Impact melting and mechanical mixing of K-feldspar and plagioclase liquids: Maniitsoq structure, West Greenland

A.A. Garde, N. Keulen

Research output: Contribution to journalAbstract in journal

Abstract

The remains of the deeply exhumed, 3 Ga Maniitsoq impact structure are hosted by granulite-facies orthogneisses and relict metavolcanic belts. Its 35 x 50 km large core (Finnefjeld domain) is thoroughly comminuted by impact-induced seismic oscillations. The surrounding melt zone displays direct mineral melting, localised crush zones and subsequent fluid-assisted anatectic melting triggered by the impacting.
Original languageEnglish
Article number5005
JournalMeteoritics and Planetary Science
Volume48
Issue numbers1
DOIs
Publication statusPublished - 2013
Event76th Annual meeting of the Meteoritical Society - Edmonton, Canada
Duration: 29 Jul 20132 Aug 2013
Conference number: 76

Programme Area

  • Programme Area 4: Mineral Resources

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