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Sayles, Frederick L; Ku, T-L; Bowker, Paul C (2023): Carbonate-free basis chemical composition of sediments from the Bauer Deep [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.961655

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Published: 2023-08-21 • DOI registered: 2023-09-26

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Abstract:
Sediment cores of the Bauer Deep were obtained by standard piston-coring techniques on cruises of the R/V Atlantis II (no. 54) and R/V Chain (no. 100) of the Woods Hole Oceanographic Institution. The sediment samples we analyzed were obtained by taking 1- to 10-cm sections from the center of the split cores. All samples were rinsed to remove sea salt, ground under acetone, and sieved through a nylon screen (200 mesh). The sieved samples were split into separate portions for bulk chemical analysis, CaCO3 determination, and x-ray diffraction where this was deemed useful. CaCO3 was determined by 0.2 M acetic acid leach at 50°C for 2 hrs. Residual Ca was determined by atomic absorption as well as Mg, Na, K, Fe and Mn. The data suggest tha a small but detectable amount of Fe is leached in excess of that occuring in the ferromanganese compounds. This may originate either in an iron oxyhydroxlde phase containing no Mn or through leaching of the Fe montmorillonite.
Keyword(s):
Geochemistry; manganese micronodule; manganese nodule; ocean; sediment
Related to:
Sayles, Frederick L; Ku, T-L; Bowker, Paul C (1975): Chemistry of ferromanganoan sediment of the Bauer Deep. Geological Society of America Bulletin, 86(10), 1423, https://doi.org/10.1130/0016-7606(1975)86%3C1423:COFSOT%3E2.0.CO;2
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):
NOAA and MMS Marine Minerals Geochemical Database (NOAA-MMS)
Coverage:
Median Latitude: -9.034538 * Median Longitude: -101.118923 * South-bound Latitude: -10.387000 * West-bound Longitude: -103.803000 * North-bound Latitude: -7.297000 * East-bound Longitude: -97.603000
Date/Time Start: 1969-11-09T00:00:00 * Date/Time End: 1971-10-24T00:00:00
Minimum DEPTH, sediment/rock: 0.050 m * Maximum DEPTH, sediment/rock: 8.645 m
Event(s):
AII-54-6PC (Station 11) * Latitude: -9.317000 * Longitude: -97.603000 * Date/Time: 1969-11-09T00:00:00 * Elevation: -4287.0 m * Recovery: 8.81 m * Location: Pacific Ocean * Campaign: A205402 * Basis: Atlantis II (1963) * Method/Device: Piston corer (PC)
AII-54-6PG (Station 11) * Latitude: -9.317000 * Longitude: -97.603000 * Date/Time: 1969-11-09T00:00:00 * Elevation: -4287.0 m * Recovery: 1.4 m * Location: Pacific Ocean * Campaign: A205402 * Basis: Atlantis II (1963) * Method/Device: Trigger corer (TC)
AII-54-8PC (Station 14) * Latitude: -8.437000 * Longitude: -102.200000 * Date/Time: 1969-11-11T00:00:00 * Elevation: -3984.0 m * Recovery: 7.09 m * Location: Pacific Ocean * Campaign: A205402 * Basis: Atlantis II (1963) * Method/Device: Piston corer (PC)
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.
This dataset represents the digitized Table 3, pp. 1425 of the related publication.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEvent
2Latitude of eventLatitude
3Longitude of eventLongitude
4Elevation of eventElevationm
5IdentificationIDSayles, Frederick L
6Sample typeSamp typeSayles, Frederick L
7DEPTH, sediment/rockDepth sedmSayles, Frederick LGeocode
8Depth, top/minDepth topmSayles, Frederick L
9Depth, bottom/maxDepth botmSayles, Frederick L
10IronFe%Sayles, Frederick LAtomic absorption spectrophotometry
11ManganeseMn%Sayles, Frederick LAtomic absorption spectrophotometry
12CalciumCa%Sayles, Frederick LAtomic absorption spectrophotometryresidual after acid dissolution of CaCO3
13MagnesiumMg%Sayles, Frederick LAtomic absorption spectrophotometry
14SodiumNa%Sayles, Frederick LAtomic absorption spectrophotometry
15PotassiumK%Sayles, Frederick LAtomic absorption spectrophotometry
16AluminiumAl%Sayles, Frederick LWet chemistry
17Silicon dioxideSiO2%Sayles, Frederick LWet chemistry
18Calcium carbonateCaCO3%Sayles, Frederick LWet chemistrydissolved by acetic acid
19BariumBamg/kgSayles, Frederick LX-ray diffraction (XRD)
20NickelNimg/kgSayles, Frederick LX-ray diffraction (XRD)
21CopperCumg/kgSayles, Frederick LX-ray diffraction (XRD)
22ZincZnmg/kgSayles, Frederick LX-ray diffraction (XRD)
23CobaltComg/kgSayles, Frederick LX-ray diffraction (XRD)
24StrontiumSrmg/kgSayles, Frederick LX-ray diffraction (XRD)
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1025 data points

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