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  • PANGAEA
  • 1965-1969  (4)
  • 1935-1939
  • 1925-1929
  • 1969  (4)
Collection
Keywords
Publisher
Years
  • 1965-1969  (4)
  • 1935-1939
  • 1925-1929
Year
  • 1
    facet.materialart.
    Unknown
    Permian manganese nodules near Dillon, Montana (1969)
    PANGAEA
    In:  Supplement to: Gulbrandsen, R A; Reeser, D W (1969): An occurrence of Permian manganese nodules near Dillon, Montana. In: Geological Survey Research 1969, Chapter C, U.S. Geological Survey Professional Paper; http://pubs.usgs.gov/pp/0650c/report.pdf, 650C, 49-57, hdl:10013/epic.46181.d003
    Details
    Publication Date: 2023-08-28
    Description: Concentrically ringed manganese nodules, similar in form to many found on modern ocean and sea floors, occur in a very fine grained argillaceous sandstone bed of the Permian Park City Formation near Dillon, Montana. They are enriched in many rare elements and contain us much as 2.5 percent zinc, l.3 percent nickel, and 0.22 percent cobalt. The manganese minerals are chalcophanite and todorokite. The nodules probably formed in a shallow marine oxidizing environment on the western side of the Permian sedimentary basin. The occurrence of an appreciable amount of fluorite in the bed suggests that the water was saline.
    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
    facet.materialart.
    Unknown
    Annotated record of the detailed examination of Mn deposits observed near the Median Rift Valley of the Atlantic Ocean (1969)
    PANGAEA
    In:  Supplement to: Aumento, Fabrizio; Loncarevic, B D (1969): The Mid-Atlantic Ridge near 45° N. III. Bald Mountain. http://store.pangaea.de/Projects/NOAA-MMS/e69-002.pdf, Canadian Journal of Earth Sciences, 6(1), 11-23, https://doi.org/10.1139/e69-002
    Details
    Publication Date: 2023-08-28
    Description: Metamorphosed and metasomatized basalts, and unmetamorphosed equivalents, were recovered from the steep slopes of Bald Mountain, a north-south elongated seamount lying 60 km west of the Median Rift Valley at 45° N. Block faulting and uplift of the seamount, together with the removal by submarine erosion of extrusive rocks capping the seamount, have resulted in the exposure of the more deep-seated metamorphosed horizons along the fault scarps. The block-faulted nature of Bald Mountain, indicative of brittle fracturing of the upper crustal layers of the Mid-Atlantic Ridge, may be a result of the low ocean floor spreading rates implied from age determinations and magnetic anomaly patterns at 45° N.
    Keywords: Atlantic Ocean; BI 19-66 – Phase 2; Deposit type; DEPTH, sediment/rock; Description; Dredge; DRG; Event label; File name; HUD66/19; HUD66/19-14; HUD66/19-14C; HUD66/19-33; HUD66/19-33C; HUD66/19-35; HUD66/19-47; HUD66/19-47C; HUD66/19-48; HUD66/19-9; HUD66/19-9C; Hudson; Identification; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Photo/Video; Position; PV; Quantity of deposit; Size; Substrate type; Uniform resource locator/link to image; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 82 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 3
    facet.materialart.
    Unknown
    Description of manganese nodules collected in a sandstone formation near Dillon, Montana (1969)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Keywords: Deposit type; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Description; Dillon, Montana; Feature; GULD01; Identification; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; OUTCROP; Outcrop sample; Position; Quantity of deposit; Sediment type; Size; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 10 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 4
    facet.materialart.
    Unknown
    (Table 2, page C54) Chemical composition, in weight percent, of manganese nodules embedded in the Permian sandstone beds near Dillon, Montana (1969)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Keywords: Aluminium oxide; Arsenic; Barium; Boron; Cadmium; Calcium oxide; Carbon dioxide; Chromium; Cobalt; Copper; DEPTH, sediment/rock; Description; Dillon, Montana; Fluorine; GULD01; Identification; Iron oxide, Fe2O3; Magnesium oxide; Manganese oxide; Molybdenum; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; OUTCROP; Outcrop sample; Oxygen; Phosphorus pentoxide; Scandium; Silicon dioxide; Sodium oxide; Spectrographic analysis; Strontium; Tellurium; Thallium; Titanium dioxide; Vanadium; Water in rock; Wet chemistry; Ytterbium; Yttrium; Zinc; Zirconium
    Type: Dataset
    Format: text/tab-separated-values, 68 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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