Moritani, Tomoyuki; Maruyama, Shuji; Nohara, Masato; Matsumoto, K; Ogitsu, T; Moriwaki, H (1977): (Table XIV-1, Page 137-139) Physical characteristics of manganese nodules collected in the Pacific Ocean during cruise GH76-1 of R/V Hakurei Maru [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.859861, Supplement to: Moritani, Tomoyuki; Maruyama, Shuji; Nohara, M; Matsumoto, K; Ogitsu, T; Moriwaki, H (1977): Description, classification and distribution of manganese nodules. In: Mizuno, A (Ed) Deep sea mineral resources investigation in the central-eastern part of the central Pacific Basin, January-March, 1976 (GH76-1 Cruise), Geological Survey of Japan, Cruise Report, 136-158, https://www.gsj.jp/data/cruise-rep/08-14.pdf
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Abstract:
Nodule samples obtained were described and studied on board for 1) observation of occurrence and morphology in and outside samplers, size classification, measurement of weight and calculation of population density (kg/m2); 2) photographing whole nodules on the plate marked with the frames of unit areas of both 0cean-70 (0.50 m2) and freefall grab (0.13 m2), and that of typical samples on the plate with a 5 cm grid scale: 3) observation of internal structures of the nodules on cut section; and 4) determination of mineral composition by X-ray diffractometer. The relation between nodule types and geological environment or chemical composition was examined by referring to other data of related studies, such as sedimentology. acoustic survey, and chemical analysis.
Source:
Grant, John Bruce; Moore, Carla J; Alameddin, George; Chen, Kuiying; Barton, Mark (1992): The NOAA and MMS Marine Minerals Geochemical Database. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V52Z13FT
Further details:
Fig. 14.3 - Occurence and surface texture of manganese ndules in relation to sediment-water interface
Warnken, Robin R; Virden, William T; Moore, Carla J (1992): The NOAA and MMS Marine Minerals Bibliography. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V53X84KN
Project(s):
Coverage:
Median Latitude: 8.101709 * Median Longitude: -172.724173 * South-bound Latitude: 4.960000 * West-bound Longitude: -174.038330 * North-bound Latitude: 10.013330 * East-bound Longitude: -169.985000
Date/Time Start: 1976-01-25T00:00:00 * Date/Time End: 1976-02-29T00:00:00
Minimum DEPTH, sediment/rock: 0 m * Maximum DEPTH, sediment/rock: 0 m
Event(s):
GH76-1-C6 (Station 414A-3) * Latitude: 4.985000 * Longitude: -172.983330 * Date/Time: 1976-02-22T00:00:00 * Elevation: -5410.0 m * Location: Pacific Ocean * Campaign: GH76-1 * Basis: Hakurei-Maru (1974) * Method/Device: Photo/Video (PV)
GH76-1-C7 (Station 408A-1) * Latitude: 9.988330 * Longitude: -174.008330 * Date/Time: 1976-02-25T00:00:00 * Elevation: -5820.0 m * Location: Pacific Ocean * Campaign: GH76-1 * Basis: Hakurei-Maru (1974) * Method/Device: Photo/Video (PV)
GH76-1-C8(N) (Station 407A) * Latitude: 8.988330 * Longitude: -174.000000 * Date/Time: 1976-02-26T00:00:00 * Elevation: -5850.0 m * Location: Pacific Ocean * Campaign: GH76-1 * Basis: Hakurei-Maru (1974) * Method/Device: Photo/Video (PV)
Comment:
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions. At the time it was the most extended data compilation on ferromanganese deposits world wide. Initially published in a proprietary format incompatible with present day standards it was jointly decided by AWI and NOAA to transcribe this legacy data into PANGAEA. This transfer is augmented by a careful checking of the original sources when available and the encoding of ancillary information (sample description, method of analysis...) not present in the NOAA-MMS database.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Moritani, Tomoyuki | |||
| 2 | Identification | ID | Moritani, Tomoyuki | |||
| 3 | DEPTH, sediment/rock | Depth sed | m | Moritani, Tomoyuki | Geocode | |
| 4 | Mass, netto | Netto | g | Moritani, Tomoyuki | ||
| 5 | Nodules, mass abundance | Nodules | kg/m2 | Moritani, Tomoyuki | ||
| 6 | Density | Density | g/cm3 | Moritani, Tomoyuki | Calculated from mass/volume | |
| 7 | Specimen count | Sp count | # | Moritani, Tomoyuki | ||
| 8 | Specimen count | Sp count | # | Moritani, Tomoyuki | Size 8-6 mm | |
| 9 | Specimen count | Sp count | # | Moritani, Tomoyuki | Size 6-4 mm | |
| 10 | Specimen count | Sp count | # | Moritani, Tomoyuki | Size 4-2 mm | |
| 11 | Specimen count | Sp count | # | Moritani, Tomoyuki | Size 2-1 mm | |
| 12 | Specimen count | Sp count | # | Moritani, Tomoyuki | Size < 1 mm | |
| 13 | Shape | Shape | Moritani, Tomoyuki | |||
| 14 | Figure | Fig | Moritani, Tomoyuki |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
637 data points