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![](./images/clear.gif) 1.- 30 million years of Permian volcanism recorded in the Choiyoi igneous province (W Argentina) and their source for younger ash fall deposits in the Parana Basin; SHRIMP U-Pb zircon geochronology evidence
Elsevier on behalf of International Association for Gondwana Research; Amsterdam and Kochi; III; Int, 2011
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![](./images/clear.gif) 2.- La Peligrosa Caldera (47 degrees 15'S, 71 degrees 40'W); a key event during the Jurassic ignimbrite flare-up in southern Patagonia, Argentina
Elsevier; Amsterdam; NLD; Netherlands, 2014
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