Cerro Volcánico (also known as Fonck) is a cinder cone in Argentina, located southeast of the massive stratovolcano of Tronador. The cone produced a single andesite lava flow, which has been bracketed in age between 70,000 and 14,000 years ago.
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See also List of volcanoes in Argentina El Bolsón, Río Negro El Bolsón Airport