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Bollhöfer, A; Frank, Norbert; Rohloff, S; Mangini, Augusto; Scholten, Jan Christoph (1999): (Table 1, Page 407) Results of the 238U, 234U, 232Th and 230Th measurements on a nodule from station 62KD from SO79 cruise of R/V Sonne in the Central East Pacific Ocean [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.855887, In supplement to: Bollhöfer, A et al. (1999): A record of changing redox conditions in the northern Peru Basin during the Late Quaternary deduced from Mn/Fe and growth rate variations in two diagenetic manganese nodules. Earth and Planetary Science Letters, 170(4), 403-415, https://doi.org/10.1016/S0012-821X(99)00126-0

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Coverage:
Latitude: -6.718300 * Longitude: -90.568300
Date/Time Start: 1992-05-06T00:00:00 * Date/Time End: 1992-05-06T00:00:00
Minimum DISTANCE: 0.1 cm * Maximum DISTANCE: 3.9 cm
Event(s):
SO79_62KD * Latitude: -6.718300 * Longitude: -90.568300 * Date/Time: 1992-05-06T00:00:00 * Elevation: -4341.0 m * Location: Peru Basin * Campaign: SO79 (SEDIPERU - TUSCH) * Basis: Sonne * Method/Device: Dredge, box (DRG_B) * Comment: GPS, Mn nodules
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1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other institutions.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
1Sample IDSample IDBollhöfer, A
2DISTANCEDistancecmBollhöfer, AGeocode – from surface (nodule depth)
3Distance, minimumDist minmmBollhöfer, Afrom surface (nodule depth)
4Distance, maximumDist maxmmBollhöfer, Afrom surface (nodule depth)
5Thorium-230230Thdpm/gBollhöfer, AThermal Ionization Mass Spectrometry (TIMS)
6Thorium-230, standard deviation230Th std dev±Bollhöfer, AThermal Ionization Mass Spectrometry (TIMS)
7Thorium-232232Thdpm/gBollhöfer, AThermal Ionization Mass Spectrometry (TIMS)
8Thorium-232, standard deviation232Th std dev±Bollhöfer, AThermal Ionization Mass Spectrometry (TIMS)
9Uranium-234234Udpm/gBollhöfer, AThermal Ionization Mass Spectrometry (TIMS)
10Uranium-234, standard deviation234U std dev±Bollhöfer, AThermal Ionization Mass Spectrometry (TIMS)
11Uranium-238238Udpm/gBollhöfer, AThermal Ionization Mass Spectrometry (TIMS)
12Uranium-238, standard deviation238U std dev±Bollhöfer, AThermal Ionization Mass Spectrometry (TIMS)
13Uranium-234/Uranium-238 activity ratio(234U/238U)Bollhöfer, AComputed
14Uranium-234/Uranium-238 activity ratio, standard deviation(234U/238U) std dev±Bollhöfer, AComputed
Size:
260 data points

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