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| NEW MEXICO STATE BUREAU OF MINES AND MINERAL RESOURCES Don H. Baker, Jr., Director Frank E. Kottlowski...Geologist Plus more than z8 undergraduate assistants New Mexico Tech Staff Advisors GALE BILLINGS, Geoscience...Geoscience PAIGE W. CHRISTIANSEN, Historian-Mining ALLAN R. SANFORD, Geophysics F RA N K B. TITU S , Hydrology...Ore Deposits of Sierra County, New Mexico by GEORGE TOWNSEND HARLEY 1934 New Mexico State Bureau of...of Mines and Mineral Resources New Mexico State Bureau of Mines and Mineral Resources Don H. Baker, Jr |
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| mines in the Hillsboro and San Lorenzo quadrangles, Grant and Sierra Counties, New Mexico By D. C. Hedlund...... Mining districts........................................................ Hillsboro district...................................................... Mining history....................................................................................... Bonanza vein.................................................... Kingston district.................................................. Mining history.......... |
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| Mineral Belts in Western Sierra C:ourlty, New Mexico, Suggested by Mining Distri.cts, Ceologyt and c... Mineral Belts in Western Sierra County, New Mexico, Suggested by Mining Districts, Geology, and Geochemical...on mineral belts in western Sierra County, New Mexico, indicates many new areas favorable for mineral...1921Mineral belts in western Sierra County, New Mexico, suggested by mining districts, geology, and geochemical...and mineral resources-New Mexico-Sierra County. 2. Geology-New Mexico-Sierra County. I. Heyl, Allen Van |
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| GEOLOGY AND ORE DEPOSITS OF THE BONANZA DISTRICT SAGUACHE COUNTY COLORADO By HORACE B. PATTON 1915... . . . . . . . . . . . . . . . . . . . . . . . Latite .. . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . . Bonanza latite ........ : . . . . . . . . . . . . . . . ....CONTENTS. CHAPTER IlL-CoNTINUED. PAGE Eagle Gulch latite. . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . 38 Hayden's Peak latite.............................. 38 Distribution and |
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| NEW MEXICO BUREAU OF GEOLOGY & MINERAL RESOURCES, BULLETIN 160, 2004 205 Geochronology of the central... Chapin New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology...the Sawatch Range (Grizzly Peak, Mount Aetna, Bonanza, and Marshall Creek); three of these calderas erupted...erupted highly alkaline rocks and are precious metal mining districts of the Great Plains Margin type. AĀtype...in the MogollonāDatil volcanic 206 field in New Mexico (McIntosh 1991; McIntosh et al 1990, 1991, 1992a |
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| Santa Fe County, New Mexico by Alan E. Disbrow and Walter C. Stoll SOCORRO 1957 NEW MEXICO INSTITUTE...INSTITUTE OF MINING & TECHNOLOGY KENNETH W. Font), President NEW MEXICO BUREAU OF MINES & MINERAL RESOURCES...OF REGENTS Ex Officio Bruce King, Governor of New Mexico Leonard DeLayo, Superintendent of Public Instruction... Assistant Head, Petroleum JAMES M. ROBERTSON, Mining Geologist RUBEN A. CRESPIN, Laboratory Technician...DONALD W. SLOSER, Technician I ROBERT W. EVELETH, Mining Engineer JACKIE H. SMITH, Laboratory Technician |
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| OR PROFE SIONAL PAPER 68 THE ORE DEPOSITS OF NEW MEXI.CO BY WALDEMAR LINDGREN, LOUIS C. GRATON AND...PRQ)tESSIONAL PAPER 68 TĀ·H E ORE DEPOSITS O.F NEW MEXICO.. . . ., .,Ā· ;,.: BY WALDEMAR LINpGREN,........ . J,5 Historical sketch of mining and smelting in New Mexico....... . . . . . . . . . . . . . ........ . _Ā·__ .......... Ā·. .. . . 42 Andesite, latite, and trachyte ..... _. ___ ...... _.. __ ............ : . .............. - ........ .. . . T~os County, by L. C. Graton and W ..Lindgren ..... ...... |
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| the current-year issues of the monthly catalog "New Publications of the U.S. Geological Survey." Pnces...Alaska Distribution Section, U.S. Geological Survey, New Federal Building - Box 12 101 Twelfth Ave., Fairbanks...Distnbutton. Bldg 810, Federal Center ā¢ FAIRBANKS, Alaska--New Federal Bldg, 101 Twelfth Ave Chapter H Epithermal...Epithermal Gold Deposits-Part I The Goldfield Gold District, Esmeralda and Nye Counties, Nevada By ROGER P...Precious-metal District, Esmeralda and Nye Counties, Nevada By ROGER P. ASH LEY The Republic Gold District, Ferry |
