Piper, David Z (1973): Analysis of manganese nodules from the East Pacific [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.881565, Supplement to: Piper, DZ (1973): Origin of metalliferous sediments from the East Pacific Rise. Earth and Planetary Science Letters, 19(1), 75-82, https://doi.org/10.1016/0012-821X(73)90179-9
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Published: 1973 (exact date unknown) • DOI registered: 2017-11-06
Abstract:
The distribution of several metals in East Pacific Rise sediments, when normalized to Al2O3, exhibit stronger maxima near the rise crest than when simply plotted on a carbonate-free basis. The similarity (1) between the distribution of metals in ridge sediments and previously measured mean heat flow values and (2) between the composition of crestal sediments and terrestrial ore bodies associated with greenstone belts, strongly supports a hydrothermal origin for rise crest sediments.
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
Project(s):
Coverage:
Median Latitude: -38.687778 * Median Longitude: -108.092478 * South-bound Latitude: -39.042000 * West-bound Longitude: -115.083000 * North-bound Latitude: -35.992000 * East-bound Longitude: -102.017000
Date/Time Start: 1970-01-01T00:00:00 * Date/Time End: 1970-01-01T00:00:00
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1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions.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.
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets
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Datasets listed in this publication series
- Piper, DZ (1973): (Table 1, page 76) Chemical composition of sediments from the Equatorial Pacific Rise at approximatively 39°S. https://doi.org/10.1594/PANGAEA.881567
- Piper, DZ (1973): Annotated record of the detailed examination of Mn deposits from R/V Oceanographer cruise RP-1-OC70 in the Equatorial Pacific Rise. https://doi.org/10.1594/PANGAEA.881563