Lalou, Claude; Brichet, Evelyne; Jehanno, Celestine; Perez-Leclaire, Heloise (1983): (Table 3) Results of the radiochemical analysis of powdery material surrounding the plates analyzed in Table 2 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.698980, 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):
Deep Sea Drilling Project (DSDP)
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: 0.25 m * Maximum DEPTH, sediment/rock: 20.70 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):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 2 | Sample code/label | Sample label | Lalou, Claude | DSDP/ODP/IODP sample designation | ||
| 3 | Thorium-232 | 232Th | mg/kg | Lalou, Claude | Alpha spectroscopy on plated samples | |
| 4 | Thorium-232, standard deviation | 232Th std dev | ± | Lalou, Claude | Calculated | |
| 5 | Uranium-238 | 238U | mg/kg | Lalou, Claude | Radiochemical analysis after Ku, Broecker (1969) | |
| 6 | Uranium-238, standard deviation | 238U std dev | ± | Lalou, Claude | Calculated | |
| 7 | Uranium-234/Uranium-238 activity ratio | (234U/238U) | Lalou, Claude | Radiochemical analysis after Ku, Broecker (1969) | ||
| 8 | Uranium-234/Uranium-238 activity ratio, standard deviation | (234U/238U) std dev | ± | Lalou, Claude | Calculated | |
| 9 | Thorium-230/Uranium-234 activity ratio | (230Th/234U) | Lalou, Claude | Radiochemical analysis after Ku, Broecker (1969) | ||
| 10 | Thorium-230 excess | 230Th xs | dpm/g | Lalou, Claude | Calculated | |
| 11 | Comment | Comment | Lalou, Claude | for Thorium 230, excess | ||
| 12 | Age, dated | Age dated | ka | Lalou, Claude | Radiochemical analysis after Ku, Broecker (1969) |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
288 data points
Data
| 1 Depth sed [m] | 2 Sample label | 3 232Th [mg/kg] | 4 232Th std dev [±] | 5 238U [mg/kg] | 6 238U std dev [±] | 7 (234U/238U) | 8 (234U/238U) std dev [±] | 9 (230Th/234U) | 10 230Th xs [dpm/g] | 11 Comment | 12 Age dated [ka] |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.25 | 70-509B-1-1,25-26 | 1.20 | 0.24 | 2.28 | 0.20 | 1.060 | 0.114 | 2.98 | 5.33 | for an assumed age of 5 kyr | |
| 0.74 | 70-509B-1-1,74-75 | 1.32 | 0.17 | 1.98 | 0.23 | 1.021 | 0.148 | 4.48 | 6.45 | for an assumed age of 15 kyr | |
| 1.11 | 70-509B-1-1,111-112 | 1.46 | 0.30 | 1.95 | 0.20 | 1.009 | 0.130 | 3.22 | 4.30 | 32.0 | |
| 1.30 | 70-509B-1-1,130-132 | 0.11 | 0.10 | 4.83 | 0.30 | 1.183 | 0.090 | 0.22 | 0.09 | 23.0 | |
| 1.30 | 70-509B-1-1,130-132 | 0.27 | 0.05 | 3.31 | 0.18 | 1.272 | 0.080 | 0.72 | 1.63 | 23.0 | |
