Silvina Guzmán

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A valley-filling ignimbrite re-exposed through subsequent river incision at the southern margin of the Andean (Puna) plateau preserves pristine geological evidence of prelate Miocene palaeotopography in the north western Argentine Andes. Our new 40 Ar/ 39 Ar dating of the Las Papas Ignimbrites yields a plateau age of 9.24 AE 0.03 Ma, indicating(More)
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