Haley, Brian A; Frank, Martin; Spielhagen, Robert F; Eisenhauer, Anton (2008): Neodymium and Strontium chemistry of IODP Exp302-Composite Site [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.769603, In supplement to: Haley, BA et al. (2008): Influence of brine formation on Arctic Ocean circulation over the past 15 million years. Nature Geoscience, 1, 68-72, https://doi.org/10.1038/ngeo.2007.5
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Project(s):
Coverage:
Latitude: 87.890000 * Longitude: 137.650000
Minimum DEPTH, sediment/rock: 10.81 m * Maximum DEPTH, sediment/rock: 189.68 m
Event(s):
302-CompSite * Latitude: 87.890000 * Longitude: 137.650000 * Elevation: -1251.0 m * Campaign: Exp302 (Arctic Coring Expedition, ACEX) * Basis: CCGS Captain Molly Kool (Vidar Viking) * Method/Device: Composite Core (COMPCORE) * Comment: Virtual core composed of spliced cores from Holes M0002A, M0003A, M0004A and M0004C. Virtual position and water depth is calculated as the mean of all Exp302 sites.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Haley, Brian A | DSDP/ODP/IODP sample designation | ||
| 2 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 3 | Sample mass | Samp m | g | Haley, Brian A | ||
| 4 | AGE | Age | ka BP | Geocode | ||
| 5 | ε-Neodymium | ε-Nd | Haley, Brian A | Weak-leache of metal-oxide coating on the sediment particles | ||
| 6 | Strontium-87/Strontium-86 ratio | 87Sr/86Sr | Haley, Brian A | Weak-leach solution, internally normalized for instrument drift using 88Sr/86Sr = 8.37521 | ||
| 7 | ε-Neodymium | ε-Nd | Haley, Brian A | Total Dissolution: Following the weak leach (i.e., the metal-oxide coating signal), a strong leach was done, then the sediments digested in HF/HNO3 for analyses of the bulk sediment Nd and Sr isotopic composition. | ||
| 8 | Strontium-87/Strontium-86 ratio | 87Sr/86Sr | Haley, Brian A | Total Dissolution: Following the weak leach (i.e., the metal-oxide coating signal), a strong leach was done, then the sediments digested in HF/HNO3 for analyses of the bulk sediment Nd and Sr isotopic composition. | ||
| 9 | Strontium-87/Strontium-86 ratio | 87Sr/86Sr | Haley, Brian A | Seawater 87Sr/86Sr for a given age estimate from the polynomial of McArthur et al., (2001, doi:10.1086/319243) | ||
| 10 | Strontium | Sr | % | Haley, Brian A | Mass-balance estimate of the percent of the weak leach 87Sr/86Sr signal potentially derived from clay contamination (SrTD) of a contemporaneous seawater 87Sr/86Sr signal (SrSW)10 | |
| 11 | - | - | Haley, Brian A | Dekta epsilon-Nd from 5% clay. Given a maximum (overestimate) contamination from clays of 5% (from Sr mass balance calculations), the potential deviation of clay-sourced Nd (NdTD) on the weak leach is estimated. In all cases, the value is less than the 2 sigma measurement error of 0.5, thus the potential for clay contamination can be ignored. |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
