(Table 1) Nd and Sr isotopic compositions and isotope dilution trace element concentrations of sediment core JM96-1213 ...

Isotope dilution concentration determinations are accurate to approx. 1% for Rb and Sr, and 0.5% for Sm and Nd. Total procedural blanks averaged apporx. 1 ng for Sr and 100 pg for Nd, during the study period. Measured 87Sr/86Sr ratios were analyzed using four-collector static mode measurements. Thir...

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Bibliographic Details
Main Authors: Verplanck, Emily P, Farmer, G Lang, Andrews, John T, Dunhill, Gita, Millo, Christian
Format: Dataset
Language:English
Published: PANGAEA 2009
Subjects:
DEPTH, sediment/rock
Sample comment
Size fraction
Rubidium
Strontium
Rubidium-87/Strontium-86 ratio
Strontium-87/Strontium-86 ratio
Strontium-87/Strontium-86 ratio, error
Samarium
Neodymium
Samarium-147/Neodymium-144 ratio
Neodymium-143/Neodymium-144 ratio
Neodymium-143/Neodymium-144 ratio, error
ε-Neodymium
Geological age
Gravity corer
Mass spectrometer Finnigan MAT 6-collector solid source
JM96
Jan Mayen
Online Access:https://dx.doi.org/10.1594/pangaea.730181
https://doi.pangaea.de/10.1594/PANGAEA.730181
Description
Summary:Isotope dilution concentration determinations are accurate to approx. 1% for Rb and Sr, and 0.5% for Sm and Nd. Total procedural blanks averaged apporx. 1 ng for Sr and 100 pg for Nd, during the 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 are calculated using a present-day 143Nd/144Nd (CHUR)=0.512638. ...

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