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| BULLETIN 39 The Metal Resources of New Mexico and Their Economic Features Through 1954 A revision of...RESOURCES NEW MEXICO INSTITUTE OF MINING & TECHNOLOGY CAMPUS STATION SOCORRO, NEW MEXICO NEW MEXICO INSTITUTE...INSTITUTE OF MINING & TECHNOLOGY E. J. Workman, President STATE BUREAU OF MINES AND MINERAL RESOURCES Alvin...THE HONORABLE EDWIN L. MECHEMā¦ā¦ā¦...Governor of New Mexico MRS. GEORGIA L. LUSK ......................Superintendent...Dealing With the Geology and Mineral Resources of New Mexico ............................................ |
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| description of the geology, mining history, and production of the major gold-mining districts in 21 States...relations ---------------------------History of gold mining and trends in production_ J\labama -----------...--------------Cleburne County ----------~-----------------Ā Tallapoosa County --------------------------Alaska...------------------Cochise County -----------------------------Gila County --------------------------------Greenlee...ee County ----------------------------R[aricopa County ----------------------------R[ohave County -- |
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| Cotopaxizinc mine .............................................. 189 190 190 192 193 193 193 Marion mine .....morethan$100,000production.............. 193 194 194 Bonanza ........................................................................... 196 196 Areas of district definitionwith lessthan $100,000production.............................................. Poncha mine ..................................................edgeof the Sierra Bianca massif formed a minor structural intersection and the sub- sidiary Sierra Blanca |
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| Maryland Parkway, Las Vegas, Nevada 89154-4010, USA Abstract The 144 zone is a pseudobreccia-hosted...deposit that formed in the middle to late Cambrian Bonanza King dolostone along an unconformity with the underlying...selective dissolution and replacement of the lowermost Bonanza King dolomite. Fluid-rock reaction transformed...of similar age provide drill targets in the mining district. Introduction Nevada is a known locality for...et al., 2018). The Bare Mountain mining district, located in Nye County, Nevada, approximately 160 km northwest |
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| Paper 169 GEOLOGY AND ORE DEPOSITS OF THE BONANZA MINING DISTRICT, COLORADO BY W. S. BURBANK WITH A SECTION...Prepared in cooperation with the COLORADO METAL MINING FUND UNITED STATES GOVERNMENT PRINTING OFFICE...Geography _ ______________ ___-__-__ Situation of the district _ _ _________________ Topographic features. ....Previous geologic and topographic work in the district. ____ ___________._-__-______--__. Field work...andesite_____________.__ Biotite andesite or latite. _______ Latite _____----__---_-____-___ VII 1 1 1 1 |
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| GEOLOGY OF THE EASTERN PART OF THE BONANZA VOLCANIC FIELD, SAGUACHE COUNTY, COLORADO By John D. Mayhew ...: T 1226 ABSTRACT The eastern flank of the Bonanza volcanic field in south-central Colorado was studied...oldest units, Rawley Andes !te and Hayden Peak Latite, were erupted contemporaneous I y in different...this period of erosion, the Bonanza Tuff was deposited over much of the Bonanza area on a surface of relatively...Three volcanic units younger than the Hayden Peak Latite crop out in the southern part of the area. From |
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| Reconnaissance for Radioactivity in the Metal-Mining Districts of the San Juan Mountains Colorado GEOLOGICAL... Reconnaissance for M>-O m Radioactivity in the Metal-Mining Districts of the San Juan Mountains Colorado By...1918Keconnaissance for radioactivity in the metal-mining districts of the San Juan Mountains, Colorado,..._______________ CeboUa district..______________________________ Upper Uncompahgre district. ______ _________________________...Uranium occurrences___________ ________ __ Bonanza district..____________________ ___________________ |
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| examples is pointless. Furthermore, exploration for new unique deposits is diļ¬cult because their deļ¬ning...numerous past-producers in the central Montana and New Mexico alkaline provinces of the western United States...or above the basanite, trachybasalt, shoshonite, latite and trachyte ļ¬elds in the IUGS classiļ¬cation scheme...volcanogenic massive sulphide (VMS) deposits (Table 1). Bonanza gold grades characterise a few of the low-sulphidation...are hosted by felsic alkaline rocks, typically latite porphyries, as documented at Golden Sunlight, Montana |
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| calderas ........................................ . Bonanza caldera ..... ... .. .... .... ..................these ash-flow sheets were largely of mafic quartz latite to andesite compositions, indicating temporary...Uncompahgre Lost Lake Ute Creek Summitville Platoro Bonanza GENERAL GEOLOGY and caldera subsidence in the...composition (andesite, rhyodacite, and mafic quartz latite) and were erupted from many scattered stratovolcanoes...in the eastern part of the San Juan field-the Bonanza caldera and the nested Platoro and Summitville |
