The Origin of the HIMU Geochemical Signature by Carbonate Melt Scavenging: Constraints from the Balleny Islands, Ross Sea, Antarctica1993 - Basalt - 108 pages |
Contents
Analytical methods | 4 |
Alteration | 8 |
constraints on the age and original parent of | 14 |
2 other sections not shown
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Common terms and phrases
accessory minerals alkali basalts alkali carbonatite amphibole apatite asthenosphere Balleny Islands Balleny lavas Balleny samples Cameroon line carbonate materials carbonate melt carbonated peridotite carbonatite melt extraction component CRUZ The University dolomitized peridotite Earth Planet Eggler element rich accessory EMII signatures extreme HIMU Falloon and Green Figure Halliday Helena heterogeneity HIMU islands HIMU isotopic signatures HIMU OIB HIMU reservoir HIMU signature Hoernle ilmenite isotope ratios isotopic growth lines isotopic modeling isotopic signatures isotopic systems Kerguelen Lett lherzolite lithosphere Loihi LREE magnesite Mangaia Mantle plumes mantle source metasomatism moderate HIMU MORB lines NHRL oceanic crust parent reservoir partial melting Pb isotope data petrogenesis phlogopite precipitate Primitive Mantle Normalized radiogenic rutile S.R. Hart Sabrina Island Sabrina samples Si-undersaturated similar isotopic signatures Sturge Island Sturge reservoir Sturge samples suggest trace element ratios trace element rich trace element signature upper mantle Wallace and Green Walvis Weld carbonatite xenoliths