Hudson Volcano (45 degrees 54S, 72 degrees 58'W) represents the southernmost central volcano of the South Andean Volcanic Zone (SVZ). It lies about 280 km east of Nazca-Antarctic South American Plate Triple Junction, where ...

Major- and trace-element, Sr-Nd isotopes, and mineral chemistry data were obtained for a collection of volcanic rock samples erupted by the Cay and Maca. Quaternary volcanoes, Patagonian Andes (similar to45degreesS, Chile). ...