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  • American Chemical Society  (301)
  • PANGAEA  (43)
  • Cell Press  (33)
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  • 11
    Publikationsdatum: 2023-06-27
    Schlagwort(e): 26-253; Aluminium; Calcium; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Indian Ocean//RIDGE; Iron; Leg26; Lithologic unit/sequence; Magnesium; Manganese; Potassium; Sample code/label; Sodium; Titanium
    Materialart: Dataset
    Format: text/tab-separated-values, 290 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 12
    facet.materialart.
    Unbekannt
    PANGAEA
    Publikationsdatum: 2023-06-27
    Schlagwort(e): 26-253; Barium; Chromium; Cobalt; Copper; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Indian Ocean//RIDGE; Leg26; Lithium; Lithologic unit/sequence; Manganese; Molybdenum; Nickel; Sample code/label; Strontium; Zinc
    Materialart: Dataset
    Format: text/tab-separated-values, 346 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 13
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Supplement to: Fleet, A J; McKelvey, Barrie C (1978): Eocene explosive submarine volcanism, Ninetyeast Ridge, Indian Ocean. Marine Geology, 26(1-2), 73-97, https://doi.org/10.1016/0025-3227(78)90047-6
    Publikationsdatum: 2023-06-27
    Beschreibung: A basaltic sequence of Eocene submarine-erupted pyroclastic sediments totals at least 388 m at DSDP Site 253 on the Ninetyeast Ridge. These fossiliferous hyaloclastic sediments have been erupted and fragmented by explosive volcanism (hydroexplosions) in shallow water. The occurrence of interbedded basaltic ash-fall tuffs within the younger horizons of the hyaloclastic sequence marks the emergence of some Ninetyeast Ridge volcanic vents above sea level. Considerable textural variation allows subdivision of the sequence into six informal lithostratigraphic units. Hydrothermal and diagenetic alteration has caused the complete replacement of all original glass by smectites, and the introduction of abundant zeolite and calcite cements. The major and trace element contents of the hyaloclastites vary due to the alteration, and the admixture of biogenous calcite. On a calcium carbonate-free basis systematic variations are recognisable. Mg, Ni, Cr and Cu are enriched, and Li and Zn depleted in the three older units relative to the younger three. The chemical variability is reflected by the development of saponite in the older part of the sequence and montmorillonite in the younger; and by the presence of a quartz-normative basalt flow occurring in Unit II, in contrast to the Mg-rich highly olivine-normative basalt at the base of the sequence. The younger and older parts of the sequence therefore appear to have been derived from magmas of different chemistry. The sequence, like other basaltic rocks recovered from the Ninetyeast Ridge, is enriched in the light relative to the heavy rare earth elements (REE) although the REE contents vary unsystematically with depth, probably because of the high-temperature subaqueous alteration and the presence of biogenous calcite. This REE data indicates that the Ninetyeast Ridge volcanism was different from that which produces mid-ocean ridge basalts.
    Schlagwort(e): 26-253; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Indian Ocean//RIDGE; Leg26
    Materialart: Dataset
    Format: application/zip, 4 datasets
    Standort Signatur Erwartet Verfügbarkeit
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  • 14
    facet.materialart.
    Unbekannt
    PANGAEA
    Publikationsdatum: 2023-06-27
    Schlagwort(e): 26-253; Aluminium; Calcium; Calcium carbonate; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Indian Ocean//RIDGE; Iron; Leg26; Lithologic unit/sequence; Magnesium; Manganese; Potassium; Sample code/label; Sodium; Titanium
    Materialart: Dataset
    Format: text/tab-separated-values, 319 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 15
    Publikationsdatum: 2023-06-27
    Schlagwort(e): 26-253; Barium; Chromium; Cobalt; Copper; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Indian Ocean//RIDGE; Leg26; Lithium; Lithologic unit/sequence; Manganese; Molybdenum; Nickel; Sample code/label; Strontium; Zinc
    Materialart: Dataset
    Format: text/tab-separated-values, 342 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 16
    Publikationsdatum: 2023-06-27
    Schlagwort(e): Aerosol number concentration; Alert; Canadian Arctic Station; DATE/TIME; Joint Arctic Weather Stations; Log-normal particle size distribution, normalized concentration at particle diameter 100.24 nm; Log-normal particle size distribution, normalized concentration at particle diameter 112.47 nm; Log-normal particle size distribution, normalized concentration at particle diameter 126.19 nm; Log-normal particle size distribution, normalized concentration at particle diameter 141.59 nm; Log-normal particle size distribution, normalized concentration at particle diameter 158.87 nm; Log-normal particle size distribution, normalized concentration at particle diameter 178.25 nm; Log-normal particle size distribution, normalized concentration at particle diameter 200 nm; Log-normal particle size distribution, normalized concentration at particle diameter 20 nm; Log-normal particle size distribution, normalized concentration at particle diameter 22.44 nm; Log-normal particle size distribution, normalized concentration at particle diameter 224.4 nm; Log-normal particle size distribution, normalized concentration at particle diameter 25.179 nm; Log-normal particle size distribution, normalized