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  • 1965-1969  (8)
Collection
Keywords
Publisher
Years
Year
  • 1
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    Documentation of manganese nodules form the northwest Indian Ocean (1968)
    PANGAEA
    In:  Supplement to: Cronan, David S; Tooms, J S (1968): A microscopic and electron probe investigation of manganese nodules from the northwest Indian Ocean. Deep Sea Research and Oceanographic Abstracts, 15(2), 215-223, https://doi.org/10.1016/0011-7471(68)90042-9
    Details
    Publication Date: 2023-08-28
    Description: Microscopic and electron probe examination of some manganese nodules show that they consist of segregations of manganese-iron oxides in an interstitial material almost free of manganese but rich in iron and silicates. The segregations are widely spaced in the volcanic cores of the nodules but become more abundant towards their outer crusts where they form the centres of linked polygons of interstitial materials. Most of the minor elements are concentrated in the segregations compared to the interstitial materials. It is suggested that the structures observed result partly from solution and reprecipitation of elements in the original volcanic cores of the nodules and partly from the replacement and coating of these cores by manganese-iron oxides precipitated from sea water.
    Keywords: D2; D5133; D5138; Discovery (1962); Dredge, rock; DRG_R; Indian Ocean; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 2
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    Chemical composition of manganese nodules and crusts from the Pacific and Indian Ocean and Loch Fyne, Scotland (1967)
    PANGAEA
    In:  Supplement to: Cronan, David S (1967): The geochemistry of some manganese nodules and associated pelagic deposits (Ph. D. Dissertation). Dept. of Geochemistry, Imperial College of Science and Technology, London, United Kingdom, 728 pp
    Details
    Publication Date: 2023-08-28
    Description: The first part of this thesis includes some topics of a non-geochemical nature but which are of importance in interpreting the geochemistry of nodules. The points covered include their distribution, petrography, structure, mineralogy and internal compositional variations. Part Two includes the geochemistry of both nodules and that of their surrounding sediments, This geochemical study has been divided into firstly, a general geochemical study of both nodules and sediments using a statistical approach to the interpretation of the data, secondly, the regional geochemistry of Pacific and Indian Ocean nodules and sediments, the latter entirely uninvestigated in the past, and thirdly, local variations in the composition of nodules. Throughout, emphasis has been placed on the geochemistry of nodules in terms of their environment of formation.
    Keywords: AMPH01AR; AMPH03AR-084G; AMPH-084G; AMPHITRITE; Argo; Atlantic Ocean; Barium; CHA-297; Challenger1872; Chromium; Cobalt; Copper; Core; CORE; D2; D4; D5133; D5175; Date/Time of event; Deposit type; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Discovery (1962); DNWB0ABD; DNWB0ABD-018G; DODO; DODO-232D; DOWNWIND-B1; DOWNWIND-H; Dredge; Dredge, rock; DRG; DRG_R; DWBG18; DWHD47; Elevation of event; Event label; GC; Grab; GRAB; Gravity corer; H.M.S. Challenger (1872); Horizon; Indian Ocean; Iron; JAPANYON; JPYN04BD-011G; JPYN05BD-029G; JYN4-011G; JYN5-029G; Latitude of event; Lead; Loch_Fyne_B; Loch Fyne, Scotland; Longitude of event; Loss on ignition; LSDA; LSDA-219D; LUSIAD-A; Manganese; Molybdenum; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Optical spectrographic analysis; Pacific Ocean; PC; Piston corer; PROA; PROA-105G; PROA-113PG; RISEPAC; RISP-111PG; RISP-111V; Sample comment; Sample ID; Sediment type; Size; Spencer F. Baird; Strontium; SYM_1872; SY Mallard; TC; Titanium; Trigger corer; Vanadium; Volumetric; WAH-2P; WAHI01BD; WAHINE; Yttrium; Zinc; Zirconium
    Type: Dataset
    Format: text/tab-separated-values, 354 data points
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  • 3
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    (Table 2, page 241), Analyses at the Applied Geochemistry Research Group on similar samples as those by Willis and Ahrens (1962) (1967)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Keywords: Cobalt; Copper; Description; Indian Ocean; Iron; John_Murray_Expedition; MABAH-166; Mabahiss (1933); Molybdenum; Monegasque Trawl; MTRW; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Sample code/label; Silicon; Spectrographic analysis; Titanium; X-ray fluorescence (XRF)
    Type: Dataset
    Format: text/tab-separated-values, 36 data points
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  • 4
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    (Table, page 351-359) Chemical composition of manganese nodules and crusts from the Pacific and Indian Ocean (1969)
    PANGAEA
    In:  Supplement to: Cronan, David S; Tooms, J S (1969): The geochemistry of manganese nodules and associated pelagic deposits from the Pacific and Indian Oceans. Deep Sea Research and Oceanographic Abstracts, 16(4), 335-359, https://doi.org/10.1016/0011-7471(69)90003-5
    Details
    Publication Date: 2023-08-28
    Description: Chemical and mineralogical analyses of manganese nodules from a large number of widely spaced localities in the Pacific and Indian Oceans have shown that their mineralogy and chemical composition varies both areally and with depth of formation. This is considered to result from a number of factors, important among which are: (a) their proximity to continental or volcanic sources of elements; (b) the chemical environment of deposition, including the degree of oxygenation; and (c) local factors such as the upward migration of reduced manganese in sediments from certain areas. Sub-surface nodules appear to share the chemical characteristics of their surface counterparts, especially those from volcanic areas where sub-surface sources of elements are probably important.
