The issue of the terrestrial record of ^(146)Sm

• Published in: Geochimica et Cosmochimica Acta
• Main Authors: Sharma, M., Papanastassiou, D. A., Wasserburg, G. J., Dymek, R. F.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: Elsevier 1996
• Subjects: Collerson; Greenland; Harper
• Online Access: https://authors.library.caltech.edu/42496/; https://resolver.caltech.edu/CaltechAUTHORS:20131115-113712611

Harper and Jacobsen (1992a) have reported a 33 μ (μ = parts per million) ^(142)Nd excess in a 3.8 Ga felsic gneiss (IE 715-28) from Isua, West Greenland. This excess was interpreted as due to a preserved effect in a parent reservoir produced early (between 4.5 and 4.3 Ga) while the short-lived paren...