Rioux, Matthew; Bowring, Samuel A; Cheadle, Michael J; John, Barbara E (2016): (Table 2) Zircons analyses from tonalite and oxide gabbro of the mid-ocean ridge from ODP Hole 176-735B [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.856807, In supplement to: Rioux, M et al. (2015): Evidence for initial excess 231Pa in mid-ocean ridge zircons. Chemical Geology, 397, 143-156, https://doi.org/10.1016/j.chemgeo.2015.01.011
Always quote citation above when using data! You can download the citation in several formats below.
Further details:
Hiess, Joe; Condon, Daniel J; McLean, Noah; Noble, Stephen R (2012): 238U/235U Systematics in Terrestrial Uranium-Bearing Minerals. Science, 335(6076), 1610-1614, https://doi.org/10.1126/science.1215507
Jaffey, A H; Flynn, K F; Glendenin, L E; Bentley, W C; Essling, A M (1971): Precision measurement of half-lives and specific activities of 235U and 238U. Physical Review C, 4(5), 1889-1906, https://doi.org/10.1103/PhysRevC.4.1889
McLean, N M; Bowring, James F; Bowring, Samuel A (2011): An algorithm for U-Pb isotope dilution data reduction and uncertainty propagation. Geochemistry, Geophysics, Geosystems, 12(6), n/a-n/a, https://doi.org/10.1029/2010GC003478
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 DEPTH, sediment/rock: 571 m * Maximum DEPTH, sediment/rock: 854 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
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Rioux, Matthew | DSDP/ODP/IODP sample designation | ||
| 2 | DEPTH, sediment/rock | Depth sed | m | Rioux, Matthew | Geocode | |
| 3 | Sample ID | Sample ID | Rioux, Matthew | |||
| 4 | Minerals | Minerals | Rioux, Matthew | |||
| 5 | Ratio | Ratio | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Ratio of radiogenic to common Pb. | |
| 6 | Lead | Pb | pg | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Total radiogenic Pb, common Pb and U. |
| 7 | Standard deviation | Std dev | ± | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Of total radiogenic Pb, common Pb and U. |
| 8 | Thorium/Uranium ratio | Th/U | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Th/U ratio calculated from 208Pb/206Pb and the 206Pb/238U date of the sample. | |
| 9 | Lead-206/Lead-204 ratio | 206Pb/204Pb | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Fractionation and spike corrected isotopic ratios, reduced using EARTHTIME ET535 tracer calibration v.3. | |
| 10 | Lead-206/Lead-204 ratio, error | 206Pb/204Pb e | ± | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Fractionation and spike corrected isotopic ratios, reduced using EARTHTIME ET535 tracer calibration v.3. |
| 11 | Lead-206/Uranium-238 ratio | 206Pb/238U | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Uncorrected fractionation, spike and blank corrected radiogenic isotope ratios. Laboratory blanks were corrected using 206Pb/204Pb = 18.638 ± 0.707, 207Pb/204Pb = 15.494 ± 0.449, 208Pb/204Pb = 37.748 ± 1.227. | |
| 12 | Lead-206/Uranium-238, error, relative | 206Pb/238U e rel | % | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Uncorrected fractionation, spike and blank corrected radiogenic isotope ratios. Laboratory blanks were corrected using 206Pb/204Pb = 18.638 ± 0.707, 207Pb/204Pb = 15.494 ± 0.449, 208Pb/204Pb = 37.748 ± 1.227. |
| 13 | Lead-207/Uranium-235 ratio | 207Pb/235U | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Uncorrected fractionation, spike and blank corrected radiogenic isotope ratios. Laboratory blanks were corrected using 206Pb/204Pb = 18.638 ± 0.707, 207Pb/204Pb = 15.494 ± 0.449, 208Pb/204Pb = 37.748 ± 1.227. | |
