Margarite pseudomorphs after corundum, Qorqut area, Godthabsfjord, West Greenland.

  • R. F. Dymek

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Margarite (end-member CaAl2Si2Al2O10) is reported as nodular aggregates partly replacing corundum and biotite in an inclusion of migmatitic plagioclase-rich gneiss within the Qorqut granite. Retrograde reaction in the presence of volatiles is suggested in which biotite + or - plagioclase + or - corundum go to an assemblage containing margarite + muscovite + epidote. Cell parameters and chemical data are presented.-W.S.W.

Original languageEnglish
Pages (from-to)95-99
Number of pages5
JournalGronlands Geologiske Undersogelse Rapport
Volume112
StatePublished - 1983

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