    Keywords: 2P-50; 2P-52; AMP3P; AMPH-009D; AMPH01AR; AMPH02AR-009D; AMPH03AR-080G; AMPH03AR-085P; AMPH03AR-086G; AMPH03AR-100G; AMPH03AR-124C; AMPH03AR-125PG; AMPH-080G; AMPH-085P; AMPH-086G; AMPH-100G; AMPH-116P; AMPH-124C; AMPH-125PG; AMPHITRITE; Argo; Barium; CAP-24HG; CAPH0BHO-024G; CAPRICORN-H; Central Pacific; CHA-160; CHA-289; CHA-297; Challenger1872; Chromium; Cobalt; Copper; Core; CORE; D2; D5106; D5123; D5175; Date/Time of event; Deposit type; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Discovery (1962); DNWB0ABD; DNWB0ABD-007G; DNWB0BBD; DNWB0BBD-046G; DNWH0BHO-031G; DODO; DODO-020C; DODO-025PG; DODO-027P; DODO-060P; DODO-062D; DODO-066DA; DODO-075P; DODO-084G; DODO-110P; DODO-113D; DODO-125D; DODO-127D; DODO-130G; DODO-132P; DODO-232D; DOWNWIND-B1; DOWNWIND-B2; DOWNWIND-H; Dredge; Dredge, chain bag; Dredge, rock; DRG; DRG_C; DRG_R; DWBD1; DWBD4; DWBG46; DWBG-59; DWBG7; DWH48; DWHD15; DWHD16; DWHG31; Elevation of event; Event label; FANB01BD; FANBD-20D; FANFARE-B; GC; Grab; GRAB; Gravity corer; H.M.S. Challenger (1872); HILO; HILO01ST-004G; HILO01ST-005G; HILO-04G; HILO-05G; Horizon; Indian Ocean; Iron; JAPANYON; John_Murray_Expedition; JPYN02BD-009G; JPYN04BD-011G; JPYN05BD-013G; JPYN05BD-015P; JPYN05BD-017G; JPYN05BD-031PG; JPYN05BD-048PG; JPYN05BD-050PG; JYN2; JYN2-008G; JYN2-009G; JYN4-011G; JYN5-013G; JYN5-015P; JYN5-015PG; JYN5-017G; JYN5-031PG; JYN5-048PG; JYN5-050PG; Latitude of event; Lead; Longitude of event; Loss on ignition; LSDA; LSDA-122G; LSDA-126G; LSDH; LSDH-045G; LSDH-087P; LSDH-089PG; LSDH-090P; LSDH-090PG; LSDH-093PG; LUSIAD-A; LUSIAD-H; MABAH-166; Mabahiss (1933); Mag_Bay; MAGBAY-A35; Magdalena_Bay; Manganese; Marine_Vertebrates_65-1; MDPC02HO-MP-025F-1; MDPC02HO-MP-026A-3; MDPC02HO-MP-033K; MDPC02HO-MP-037C; MDPC03HO-MP-043A; MIDPAC; Molybdenum; Monegasque Trawl; MONS01AR-MONS08AR; MONSOON; MPC-25F-1; MPC-26A-3; MPC-33K; MPC-37C; MPC-43A; MSN-128G; MTRW; MV65-1; MV65-1-38; MV65-1-41; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; North-East Pacific Ocean; Optical spectrographic analysis; Pacific Ocean; Page(s); PC; Piston corer; PROA; PROA-011PG; PROA-079P; PROA-101G; PROA-105G; PROA-108P; PROA-108PG; PROA-113P; PROA-113PG; PROA-116P; PROA-137G; PROA-139G; PROA-147G; PROA-148G; PROA-151G; PROA-156G; PROA-157G; PROA-159G; PROA-160G; PROA-161G; PROA-162G; PROA-169G; Prospector; Prospector-63; RISEPAC; RISP-14V; RISP-45V; RISP-5V; RISP-8V; Sample comment; Sample ID; Sediment type; Size; SOB; SOB-010D; SOB-013D; SOB-020D; SOB-025D; SOB-027D; SOBO03BD-010D; SOBO03BD-013D; SOBO04BD-020D; SOBO04BD-025D; SOBO04BD-027D; Southern Borderland; Spencer F. Baird; Stranger; TC; TET-27G-B-CC; TETH02BD; TETH02BD-027G-B-CC; TETHYS_2; Titanium; Trigger corer; Vanadium; Vit 5200; Vit 5202; Vit 5270; Vityaz (ex-Mars); Vityaz-35; VITYAZ5193; VITYAZ5200; VITYAZ5202; VITYAZ5270; Volumetric; WAH-24FF8; WAH-2P; WAH-2PG; WAH-4P; WAH-4PG; WAHI01BD; WAHINE
    Type: Dataset
    Format: text/tab-separated-values, 2463 data points
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  • 5