| 14 | Lead-207/Uranium-235, error, relative | 207Pb/235U e rel | % | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Uncorrected fractionation, spike and blank corrected radiogenic isotope ratios. Laboratory blanks were corrected using 206Pb/204Pb = 18.638 ± 0.707, 207Pb/204Pb = 15.494 ± 0.449, 208Pb/204Pb = 37.748 ± 1.227. |
| 15 | Lead-207/Lead-206 ratio | 207Pb/206Pb | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Uncorrected fractionation, spike and blank corrected radiogenic isotope ratios. Laboratory blanks were corrected using 206Pb/204Pb = 18.638 ± 0.707, 207Pb/204Pb = 15.494 ± 0.449, 208Pb/204Pb = 37.748 ± 1.227. | |
| 16 | Lead-207/Lead-206, error, relative | 207Pb/206Pb e rel | % | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Uncorrected fractionation, spike and blank corrected radiogenic isotope ratios. Laboratory blanks were corrected using 206Pb/204Pb = 18.638 ± 0.707, 207Pb/204Pb = 15.494 ± 0.449, 208Pb/204Pb = 37.748 ± 1.227. |
| 17 | Correlation coefficient, isotope ratio error | Rho | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Uncorrected correlation coefficient of radiogenic 207Pb*/235U and 206Pb*/238U. | |
| 18 | Age, mineral | Age mineral | Ma | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Uncorrected dates using: 238U / 235U = 137.818 (Hiess et al., 2012; doi: 10.1126/science.1215507), and decay constants of 238U = 1.5513 * 10**-10 yr**-1 and 235U = 9.8485 * 10**-10 yr**-1 (Jaffey et al., 1971; doi:10.1103/PhysRevC.4.1889). |
| 19 | Standard deviation | Std dev | ± | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Uncorrected dates using: 238U / 235U = 137.818 (Hiess et al., 2012; doi: 10.1126/science.1215507), and decay constants of 238U = 1.5513 * 10**-10 yr**-1 and 235U = 9.8485 * 10**-10 yr**-1 (Jaffey et al., 1971; doi:10.1103/PhysRevC.4.1889). |
| 20 | Age, mineral | Age mineral | Ma | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Uncorrected dates using: 238U / 235U = 137.818 (Hiess et al., 2012; doi: 10.1126/science.1215507), and decay constants of 238U = 1.5513 * 10**-10 yr**-1 and 235U = 9.8485 * 10**-10 yr**-1 (Jaffey et al., 1971; doi:10.1103/PhysRevC.4.1889). |
| 21 | Standard deviation | Std dev | ± | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Uncorrected dates using: 238U / 235U = 137.818 (Hiess et al., 2012; doi: 10.1126/science.1215507), and decay constants of 238U = 1.5513 * 10**-10 yr**-1 and 235U = 9.8485 * 10**-10 yr**-1 (Jaffey et al., 1971; doi:10.1103/PhysRevC.4.1889). |
| 22 | Age, mineral | Age mineral | Ma | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Uncorrected dates using: 238U / 235U = 137.818 (Hiess et al., 2012; doi: 10.1126/science.1215507), and decay constants of 238U = 1.5513 * 10**-10 yr**-1 and 235U = 9.8485 * 10**-10 yr**-1 (Jaffey et al., 1971; doi:10.1103/PhysRevC.4.1889). |
| 23 | Standard deviation | Std dev | ± | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Uncorrected dates using: 238U / 235U = 137.818 (Hiess et al., 2012; doi: 10.1126/science.1215507), and decay constants of 238U = 1.5513 * 10**-10 yr**-1 and 235U = 9.8485 * 10**-10 yr**-1 (Jaffey et al., 1971; doi:10.1103/PhysRevC.4.1889). |
| 24 | Discordance | D | % | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Uncorrected: 100 - (100 *(206Pb/238U date)/(207Pb/206Pb date)). |
| 25 | Lead-206/Uranium-238 ratio | 206Pb/238U | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Th-corrected fractionation, spike and blank corrected radiogenic isotope ratios. Laboratory blanks were corrected using 206Pb/204Pb = 18.638 ± 0.707, 207Pb/204Pb = 15.494 ± 0.449, 208Pb/204Pb = 37.748 ± 1.227. | |
| 26 | Lead-206/Uranium-238, error, relative | 206Pb/238U e rel | % | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Th-corrected fractionation, spike and blank corrected radiogenic isotope ratios. Laboratory blanks were corrected using 206Pb/204Pb = 18.638 ± 0.707, 207Pb/204Pb = 15.494 ± 0.449, 208Pb/204Pb = 37.748 ± 1.227. |
