Delacour, Adelie; Frueh-Green, Gretchen L; Frank, Martin; Gutjahr, Marcus; Kelley, Deborah S (2008): (Table 5) Water-rock ratios for representative samples of Atlantis Massif IODP holes [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.780724, In supplement to: Delacour, A et al. (2008): Sr- and Nd-isotope geochemistry of the Atlantis Massif (30°N, MAR): Implications for fluid fluxes and lithospheric heterogeneity. Chemical Geology, 254(1-2), 19-35, https://doi.org/10.1016/j.chemgeo.2008.05.018
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Project(s):
Coverage:
Median Latitude: 30.112926 * Median Longitude: -42.079333 * South-bound Latitude: 30.001667 * West-bound Longitude: -42.119000 * North-bound Latitude: 30.168650 * East-bound Longitude: -42.000000
Minimum DEPTH, sediment/rock: 58.55 m * Maximum DEPTH, sediment/rock: 573.98 m
Event(s):
304-U1309B * Latitude: 30.168460 * Longitude: -42.119000 * Elevation: -1642.3 m * Recovery: 46.73 m * Campaign: Exp304 (Oceanic Core Complex Formation, Atlantis Massive 1) * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 20 cores; 101.8 m cored; 45.9 % recovered; 0 m drilled; 101.8 m penetrated
304-U1309D * Latitude: 30.168650 * Longitude: -42.119000 * Elevation: -1644.9 m * Recovery: 243.69 m * Campaign: Exp304 (Oceanic Core Complex Formation, Atlantis Massive 1) * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 77 cores; 380.7 m cored; 64 % recovered; 20.5 m drilled; 401.3 m penetrated
305-U1309D * Latitude: 30.001667 * Longitude: -42.000000 * Elevation: -1644.9 m * Recovery: 799.65 m * Campaign: Exp305 (Oceanic Core Complex Formation, Atlantis Massive 2) * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 216 cores; 1014.2 m cored; 78.8 % recovered; 0 m drilled; 1415.5 m penetrated
Parameter(s):
# | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
---|---|---|---|---|---|---|
1 | Event label | Event | ||||
2 | Sample code/label | Sample label | Delacour, Adelie | DSDP/ODP/IODP sample designation | ||
3 | Rock type | Rock | Delacour, Adelie | |||
4 | DEPTH, sediment/rock | Depth sed | m | Geocode – mbsf | ||
5 | Strontium-87/Strontium-86 ratio | 87Sr/86Sr | Delacour, Adelie | |||
6 | ε-Neodymium | ε-Nd | Delacour, Adelie | calculated with Eq. (1) from the initial 143Nd/144Nd relative to CHUR (Nd)=0.512638 (Jacobsen and Wasserburg, 1980, doi:10.1016/0012-821X(80)90125-9) | ||
7 | Strontium | Sr | mg/kg | Delacour, Adelie | ||
8 | Neodymium | Nd | mg/kg | Delacour, Adelie | ||
9 | Ratio | Ratio | Delacour, Adelie | closed system, water/rock (Sr) | ||
10 | Ratio | Ratio | Delacour, Adelie | closed system, water/rock (Sr) | ||
11 | Strontium isotope exchange | Sr ex | % | Delacour, Adelie | = 100 * (epsilon-Sr altered rock - epsilon-Sr initial rock) / (epsilon-Sr seawater - epsilon-Sr initial rock) (Davis et al., 2003, doi:10.1016/S0012-821X(03)00191-2) |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
54 data points
Data
1 Event | 2 Sample label | 3 Rock | 4 Depth sed [m] (mbsf) | 5 87Sr/86Sr | 6 ε-Nd (calculated with Eq. (1) from ...) | 7 Sr [mg/kg] | 8 Nd [mg/kg] | 9 Ratio (closed system, water/rock (Sr)) | 10 Ratio (closed system, water/rock (Sr)) | 11 Sr ex [%] (= 100 * (epsilon-Sr altered r...) |
---|---|---|---|---|---|---|---|---|---|---|
304-U1309B | 304-U1309B-11R-1,23-31 | Harzburgite | 58.55 | 0.708862 | 2 | 16.0 | 4.1 | 95 | ||
304-U1309D | 304-U1309D-31R-2,19-30 | Harzburgite | 173.15 | 0.709036 | 12.1 | 32 | 39.0 | 5.2 | 98 | |
304-U1309D | 304-U1309D-42R-1,0-8 | Talc-rich harzburgite | 224.30 | 0.708571 | 14.5 | 4 | 8.0 | 3.3 | 91 | |
304-U1309D | 304-U1309D-60R-3,35-45 | Troctolite | 313.18 | 0.703354 | 9.1 | 0.1 | 10 | |||
304-U1309D | 304-U1309D-65R-2,22-30 | Cr-rich harzburgite | 335.72 | 0.706870 | 8.2 | 0.08 | 1.4 | 65 | ||
304-U1309D | 304-U1309D-83R-1,53-64 | Olivine gabbro | 415.53 | 0.703202 | 10.9 | 0.1 | 8 | |||
305-U1309D | 305-U1309D-84R-2,8-17 | Oxide-/leucogabbro | 420.96 | 0.703698 | 11.1 | 0.1 | 16 | |||
305-U1309D | 305-U1309D-116R-1,58-68 | Oxide-/leucogabbro | 573.98 | 0.703604 | 10.8 | 0.1 | 14 |