concentration at particle diameter 251.79 nm; Log-normal particle size distribution, normalized concentration at particle diameter 28.251 nm; Log-normal particle size distribution, normalized concentration at particle diameter 282.51 nm; Log-normal particle size distribution, normalized concentration at particle diameter 31.698 nm; Log-normal particle size distribution, normalized concentration at particle diameter 316.98 nm; Log-normal particle size distribution, normalized concentration at particle diameter 35.566 nm; Log-normal particle size distribution, normalized concentration at particle diameter 355.66 nm; Log-normal particle size distribution, normalized concentration at particle diameter 39.905 nm; Log-normal particle size distribution, normalized concentration at particle diameter 399.05 nm; Log-normal particle size distribution, normalized concentration at particle diameter 44.774 nm; Log-normal particle size distribution, normalized concentration at particle diameter 447.74 nm; Log-normal particle size distribution, normalized concentration at particle diameter 50.238 nm; Log-normal particle size distribution, normalized concentration at particle diameter 502.38 nm; Log-normal particle size distribution, normalized concentration at particle diameter 56.368 nm; Log-normal particle size distribution, normalized concentration at particle diameter 63.246 nm; Log-normal particle size distribution, normalized concentration at particle diameter 70.963 nm; Log-normal particle size distribution, normalized concentration at particle diameter 79.621 nm; Log-normal particle size distribution, normalized concentration at particle diameter 89.337 nm; OBSE; Observation; Queen Elizabeth Islands, Canada NWT
    Materialart: Dataset
    Format: text/tab-separated-values, 612000 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 17
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Supplement to: Doyle, Patricia S; Boltovskoy, Esteban; Herb, Rene C; Thierstein, Hans R; Hyndman, Roy D; Horvath, George J; Leidy, Rosanne D; McKelvey, Barrie C; Kempe, D R C; Rodolfo, Kelvin S; Davies, Thomas A; Luyendyk, Bruce P (1974): Initial Reports of the Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project, U.S. Government Printing Office, XXVI, 1129 pp, https://doi.org/10.2973/dsdp.proc.26.1974
    Publikationsdatum: 2023-08-28
    Beschreibung: DSDP Leg 26, is the fifth cruise of D/V Glomar Challenger in the Indian Ocean, and the first cruise of Phase III of the Deep Sea Drilling Project. The Indian Ocean is the smallest of the three major ocean basins but appears to be geologically the most complex. The sites drilled on Leg 26 were selected to try to elucidate a number of specific problems of both local and broad regional significance, as well as to add to the general knowledge of the area. In particular: a) To locate the oldest sediment in the Indian Ocean and thus possibly the date of the initial breakup of Gondwanaland (Sites 250, 256, 257); b) To determine the effects of the initiation of the Circumpolar Current on southern Indian Ocean sedimentation (Sites 250, 252, 256, 257, 258); c) To determine the history of spreading of the Southwest Branch of the Indian Ocean Ridge and the history of the crust and oceanic sedimentation in that general region (Sites 250, 251, 252).
    Schlagwort(e): 26-250A; 26-252; 26-256; 26-257; Comment; Deep Sea Drilling Project; Deposit type; DEPTH, sediment/rock; Description; DRILL; Drilling/drill rig; DSDP; Event label; Glomar Challenger; Identification; Indian Ocean//BASIN; Leg26; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Position; Quantity of deposit; Sample code/label; Sediment type; Size; Visual description
    Materialart: Dataset
    Format: text/tab-separated-values, 42 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 18
    Publikationsdatum: 2024-02-20
    Schlagwort(e): anoxia; deoxygenation; DEPTH, sediment/rock; Depth, well; dysoxia; gateway; Gulf of Mexico; log-calculated total organic carbon; organic carbon; Paleocene-Eocene Thermal Maximum; PETM; productivity; runoff; Sampling Well; sequestration; Sigsbee_Escarpment_039_1; Sigsbee Escarpment 039 1 ST0BP2, API:608094000102; Stratification; WELL; Wilcox Group; Δ Log R method (Passey et al. 1990)
    Materialart: Dataset
    Format: text/tab-separated-values, 11202 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 19
    Publikationsdatum: 2024-02-20
    Schlagwort(e): anoxia; deoxygenation; DEPTH, sediment/rock; Depth, well; dysoxia; gateway; Gulf of Mexico; log-calculated total organic carbon; organic carbon; Paleocene-Eocene Thermal Maximum; PETM; productivity; runoff; Sampling Well; sequestration; Stratification; Walker_Ridge_584_1; Walker Ridge 584 1 ST0BP0, API:608124003300; WELL; Wilcox Group; Δ Log R method (Passey et al. 1990)
    Materialart: Dataset
    Format: text/tab-separated-values, 12642 data points
    Standort Signatur Erwartet Verfügbarkeit
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  • 20
    Publikationsdatum: 2024-02-20
    Schlagwort(e): anoxia; deoxygenation; DEPTH, sediment/rock; Depth, well; dysoxia; gateway; Green_Canyon_826_3; Green Canyon 826 3 ST0BP0, API:608114043600; Gulf of Mexico; log-calculated total organic carbon; organic carbon; Paleocene-Eocene Thermal Maximum; PETM; productivity; runoff; Sampling Well; sequestration; Stratification; WELL; Wilcox Group; Δ Log R method (Passey et al. 1990)
    Materialart: Dataset
    Format: text/tab-separated-values, 9602 data points
    Standort Signatur Erwartet Verfügbarkeit
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