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    (Table 1, page 220), Spot chemical analyses of a section of nodule 5133.7 (1968)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Description: Microscopic and electron probe examination of some manganese nodules show that they consist of segregations of manganese-iron oxides in an interstitial material almost free of manganese but rich in iron and silicates. The segregations are widely spaced in the volcanic cores of the nodules but become more abundant towards their outer crusts where they form the centres of linked polygons of interstitial materials. Most of the minor elements are concentrated in the segregations compared to the interstitial materials. It is suggested that the structures observed result partly from solution and reprecipitation of elements in the original volcanic cores of the nodules and partly from the replacement and coating of these cores by manganese-iron oxides precipitated from sea water.
    Keywords: Calcium oxide; Cobalt oxide; Copper(II) oxide; D2; D5133; DEPTH, sediment/rock; Description; Discovery (1962); Dredge, rock; DRG_R; Electron Probe Microanalysis (GEOSCAN); Indian Ocean; Iron oxide, Fe2O3; Manganese dioxide; Nickel oxide; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Sample ID; Titanium dioxide
    Type: Dataset
    Format: text/tab-separated-values, 18 data points
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  • 6
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    Illustrations of nodule sections at various scales (1968)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Keywords: D2; D5133; D5138; DEPTH, sediment/rock; Description; Discovery (1962); Dredge, rock; DRG_R; Event label; Figure; File name; Identification; Indian Ocean; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Uniform resource locator/link to image
    Type: Dataset
    Format: text/tab-separated-values, 28 data points
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  • 7
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    Geochemistry of manganese nodules from the N.W. Indian Ocean (1967)
    PANGAEA
    In:  Supplement to: Cronan, David S; Tooms, J S (1967): Geochemistry of manganese nodules from the N.W. Indian Ocean. Deep Sea Research and Oceanographic Abstracts, 14(2), 239-249, https://doi.org/10.1016/0011-7471(67)90009-5
    Details
    Publication Date: 2023-08-28
    Description: Manganese nodules collected from four sites in the N.W. Indian Ocean by R.R.S. Discovery have been analysed for a range of elements. At two of the sites, samples were collected from two morphological populations, at one of these sites each population being a distinct chemical population also. In addition, considerable differences have been observed in the composition of morphologically similar modules from sites a few miles apart. The information obtained is of significance in any consideration of the genesis of the nodules and could have practical implications in the event that manganese nodules become a potential source of manganese and other metallic elements.
    Keywords: NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 8
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    (Table, page 249-250) Appendix. Analytical results of nodules presented on a dry weight basis (1967)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Keywords: Barium; Chromium; Cobalt; Copper; D2; D5133; D5136; D5138; D5179; Description; Discovery (1962); Dredge, rock; DRG_R; Event label; Indian Ocean; Iron; Lead; Loss on drying; Loss on ignition; Manganese; Molybdenum; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Sample ID; Silicon; Titanium
    Type: Dataset
    Format: text/tab-separated-values, 435 data points
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