A new stratigraphy for the Latady Basin, Antarctic Peninsula: Part 1, Ellsworth Land Volcanic Group

The Jurassic Mount Poster Formation of eastern Ellsworth Land, southern Antarctic Peninsula, comprises silicic ignimbrites related to intracontinental rifting of Gondwana. The identification of less voluminous basaltic and sedimentary facies marginal to the silicic deposits has led to a reclassifica...

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Veröffentlicht in:	Geological magazine 2006-11, Vol.143 (6), p.777-796
Hauptverfasser:	HUNTER, M. A., RILEY, T. R., CANTRILL, D. J., FLOWERDEW, M. J., MILLAR, I. L.
Format:	Artikel
Sprache:	eng
Schlagworte:	absolute age Antarctic Peninsula Antarctica Argentina Basalt basalts basin analysis basins continental crust crust crustal contamination dates depositional environment Ellsworth Land Ellsworth Land Group fossil wood Geochemistry Geology Gondwana igneous rocks ion probe data isotope ratios isotopes Jurassic Latady Basin lithofacies Lithosphere lithostratigraphy magma contamination mantle mantle plumes mass spectra Mesozoic metals Mount Ballard Mount Edward Mount Jenkins Mount Poster Formation Mount Wasilewski Nd-144/Nd-143 neodymium nesosilicates Original Article orthosilicates paleoenvironment Patagonia petrography plate tectonics rare earths rhyolite rhyolites Rifting Rocks Sandstone sedimentary basins sedimentation Sedimentation & deposition Silica silicates South America spectra stable isotopes Stratigraphy Sweeney Formation U/Pb Volcanic eruptions volcanic rocks volcanism Volcanoes zircon zircon group
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