 | | Report (issue) | | RESOURCES OF ELKO COUNTY, NEVADA By Roscoe M. Smith Prepared in cooperation with Nevada Bureau of Mines...Acknowledgment -Mining districts Commodities Production Descriptions of mining districts . Alder district-Aura district...district -Beaver district Black Mountain district Bootstrap district Burner district Burns Basin district--...-Carlin district Cave Creek district ----Charleston district_--Coal Mine district~ Contact district Cornucopia...Cornucopia district - -Corral Creek district - Decoy district Delano district Delker districtDivide district |  | | Report (issue) | | UNIVERSITY OF NEVADA BULLETIN Val,. S X X I T II I 1)ECEBIIIElZ 1944 No. 5 GEOLOGY AND MINING SERIES No...No. 41 er Deposits In Nevada BY EDGARH. BAILEY and DAVID A. PHOENIX Geologists, U. S. Geological Survey...Survey PREPARED AND PUBLISHED BY NEVADA STATE BUREAU OF MINES IN COOPERATION WiTH UNITED STATES OEOLOOlCAL...SURVEY PRICE ONE DOLLAR j sin PUBLICATION OF THE NEVADA STATEBUREAUOF MINES A N D THE MACKAY &HWL OF MINES...THE UNIVERSITY OF NEVADA RENO, NEVADA Entered in the Post Office at Reno, Nevada, as second-class matter |  | | Report (issue) | | FLORENCE (POSTON BU1TE) PORPHYRY COPPER DEPOSIT, PINAL COUNTY, ARIzONA. By C. K. HOAG . 9 17 STOP 4. NORMAL...PINAL COUNTY, ARIzONA. B y 1. E. SPENCER AND S. M. RICHARD 22 STOP 5. CROSS SECTIONS OF THE TEAPOT MOUNTAIN...MOUNTAIN QUADRANGLE AND VICINITY, PINAL COUNTY, ARIzONA, BY S. M. RICHARD AND 1. E. SPENCER ..............AND DOWN INTERPRETATION BY DRILL HOLE DATA, PINAL COUNTY, ARIzONA, BY J. D. SELL. .................. . ...7. THE CARLOTA COPPER PROJECT, GLOBE-MIAMI MINING DISTRICT, ARIzONA, COMPILED BY G. PARKINSON . 41 STOP |  | | Report (issue) | | - Tectonic movement in the Grapevine area, Kern County, Calif., by B. E. Lofgren - _ _ _ - - - _ _ _ -...- - - - - _ - - - _ - - - - - _ - - 612 Cattle Creek anticline, a salt diapir near Glenwood Springs,...extrusive volcanic rocks in Middle Park, Grand County, Colo., by G. A. Izett - - - - - _ _ - - - - _...Graford Formation of Late Pennsylvanian age, Brown County, Texas, by D. A. Myers . . . . . . . . . . . ....rocks of the Houlton-Smyrna Mills area, Aroostook County, Maine, by Louis Pavlides and W. B. N. B e r r |  | | Report (issue) | | --------~ontana -------------------------------Nevada--------------------------------New Hampshire--...industry; that of th~ Bureau. of Mines to conduct mining and ~etal!urg1cal studies of subeconomic mineral...open-pit ore averaging 0.3 ounce gold per ton. Cripple Creek, Colo.-Samples from an area 3,800 feet .lo~g and...and although these values are low, the volume of rock involved is enormous -50 cubic miles or· more-and...in rocks around the copper deposits of the Ely district and point to areas warranting further investigation |  | | Report (issue) | | MINERALS OF NEVADA MINERALS OF NEVADA Peer Hen By CASTOR oan eGORY.C.oFER DOCK NEVADA AND BUREAU... UNIVERSITY Reno & Las Vegas OF NEVADA PRESS GEOLOGY Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...otherwise noted Map of Mining Districts and significant mineral occurrences of Nevada by Nevada Bureau of Mines...Cataloging-in-Publication Data Castor, Stephen B, Minerals of Nevada / Stephen B. Castor and Gregory C. Ferdock.— Ist | | | Report (issue) | | MINERALS OF NEVADA MINERALS OF NEVADA STEPHEN B. CASTOR and G R EGOR Y C . F E R D OC K l NEVADA BUREAU...association with the UNIVERSITY OF NEVADA PRESS Reno & Las Vegas Nevada Bureau of Mines and Geology Special...University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs...Districts and si gnificant minernl occurrences of Nevada by Nevada Bureau of Mines and Geology All rights reserved...-Publ ication Dat,i Castor, Stephen B. Minerals of Nevada/ Stephen B. Castor and Gregory C. Ferdock.- rst |  | | Report (issue) | | Scalemodelecaltydomessery Clay, GRISEMSMS wate Gn GOaNe MininG Districts vce oh with RApIAL ae TE ee PRE...cerstsieecisGA oes Me a rSISTeave ayers Siea TOE Goldiielde Nevada sre wae oe ier leer LONG INUDEN ee Wey Nop Noy...Detwieccnmpasinsmancialip hits mamryt cetera MINING DISTRICTS, ASSOCIATED WITH CA NTICEINES eerie... cri c-cateis se Siotarea alten eC Antelope; Nevada ive scssien nae cvattetie a avese ontrodece: ectoe...Oe Ue PASSO lalsuckorecoer els ES Jarbridgey ‘Nevada ssc.cd ce seis sere eats Oh oie Sole tak rN Ocampo: |  | | Report (issue) | | .................................. Ilistory of mining.................................................... ·.......................................... Mining and milling............................................................................... . 62 Teapot Mountain porphyry ...............................