 | | Report (issue) | | Metals in Silicified Rocks of the Goldfield Mining District, Nevada GEOLOGICAL SURVEY PROFESSIONAL ...Metals in Silicified Rocks of the Goldfield Mining District, Nevada By R. P. ASHLEY and W. GEOLOGY ...GEOCHEI\1ISTRY OF THE GOLDFIELD MINING GEOLOGICAL SURVEY PROFESSIONAL DISTRICT, PAPER NEVADA 843-B Exploration...Exploration and geochemistry of the Goldfield mining district, Nevada UNITED STATES GOVERNMENT PRINTING...of the Goldfield Mining District, Nevada. (Geology and geochemistry of the gold mining district, Nevada) |  | | Report (issue) | | GEOCHEMICAL EXPLORATION FOR GOLD DEPOSITS AT GOLDFIELD, NEVADA By Roger P. Ashley and William J. Keith U...exploration at Goldfield Other references 7 - 8 GEOCHEMICAL EXPLORATION FOR GOLD DEPOSITS AT GOLDFIELD, NEVADA...in the 40 km hydro thermally altered area at Goldfield is to decide which of the many silicified ledges...in decreasing order of priority: gold, lead and silver, bismuth, and mercury. These elements form relict...supergene leaching. INTRODUCTION The Goldfield mining district is located 250 km northwest of Las Vegas |  | | Journal (article/letter/editorial) | | 904-924 DirectDatingofMineralization atGoldfield, Nevada,by Potassium-Argon andFission-Track Methods R....K-mica from hydrothermally altered rocksat Goldfield,Nevada,yieldsmineralizationagesof 20 to 21 m.y.,...Summitville district of Colorado. Since 1970 we have obtained .several addi- tional .dateson Goldfield aluniteshav...y. Several premineralizationvolcanicunits at Goldfield cannotbe dated by the K-At methodowing to extensivealteration...furthermore, 904 DATING OF MINER.4LIZATION .4T GOLDFIELD, NEVADA 905 icantlyaffected bythermalannealing at |  | | Journal (article/letter/editorial) | | 31 December 2014 NEVADA MINERAL STEVEN PULLMAN 1755 Circle Drive NW Reno, Nevada 89509 RICHARD THOMSSEN...THOMSSEN P.O. Box 1656 Carson City, Nevada 89702 Map showing Nevada counties, by William W.Besse. N evada...minerals new to the state being identified every year. Nevada is one of the few western states without a published...Clark County. Walt Lombard0 specimen, Jeff Scovil photo. Churchill County Chalk Mountain District Chalk...Chalk Mountain mine: calcite, cerussite, chlorargyrite, descloizite, galena, hemimorphite, leadhillite, |  | | Report (issue) | | PHOTOGRAPHY FROM THE GOLDFIELD MINIITG DISTRICT, E3MERALDA AITD NYE COUJITIES, NEVADA T>y Roger P. Ashley...field area Ore producing areas, Gqldfield mining district Color print and overlays, Area 1 Color print...PHOTOGRAPHY FROM THE GOLDFIELD MINING DISTRICT, ESMERALDA AND NYE COUNTIES, NEVADA Site 75 5 Mission ...Geological Survey Introduction General. The Goldfield mining district is in the western part of the Basin and...Altitudes range from about 5500 to 6900 feet. The district is underlain predominantly by volcanic rocks |  | | Report (volume) | | ACCOUNT OF GOLDFIELD, BULLFROG, AND FREDERICK LESLIE RANSOME NOTES ON THE MANHATTAN DISTRICT G. H. GARREY..................................... Gold field district............................................................................................... Mining development....................................... 20 22 22 22 25 25 28 34 37 38 39 Bullfrog district.............. .............................................................. Situation of the district ............................................. |  | | Report (issue) | | PAPER 66 THE GEOLOGY AND ORE DEPOSITS OF GOLDFIELD, NEVADA BY FREDERICK LESLIE RANSOME ASSISTED IN THE..._____ . ___________________ . _. Situation of the district.-~ ............... _..... ______ .. ________________________...______ ..... __ ........... _·_..... History of mining ....................... ............ . __ .. _.......... ............... . Correlation of the Goldfield rocks with those of the surrounding region_ .... . . . . . . . CHAPTER X.-MiJ?-eralogy of the district ................... .............. r • • • • • |  | | Report (volume) | | _____ ________ 44 Miscellaneous occurrences in Nevada __ __ ______ 48 Tres Cerritos, Cal______________________________...