Horan, M. F.; Carlson, R.; Walker, Richard J; Jackson, Matthew; Garçon, M.; Norman, Marc
The short-lived 146Sm→142Ndisotope system (t1/2=103Ma) provides constraints on the timing and processes of terrestrial silicate fractionation during the early Hadean. Although some Archean terranes preserve variability in 142Nd/144Nd, no anomalies have been resolved previously in young rocks. This study provides high precision 142Nd/144Nd data on a suite of ocean island basalts from Samoa and Hawaii previously shown to have variable depletions in 182W/184W that are inversely correlated with...[Show more]
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