Rare earth element abundances in rocks and minerals from the Fiskenaesset Complex, West Greenland
作者： Paul Henderson , Susan J. Fishlock , J.C. Laul , T.D. Cooper , R.L. Conard
DOI: 10.1016/0012-821X(76)90006-6
关键词: Rare-earth element 、 Geology 、 Chondrite 、 Geochemistry 、 Plagioclase 、 Geology of the Moon 、 Trace element 、 Anorthosite 、 Mafic 、 Partial melting
摘要: Abstract Rare earth element (REE) abundances determined by activation analysis in rocks, plagioclase and mafic separates from the Fiskenaesset Complex are presented together with data on major trace elements minerals. The REE for rocks plagioclases distinct those of many other anorthositic complexes some lowest recorded terrestrial anorthosites. bulk compositions show a number similarities to lunar plagioclases. positive Eu anomaly about 10 depletion heavy relative light ones. enriched ones, no except one sample not attributable contamination. It is estimated, experimental partition coefficient data, that pattern magma at an early stage fractionation was La (17×) Lu (0.7× chondrites) possible anomaly. This highly fractionated may be attributed partial melting garnet-bearing source.
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