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Data Publisher for Earth & Environmental Science

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. 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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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):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Event labelEvent
Sample code/labelSample labelDelacour, AdelieDSDP/ODP/IODP sample designation
Rock typeRockDelacour, Adelie
DEPTH, sediment/rockDepth sedmGeocode – mbsf
Strontium-87/Strontium-86 ratio87Sr/86SrDelacour, Adelie
ε-Neodymiumε-NdDelacour, Adeliecalculated 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)
StrontiumSrmg/kgDelacour, Adelie
NeodymiumNdmg/kgDelacour, Adelie
RatioRatioDelacour, Adelieclosed system, water/rock (Sr)
10 RatioRatioDelacour, Adelieclosed system, water/rock (Sr)
11 Strontium isotope exchangeSr 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)
Size:
54 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Event

Sample label

Rock

Depth sed [m]
(mbsf)

87Sr/86Sr

ε-Nd
(calculated with Eq. (1) from ...)

Sr [mg/kg]

Nd [mg/kg]

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-1,23-31Harzburgite58.550.708862216.04.195
304-U1309D 304-U1309D-31R-2,19-30Harzburgite173.150.70903612.13239.05.298
304-U1309D304-U1309D-42R-1,0-8Talc-rich harzburgite224.300.70857114.548.03.391
304-U1309D304-U1309D-60R-3,35-45Troctolite313.180.7033549.10.110
304-U1309D304-U1309D-65R-2,22-30Cr-rich harzburgite335.720.7068708.20.081.465
304-U1309D304-U1309D-83R-1,53-64Olivine gabbro415.530.70320210.90.18
305-U1309D 305-U1309D-84R-2,8-17Oxide-/leucogabbro420.960.70369811.10.116
305-U1309D305-U1309D-116R-1,58-68Oxide-/leucogabbro573.980.70360410.80.114