| 27 | Lead-207/Lead-206 ratio | 207Pb/206Pb | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Th-corrected fractionation, spike and blank corrected radiogenic isotope ratios. Laboratory blanks were corrected using 206Pb/204Pb = 18.638 ± 0.707, 207Pb/204Pb = 15.494 ± 0.449, 208Pb/204Pb = 37.748 ± 1.227. | |
| 28 | Lead-207/Lead-206, error, relative | 207Pb/206Pb e rel | % | Rioux, Matthew | Thermal Ionization Mass Spectrometry (TIMS) | Th-corrected fractionation, spike and blank corrected radiogenic isotope ratios. Laboratory blanks were corrected using 206Pb/204Pb = 18.638 ± 0.707, 207Pb/204Pb = 15.494 ± 0.449, 208Pb/204Pb = 37.748 ± 1.227. |
| 29 | Correlation coefficient, isotope ratio error | Rho | Rioux, Matthew | Calculated | Th-corrected correlation coefficient of radiogenic 207Pb*/235U and 206Pb*/238U. | |
| 30 | Age, mineral | Age mineral | Ma | Rioux, Matthew | Calculated | Th-corrected dates using: 238U / 235U = 137.818 (Hiess et al., 2012; doi: 10.1126/science.1215507), and decay constants of 238U = 1.5513 * 10**-10 yr**-1 and 235U = 9.8485 * 10**-10 yr**-1 (Jaffey et al., 1971; doi:10.1103/PhysRevC.4.1889). |
| 31 | Standard deviation | Std dev | ± | Rioux, Matthew | Calculated | Th-corrected dates using: 238U / 235U = 137.818 (Hiess et al., 2012; doi: 10.1126/science.1215507), and decay constants of 238U = 1.5513 * 10**-10 yr**-1 and 235U = 9.8485 * 10**-10 yr**-1 (Jaffey et al., 1971; doi:10.1103/PhysRevC.4.1889). |
| 32 | Age, mineral | Age mineral | Ma | Rioux, Matthew | Calculated | Th-corrected dates using: 238U / 235U = 137.818 (Hiess et al., 2012; doi: 10.1126/science.1215507), and decay constants of 238U = 1.5513 * 10**-10 yr**-1 and 235U = 9.8485 * 10**-10 yr**-1 (Jaffey et al., 1971; doi:10.1103/PhysRevC.4.1889). |
| 33 | Standard deviation | Std dev | ± | Rioux, Matthew | Calculated | Th-corrected dates using: 238U / 235U = 137.818 (Hiess et al., 2012; doi: 10.1126/science.1215507), and decay constants of 238U = 1.5513 * 10**-10 yr**-1 and 235U = 9.8485 * 10**-10 yr**-1 (Jaffey et al., 1971; doi:10.1103/PhysRevC.4.1889). |
| 34 | Discordance | D | % | Rioux, Matthew | Calculated | Th-corrected: 100 - (100 *(206Pb/238U date)/(207Pb/206Pb date)). |
| 35 | Protactinium-231/Uranium-235 ratio | 231Pa/235U | Rioux, Matthew | Calculated | Calculated initial conditionsafter McLean et al. (2011; doi:10.1029/2010GC003478). | |
| 36 | Protactinium-231/Uranium-235 ratio, standard deviation | 231Pa/235U std dev | ± | Rioux, Matthew | Calculated | Calculated initial conditions after McLean et al. (2011; doi:10.1029/2010GC003478). |
| 37 | Protactinium-231/Uranium-235 ratio | 231Pa/235U | Rioux, Matthew | Calculated | (231Pa)/(235U)magma = 2.52 Zircon DPa/DU, calculated initial conditions after McLean et al. (2011; doi:10.1029/2010GC003478). | |
| 38 | Protactinium-231/Uranium-235 ratio, standard deviation | 231Pa/235U std dev | ± | Rioux, Matthew | Calculated | (231Pa)/(235U)magma = 2.52 Zircon DPa/DU, calculated initial conditions after McLean et al. (2011; doi:10.1029/2010GC003478). |
| 39 | Protactinium-231/Uranium-235 ratio | 231Pa/235U | Rioux, Matthew | Calculated | (231Pa)/(235U)magma = 1.00 Zircon DPa/DU, calculated initial conditions after McLean et al. (2011; doi:10.1029/2010GC003478). | |
| 40 | Protactinium-231/Uranium-235 ratio, standard deviation | 231Pa/235U std dev | ± | Rioux, Matthew | Calculated | (231Pa)/(235U)magma = 1.00 Zircon DPa/DU, calculated initial conditions after McLean et al. (2011; doi:10.1029/2010GC003478). |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
780 data points