Sillitoe, R.H., 1994, Erosion and collapse of volcanoes: Causes of telescoping in intrusion-centered ore deposits: Geology, v. 22, no. 10, p. 945-948. Authors Sillitoe, R.H. Publication Date 1994 Citation Geology, v. 22, no. 10, p. 945-948. State AZ Province BR County SC Placenames Patagonia Mts. Keywords Mining Porphyry Copper Molybdenum Volcanology Alteration More Keywords Mining, Porphyry Copper, Molybdenum, Volcanology, Alteration, AzGeoBib RefNum 13878