Giles, David A. Volcanogenic deposits in Mexico: the producing mines - Newfoundland Geological Association of Canada 2000 - pp. 135-140 ilus. - Geological Association of Canada. Mineral Deposits Division. Special Publication . Subjects--Topical Terms: SULFUROS MASIVOSYACIMIENTOS VOLCANOGENICOS Subjects--Geographic Terms: MEXICO Universal Decimal Class. No.: 553.067(8=6)/S47|31