~· CONTENTS. 5 Page. 0HAPTEH. IV.-Mines and mining ....................................................................................•• M.iarni district ............................................. |  | | Report (issue) | | SAN ANDREAS OROGENIES RAY-SUPERIOR AREA, PINAL COUNTY, ARIZONA by Stanley B. Keith ARIZONA GEOLOGICAL...GEOLOGICAL SOCIETY 1985 FALL FIELD TRIP Belmont � Mine synckne Superior ,, Apache Leap Tuff Plateau...Porphyry ) breaK 3 miles � Walnut Copper Butte Mine Canyon Trip ------ Orafted by Oave Annis LARAM...ANDREAS OROGEN I ES RAY- SUPERI OR AREA , P I NAL COUNTY , ARI ZONA by Stanley B . K e i th ARI ZONA GEOLOG...ternary Geomo rp h i c Un i ts . . . . . . Qua ternary Rock Uni t s Rocks of the San Andreas O rogeny Rocks |  | | Journal (article/letter/editorial) | | ....................................... Miami district, Arizona ....................................... New Mexico ......................... Ely district, Nevada ............................................GeologicalSurvey. 319 320 GEORGE M. SCHWARTZ. pyrite;3. Sericitic andargillicalteration withquartzsubordinate;...simpleexampleof onekind of alterationbut eacfi district shows a dominanceof one or two of the above types...calcium and sodium are generally removedfrom the rock to a significantdegree, and potassiumremains constant |  | | Report (issue) | | Field Guide to the Superior District, Pinal County, Arizona by: James D. Sell, Consultant Alexander...Geology and Ore Deposits of the Superior District in Pinal County, Arizona. The trip is split into two sections...part of the group going underground at the Magma Mine, owned and operated by Magma Copper Company. Our...and Matt Knight will educate us about geology and mining of the Superior Copper Deposit. At the same time...describing the surface geology of the Superior District. The road log that Jim has prepared is very informative |  | | Report (issue) | | Copper Deposit and the Kelvin Copper Prospect Pinal County, AZ By Edward John, Russell Com, Richard Ahern...Society. We will be visiting the Asarco Ray copper mine in the morning and the Kelvin porphyry copper prospect...prospect in the afternoon. As you drive up to the mine from Oracle Junction, be sure to read the road log...Geologist at Ray will host the morning trip. Ray Mine is a porphyry copper deposit hosted in Precambrian...@ .60% copper. The ore is extracted by open pit mining and both SX-EW copper and copper concentrates are |  | | Report (issue) | | the width of the adz was cut in the unweathered rock, and 1 Woodruff, E. G., and Day, D. T., Oil shale...shale proved to be very thin and the underlying rock very firm and tough. In a few places the shale was...feet long and 6 to 10 inches deep was cut in this rock near the upper edge of the exposure. Sample 4 was...black shale roof of No. 5 coal at the East Capitol mine, in Springfield, 111., by breaking up a number of...blocks of black shale that had been removed from the mine about a week before in cleaning up a roof fall. |  | | Report (issue) | | part of the Roberts thrust, Toiyabe Range, Lander County, Nev., by J. H. Stewart and A. R. Palmer _____...Ordovician tectonism in the Ruby Mountains, Elko County,· Nev., by Ronald Willden and R. W. Kistler__...gold- and silver-bearing sulfide ores, Ohio mining district, Marysvale, Utah, by A. S. Radtke, C. M. Taylor...in the southern Santa Rita Mountains, Santa Cruz County, Ariz., by Harald Drewes----------------------...Culbertson ___ ---------------------------------Rock streams on Mount Mestas, Sangre de Cristo Mountains |  | | Journal (issue) | | The Mineral Collector's Newsletter $3.00 The Rock Dam Gold Prospect A New Quartz Locality, Dickinson...markelder@juno.com The Rock Dam gold prospect is located in central Dickinson County, Michigan, approximately...the dominant exposed bedrock in this part of the county. Excavated near the tum of the 20th century, the...noteworthy accessory minerals save muscovite and minor pyrite. Of these prospects, Bayley (1904) states that...obvious even when visiting some of the Garland County mines. I also planned to do some Magnet Cove collecting |  | | Book | | Editors. SPENCER . . R. TirLey has worked as a mining geologist in the western United States in both...where no maps were available. In southern Yuma County he even discovered and named a whole new range...specific mention are the mapping in southern Yuma County, studies on gold lode and placer deposits, work...Range Province, and work on a number of individual mining districts and on numerous mineral commodities....establish Tucson, Arizona, as the hub of the copper mining industry of the United States. In fact, an inscribed |  | | Report (issue) | | sulfides are 3 volume percent, the chal copyrite to pyrite ratio is 1 : 1 0. Biotite alteration i s moderate...The area immediately b elow is our South Silicate mining a rea. The road runn i ng road, (2000 e l evation)...Looking into the Pearl Handl e Pit keep in mind the mining operation has developed a window through the uppe...m i d d l e of the bench i s the Apache G roup, rock conta ined in a ho rst b lo ck bounded by th e Diab...th e distance you cJ.n see the the enri ched pyrite hJ.lo • We s t P it , whi ch i s locJ.ted in |  | | Report (issue) | | classification mistake. Combinations of host and associated rock types, contained metals, mineralogy, geologic settings... Because of the expense involved in drilling, mining concerns commonly drill enough holes to prove or...or disprove the economic viability of the mining the deposit. This process can lead to a tonnage, and...respect to the grade and tonnage of the mineralized rock in a deposit. Within individual deposits, tonnage...be reported because they may not be economic to mine at the time they are explored. Balancing these |  | | Journal (article/letter/editorial) | | surrounded by a zone of higher sulfides,most of which is pyrite. The center of the depositis characterizedby a...tternsin the Ray depositare affectedby the host rock composition. In the diabase, a biotite-clay zone...It was THe. Ray copperdepositis situatedin Pinal County, assumedthat some kind of regular zoning must Arizona...exist, even if atypical. After indicationsof a pyrite currentproductionfrom Ray is 35,000tonsper day...madeup of roughlyequalamountsof three ore types: rock types was roughed out. Once this was done, chalcocite |  | | Report (volume) | | Metadiabase sills in Negaunee Iron-formation near National Mine, Mich., by George C. Simmons ___________________...Lake sill ______________________________ National Mine sill _____________________________ Ash-flow stratigraphy...Ridge (and Bachelor Mountain) Tuff ___________ Rat Creek and Nelson Mountain Tuffs ________________ Bull...Pony Trail Group in the Cortez Mountains, Eureka County, Nev., by J. Fred Smith, Jr ________________________...Mountains Formation in the Pine Valley quadrangle, Nevada, by J. Fred Smith, Jr ________________ References |  | | Journal (article/letter/editorial) | | Porphyry Copper Center in the Superior (Pioneer) District, Arizona SCOTT L. MANSKE† Independent Consultant...has been discovered in the Superior (Pioneer) district of east-central Arizona, lying under thick Tertiary...system is erratically mineralized by vein-controlled pyrite, sphalerite, and specularite with minor chalcopyrite...rocks in the intermediate argillic halo contain pyrite and chalcopyrite. The intermediate argillic alteration...lesser chalcopyrite. Within sericitically altered rock, pyrite-chalcocite-digenite-bornite veins exhibit centimeters- |  | | Journal (article/letter/editorial) | | Chestnut Street, Suite 800, Philadelphia, PA 19106, USA BASIN RESEARCH Journal Customer Services, Blackwell...Stuttgart, Germany EXPLORATION AND MINING GEOLOGY Canadian Institute of Mining, Metallurgy and Petroleum, National...with basement-cored anticlines: The example of Teapot dome, Wyoming— Scott P. Cooper, Laurel B. Goodwin...carbon fixation in minerals from serpentine-rich mine tailings using the Rietveld method with X-ray powder...by areas of past mercury mining in the Terlingua district, southwest Texas, USA—John E. Gray, Mark E. Hines |  | | Report (issue) | | mineralogy C8 Diagenetic alterations C9 Siderite CIO Pyrite CIO Quartz CIO Chlorite CIO Calcite Cll Glauconite-smectite...showing outcrop of Shannon Sandstone Beds at the Salt Creek anticline C3 Contents 3. 4. 5-10. 11. 12. 13-15...micrographs of: 21. Framboidal pyrite and quartz overgrowths C19 22. Authigenic pyrite and chlorite C19 23. Iron...Iron oxide pseudomorph after pyrite C19 24. Quartz overgrowth coated with oil C19 25. Etch pits in quartz..., 1989). The Shannon crops out around the Salt Creek anticline in the southwestern part of the basin |  | | Report (issue) | | structures in the K-T boundary claystone from the Clear Creek North, Colo., locality..............16 Polished...slab of the K-T boundary interval from the Clear Creek South, Colo., locality............................surface of the K-T boundary interval from the Clear Creek North, Colo., locality...............38 Goyazite...Polished slabs of the K-T boundary interval from the Teapot Dome, Wyo., locality.............................sections containing goyazite spherules from the Dogie Creek, Wyo., K-T boundary locality..................45 |
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