Oliver, Jim Precious-metal-bearing volcanogenic massive sulfide deposits, Campo Morado, Guerrero, Mexico - Ottawa, Ontario Canadian Institute of Mining, Metallurgy and Petroleum April 1997 - pp. 119-128 ilus. ISSN: 0964-1823 Subjects--Topical Terms: METALES PRECIOSOSSULFUROS MASIVOSYACIMIENTOS VOLCANOGENICOS Subjects--Geographic Terms: GUERREROMEXICO