Sorem, Ronald K; Reinhart, W R; Fewkes, Ronald H; McFarland, William Douglas (1979): Description, main morphological features and bulk chemical analysis of Mn deposits from DOMES sites in the Pacific Ocean [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.879467, Supplement to: Sorem, RK et al. (1979): Occurence and character of manganese nodules in DOMES areas A, B, and C, East Equatorial Pacific Ocean. in: Bischoff, J.L., Piper, D.Z. (Eds.), Marine Geology and Oceanography of the Pacific Manganese Nodule Province, Marine Science. Plenum Publishing Corporation, New York, U.S.A., 475-528, https://doi.org/10.1007/978-1-4684-3518-4_14
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Abstract:
Study of the occurrence and physical and chemical character of manganese nodules collected in box cores in DOMES Sites A, B, and C indicates that virtually all nodules lie at the sediment-water interface. Buried nodules are rare. Nodules seem to be smaller and have smoother surfaces at Site A than at Sites B and C. Site C nodules are predominantly 2-6 cm in size and have smooth tops and granular bottoms. Nodules from all sites show non-uniform contents of Mn, Fe, Ni and Cu within individual box cores. The greatest variations were found in box cores from Sites A and C. Mn, Ni, and Cu are generally covariant whereas Fe content is antithetic to Mn content. Large variations in metal content are generally due to differences in oxide mineralogy but some variation is related to clay content. Large nodules tend to be relatively low in Mn, Ni, and Cu. Site B nodules have the highest mean values for Mn, Ni, and Cu and the lowest mean Fe content. Site C nodules and Site A nodules have the same Mn content, but Site C nodules are richer in Ni and poorer in Fe than Site A nodules.
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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:
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
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Coverage:
Median Latitude: 11.843801 * Median Longitude: -138.775085 * South-bound Latitude: 8.238300 * West-bound Longitude: -151.238300 * North-bound Latitude: 15.778333 * East-bound Longitude: -125.447000
Date/Time Start: 1975-05-01T00:00:00 * Date/Time End: 1976-10-01T00:00:00
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.
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Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
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Datasets listed in this publication series
- Sorem, RK; Reinhart, WR; Fewkes, RH et al. (1979): Annotated record of the detailed examination of Mn deposits from DOMES sites in the Pacific Ocean. https://doi.org/10.1594/PANGAEA.879464
- Sorem, RK; Reinhart, WR; Fewkes, RH et al. (1979): (Table 1, pages 497-499) Main morphological features manganese nodules recovered at DOMES, Sites A, B and C areas in the Pacific Ocean. https://doi.org/10.1594/PANGAEA.879465
- Sorem, RK; Reinhart, WR; Fewkes, RH et al. (1979): (Table I, Appendix C) Bulk chemical analysis of individual manganese nodules recovered for the DOMES, Sites A, B and C areas in the Pacific Ocean. https://doi.org/10.1594/PANGAEA.879466