Magmatic versus metamorphic origin of olivine-plagioclase coronas.

Autor: de Haas, Geert-Jan L.M., Nijland, Timo G., Valbracht, Peter J., Maijer, Cees, Verschure, Rob, Andersen, Tom
Předmět:
Zdroj: Contributions to Mineralogy & Petrology; Aug2002, Vol. 143 Issue 5, p537, 14p, 6 Black and White Photographs, 3 Charts, 6 Graphs, 1 Map
Abstrakt: Demonstrates the magmatic versus metamorphic origin of olivine-plagioclase coronas. Details on the isotopic equilibrium between inner shell orthopyroxene and magmatic assemblage; Arguments for magmatic origin; Replacement of intercumulus clinopyroxene by amphibole.
Databáze: Complementary Index