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  • NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS  (2)
  • 42-380A; 42-381; 43-387; 44-391A; 44-391C; 47-397; 47-397A; 47-398D; 57-440B; 63-467; 63-471; 64-474; 64-474A; 64-479; 64-481A; Black Sea; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg42; Leg43; Leg44; Leg47; Leg57; Leg63; Leg64; North Atlantic/BASIN; North Atlantic/CONT RISE; North Atlantic/SEAMOUNT; North Pacific/FAN; North Pacific/GAP; North Pacific/Gulf of California/BASIN; North Pacific/TRENCH  (1)
  • 51-417_Site; Aluminium; Aluminium oxide; Calcium; Calcium oxide; COMPCORE; Composite Core; Deep Sea Drilling Project; DSDP; DSDP/ODP/IODP sample designation; Electron microprobe (EMP); Glomar Challenger; Iron 2+ and 3+; Iron oxide, FeO; Leg51; Lithology/composition/facies; Magnesium; Magnesium oxide; Manganese; Manganese oxide; North Atlantic/CONT RISE; Number of oxygens; Potassium; Potassium oxide; Sample code/label; Silicon; Silicon dioxide; Sodium; Sodium oxide; Titanium dioxide  (1)
  • PANGAEA  (4)
  • American Chemical Society
  • 1980-1984  (4)
  • 1930-1934
  • 1920-1924
  • 1984  (4)
Collection
Keywords
Publisher
  • PANGAEA  (4)
  • American Chemical Society
Years
  • 1980-1984  (4)
  • 1930-1934
  • 1920-1924
Year
  • 1
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    Unknown
    Geochemistry on manganese nodules from the Pacific (1984)
    PANGAEA
    In:  Supplement to: Frazer, Jane Z; Fisk, Mary B; Fitzgerald, R; Guy, J (1976): Chemical analyses of manganese nodules, 1975-1976. Scripps Institution of Oceanography, UC San Diego Report, unpublished
    Details
    Publication Date: 2023-08-28
    Description: Manganese nodules have been analysed at the Scripps Institution of Oceanography after having been ground to to a diameter less than 74 microns. Some analysises were performed on pellets by X-ray Emission Spectroscopy for 1000 Seconds. All concentrations have been corrected to 110 degrees Celsius drying conditions (see: https://doi.pangaea.de/10.1594/PANGAEA.854202).
    Keywords: NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
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    Radionuclide analysis on nodules from MANOP Site (1984)
    PANGAEA
    In:  Supplement to: Moore, Willard S (1984): Thorium and radium isotopic relationships in manganese nodules and sediments at MANOP Site S. Geochimica et Cosmochimica Acta, 48(5), 987-992, https://doi.org/10.1016/0016-7037(84)90190-X
    Details
    Publication Date: 2023-08-28
    Description: Relationships among Th and Ra isotopes in nodule, sediment and water phases at MANOP Site S establish the most likely source for Th in the nodules, the frequency of nodule turning, and the similarity of micro and macro nodules. Manganese nodules and bottom waters have 230Th/232Th activity ratios considerably higher than other phases at this site suggesting that sea water is the likely source of Th for the nodules. Similar 230Th/232Th activity ratios in nodule tops and bottoms and in certain cases departure from expected 226Ra/230Th activity ratios in nodule tops and bottoms indicate that the nodules rotate every one to ten thousand years. The micro nodules have diffusion coefficients of Ra similar to macro nodule bottoms. I suggest that they may act as a carrier phase for transporting metals through oxic sediments to nodules.
    Keywords: NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS
    Type: Dataset
    Format: application/zip, 3 datasets
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    DATA PANGAEA
  • 3
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    (Table 1) Chemical composition and formulas of secondary minerals from DSDP Site 51-417, part 2 (1984)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Keywords: 51-417_Site; Aluminium; Aluminium oxide; Calcium; Calcium oxide; COMPCORE; Composite Core; Deep Sea Drilling Project; DSDP; DSDP/ODP/IODP sample designation; Electron microprobe (EMP); Glomar Challenger; Iron 2+ and 3+; Iron oxide, FeO; Leg51; Lithology/composition/facies; Magnesium; Magnesium oxide; Manganese; Manganese oxide; North Atlantic/CONT RISE; Number of oxygens; Potassium; Potassium oxide; Sample code/label; Silicon; Silicon dioxide; Sodium; Sodium oxide; Titanium dioxide
    Type: Dataset
    Format: text/tab-separated-values, 113 data points
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    DATA PANGAEA
  • 4
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    Unknown
    Highly dealkylated copper and nickel etioporpyfrins in marine sediments (1984)
    PANGAEA
    In:  Supplement to: Baker, Earl W; Louda, William (1984): Highly deaikylated copper and nickel etioporphyrins in marine sediments. Organic Geochemistry, 6, 183-192, https://doi.org/10.1016/0146-6380(84)90040-8
    Details
    Publication Date: 2023-12-07
    Description: Copper porphyrins have been recognized as natural constituents of marine sediments only within the past 5 years (Palmer and Baker, 1978, Science201, 49–51). In that report it was suggested that these pigments may derive from and be markers for oxidized terrestrial organic matter redeposited in the marine environment. In the present study we describe the distribution of copper porphyrins in sediments from several north Pacific and Gulf of California DSDP/IPQD sites (Legs 56,63,64). These allochthonous pigments have now been found to be accompanied by identical arrays of highly dealkylated nickel etioporphyrins. Evaluation of data from this and past studies clearly reveals that there is a strong carbon-number distribution similarity betweeen coincident Cu and Ni etioporphyrins. This homology match is taken as reflecting a common source for the tetrapyrrole ligands of this population of Cu and Ni chelates. Predepositional generation of these highly dealkylated etioporphyrins is concluded from the occurrence of these pigments in sediments continuing essentially all stages of in situ chlorophyll diagenesis (cf. Baker and Louda, 1983). That is, their presence is not regulated by the in situ diagenetic continuum. Thus, the highly dealkylated Cu and Ni etioporphyrins represent an 'allochthonous' background over which 'autochthonous' (viz. marine produced) chlorophyll derivatives are deposited and are undergoing in situ diagenesis.
    Keywords: 42-380A; 42-381; 43-387; 44-391A; 44-391C; 47-397; 47-397A; 47-398D; 57-440B; 63-467; 63-471; 64-474; 64-474A; 64-479; 64-481A; Black Sea; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg42; Leg43; Leg44; Leg47; Leg57; Leg63; Leg64; North Atlantic/BASIN; North Atlantic/CONT RISE; North Atlantic/SEAMOUNT; North Pacific/FAN; North Pacific/GAP; North Pacific/Gulf of California/BASIN; North Pacific/TRENCH
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
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