The copper deposits of Ray and Miami, Arizona, / by Frederick Leslie Ransome.

Author/creator Ransome, F. L.
Format Book
Publication InfoWashington, Govt. Print. Off., 1919.
Description192 pages illustrations, LIV plates (some folded, some color, including maps, plans, diagrams) diagrams 29 cm
Subjects
Copper ores--Arizona.

SeriesProfessional paper, 115
Professional paper (Geological Survey (U.S.)) no. 115. ^A414271
Contents Outline of the report -- Chapter I. -- Introduction -- Situation and routes of access -- Field work and acknowledgments -- Plan of geologic description -- History of mining -- Ray -- Miami -- Production -- Bibliography -- Classification -- General and historical -- Geology of central Arizona -- Geology of the Ray and Miami districts -- Mining and milling -- Chapter II. -- Physical geography of the Ray-Miami region -- Broad topographic features -- Streams and springs -- Climate and vegetation -- Chapter III. -- Geology of the Ray-Miami region -- Introductory outline -- Pre-Cambrian rocks -- Pinal schist -- Occurrence and distribution -- Lithologic character -- Structural features -- Origin and metamorphism -- Granitic intrusive rocks -- Principal varieties and their distribution -- Quartz-mica diorite (Madera diorite) -- Granite (biotite granite) -- Paleozoic rocks -- Stratigraphic divisions and sequence -- Scanlan conglomerate -- Pioneer shale -- Barnes conglomerate -- Dripping Spring quartzite -- Mescal limestone -- Basalt -- Troy quartzite -- Martin limestone -- Tornado limestone -- Conditions of desposition -- Correlation -- Post-Paleozoic rocks -- General character and sequence -- Lost Gulch monzonite (quartz monzonite) -- Occurrence, distribution, and age -- Petrography -- Willow Spring granite -- Occurrence and distribution -- Petrography -- Age and affiliations -- Diabase -- Occurrence and distribution -- Petrography -- Contact metamorphism -- Age -- Cretaceous sedimentary rocks -- Andesite tuff and breccia -- Occurrence and distribution -- Thickness -- Petrography -- Age -- Quartz diorite -- Distribution and occurrence -- Petrography -- Contact metamorphism -- Schultze granite -- Explanatory note -- Occurrence and distribution -- Petrography -- Quartz monzonite porphyry -- Distribution and occurrence -- Petrography -- Granite Mountain porphyry -- Teapot Mountain porphyry -- Contact metamorphism -- Granodiorite -- Occurrence and distribution -- Petrography -- Contact metamorphism -- Quartz diorite porphyry -- Occurrence and distribution -- Petrography -- Contact metamorphism -- Comparison of the granitic rocks -- Whitetail conglomerate -- Dacite -- Occurrence and distribution -- Petrography -- Age -- Gila conglomerate -- Basalt -- Recent deposits -- Structure -- General features -- Faults -- Nomenclature of faults -- Evidence of faulting -- Distribution -- Directions of faulting -- Dip -- Kind of movement -- Amount of displacement -- Relative ages -- Faulting and igneous intrusion -- Expression in topography -- Cause of the faulting -- The mountain ranges -- Apache Mountains -- Pinal Range -- Dripping Spring Range -- Tortilla Range -- Evidence that the valleys are tectonic -- Geologic history -- Chapter IV. -- Mines and mining -- Purpose of chapter -- Miami district -- Mining companies and claim groups -- Underground development -- General character -- Miami mine -- Inspiration mine -- Keystone mine -- Live Oak mine -- Warrior mine -- Drilling -- Stoping -- Milling -- Smelting -- Ray district -- Mining companies and claim groups -- Drilling -- Underground development -- Stoping -- Treatment of ore -- Ore available -- Chapter V. -- Geology of the Miami district -- Topography -- Formations locally represented -- Structure -- Primitive elements -- Effects of post-Paleozoic intrusions -- Effects of faulting -- Erosion -- Chapter VI -- Geology of the Ray district -- Topography -- Geology -- Formations represented -- Distribution and local characteristics of the formations -- Pinal schist -- Pre-Cambrian intrusive rocks -- Paleozoic sedimentary rocks -- Diabase, biotite schist, and related rocks -- Quartz diorite -- Quartz monzonite porphyry -- Whitetail conglomerate -- Dacite -- Gila conglomerate -- Structure -- Erosion -- Chapter VII. -- Mineralogy -- List of minerals -- Features of occurrence -- Copper -- Silver -- Molybdenite -- Galena -- Chalcocite -- Sphalerite -- Covellite -- Chalcopyrite -- Pyrite -- Quartz -- Cuprite -- Ilmenite -- Rutile -- Melaconite -- Limonite -- Malachite -- Azurite -- Feldspars -- Amphibole -- Andalusite -- Zircon -- Tourmaline -- Muscovite -- Biotite -- Chlorite -- Kaolinite -- Chrysocolla -- Alunite -- Chapter VIII. -- Shape and geologic relations of the ore bodies -- Form and dimensions -- Relations of the ore bodies to the surface -- Relations of the ground water to the surface and to the ore bodies -- Lower limit of oxidation -- Relations to kinds of country rock -- Structural effects of faulting -- Faults exposed in the Miami mine -- Faults exposed in the Inspiration mine -- Faults exposed in the Keystone mine -- Faults exposed in the Live Oak mine -- Age of faults in the Miami district -- Faults exposed in the Ray mines -- Faults in the Ray Hercules ground -- Relation of hypogene metallization to faulting -- Chapter IX. -- Protore, ore, and capping -- Definitions -- Copper content of protore -- Schist protore -- Porphyry protore -- Ore -- General character of the sulphide ore -- General character of the partly oxidized ore -- Tenor of the ore -- Oxidized and leached rock -- Chapter X. -- Origin of the copper deposits -- General statement of the problem -- Disposition of the protore -- Influence of igneous activity -- Character of the depositing solutions -- Influence of structure -- Influence of variations in country rock -- Relation to the surface existent at the time of deposition -- Possible function of adsorption -- Geologic age -- Enrichment -- General character of the process -- The enrichment cycle -- Chronologic relation of enrichment to other geologic events -- Probable climatic conditions -- Relation between enrichment and former topography -- Influence of geologic structure -- Influence of country rock -- Relation of enrichment to ground-water surface -- Chapter XI. -- Practical deductions -- Glossary -- Index.
Local noteJoyner- FOR JOYNER LIBRARY HOLDINGS OF THE SERIES, GEOLOGICAL SURVEY PROFESSIONAL PAPER, SEARCH BY CALL NUMBER QE75 .P9.
General noteAt head of title: Department of the Interior.
General noteMany of the plates printed on both sides of leaf.
Bibliography noteIncludes bibliographical references (pages 22-25).
Issued in other formOnline version: Ransome, Frederick Leslie, 1868-1935. Copper deposits of Ray and Miami, Arizona
LCCNgs 20000002
Govt. docs number I 19.16:115
Govt. docs number I 19.16:114-116

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