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  • 1995-1999  (1,634,650)
  • 1990-1994  (1,575,053)
Collection
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Year
  • 1
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    Grain size distribution of Oligocene and Miocene sediments from the Indus Fan (1991)
    PANGAEA
    In:  Supplement to: Weedon, Graham P; McCave, I Nick (1991): Mud turbidites from the Oligocene and Miocene indus fan at Sites 722 and 731 on the Owen Ridge. In: Prell, WL; Niitsuma, N; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 117, 216-220, https://doi.org/10.2973/odp.proc.sr.117.140.1991
    Details
    Publication Date: 2024-05-18
    Description: The Owen Ridge south of Oman represents oceanic crust that was uplifted by compressional tectonic forces in the early Miocene. Build-out of the Indus Fan led to deposition of a thick sequence of turbidites over the site of the Ridge during the late Oligocene and early Miocene. Early Miocene uplift of the Ridge led to a pelagic cap of nannofossil chalks. Two short sequences of turbidites from the pre- and syn-uplift phases were chosen for detailed grain size analysis. The upper Oligocene section at Site 731 is composed of thin (centimeter-decimeter scale) graded mud turbidites separated by relatively thick (decimeter-meter scale) intervals of homogeneous, non-bioturbated clayey siltstones. These finer intervals are unusually silt-rich (about 60%) for ungraded material and were probably deposited as undifferentiated muds from a series of turbidity current tails. By contrast, the lower Miocene section at Site 722 is comprised of a sequence of interbedded turbidites and hemipelagic carbonates. Sharp-based silt turbidites are overlain by burrow-mottled marly nannofossil chalks. The Oligocene sequence may have accumulated in an overbank setting on the middle fan - the local topographic position favoring frequent deposition from turbidity current tails and occasional deposition from the body of a turbidity flow. Uplift of the Ridge in the early Miocene led to pelagic carbonate deposition interrupted only by turbidity currents capable of overcoming a topographic barrier. Further uplift eventually led to entirely pelagic carbonate deposition.
    Keywords: 117-722B; 117-731C; Arabian Sea; DRILL; Drilling/drill rig; Joides Resolution; Leg117; Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 2
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    Nd and Sm content and isotopic composition of the carbonate-free clay fraction of sediment core HU90-013-013 (1999)
    PANGAEA
    In:  Supplement to: Fagel, Nathalie; Innocent, Christophe; Stevenson, Ross K; Hillaire-Marcel, Claude (1999): Deep circulation changes in the Labrador Sea since the Last Glacial Maximum: New constraints from Sm-Nd data on sediments. Paleoceanography, 14(6), 777-788, https://doi.org/10.1029/1999PA900041
    Details
    Publication Date: 2024-05-18
    Description: Sm-Nd concentrations and Nd isotopes were investigated in the fine fraction of two Labrador Sea cores to reconstruct the deep circulation patterns through changes in sedimentary supply since the last glacial stage. Three sources are involved: the North American Shield, Palaeozoic rocks from northeastern Greenland, and mid-Atlantic volcanism. The variable input of these sources provides constraints on the relative sedimentary supply, in conjunction with inception of deep currents. During the last glacial stage a persistent but sluggish current occurred inside the Labrador Basin. An increasing discharge of volcanic material driven by the North East Atlantic Deep Water is documented since 14.3 kyr, signaling the setup of a modern-like deep circulation pattern throughout the Labrador, Irminger, and Iceland basins. During the last deglacial stage the isotopic record was punctually influenced by erosion processes related mainly to ice-sheet instabilities, especially 11.4, 10.2, and 9.2 kyr ago.
    Keywords: Age, 14C milieu/reservoir corrected (-400 yr); Age, dated; Age, mineral; Calendar age; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; HU90-13-013; HUD90/13; Hudson; Marine isotopic stage; Neodymium; Neodymium-143/Neodymium-144 ratio; Neodymium-143/Neodymium-144 ratio, error; Northwest Atlantic; PC; Piston corer; Samarium; Samarium-147/Neodymium-144 ratio; ε-Neodymium
    Type: Dataset
    Format: text/tab-separated-values, 555 data points
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  • 3
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    (Table 1) Grain size distribution for the upper Oligocene section of ODP Hole 117-731C (1991)
    PANGAEA
    Details
    Publication Date: 2024-05-18
    Keywords: 117-731C; Arabian Sea; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Joides Resolution; Leg117; Lithologic unit/sequence; Median, grain size; Ocean Drilling Program; ODP; Sample code/label; Silt; Silt/clay ratio
    Type: Dataset
    Format: text/tab-separated-values, 167 data points
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  • 4
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    (Table 2) Grain size distribution for the lower Miocene section of ODP Hole 117-722B (1991)
    PANGAEA
    Details
    Publication Date: 2024-05-18
    Keywords: 117-722B; Arabian Sea; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Joides Resolution; Leg117; Median, grain size; Ocean Drilling Program; ODP; Sample code/label; Silt; Silt/clay ratio
    Type: Dataset
    Format: text/tab-separated-values, 41 data points
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  • 5
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    (Table 1) Chemical composition of magnesian basalts and estimated primary magmas (1990)
    PANGAEA
    Details
