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
Data
| 1 Age [ka BP] | 2 Age std dev [±] | 3 Sample comment | 4 U [mg/kg] | 5 Th [mg/kg] | 6 Th/U | 7 Pb [mg/kg] | 8 204Pb/206Pb | 9 Pb [%] | 10 238U/206Pb | 11 238U/206Pb std e [±] | 12 207Pb/206Pb | 13 207Pb/206Pb std e [±] | 14 206Pb/238U | 15 206Pb/238U e [±] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11600 | 300 | 1.1 | 296 | 171 | 0.58 | 1 | 0.011344 | 3.79 | 535.6 | 14.5 | 0.0761 | 0.0047 | 0.00180 | 0.00005 |
| 11400 | 200 | 2.1 | 516 | 243 | 0.47 | 1 | 0.005460 | 2.76 | 548.4 | 9.8 | 0.0680 | 0.0043 | 0.00177 | 0.00003 |
| 12100 | 200 | 3.1 | 535 | 225 | 0.42 | 1 | 0.005228 | 2.04 | 522.6 | 9.0 | 0.0623 | 0.0038 | 0.00187 | 0.00003 |
| 11800 | 200 | 4.1 | 378 | 203 | 0.54 | 1 | 0.001711 | 2.97 | 531.8 | 10.4 | 0.0696 | 0.0048 | 0.00182 | 0.00004 |
| 11800 | 200 | 5.1 | 402 | 221 | 0.55 | 1 | 0.000091 | 3.22 | 528.2 | 10.2 | 0.0716 | 0.0052 | 0.00183 | 0.00004 |
| 11900 | 200 | 6.1 | 704 | 456 | 0.65 | 2 | 1.55 | 531.2 | 9.5 | 0.0585 | 0.0029 | 0.00185 | 0.00003 | |
| 11800 | 300 | 7.1 | 300 | 136 | 0.46 | 1 | 0.002183 | 5.23 | 517.5 | 11.4 | 0.0875 | 0.0047 | 0.00183 | 0.00004 |
| 12200 | 300 | 8.1 | 485 | 347 | 0.72 | 1 | 0.000813 | 1.91 | 519.9 | 10.8 | 0.0613 | 0.0040 | 0.00189 | 0.00004 |
| 11600 | 400 | 9.1 | 281 | 143 | 0.51 | 1 | 0.000177 | 5.78 | 524.6 | 16.1 | 0.0917 | 0.0081 | 0.00180 | 0.00006 |
| 12100 | 300 | 10.1 | 269 | 154 | 0.57 | 1 | 0.005046 | 3.19 | 514.1 | 14.1 | 0.0714 | 0.0045 | 0.00188 | 0.00005 |
| 12000 | 300 | 11.1 | 341 | 167 | 0.49 | 1 | 0.004256 | 4.70 | 510.0 | 10.1 | 0.0832 | 0.0051 | 0.00187 | 0.00004 |
| 11700 | 200 | 12.1 | 471 | 274 | 0.58 | 1 | 0.005045 | 2.71 | 536.6 | 9.7 | 0.0676 | 0.0033 | 0.00181 | 0.00003 |
| 12100 | 300 | 13.1 | 385 | 170 | 0.44 | 1 | 0.001501 | 2.40 | 521.2 | 10.8 | 0.0652 | 0.0040 | 0.00187 | 0.00004 |
| 12200 | 300 | 14.1 | 509 | 315 | 0.62 | 1 | 0.000010 | 2.11 | 515.5 | 11.4 | 0.0629 | 0.0031 | 0.00190 | 0.00004 |
| 12200 | 300 | 15.1 | 291 | 151 | 0.52 | 1 | 0.003466 | 3.59 | 511.2 | 13.0 | 0.0745 | 0.0065 | 0.00189 | 0.00005 |