__ 49 Cl if ton-Mo reuci district, Ariz__________ ,______ 50 Beaver County, Utah __ _____ _ ______ 50...about 7 miles due southwest of Marysvale, Piute County, Utah. It is located in and near sec. 16, T. 28...S., R. 4 W., and so far as known is covered by mining-claim locations. Marysvale is the present terminus...control of the Florence Mining & Milling Co., lessee of the Utah Gold Mountain Mining Co., including the so-called |  | | Journal (article/letter/editorial) | | ASSOCIATION THE OF GOLDFIELD ALUNITE DISTRICT, WITH GOLD IN NEVADA. • FREDERICK LESLIE RANSOME...•9oo,pp. 92-94. *Hurlbut,E.B. "On AlunitefromRed Mountain,OurayCounty,Colo." .4•n.four. Sci.,3d set.,vol... rado. It occurs alsoat TresCerritos, Ma[iposa County,California. • Mr. W. Lindgren2 found alunite in...oxidized ore, and, like the kaolinite of that district,is probablySecondary with referenceto the original...in geneticrelationwith ore-veins." In the Goldfield district alunite is so abundant and so gener- ally |  | | Report (issue) | | Crystals of Coexisting Alunite and Jarosite, Goldfield, Nevada By WILLIAM J. KEITH, LEWIS CALK, and R. P...Crystals of Coexisting Alunite and Jarosite, Goldfield, Nevada, by William J. Keith, Lewis Calk, and R. P...exposed. age that occur niorth of the Vermilion district and The northern boundary of the Vermilion Granitic...volcanic and sedimentary rocks of the Vermilion district (Sims, 1976). We 1 Minnesota Geological Survey...Precambrian W) age that occur north of the Vermilion district and south of the Kabetogama peninsula in northern |  | | Journal (article/letter/editorial) | | KendallGold Mines, Goldfield, Nevada PETER G. VIKRE ASARCO Inc., 510 East Plumb Lane, Reno, Nevada 89502 Abstract...replacementof Miocenerhyolites2 mi (3.2 km) north of Goldfield,EsmeraldaCounty,Nevada.The ledges,which are approximately21...similarto those of the main district,immediatelynortheastof the town of Goldfield,where more than 95 percentof...whichcontainbeddedbaritedeposits elsewhere in southwestern Nevada,andsulfidesulfurfromTertiaryintrusions.Smallamountsof...essentiallycoevalwith rhyodacite,latite, and andesitcin the main district, subvolcanic intrusionsor diapirsof theserock |  | | Journal (article/letter/editorial) | | GEOLOGY AND ORE-DEPOSITS DISTRICT, OF THE GOLDFIELD NEVADA2 F. L. RANSOME. PART II. MINES AND...divisions,which may be cohvenientlydesignatedthe "Goldfield" and "Diamondfield" groups. Of these the first...supplied over 95 per cent. of the output of the district and includessuch well-known mines as the Mohawk...Kendall Mountain on the north in a gentle curve, concave to the northeast, past Columbia Mountain and Milltown...in rhyolite; a very importantgroup northeastof Goldfield,which is mainly in dacite, although latite is |  | | Report (issue) | | SURVEY GEOCHEMISTRY OF THE ALTERED AREA AT GOLDFIELD, NEVADA, INCLUDING ANOMALOUS AND BACKGROUND VALUES...--_- - _-_- ---- - 23 -_ 26 -- 33 gold, silver, bismuth, lead, mercury, arsenic, copper, molybdenum--...molybdenum--. General -- - -- -------- * Gold, silver, and bismuth -- 36 -___- 35 --- 37 . Lead...---- Illustrations Page Figure 1. Map of Goldfield, Nev., and vicinity, showing areas df hydrothermal...abundance--------------- - 38 j 7. 39 8. Variations in silver abundance-- ------------------i Variations in bismuth |  | | Report (volume) | | DIRECTOR GEOLOGIC RECONNAISSANCE SOUTHWESTERN NEVADA AND EASTERN CALIFORNIA SYDNEY H. BALL WASHINGTON...______ . _________i________________ History of mining development..--_________ r ________ Economic c...Region about Goldh'eld_______________________ Lone Mountain foothills_ __________________:._______ Topography..._________.___ _ ________ Northeastern extension of the Silver Peak Range._________ Topography and geography _________...Economic geology.__________________________ Gold and silver.________________________ Iron ores.