John, Barbara E; Foster, David A; Murphy, John M; Cheadle, Michael J; Baines, A Graham; Fanning, C Mark; Copeland, Peter (2004): (Table 1) SHRIMP U-Pb zircon results for ODP Site 176-735B samples [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.714846, In supplement to: John, BE et al. (2004): Determining the cooling history of in situ lower oceanic crust-Atlantis Bank, SW Indian Ridge. Earth and Planetary Science Letters, 222(1), 145-160, https://doi.org/10.1016/j.epsl.2004.02.014
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Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: -32.723210 * Longitude: 57.266010
Date/Time Start: 1997-10-24T13:45:00 * Date/Time End: 1997-12-01T19:00:00
Minimum Elevation: -720.6 m * Maximum Elevation: -720.6 m
Event(s):
176-735B * Latitude: -32.723210 * Longitude: 57.266010 * Date/Time Start: 1997-10-24T13:45:00 * Date/Time End: 1997-12-01T19:00:00 * Elevation: -720.6 m * Penetration: 1508 m * Recovery: 865.99 m * Location: Indian Ocean * Campaign: Leg176 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 122 cores; 1003.2 m cored; 504.8 m drilled; 86.3 % recovery
Comment:
Zircon of sample 606, ODP sample 176-735B-104R-3,5-9. AGE is the 206Pb/238U age. Correction for common Pb made using the measured 238U/206Pb and 207Pb/206Pb ratios following Tera and Wasserburg (1972, doi:10.1016/0012-821X(72)90128-8), as outlined in Compston et al. (1992)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | AGE | Age | ka BP | Geocode | ||
| 2 | Age, standard deviation | Age std dev | ± | John, Barbara E | 1 sigma | |
| 3 | Sample comment | Sample comment | John, Barbara E | grain spot | ||
| 4 | Uranium | U | mg/kg | John, Barbara E | ||
| 5 | Thorium | Th | mg/kg | John, Barbara E | ||
| 6 | Thorium/Uranium ratio | Th/U | John, Barbara E | Ion probe analysis | ||
| 7 | Lead | Pb | mg/kg | John, Barbara E | Ion probe analysis | Pb* |
| 8 | Lead-204/Lead-206 ratio | 204Pb/206Pb | John, Barbara E | Ion probe analysis | ||
| 9 | Lead | Pb | % | John, Barbara E | f206 denotes the percentages of 206Pb that is common Pb | |
| 10 | Uranium-238/Lead-206 ratio | 238U/206Pb | John, Barbara E | Ion probe analysis | total | |
| 11 | Uranium-238/Lead-206, standard error | 238U/206Pb std e | ± | John, Barbara E | Ion probe analysis | total, 1 sigma |
| 12 | Lead-207/Lead-206 ratio | 207Pb/206Pb | John, Barbara E | Ion probe analysis | total | |
| 13 | Lead-207/Lead-206, standard error | 207Pb/206Pb std e | ± | John, Barbara E | Ion probe analysis | total, 1 sigma |
| 14 | Lead-206/Uranium-238 ratio | 206Pb/238U | John, Barbara E | Ion probe analysis | radiogenic | |
| 15 | Lead-206/Uranium-238, error | 206Pb/238U e | ± | John, Barbara E | Ion probe analysis | radiogenic, 1 sigma |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
209 data points