| 1.33 | 70-509B-1-1,133-134 | 1.67 | 0.26 | 2.53 | 0.19 | 0.947 | 0.090 | 1.86 | 2.68 | 45.0 | |
| 1.56 | 70-509B-1-2,5-6 | 4.76 | 0.29 | 1.253 | 0.086 | 0.97 | 3.37 | 24.2 | |||
| 1.72 | 70-509B-1-2,22-23 | 0.53 | 0.15 | 6.35 | 0.33 | 1.198 | 0.065 | 0.54 | 2.09 | 19.8 | |
| 1.84 | 70-509B-1-2,34-35 | 5.31 | 0.31 | 1.308 | 0.079 | 0.61 | 1.83 | 31.7 | |||
| 2.00 | 70-509B-1-2,50-51 | 0.33 | 0.06 | 5.95 | 0.30 | 1.372 | 0.055 | 0.63 | 1.98 | 28.5 | |
| 2.10 | 70-509B-1-2,59-60 | 1.00 | 0.24 | 6.04 | 0.31 | 1.114 | 0.061 | 0.70 | 2.05 | 38.0 | |
| 2.25 | 70-509B-1-2,75-76 | 4.93 | 0.32 | 1.284 | 0.082 | 0.37 | 0.51 | 33.0 | |||
| 2.25 | 70-509B-1-2,75-76 | 2.82 | 0.35 | 4.59 | 0.30 | 1.215 | 0.093 | 0.96 | 3.76 | 33.0 | |
| 2.42 | 70-509B-1-2,92-94 | 4.78 | 0.29 | 1.213 | 0.082 | 0.82 | 1.99 | 46.6 | |||
| 2.55 | 70-509B-1-2,105-106 | 7.24 | 0.40 | 1.244 | 0.065 | 0.51 | 1.48 | 36.5 | |||
| 2.55 | 70-509B-1-2,105-106 | 9.10 | 0.50 | 1.225 | 0.063 | 0.40 | 0.91 | 36.5 | |||
| 2.71 | 70-509B-1-2,121-122 | 5.19 | 0.34 | 1.361 | 0.094 | 0.56 | 1.07 | 47.0 | |||
| 3.15 | 70-509B-2-1,15-16 | 2.10 | 0.50 | 2.18 | 0.19 | 1.037 | 0.115 | 2.70 | 4.02 | 39.0 | |
| 3.15 | 70-509B-2-1,15-16 | 1.03 | 0.25 | 1.87 | 0.15 | 1.223 | 0.125 | 1.64 | 2.25 | 39.0 | |
| 4.03 | 70-509B-2-1,103-104 | 2.61 | 0.15 | 1.033 | 0.070 | 0.98 | 1.04 | 65.5 | |||
| 4.03 | 70-509B-2-1,103-104 | 1.67 | 0.29 | 1.99 | 0.11 | 1.117 | 0.082 | 1.70 | 1.88 | 65.5 | |
| 4.19 | 70-509B-2-1,119-120 | 3.97 | 0.23 | 1.160 | 0.075 | 1.01 | 3.03 | 36.0 | |||
| 6.18 | 70-509B-2-3,18-19 | 2.65 | 0.33 | 1.18 | 0.11 | 0.986 | 0.119 | 2.47 | 1.59 | for an assumed age of 100 kyr | |
| 7.40 | 70-509B-2-3-CC | 0.76 | 0.18 | 2.09 | 0.14 | 1.257 | 0.102 | 1.12 | 0.53 | 181.0 | |
| 7.40 | 70-509B-2-3-CC | 2.65 | 0.09 | 1.307 | 0.051 | 0.89 | 0.09 | 181.0 | |||
| 7.48 | 70-509B-3-1,8-9 | 1.65 | 0.10 | 1.310 | 0.101 | 1.73 | 1.40 | 206.0 | |||
| 7.77 | 70-509B-3-1,37-38 | 0.89 | 0.09 | 1.365 | 0.176 | 1.76 | 0.85 | for an assumed age of 160 kyr | |||
| 8.08 | 70-509B-3-1,68-69 | 2.60 | 0.26 | 3.95 | 0.16 | 1.037 | 0.052 | 1.01 | 0.07 | >350.0 | |
| 8.27 | 70-509B-3-1,87-88 | 1.16 | 0.12 | 1.588 | 0.201 | 1.77 | 1.24 | for an assumed age of 170 kyr | |||
| 11.28 | 70-509B-4-1,8-9 | 7.30 | 0.33 | 1.209 | 0.056 | 0.39 | 0.54 | 40.5 | |||
| 16.30 | 70-509B-5-1,10-11 | 6.10 | 0.25 | 1.456 | 0.061 | 0.32 | 0.00 | 39.0 | |||
| 20.70 | 70-509B-6-1,10-11 | 3.61 | 0.20 | 1.192 | 0.078 | 0.41 | 0.74 | 20.6 |