    Publication Date: 2024-05-16
    Keywords: 115-707C; 115-715A; Aluminium oxide; Calcium oxide; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Estimated; Event label; Iron oxide, FeO; Iron oxide/Magnesium oxide ratio; Joides Resolution; Lakshadweep Sea; Leg115; Magnesium oxide; Manganese oxide; Ocean Drilling Program; ODP; Phosphorus pentoxide; Potassium oxide; Sample code/label; Silicon dioxide; Sodium oxide; South Indian Ridge, South Indian Ocean; Titanium dioxide
    Type: Dataset
    Format: text/tab-separated-values, 115 data points
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  • 6
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    (Table 9) Chemical composition of whole rocks from DSDP sites (1991)
    PANGAEA
    Details
    Publication Date: 2024-05-16
    Keywords: 22-214; 26-253; Albite; Aluminium oxide; Anorthite; Apatite; Barium; Calcium oxide; Calculated; Cerium; Chromium; CIPW Norm; Corundum; Deep Sea Drilling Project; Diopside; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Element analysis, neutron activation (NAA); Elements, total; Europium; Event label; Gadolinium; Glomar Challenger; Hafnium; Hypersthene; Ilmenite; Indian Ocean//RIDGE; Iron oxide, Fe2O3; Iron oxide, FeO; Iron oxide/Magnesium oxide ratio; Lanthanum; Lanthanum/Tantalum ratio; Lanthanum/Ytterbium ratio; Leg22; Leg26; Leucite; Lutetium; Magnesium oxide; Magnetite; Manganese oxide; Neodymium; Nepheline; Nickel; Niobium; Olivine; Orthoclase; Phosphorus/Zirconium ratio; Phosphorus pentoxide; Potassium oxide; Quartz; Rubidium; Samarium; Sample code/label; Sample code/label 2; Scandium; Silicate, minerals indeterminata; Silicon dioxide; Sodium oxide; Strontium; Tantalum; Terbium; Thorium; Thorium/Tantalum ratio; Titanium/Vanadium ratio; Titanium/Zirconium ratio; Titanium dioxide; Tungsten; Uranium; Vanadium; Wollastonite; X-ray fluorescence (XRF); Ytterbium; Yttrium; Zirconium; Zirconium/Niobium ratio
    Type: Dataset
    Format: text/tab-separated-values, 822 data points
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  • 7
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    (Table 2) Major-element chemistry of volcanic glass in pillow margins and of glass inclusions in plagioclase megacrysts of ODP Site 123-765 (1992)
    PANGAEA
    Details
    Publication Date: 2024-05-16
    Keywords: 123-765B; 123-765C; 123-765D; Aluminium oxide; Calcium oxide; Chromium(III) oxide; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Elements, total; Event label; Iron oxide, FeO; Iron oxide/Magnesium oxide ratio; Joides Resolution; Leg123; Magnesium oxide; Manganese oxide; Ocean Drilling Program; ODP; Potassium oxide; Sample code/label; Sample comment; Silicon dioxide; Sodium oxide; South Indian Ridge, South Indian Ocean; Titanium dioxide
    Type: Dataset
    Format: text/tab-separated-values, 121 data points
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  • 8
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    (Table 2) Chemical composition of starting materials from ODP Sites 127-794 and 127-797 (1992)
    PANGAEA
    Details
    Publication Date: 2024-05-16
    Keywords: 127-797C; Aluminium oxide; Calcium oxide; Comment; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Iron oxide, FeO; Iron oxide/Magnesium oxide ratio; Japan Sea; Joides Resolution; Leg127; Magnesium oxide; Manganese oxide; Ocean Drilling Program; ODP; Phosphorus pentoxide; Potassium oxide; Sample code/label; Silicon dioxide; Sodium oxide; Titanium dioxide
    Type: Dataset
    Format: text/tab-separated-values, 50 data points
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  • 9
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    (Table 1) Whole-rock major element and nickel chemistry of the relatively fresh basement basaltic rocks from ODP Sites 127-794 and 127-797 (1992)
    PANGAEA
    Details
    Publication Date: 2024-05-16
    Keywords: 127-794C; 127-797C; 128-794D; Aluminium oxide; Calcium oxide; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Elements, total; Event label; Iron oxide, FeO; Iron oxide/Magnesium oxide ratio; Japan Sea; Joides Resolution; Leg127; Leg128; Lithology/composition/facies; Loss on ignition; Magnesium oxide; Manganese oxide; Nickel; Ocean Drilling Program; ODP; Phosphorus pentoxide; Potassium oxide; Sample code/label; Sample comment; Silicon dioxide; Sodium oxide; Titanium dioxide; X-ray fluorescence (XRF)
    Type: Dataset
    Format: text/tab-separated-values, 352 data points
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  • 10
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    (Appendix B) Major and trace element composition of bulk rock from ODP Leg 135 holes (1994)
    PANGAEA
    Details
    Publication Date: 2024-05-16
    Keywords: 135-834; 135-835B; 135-836; 135-837B; 135-839; Aluminium oxide; Aluminium oxide/Titan dioxide; Barium; Calcium oxide; Calcium oxide/Aluminium oxide; Calcium oxide/Titanium dioxide; Calculated; Cerium; Chromium; Comment; COMPCORE; Composite Core; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Elements, total; Elevation of event; Event label; Iron oxide, Fe2O3; Iron oxide, FeO; Iron oxide/Magnesium oxide ratio; Joides Resolution; Latitude of event; Leg135; Lithologic unit/sequence; Longitude of event; Magnesium number; Magnesium oxide; Manganese oxide; Nickel; Niobium; Ocean Drilling Program; ODP; Phosphorus pentoxide; Potassium oxide; Rubidium; Sample code/label; Silicon dioxide; Sodium oxide; Sodium oxide/Calcium oxide ratio; South Pacific Ocean; Strontium; Titanium/Zirconium ratio; Titanium dioxide; Vanadium; X-ray fluorescence (XRF); Yttrium; Yttrium/Zirconium ratio; Zirconium
    Type: Dataset
    Format: text/tab-separated-values, 4197 data points
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