________________________ |  | | Report (issue) | | ___________________ -_-----Lode and placer gold deposits, Mohave County _______________________ _ California ________________________...Mother Lode, Amador County __________ _ Tertiary gravels, Nevada City area, Sierra Nevada ________________..._ _ _ _ _ _ _ _ _ _ Silver and copper in McEJmo Canyon ______ Copper and silver in Precambrian rocks...Geology of Hahns Peak and vicinity _______ Lookout Mountain area, eastern San Juan Mountains ________ _ _..._ _ _ _ orthwestern San Juan Mountains ________ Silver Cliff- Rosita district_ ____________ Georgia ____ |  | | Report (issue) | | Elen1ents Near Ore Bodies in the Oxidized Zone at Goldfield, Nevada GEOLOGICAL SURVEY PROFESSIONAL SPOkANE~...at Goldfield, Nevada By R. P. ASHLEY and]. P. ALBE~S GEOLOGY AND GEOCHEMISTRY OF THE GOLDFIELD MINING...MINING .DISTRICT, NEVADA GEOLOGICAL SURVEY PROFESSIONAL PAPER 843-A An evaluation of nine elements...prospecting in the hydrothermally altered area at Goldfield ·.': '• !.'· UNITED STATES GOVERNMENT PRINTIN·G...zone at Goldfield, Nevada. (Geology and geochemistry of the Goldfield Mining District, Nevada) (Geological |  | | Journal (article/letter/editorial) | | University of New Mexico, Albuquerque, NM 87131, USA Received 6 July 2005; accepted in revised form 1...data are from hot spring deposits in northwestern Nevada (Ebert and Rye, 1997), and are noted as steam-heated...data are from hot spring deposits in northwestern Nevada (Ebert and Rye, 1997), and are noted as steam-heated...jarosite; and Rio Grande Rift (RGR) deposits are from mining districts in southern New Mexico and northern Mexico...fluid-rock processes on Earth. Approximately 29 mining districts along the Rio Grande Rift in southern |  | | Journal (article/letter/editorial) | | Implications to the p~eoweathering history of the western USA and West Africa PAULO M. VASCONCELOS,’ GEORGE H....94720, USA *Institute of Human Origins, Ge~hronology Center, 2453 Ridge Road, Berkeley,CA 94709, USA (Received...in Goldfield, Nevada. The results indicate that pervasive weathering occurred in the western USA during...recorded in these weathering profiles in the western USA and Africa, and also previously measured in Brazil...jarosite dating from two weathering profiles, Goldfield, Nevada, and Syama, Mali (West Africa). RENEWEDINTERESTin |  | | Report (issue) | | ------California ------------------------------Nevada ---------------------------------Oregon ------...l cooperators --------------------------State, county, and local cooperators -----------Other cooperators...gional offices ----------------------Area and District offices -------------Earth Resources Observation...----------------Regional offices ----------------------District offices -----------------------Offices in other...deposits and tectonic features, central Sierra Nevada, California F. C. W. Dodge reports that the distribution |  | | Report (issue) | | enews: Wieyei aia wave tie"weue'e shetout 266 Bagte Mountain secccccsetee ves eeoee ee eevee ecs ee 268 Engels...Zi oe Mountatn ~Pass) cs. sim ssicwiy tat.0e 276 Nevada City-Grass Valley ..... 279 New Almad@n 6.6sravs...no OIL ORO OIG ZoZ 292 Boulder County Tellurides .... 294 Boulder County Tungsten ...... eeoeeesee 296...323 A. Rifle area, Colorado «0s... 323 B. Uravan District, Colorado 324 Cope tick Rock DIsEEIcL sCoLoradO)...324 DeeGkante District, New sMext Comer. clecetsls cused cists! 0/0 326 E. Shiprock District, Utah—Arizona |  | | Journal (issue) | | world as far as pyriu e.rploi!ation is concerned. Mining activities ir. souJhern Tuscany date back to the...ramp. Overall length of galleries is 20 1cm. . Mining rmthods . Special explosives are used high t~ralures...closed lo mir.ers. "Sub-level sloping" is the main mining method. Exploited areas are filled wilh quarry...Law-ion. Mycer.eans sporadically exp/oiled lead and silver ore there, ar.d Phoenicians trade ships landed...ojfice,:s lo deal _with _r~e subcortlracting of mining claims to privau atheman ct!izens. Under the rule |  | | Book | | Mansfield (?) sandstone. 13.3 Warren-Tippecanoe county line. 14.2 Turn left (south) off black-top road...to Warren-Tippecanoe county line via Green Hill. 21.7 Warren-Tippecanoe county line. Turn left (north)...NE V 4 SW V4 Section 5, T. 22 N., R. 6 W. Warren County Unit Lithologie Description Thickness, feet...that outcrop northwest of High Bridge in Benton County. Although the breccias may be a series of storm-breccia...and cause of deposition. Bedrock units of Warren County have not received serious study for many years |
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