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Farmer, G Lang; Barber, Donald C; Andrews, John T (2003): (Table 1) Nd, Sr and Pb isotopic compositions and isotope dilution trace element concentrations od sediment core MD99-2236. PANGAEA,

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Related to:
Farmer, G Lang; Barber, Donald C; Andrews, John T (2003): Provenance of Late Quaternary ice-proximal sediments in the North Atlantic: Nd, Sr and Pb isotopic evidence. Earth and Planetary Science Letters, 209(1-2), 227-243,
Latitude: 54.616667 * Longitude: -56.176167
Date/Time Start: 1999-08-01T00:00:00 * Date/Time End: 1999-08-01T00:00:00
Minimum DEPTH, sediment/rock: 19.6000 m * Maximum DEPTH, sediment/rock: 21.0050 m
MD99-2236 (25C) * Latitude: 54.616667 * Longitude: -56.176167 * Date/Time: 1999-08-01T00:00:00 * Elevation: -520.0 m * Recovery: 21.15 m * Location: Cartwright Saddle * Campaign: MD114 (IMAGES V) * Basis: Marion Dufresne * Device: Calypso Corer (CALYPSO)
Isotope dilution concentration determinations accurate to ~1% for Rb and Sr, and 0.5% for Sm and Nd. Total procedural blanks averaged not, vert, similar1 ng for Pb and Sr, and 100 pg for Nd, during study period. Measured 87Sr/86Sr ratios were analyzed using four-collector static mode measurements. Thirty measurements of SRM-987 during the study period yielded mean 87Sr/86Sr=0.71032±2. Measured 143Nd/144Nd normalized to 146Nd/144Nd=0.7219. Analyses were dynamic mode, three-collector measurements. Thirty-three measurements of the La Jolla Nd standard during the study period yielded a mean 143Nd/144Nd=0.511838±8 (2sigma mean). e-Nd values calculated using a present day 143Nd/144Nd(CHUR)=0.512638. Pb isotopic analyses were four-collector static mode measurements. Sixteen measurements of SRM-981 during the study period yielded 208Pb/204Pb=36.56± 0.03, 207Pb/204Pb=15.449±0.008, 206Pb/204Pb=16.905±0.007 (2sigma mean). Measured Pb isotope ratios were corrected to SRM-981 values (208Pb/204Pb=36.721, 207Pb/204Pb=15.491, 206Pb/204Pb=16.937).
#NameShort NameUnitPrincipal InvestigatorMethodComment
1DEPTH, sediment/rockDepthmGeocode
2Depth, top/minDepth topmFarmer, G Lang
3Depth, bottom/maxDepth botmFarmer, G Lang
4Sample commentSample commentFarmer, G Lang
5Lithology/composition/faciesLithologyFarmer, G Lang
6RubidiumRbmg/kgFarmer, G Lang
7StrontiumSrmg/kgFarmer, G Lang
8Rubidium 87/Strontium 86 ratio87Rb/86SrFarmer, G Lang
9Strontium 87/Strontium 8687Sr/86SrFarmer, G Lang
10Strontium 87/Strontium 86, error87Sr/86Sr e±Farmer, G Lang
11SamariumSmmg/kgFarmer, G Lang
12NeodymiumNdmg/kgFarmer, G Lang
13Samarium 147/Neodymium 144 ratio147Sm/144NdFarmer, G Lang
14Neodymium 143/Neodymium 144143Nd/144NdFarmer, G Lang
15Neodymium 143/Neodymium 144, error143Nd/144Nd e±Farmer, G Lang
16ε-Neodymiumε-NdFarmer, G Lang
17Geological ageAgeGaFarmer, G Lang
18Lead 208/Lead 204 ratio208Pb/204PbFarmer, G Lang
19Lead 207/Lead 204 ratio207Pb/204PbFarmer, G Lang
20Lead 206/Lead 204 ratio206Pb/204PbFarmer, G Lang
33 data points

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