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Kleinschmidt, Georg; Helferich, Stefan; Henjes-Kunst, Friedhelm; Jackson, Chris; Frimmel, Hartwig E (2011): Geochemistry and ages of rock samples from Kirwanveggen, Antarctica. doi:10.1594/PANGAEA.763714,
Supplement to: Kleinschmidt, G et al. (2000): The pre-Permo-Carboniferous rocks and structures from southern Kirwanveggen, Dronning Maud Land, Antarctica. Polarforschung, 66(3), 7-18, hdl:10013/epic.29761.d001

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The basement of southern Kirwanveggen (western Dronning Maud Land) is formed by a SSW-dipping section consisting of (from SW to NE): migmatic gneisses; granitoid; low-grade/prograde meta-pelites, meta-psammites and meta-basalts (= "Polaris Formation"); ortho-gneiss; quartzite mylonite; Polaris Formation; quartzite mylonite; meta-turbidites.
These units are (partly) separated by at least four SSW-dipping, NE to N directed major thrusts. Most probably, this thrust system is of Pan-African age. Towards north, the section is followed by the molasse-like Urfjell Group, deposited later than approx. 550 Ma and earlier than 450 Ma. Similarities with the Pan-African of the Shackleton Range (thrusting, molasse) led to the assumption, that the East/West Gondwana suture runs from the Shackleton Range towards Sor Rondane (eastern Dronning Maud Land) passing southern Kirwanveggen at its south-east.
Latitude: -73.500000 * Longitude: -5.660000
Kirwanveggen * Latitude: -73.500000 * Longitude: -5.660000 * Location: Kirwanveggen, Dronning Maud Land, Antarctica * Device: Geological sample (GEOS)
2 datasets

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