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  • Geological Society of America (GSA)
  • PANGAEA
  • 1965-1969  (10)
  • 1935-1939  (3)
  • 1930-1934
  • 1969  (4)
  • 1966  (6)
  • 1937  (3)
Collection
Keywords
Publisher
Years
  • 1965-1969  (10)
  • 1935-1939  (3)
  • 1930-1934
Year
  • 1
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    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
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    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
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    DATA PANGAEA
  • 3
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    Annotated record of the detailed examination of Mn deposits from the Madcap Volcano in the Madeira-Cape Verde Abyssal plain (1966)
    PANGAEA
    In:  Supplement to: Jones, E J W; Laughton, Anthony S; Hill, M N; Davies, D (1976): A geophysical study of part of the western boundary of the Madeira-Cape Verde Abyssal plain. Deep Sea Research and Oceanographic Abstracts, 13(5), 889-907, https://doi.org/10.1016/0011-7471(76)90909-8
    Details
    Publication Date: 2023-08-28
    Description: The results are discussed of a geophysical survey undertaken by R.R.S. Discovery II early in 1962 in an area centred on 29° 15'N, 25° 5'W at the western extremity of the Madeira-Cape Verde Abyssal Plain. Seismic investigations show that the sediments are underlain by an intermediate layer about 2 km in thickness of velocity 4.1-5.4 km/sec which overlies a deep layer 5.2-km thick of velocity 6.3-6.8 km/sec. Refracted arrivals on the longest seismic line give a depth of 13.2 km to the M discontinuity. Magnetic results indicate that the topography of the abyssal hills in the western part of the area is probably continued eastwards as sub-bottom relief beneath the sediments of the abyssal plain. They also support the hypothesis that the intermediate seismic layer (layer 2) is composed predominantly of volcanic rocks. Examination of a well-defined magnetic anomaly over one topographic feature ("The Madcap Volcano") shows it to be composed of magnetized rocks (I = 8.4 × 10**-3 e.m.u./cm**3) having a direction of magnetization which points upwards at 25° with an azimuth of 305°. Measurements at ten heat flow stations show that the average geothermal flux in this region is 1.20 (±0.11) µcal/cm**2/sec.
    Keywords: Atlantic Ocean; D4810; D4814; Deposit type; DEPTH, sediment/rock; Description; Discovery II (1929); Event label; File name; Identification; MADCAP_62; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Photo/Video; Position; PV; Quantity of deposit; Sediment type; Substrate type; Uniform resource locator/link to image; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 26 data points
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    DATA PANGAEA
  • 4
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    Chemical composition of nodules from two locations in the Pacific Ocean using different methods (1966)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Description: Manganese nodules recovered in the Pacific Ocean by the U. S. Bureau of Mines and by DeepSea Ventures Ltd. are studied for their chemical composition using X microprobe and X-ray fluorescence methods.
    Keywords: NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS
    Type: Dataset
    Format: application/zip, 2 datasets
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    DATA PANGAEA
  • 5
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    Annotated record of the detailed examination of Mn deposits from the John Murray Expedition (R/V Mabahiss) stations (1937)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Keywords: Date/Time of event; Deposit type; DEPTH, sediment/rock; Description; Elevation of event; Event label; Identification; Indian Ocean; John_Murray_Expedition; Latitude of event; Longitude of event; MABAH-133; MABAH-166; Mabahiss (1933); Method/Device of event; Monegasque Trawl; MTRW; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Position; Quantity of deposit; Sample ID; Sediment type; Size; Substrate type
    Type: Dataset
    Format: text/tab-separated-values, 27 data points
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    DATA PANGAEA
  • 6
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    Illustrations of nodules and manganese coated rocks from the John Murray Expedition (R/V Mabahiss) (1937)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Keywords: DEPTH, sediment/rock; Event label; Figure; File name; Indian Ocean; John_Murray_Expedition; MABAH-133; MABAH-166; Mabahiss (1933); Monegasque Trawl; MTRW; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Sample ID; Uniform resource locator/link to image
    Type: Dataset
    Format: text/tab-separated-values, 24 data points
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    DATA PANGAEA
  • 7
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    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
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    DATA PANGAEA
  • 8
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    (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
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    DATA PANGAEA
  • 9
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    Chemical composition of nodules from a station in the Pacific Ocean using X-ray fluorescence analysis (1966)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Keywords: Cobalt; Copper; Deposit type; DEPTH, sediment/rock; Description; HRS1; Iron; Manganese; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Pacific Ocean; Sample ID; Shape; X-ray fluorescence (XRF); Zinc
    Type: Dataset
    Format: text/tab-separated-values, 40 data points
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    DATA PANGAEA
  • 10
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    Chemical composition of nodules from two locations in the Pacific Ocean using X microprobe analysis (1966)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Keywords: 2P-36; Antimony; Barium; Calcium; Chromium; Cobalt; Copper; Deposit type; DEPTH, sediment/rock; Dredge; DRG; Elevation of event; Europium; Event label; Hafnium; HRS1; Iron; Lanthanum; Latitude of event; Longitude of event; Manganese; Molybdenum; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Pacific Ocean; Prospector; Prospector-63; Samarium; Sample ID; Scandium; Shape; Sodium; Terbium; Thorium; Titanium; Uranium; Vanadium; X-ray microprobe; Zinc
    Type: Dataset
    Format: text/tab-separated-values, 46 data points
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    DATA PANGAEA
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