Data Description

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Citation:
D'Souza, M et al. (2007): Mineral analysis and geochemistry of Muehlig-Hofmannfjella granitoids, Central Drooning Maud Land, East Antarctica. doi:10.1594/PANGAEA.611560,
Supplement to: D'Souza, Mervin; Prasad, A V Keshava; Ravindra, Rasik (2006): Genesis of ferropotassic A-type granitoids of Mühlig-Hofmannfjella, Central Dronning Maud Land, East Antarctica. In: Fütterer, D K, Damaske, D, Kleinschmidt, G, Miller, H & Tessensohn, F (eds.), Antarctica: contributions to global earth sciences, Springer, Berlin, Heidelberg, New York, 45-54, hdl:10013/epic.26767.d001
Abstract:
Ferrosilite-fayalite bearing charnockite and biotite-hornblende bearing granite are exposed in Mühling-Hofmannfjella, central Dronning Maud Land of East Antarctica. 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.
Coverage:
Median Latitude: -71.815972 * Median Longitude: 6.497222 * South-bound Latitude: -72.250000 * West-bound Longitude: 5.500000 * North-bound Latitude: -71.500000 * East-bound Longitude: 7.033333
Event(s):
MAO_19A * * Latitude Start: -71.500000 * Longitude Start: 6.500000 * Latitude End: -72.250000 * Longitude End: 5.500000 * Location: Dronning Maud Land, Antarctica * * Campaign: 20th_Indian_Antarctic_Expedition * * Device: Outcrop * * Comment: position uncertain
MHO_04 * * Latitude: -71.733333 * Longitude: 6.733333 * Location: Dronning Maud Land, Antarctica * * Campaign: 20th_Indian_Antarctic_Expedition * * Device: Outcrop *
MHO_15A * * Latitude Start: -71.500000 * Longitude Start: 6.500000 * Latitude End: -72.250000 * Longitude End: 5.500000 * Location: Dronning Maud Land, Antarctica * * Campaign: 20th_Indian_Antarctic_Expedition * * Device: Outcrop * * Comment: position uncertain
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