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Frondel, C; Marvin, U B; Ito, J (1960): (Table 1, page 1169) Chemical composition of land (fossil) manganese deposits rich in todorokite [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.866910, Supplement to: Frondel, C et al. (1960): New occurrences of todorokite. American Mineralogist, 45(11-12), 1167-1173, http://www.minsocam.org/ammin/AM45/AM45_1167.pdf

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Abstract:
Chemical, x-ray and other data are given for todorokite, (Mn, Mg, Ca, Ba, Na, K)2.Mn5O12.3H2O, from Charco Redondo, Cuba, Farragudo, Portugal, and Hüttenberg, Austria. Additional localities at Romanèche, France, Saipan Island, Bahia, Brazil and Sterling Hill, New Jersey, are noted. Delatorreite of Simon and Straczek (1958) is identical with todorokite.
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
Coverage:
Median Latitude: 34.948563 * Median Longitude: -23.309602 * South-bound Latitude: 20.279477 * West-bound Longitude: -76.434438 * North-bound Latitude: 46.933416 * East-bound Longitude: 14.570337
Minimum DEPTH, sediment/rock: -60 m * Maximum DEPTH, sediment/rock: -60 m
Event(s):
Charco_Redondo_S * Latitude: 20.279477 * Longitude: -76.434438 * Elevation: 225.0 m * Location: Cuba
Farragudo_F * Latitude: 37.632797 * Longitude: -8.064705 * Elevation: 254.0 m * Location: Portugal
Huttenberg_F * Latitude: 46.933416 * Longitude: 14.570337 * Elevation: 1033.0 m * Location: Austria
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1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions.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):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventFrondel, C
2Latitude of eventLatitudeFrondel, C
3Longitude of eventLongitudeFrondel, C
4Elevation of eventElevationmFrondel, C
5Sample IDSample IDFrondel, C
6DEPTH, sediment/rockDepth sedmFrondel, CGeocode
7Manganese dioxideMnO2%Frondel, CWet chemistry
8Manganese oxideMnO%Frondel, CWet chemistry
9Calcium oxideCaO%Frondel, CWet chemistry
10Strontium oxideSrO%Frondel, CWet chemistry
11Barium oxideBaO%Frondel, CWet chemistry
12Lithium oxideLi2O%Frondel, CWet chemistry
13Sodium oxideNa2O%Frondel, CWet chemistry
14Potassium oxideK2O%Frondel, CWet chemistry
15Magnesium oxideMgO%Frondel, CWet chemistry
16Nickel oxideNiO%Frondel, CWet chemistry
17Cobalt oxideCoO%Frondel, CWet chemistry
18Copper(II) oxideCuO%Frondel, CWet chemistry
19Lead oxidePbO%Frondel, CWet chemistry
20Iron oxide, Fe2O3Fe2O3%Frondel, CWet chemistry
21Silicon dioxideSiO2%Frondel, CWet chemistry
22Sulfur trioxideSO3%Frondel, CWet chemistry
23Water in rockH2O%Frondel, CWet chemistry
24Deposit typeDeposit typeFrondel, C
25DescriptionDescriptionFrondel, C
Size:
58 data points

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