Ozima, Minoru; Saito, K; Takigami, Yutaka (1981): (Table 2) Final age dating and associated data at DSDP Holes 61-462 and 61-462A [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.819945, In supplement to: Ozima, M et al. (1981): 40Ar–39Ar geochronological studies on rocks drilled at Holes 462 and 462A, Deep Sea Drilling Project Leg 61. In: Larson, RL; Schlanger, SO; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 61, 701-703, https://doi.org/10.2973/dsdp.proc.61.128.1981
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Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 7.239600 * Median Longitude: 165.031100 * South-bound Latitude: 7.237500 * West-bound Longitude: 165.030500 * North-bound Latitude: 7.241700 * East-bound Longitude: 165.031700
Date/Time Start: 1978-05-28T00:00:00 * Date/Time End: 1978-06-09T00:00:00
Minimum Elevation: -5181.0 m * Maximum Elevation: -5177.0 m
Event(s):
61-462 * Latitude: 7.237500 * Longitude: 165.030500 * Date/Time: 1978-05-28T00:00:00 * Elevation: -5181.0 m * Penetration: 617 m * Recovery: 386 m * Campaign: Leg61 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 70 cores; 627.4 m cored; 0 m drilled; 61.5 % recovery
61-462A * Latitude: 7.241700 * Longitude: 165.031700 * Date/Time: 1978-06-09T00:00:00 * Elevation: -5177.0 m * Penetration: 1068.5 m * Recovery: 344 m * Campaign: Leg61 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 90 cores; 619.5 m cored; 14.5 m drilled; 55.5 % recovery
Comment:
Empty cells = no data.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Sample code/label | Sample label | Ozima, Minoru | DSDP/ODP/IODP sample designation | ||
| 3 | Rock type | Rock | Ozima, Minoru | |||
| 4 | Age, dated | Age dated | ka | Ozima, Minoru | see reference(s) | Total fusion age = 1/lambda ln [1 + J(40Ar/39Ar)total]* (40Ar/39Ar)total = Sum-fi (40Ar/39Ar)i*fi = 39Ar fraction released |
| 5 | Age, dated standard deviation | Age dated std dev | ± | Ozima, Minoru | see reference(s) | |
| 6 | Age, dated | Age dated | ka | Ozima, Minoru | see reference(s) | Plateau age; Only for the fusion fraction, which constitutes more than 80% of the 39Ar released |
| 7 | Age, dated | Age dated | ka | Ozima, Minoru | see reference(s) | Isocrhon age; MSUM = SUMS/N-2. N = number of fractions (Brooks et al., 1972). |
| 8 | Age, dated standard deviation | Age dated std dev | ± | Ozima, Minoru | see reference(s) | |
| 9 | Comment | Comment | Ozima, Minoru |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
17 data points
Data
| 1 Event | 2 Sample label (DSDP/ODP/IODP sample designation) | 3 Rock | 4 Age dated [ka] (Total fusion age = 1/lambda l...) | 5 Age dated std dev [±] (see reference(s)) | 6 Age dated [ka] (Plateau age; Only for the fus...) | 7 Age dated [ka] (Isocrhon age; MSUM = SUMS/N-2...) | 8 Age dated std dev [±] (see reference(s)) | 9 Comment |
|---|---|---|---|---|---|---|---|---|
| 61-462 | 61-462-60-1,65-69 | Clinopyroxene-plagioclase phyric basalt | 76500 | 2300 | 120000 | |||
| 61-462A | 61-462A-32-1,46-49 | Clinopyroxene-plagioclase phyric basalt | 104000 | 11000 | 110000 | 110000 | 2860 | Except for 600°C fraction |
| 61-462A | 61-462A-50-3,130-134 | Dolerite | 130000 | 15000 |