Abrahamsen, Niels; Sager, William W (1994): (Table 1) Estimates of the duration of the Cobb Mountain Event in ODP Leg 135 holes [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.803175, In supplement to: Abrahamsen, N; Sager, WW (1994): Cobb mountain geomagnetic polarity event and transitions in three deep-sea sediment cores from the Lau Basin. In: Hawkins, J; Parson, L; Allan, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 135, 737-762, https://doi.org/10.2973/odp.proc.sr.135.122.1994
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Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -20.586000 * Median Longitude: -176.829333 * South-bound Latitude: -20.827000 * West-bound Longitude: -176.890000 * North-bound Latitude: -20.222000 * East-bound Longitude: -176.775000
Date/Time Start: 1991-01-09T09:30:00 * Date/Time End: 1991-01-17T16:00:00
Minimum Elevation: -2764.0 m * Maximum Elevation: -2334.0 m
Event(s):
135-837A * Latitude: -20.222000 * Longitude: -176.823000 * Date/Time Start: 1991-01-09T09:30:00 * Date/Time End: 1991-01-10T11:10:00 * Elevation: -2764.0 m * Penetration: 84 m * Recovery: 83.9 m * Location: South Pacific Ocean * Campaign: Leg135 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 9 cores; 84 m cored; 0 m drilled; 99.9 % recovery
135-838A * Latitude: -20.827000 * Longitude: -176.890000 * Date/Time Start: 1991-01-12T06:45:00 * Date/Time End: 1991-01-13T16:25:00 * Elevation: -2334.0 m * Penetration: 153.8 m * Recovery: 98.65 m * Location: South Pacific Ocean * Campaign: Leg135 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 20 cores; 153.8 m cored; 0 m drilled; 64.1 % recovery
135-839A * Latitude: -20.709000 * Longitude: -176.775000 * Date/Time Start: 1991-01-15T22:30:00 * Date/Time End: 1991-01-17T16:00:00 * Elevation: -2629.0 m * Penetration: 218.2 m * Recovery: 98.82 m * Location: South Pacific Ocean * Campaign: Leg135 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 25 cores; 218.2 m cored; 0 m drilled; 45.3 % recovery
Comment:
Data are based upon the reversal stratigraphy between Jaramillo (young) and Cobb Mountain. For Section C3 the deposition rate is corrected for the presence of ca. 1 m of volcaniclastic sediments between 39 and 40 mbsf.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Sample code/label | Sample label | Abrahamsen, Niels | DSDP/ODP/IODP sample designation | ||
| 3 | Section | Sect | Abrahamsen, Niels | Cobb mountain event | ||
| 4 | Depth, relative | Depth rel | m | Abrahamsen, Niels | minimum depth of Cobb Mountain event in section | |
| 5 | Depth, relative | Depth rel | m | Abrahamsen, Niels | maximum depth of Cobb Mountain event in section | |
| 6 | Sedimentation rate | SR | cm/ka | Abrahamsen, Niels | deposition rate between end of Jaramillo Subchron = 0.91 Ma and age of Cobb Mountain = 1.12 Ma | |
| 7 | Sedimentation rate, standard deviation | SR std dev | ± | Abrahamsen, Niels | ||
| 8 | Duration | Duration | ka | Abrahamsen, Niels | of Cobb Mountain Event |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
21 data points
Data
| 1 Event | 2 Sample label | 3 Sect (Cobb mountain event) | 4 Depth rel [m] (minimum depth of Cobb Mountai...) | 5 Depth rel [m] (maximum depth of Cobb Mountai...) | 6 SR [cm/ka] (deposition rate between end o...) | 7 SR std dev [±] | 8 Duration [ka] (of Cobb Mountain Event) |
|---|---|---|---|---|---|---|---|
| 135-837A | 135-837A-3H-5 | C1 | 0.84 | 1.17 | 1.55 | 0.05 | 21.3 |
| 135-838A | 135-838A-3H-6 | C2 | 0.99 | 1.30 | 1.85 | 0.05 | 16.8 |
| 135-839A | 135-839A-5H-6 | C3 | 0.51 | 0.79 | 2.50 | 0.20 | 12.9 |