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Lalou, Claude; Brichet, Evelyne; Jehanno, Celestine; Perez-Leclaire, Heloise (1983): (Table 2) Results of the radiochemical analysis of MnO2 plates from DSDP Leg 70, Hole 509B [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.698978, In supplement to: Lalou, C et al. (1983): Hydrothermal manganese oxide deposits from Galapagos mounds, DSDP Leg 70, hole 509B and Alvin dives 729 and 721. Earth and Planetary Science Letters, 63(1), 63-75, https://doi.org/10.1016/0012-821X(83)90022-5

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Project(s):
Coverage:
Latitude: 0.588800 * Longitude: -86.132200
Date/Time Start: 1979-11-27T00:00:00 * Date/Time End: 1979-11-27T00:00:00
Minimum DEPTH, sediment/rock: 1.12 m * Maximum DEPTH, sediment/rock: 29.46 m
Event(s):
70-509B * Latitude: 0.588800 * Longitude: -86.132200 * Date/Time: 1979-11-27T00:00:00 * Elevation: -2687.0 m * Penetration: 33.8 m * Recovery: 32.5 m * Location: North Pacific/MOUND * Campaign: Leg70 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 8 cores; 33.8 m cored; 0 m drilled; 96.2 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepth sedmGeocode
2Sample code/labelSample labelLalou, ClaudeDSDP/ODP/IODP sample designation
3Uranium-238238Umg/kgLalou, ClaudeRadiochemical analysis after Ku, Broecker (1969)
4Uranium-238, standard deviation238U std dev±Lalou, ClaudeCalculated
5Uranium-234/Uranium-238 activity ratio(234U/238U)Lalou, ClaudeRadiochemical analysis after Ku, Broecker (1969)dpm/ppm
6Uranium-234/Uranium-238 activity ratio, standard deviation(234U/238U) std dev±Lalou, ClaudeCalculated
7Thorium-230/Uranium-234 activity ratio(230Th/234U)Lalou, ClaudeRadiochemical analysis after Ku, Broecker (1969)
8Thorium-230/Uranium-234 activity ratio, standard deviation(230Th/234U) std dev±Lalou, ClaudeCalculated
9Age, datedAge datedkaLalou, ClaudeRadiochemical analysis after Ku, Broecker (1969)Age of MnO2 plates
10Age, dated standard deviationAge dated std dev±Lalou, ClaudeCalculated
11Age, dated, error to olderAge e +ka +Lalou, ClaudeCalculated
12Age, dated, error to youngerAge e -ka -Lalou, ClaudeCalculated
13Age modelAge modelkaLalou, ClaudeAge of sediments
Size:
352 data points

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