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| nodules in faults,fissures, and cavities. The Hall mine near Villagrove is in felsiteporphyry,an Oligocene...Oligocene volcanicflow locallycut'by quartz latite. The King mine near Manassa is also in felsite porphyry...locallycut by felsite,possiblytrachyte. The TurquoisChief mine near Leadvilleis in the Algonkian Silver Plume granite...done in the summerof I939, and mapswere made of the mine properties. The laboratorywork, includingthe making...mapsand recordsand arrangedthe examinationof the mine near Leadville. Thanksare duealsoto Mrs. J. McConnellof |
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| field prior to 1977, at which time the IUGS adopted new decay and atomic abundance constants for the calculation...ages (Steiger and Jager, 1977). The use of the "new" IUGS constants by most geochronology laboratories..."old" constants. This discrepancy between "old" and "new" K-Ar ages requires that the "older" K-Ar ages be...(1983),and Jackson and others (1980) who used the new IUGS constants. Also note that the atomic abundance...Member 30.6 m.y. (29.8 m.y.) Tuff of Rock Creek Bonanza Tuff 36 m.y. Lavas and related rocks erupted concurrently |
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| THE DIVISION OF MINES l-A. Sierra Blanca limestone in Santa Barbara County, CaliW. Walker. 1950. 5 pp...Price 25tf. Commercial "black granite" of San Diego County, California, by Richard A. Hoppin and L. A. Norman...of the San Dieguito pyrophyllite area, San Diego County, California, by Richard H. Jahns and John F. Lance...Price 25*. Geology of Bitterwater Creek area, Kern County, California, by Henry H. Heikkila and George M...lithium-bearing pegmatites of the Pala district, San Diego County, California, by Richard H. Jahns and |
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| . __--________-__________J______________ Burns latite-__-_---_-_-_-________-_j___-_----_-____l_________..._____ ____:____ r_ _ _ _ j __ L _____'___ Beidell latite-andesite.__ _______'_!_____________.___'____________...rocks of Conejos age._ 'Treasure Mountain quartz latite Sheep Mountain andesite__-____ Alboroto quartz...-___________---_-____-_________-._ ______Rhyolite-latite formations.. _ -- __- _ Andesitic formations._____...^' ^ 'i p * * ^ f> \ " * '* .. _____ Fisher latite-andesite._____-_-_---_-_____--__-_____-_-_________ |
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| brecciasāmainly alkali andesite, rhyodacite, and mafic quartz latiteāwere erupted from numerous scattered central volcanoes...changed to explosive ash-flow eruptions of quartz latite and low-silica rhyolite that persisted until about...of alkali andesite, rhyodacite, or mafic quartz latite, but a few produced rocks ranging from basaltic...and the Rawley Andesite and other rocks of the Bonanza area (Burbank, 1932). The age relations of the...rocks from the local Beidell, Tracey Creek, and Bonanza centers were considered by Larsen and Cross to |
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| Related to Bullfrog Hills Caldera, Nye County, Nevada and Inyo County, California By HENRY R. CORNWALL and...Basalt flows and intrusives___________________ Latite flows and intrusives.__________________ Page Jl...Fluorspar__ _ ___________________________________ Daisy mine.___________--__----_----__-_-_Geologic setting....Hills caldera near Beatty. 6. Mine workings of the Daisy fluorspar mine. 7. Geologic map of levels 3,...8, Daisy fluorspar mine. 8. Geologic map of levels 9 to 13, Daisy fluorspar mine. 9. Longitudinal and |
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| MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine ā_ā< Ā¢ te om At _SHT 40 MADIASIMA...MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna B. Kennedy...Kennedy [aN VAN NOSTRAND REINHOLD COMPANY NEW YORK CINCINNATl TORONTO LONDON MELBOURNE Copyright Ā© 1983...Nostrand Reinhold Company Inc. 135 West 50th Street, New York, N.Y. 10020 Van Nostrand Reinhold Publishing...minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index. 1. Mines |
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| Feā¢ Fe as Fe FeS2 Total Fe 18. 19. 20. Bonanza, Colo. Andesire 1 Andesite sfd. 4 2.71 2.67 2... 1.04 2.35 -- 4.04 --63 Climax, Colo. O.K. Mine, Utah Qtz. monz., fresh 2 Qtz. monz. alt. 2a 21...vein filling, Veteran Mine. * Numbers in parenthesesfollowing name of district refer to "References"... 744 HUGH McKINSTRY 153. Porphyry ore, Copper Flat Mine. 154. SilicAfledvariety of porphyry ore, Copper...(4) 1. Fresh rock. British tunnel, Last Chance Mine. 2. Dark porphyry (altered rock), Boston Consolidated |
