Auteur James K. Mortensen
Documents disponibles écrits par cet auteur (3)
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James K. Mortensen, Auteur ; David Craw, Auteur ; Douglas J. MacKenzie, Auteur |The Otago Schist belt of southern New Zealand hosts numerous orogenic gold deposits that formed in a range of structural and lithological settings during and after Mesozoic metamorphism. Previous 40Ar/39Ar dating studies in the Otago Schist belt[...]
Article : texte imprimé
Richard H. Sillitoe, Auteur ; James K. Mortensen, Auteur |Metal introduction at the late Paleocene to early Eocene Quellaveco porphyry copper-molybdenum deposit in southern Peru spans several phases of quartz monzonite porphyry emplacement and is bracketed by a precursor granodiorite pluton and a late-[...]
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Lawrence S. Winter, Auteur ; Richard M. Tosdal, Auteur ; James K. Mortensen, Auteur |A ~10-km-thick sequence of basaltic to rhyolitic volcanic rocks forms the arc component of the Cretaceous Lancones basin in northwestern Peru and underlies part of the Huancabamba deflection. The marine volcanic successions show markedly differe[...]
