Kempton, Pamela D; Fitton, J Godfrey; Saunders, Andrew D; Nowell, G M; Taylor, R N; Hardarson, B S; Pearson, Grant (2000): (Appendix Table 1) Hf isotope ratios of basalts from the North Atlantic Igneous Province from several DSDP/ODP holes [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.716892, In supplement to: Kempton, PD et al. (2000): The Iceland plume in space and time: a Sr-Nd-Pb-Hf study of the North Atlantic rifted margin. Earth and Planetary Science Letters, 177(3-4), 255-271, https://doi.org/10.1016/S0012-821X(00)00047-9
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Related to:
Nowell, G M; Kempton, Pamela D; Noble, S R; Fitton, J Godfrey; Saunders, Andrew D; Mahoney, John J; Taylor, R N (1998): High precision Hf isotope measurements of MORB and OIB by thermal ionisation mass spectrometry: insights into the depleted mantle. Chemical Geology, 149(3-4), 211-233, https://doi.org/10.1016/S0009-2541(98)00036-9
Project(s):
Deep Sea Drilling Project (DSDP)
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 57.467379 * Median Longitude: -29.126429 * South-bound Latitude: 36.543200 * West-bound Longitude: -39.901900 * North-bound Latitude: 68.503000 * East-bound Longitude: -12.462000
Date/Time Start: 1974-09-09T00:00:00 * Date/Time End: 1995-10-01T13:00:00
Minimum Elevation: -4420.0 m * Maximum Elevation: -262.6 m
Event(s):
38-348 * Latitude: 68.503000 * Longitude: -12.462000 * Date/Time: 1974-09-09T00:00:00 * Elevation: -1763.0 m * Penetration: 544 m * Recovery: 212.5 m * Location: North Atlantic/Norwegian Sea/PLATEAU * Campaign: Leg38 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 34 cores; 315.5 m cored; 0 m drilled; 67.4 % recovery
49-407 * Latitude: 63.938700 * Longitude: -30.576000 * Date/Time: 1976-07-23T00:00:00 * Elevation: -2472.0 m * Penetration: 458.5 m * Recovery: 171.6 m * Location: North Atlantic/RIDGE * Campaign: Leg49 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 40 cores; 382.5 m cored; 57 m drilled; 44.9 % recovery
49-408 * Latitude: 63.377200 * Longitude: -28.911800 * Date/Time: 1976-07-29T00:00:00 * Elevation: -1624.0 m * Penetration: 361 m * Recovery: 218.4 m * Location: North Atlantic/RIDGE * Campaign: Leg49 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 37 cores; 351.5 m cored; 9.5 m drilled; 62.1 % recovery
Comment:
Lu and Hf concentrations determined by ICP-MS at the Univ. of Durham, except for the samples from Goban Spur (Leg 80), which were determined by INAA at Leicester University. Ages of Leg 163 are from Tegner and Duncan (1999, doi:10.2973/odp.proc.sr.163.108.1999)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Latitude of event | Latitude | ||||
| 3 | Longitude of event | Longitude | ||||
| 4 | Elevation of event | Elevation | m | |||
| 5 | AGE | Age | ka BP | Geocode | ||
| 6 | Sample code/label | Sample label | Kempton, Pamela D | DSDP/ODP/IODP sample designation | ||
| 7 | Sample method | Sample method | Kempton, Pamela D | Hf isotope, a = previously presented in Nowell et al. (1998) | ||
| 8 | Lutetium | Lu | mg/kg | Kempton, Pamela D | ||
| 9 | Hafnium | Hf | mg/kg | Kempton, Pamela D | ||
| 10 | Hafnium-176/Hafnium-177 | 176Hf/177Hf | Kempton, Pamela D | |||
| 11 | ε-Hafnium | ε-Hf | Kempton, Pamela D | |||
| 12 | Δ ε-Hafnium | Δ ε-Hf | Kempton, Pamela D | Calculated | relative to the mantle array regression (e-Nd = 1.33e-Nd+3.19) | |
| 13 | Δ Niobium | Δ Nb | Kempton, Pamela D | Calculated |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
351 data points