Paulo, Andrzej Thermal alterations of the Ashua Formation at the contact with a porhyry intrusion (Huambo, south Peru), a reconnaissance study - Lima Sociedad Geológica del Perú 2013 - pp. 27-30 ilus. Subjects--Topical Terms: ALTERACIÓN HIDROTERMALGEOLOGIA ECONOMICAINTRUSIONESPORFIDOS Subjects--Geographic Terms: AREQUIPAHUAMBOPERU Subjects--Index Terms: FORMACION ASHUA