138 data points
Data
| 1 Sample label | 2 Depth sed [m] | 3 Samp m [g] | 4 Age [ka BP] | 5 ε-Nd (Weak-leache of metal-oxide co...) | 6 87Sr/86Sr (Weak-leach solution, internal...) | 7 ε-Nd (Total Dissolution: Following ...) | 8 87Sr/86Sr (Total Dissolution: Following ...) | 9 87Sr/86Sr (Seawater 87Sr/86Sr for a give...) | 10 Sr [%] (Mass-balance estimate of the ...) | 11 - (Dekta epsilon-Nd from 5% clay...) |
|---|---|---|---|---|---|---|---|---|---|---|
| 302-M0004C-3H-2,143-145 | 10.81 | 0.51 | 779 | -10.3 | ||||||
| 302-M0003A-2H-1,68-70 | 12.25 | 0.50 | 930 | -7.5 | ||||||
| 302-M0004C-4H-1,110-112 | 13.69 | 0.50 | 1029 | -8.0 | ||||||
| 302-M0002A-5X-1,100-102 | 21.42 | 0.50 | 1602 | -9.3 | ||||||
| 302-M0002A-5X-2,50-52 | 22.43 | 0.55 | 1691 | -6.3 | 0.70911 | -10.3 | 0.71578 | 0.70910 | 99.9 | 0.2 |
| 302-M0002A-6X-1,94-96 | 24.86 | 0.50 | 1829 | -6.6 | 0.70911 | -10.0 | 0.71497 | 0.70909 | 99.6 | 0.2 |
| 302-M0002A-7X-2,24-26 | 30.86 | 0.50 | 2128 | -8.1 | ||||||
| 302-M0002A-7X-2,24-26 | 30.86 | 0.52 | 2128 | -8.2 | ||||||
| 302-M0002A-7X-2,52-54 | 31.14 | 0.54 | 2148 | -8.2 | ||||||
| 302-M0002A-10X-2,70-72 | 43.76 | 0.50 | 3018 | -8.0 | 0.70910 | -12.1 | 0.71566 | 0.70906 | 99.4 | 0.2 |
| 302-M0002A-11X-3,70-72 | 49.70 | 0.51 | 3428 | -8.3 | 0.70900 | -11.7 | 0.71726 | 0.70906 | 100.7 | 0.2 |
| 302-M0002A-14X-1,80-82 | 60.80 | 0.52 | 4193 | -7.5 | ||||||
| 302-M0002A-16X-2,70-72 | 71.54 | 0.50 | 4934 | -7.5 | ||||||
| 302-M0002A-16X-2,70-72 | 71.54 | 0.50 | 4934 | -7.3 | ||||||
| 302-M0002A-19X-1,25-27 | 81.45 | 0.52 | 5617 | -7.6 | ||||||
| 302-M0002A-20X-2,70-72 | 88.41 | 0.50 | 6097 | -7.2 | ||||||
| 302-M0002A-23X-2,70-72 | 102.03 | 0.51 | 7037 | -7.2 | ||||||
| 302-M0002A-25X-1,78-80 | 110.99 | 1.02 | 7688 | -6.9 | 0.70887 | 9.7 | 0.71623 | 0.70894 | 100.9 | 0.1 |
| 302-M0002A-27X-2,70-72 | 122.40 | 0.51 | 8441 | -7.9 | ||||||
| 302-M0002A-29X-2,70-72 | 130.40 | 0.50 | 8993 | -8.2 | 0.70912 | -10.3 | 0.71609 | 0.70892 | 97.1 | 0.1 |
| 302-M0002A-30X-2,78-80 | 135.49 | 0.50 | 9360 | -7.8 | ||||||
| 302-M0002A-32X-1,74-76 | 140.44 | 0.51 | 11560 | -7.6 | ||||||
| 302-M0002A-34X-2,78-80 | 151.28 | 0.50 | 12308 | -6.7 | ||||||
| 302-M0002A-35X-2,78-80 | 155.05 | 0.52 | 12568 | -7.6 | 0.70885 | -11.0 | 0.71704 | 0.70882 | 99.7 | 0.2 |
| 302-M0002A-37X-2,88-90 | 164.89 | 0.50 | 13246 | -8.2 | ||||||
| 302-M0002A-38X-2,20-22 | 167.09 | 0.51 | 13398 | -8.5 | ||||||
| 302-M0002A-38X-2,80-82 | 167.69 | 0.50 | 13439 | -8.1 | ||||||
| 302-M0002A-40X-2,80-82 | 175.38 | 0.50 | 13970 | -8.7 | 0.70897 | -10.6 | 0.71556 | 0.70880 | 97.4 | 0.1 |
| 302-M0002A-42X-2,80-82 | 184.79 | 0.51 | 14619 | -8.6 | ||||||
| 302-M0002A-43X-2,70-72 | 189.68 | 0.50 | 14956 | -9.4 |