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Archive · collection · 2007

Mineral analysis and geochemistry of Muehlig-Hofmannfjella granitoids, Central Drooning Maud Land, East Antarctica

Listed in PANGAEA and DataCite — shown once because both records carry DOI 10.1594/pangaea.611560

Ferrosilite-fayalite bearing charnockite and biotite-hornblende bearing granite are exposed in Mühling-Hofmannfjella, central Dronning Maud Land of East Antarctica.

Description

Both are interpreted as essentially parts of a single pluton in spite of their contrasting mineral assemblages. Based on petrologic and geochemical studies, it is proposed that H2O-undersaturated parent magma with igneous crustal component that fractionated under different oxygen fugacity conditions resulted in the Mühlig-Hofmannfjella granitoids.

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Inferred from text
Geology 72%
Provenance · 2 source records, 8 field assertions
SourceKeyLast seenRaw
PANGAEAoai:pangaea.de:doi:10.1594/PANGAEA.61156013 d agoJSON v1
DataCite10.1594/pangaea.61156013 d agoJSON v1
FieldAssertionExtractorEvidence
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