; Joides Resolution; Leg210; Ocean Drilling Program; ODP; South Atlantic Ocean
    Type: Dataset
    Format: application/zip, 4 datasets
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  • 8
    Publication Date: 2024-04-25
    Keywords: 210-1276A; Age model; Age model, biostratigraphy; Ageprofile Datum Description; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Joides Resolution; Leg210; Ocean Drilling Program; ODP; Reference/source; South Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 48 data points
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  • 9
    Publication Date: 2011-01-01
    Description: The Paleocene-Eocene Thermal Maximum (PETM; ca. 55.8 Ma) is associated with a rapid and large carbon cycle perturbation, transient warming, and deep-sea acidification. Although this event is widely known from pelagic, hemipelagic, and continental records, the lack of in situ, shallow-water carbonate platform sections inhibits interpretations of whether the PETM had a significant effect on shallow-water carbonate ecosystems. Limalok Guyot (Ocean Drilling Program Site 871) in the Pacific Ocean comprises a volcanic pedestal topped by a Paleogene carbonate platform that drowned in the Middle Eocene. Carbon isotope stratigraphy of the platform carbonate sediments is used, in conjunction with existing biostratigraphy, to refine the stratigraphic framework of the carbonate platform. Although core recovery was poor, the major Late Paleocene-Middle Eocene stratigraphic trends in carbon isotopes are recognized, including a prominent [~]3{per thousand} negative carbon isotope excursion, recording the onset of the PETM. The lithological and paleontological record of the PETM on Limalok Guyot shows no major evidence for a carbonate production crisis, suggesting that the effects of any changes in temperatures or surface ocean pH were relatively short lived or relatively minor.
    Print ISSN: 0091-7613
    Electronic ISSN: 1943-2682
    Topics: Geosciences
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  • 10
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