Series	Geological Survey (U.S.). Professional paper ; 284 Geological Survey professional paper 284. ^A16492
Contents	Abstract -- Introduction -- Location and accessibility -- Topography -- Climate and vegetation -- Fieldwork and acknowledgments -- Scope of the study -- Previous geologic work -- General geology -- Sedimentary rocks -- Jurassic system -- Upper Jurassic shale and limestone -- Cretaceous system -- Lower Cretaceous limestones -- Distribution -- Thickness -- Stratigraphic relations -- Lithology -- Age -- Upper Cretaceous limestone and shale -- Distribution -- Thickness -- Stratigraphic relations -- Lithology -- Age -- Tertiary system -- El Morro fanglomerate -- Distribution -- Thickness -- Stratigraphic relations -- Lithology -- Age -- Quaternary system -- Pleistocene deposits -- Zimapán fanglomerate -- Daxi and other fanglomerates -- Recent deposits -- Terrace deposits -- Alluvium -- Igneous rocks -- Rhyolite dikes -- Quartz latite dikes -- Latite dikes -- Andesite dikes -- Granophyric basalt dikes -- Olivine basalt dikes -- Other intrusive rocks -- Monzonite -- Quartz latite porphyry -- Hypersthene-hornblende andesite -- Augite diabase -- Potrero rhyolite porphyry -- Rhyolite felsite -- General features -- Lithology -- Model of emplacement -- Igneous rocks of the Carrizal mining area -- Rhyolite dikes -- Quatz latite dikes -- Trachyte dikes -- Latite dikes -- Pyroxene-amphibole vogesite dikes -- Dacite dikes -- Andesite dike -- Irregular intrusive bodies -- Structure -- Structural features of the Cretaceous rocks -- Folds -- Faults -- Physiography -- Metamorphism -- Dynamic metamorphism -- Igneous metamorphism -- El Morro fanglomerate -- Upper Cretaceous rocks -- Lower Cretaceous limestone -- Silicification -- Marmarization -- Metamorphism of cherty limestone -- Tactite not related to ore deposits -- Tacite bodies resembling dikes -- Tactite related to ore deposits -- Garnetite and diopsidite -- Igneous rocks -- Wall-rock alteration -- Alteration in the limestone replacement deposits -- Alteration in the vein deposits -- Geologic history -- Ore deposits -- History of mining and production -- Mineralogy -- Minerals of the Zimapán mining district -- Hypogene ore minerals -- Silver -- Lead -- Zinc -- Copper-- Iron -- Arsenic -- Antimony -- Supergene ore minerals -- Gold -- SIlver -- Lead -- Zinc -- Copper -- Iron -- Arsenic -- Minerals of other metals -- Gangue minerals -- Distribution -- Classification -- Replacement deposits in limestone -- Pyrometasomatic deposits -- Mesothermal deposits -- Vein deposits -- Veins with quartz gangue -- Veins with calcite gangue -- Veins in monzonite or quartz monzonite -- Structural features of ore bodies -- Replacement deposits in limestone -- Chimneys -- Mantos -- Pipe -- Relations of chimneys and mantos -- Vein deposits -- Age of mineralization -- Depth of formation of ore deposits -- Oxidized ores -- Origin of ore deposits -- Future of the district -- Vein deposits -- Limestone replacement deposits -- Mines and prospects -- Santa Gorgonia-San Pascual mining area -- El Areabuz prospect -- Buenavista mine -- Guadalupe adit -- Mercedes mines -- Preciosa Sangre mine -- El Resquicio mine -- La Salvadora prospect -- San José Maravillas-Poder de Dios mine -- San Pablo mine -- San Pascual mine -- Santa Gorgonia mine -- Santo Tomás mine -- La Luz-La Cruz mining area -- La Cruz mine -- La Luz mine -- San Fernando mine -- El Monte mining area -- El Afloramiento prospect -- El Arenal mine -- El Camino incline -- El Cantil adit -- El Carmen mine -- El Chacuaco Nuevo adit -- El Chaucuaco Viejo adits -- Chiquihuites mine -- Concepción mine -- Concordia mine -- Main adit -- Intermediate adit -- Dolores mine -- La Lucila adit -- Miguel Hidalgo mine -- Peñalejos mine -- San Antonio adit -- San Francisco mine -- San Vicente mine -- Santa Teresa adit -- El Santísimo mine -- La Sorpresa mine -- Tecomates mine -- Carrizal mining area --- West side of Barranca de Tolimán -- Amistad no. 3 prospect -- Las Animas mine -- La Chiripa mine -- Cinco de Mayo adit -- El Espíritu mine -- Las Estacas mine -- La Paz mine -- El Rosario mine -- San Guillermo adit -- San Vicente mine -- Santa Clara mine -- La Sirena prospect -- Todos Santos mine -- Los Tres Alcangiles mine -- Las Ventanas mines -- East side of Barranca de Tolimán -- Los Balcones mine -- La V2 adit -- La V adit -- Los Balcones adit -- La Palmita adits -- San Rafael Nuevo adit -- San Rafael Viejo adit -- San Miguel de Los Palacio adit -- Unnamed prospect -- La Cuña mine -- Lomo de Toro mine -- El Barreno adit -- Level 3 -- Level 2 -- San Guillermo adit -- La Mora adit -- San Damián adit -- San Antonio adit -- La Maravilla incline -- La Bota incline -- El Vaquero mine -- Calcite mine -- Slags -- Petrographic notes on the Las Espinas volcanic rocks -- Cerro de La Estancia section -- Cerro Grande section -- Cerro de Las Espinas area -- Rocks from other areas -- Annotated bibliography -- Metric equivalents -- Index.
Local note	Joyner-FOR JOYNER LIBRARY HOLDINGS OF THE SERIES, GEOLOGICAL SURVEY PROFESSIONAL PAPER, SEARCH BY CALL NUMBER QE75 .P9.
General note	Part of illustrative matter in pocket.
General note	"Prepared in cooperation with the Instituto Nacional para la Investigación de Recursos Minerales of Mexico, under the auspices of the Technical Cooperation Administration of the Dept. of State."
Bibliography note	Includes bibliographical references (pages 123-124).
Issued in other form	Online version: Simons, Frank S. (Frank Stanton), 1917-. Geology and ore deposits of the Zimápán mining district, State of Hidalgo, Mexico
LCCN	gs 56000164
Govt. docs number	I 19.16:284

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