 | | 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) | | - 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) | | 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) | | 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 |  | | 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) | | Mifflintown Formation of Middle Silurian age, Bedford County, Pennsylvania, by Wallace de Witt, Jr _____________...Baxter Springs Member (of Boone Formation). Beidell Quartz Latite __ Belden Formation ___ late Miocene ______...Oklahoma and Kansas- Big Basin Sandstone ___ Bingham Mine Formation. Southwestern Kansas North-central Utah...(1896) adopted. (Meyer and others, 1970.) Bingham Mine Formation of Welsh and James (1961) adopted as uppermost...Reeds Spring, Grand Falls, Joplin (new), Short Creek, Baxter Springs (new), and Moccasin Bend. (McKnight |  | | Report (issue) | | field guide to the Copper Butte area, eastern Pinal County, Arizona by William R. Dickinson Emeritus Professor...contingent]: Ray Mine overlook (ON RIGHT) about 11 miles past Kearny [do NOT turn on Ray Mine Road!; turnoff...beyond the historical marker sign]. STOP #1. Ray Mine Overlook. Sterling Cook will describe key geologic...your eyes up to Teapot Mountain above the Ray pit on the skyline ridge west of Mineral Creek. Note the bold...underlying Whitetail Formation (especially clear under Teapot Mountain proper). The maximum eastward dips low |  | | 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) | | 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) | | 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 |  | | Journal (article/letter/editorial) | | East Fourth Street, Tucson, Arizona 85721-0077, USA Abstract This study integrates new geologic mapping...folds, and involve significant crystalline basement rock. The Telegraph Canyon reverse fault has at least... G al ro fau M fau lt lt tn s Hi Copper Creek 77 H Mammoth ault ef Jo oly lls San Manuel ...(Pioneer) and Mineral Creek mining districts. The Superior (Pioneer) district includes the historic Silver...O’Neal, 2015), whereas the Mineral Creek district includes the Ray mine (Metz and Rose, 1966; Phillips et |  | | Journal (issue) | | Collector's Newsletter $3.00 The Rock Dam Gold Prospect A New Quartz Locality, Dickinson Co., Mich~g_an...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...themselves are thoroughly unglamorous, yielding neither quartz crystals nor any noteworthy accessory minerals...prospects, Bayley (1904) states that, "some of these quartz veins contain small quantities of free gold, as |  | | Report (issue) | | production, if any, and the amount of uranium in rock using a cutoff of about 0.03 percent U^Og. Major...clusters of large roll-front uranium deposits in Weld County, Colorado are in the Cretaceous Fox Hills Formation... NORTH DAKOTA^ " SOUTH DAKOTA 45< NEBRASKA NEVADA]' (KANSAS 37C ARIZONA NEWNOCO "("OKLAHOMA I_...the Eocene Wind River Formation in the Gas Hills District (Zeller and others, 1957; King and others, 1965;...Carbon County; and (3) the Eocene Battlesprings Formation in the Green Mountain (Crooks Gap) District (Klingmuller |  | | 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 |  | | 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 |  | | Report (issue) | | .................................. Ilistory of mining.................................................... ·.......................................... Mining and milling................................................................. .-................ Quartz.:mica diorite (Madera diorite)......................................... J.Jost Gulch monzonite (quartz monzonite)................................................................. , ............ . 57 Quartz diorite .. ~ ................................. |  | Christiansen, Robert Lorenz, Poole, F.G., Barnes, Harley, Orkild, P.P., Byers, F.M., Carr, W.J., McKeown, F.A., Houser, F.N., Shoemaker, E.M., Emerick, W.L. (1969) Guidebook for past field trips to the Nevada Test Site. Open-File Report Vol. 1969 (69-38) US Geological Survey doi:10.3133/ofr6938 | Report (issue) | | GEOLOGICAL SURVEY GUIDEBOOK FOR PAST FIELD TRIPS TO THE NEVADA TEST SITE by R. L* Christiansen, F. G. Poole,...Stratigraphy and post-Paleozoic tectonic structure of Nevada Test Site and Vicinity, by F. G. Poole and Harley...Geological Survey at the Nevada Test Site since 1957 in cooperation with the Nevada Operations Office of...topically oriented field trips. In several respects the Nevada Test Site is located in an area that is especially...Structural geology of the Specter Range quadrangle, Nevada, and its regional significance: Geol. Soc. America |  | | Report (issue) | | geology of the western part of the Globe-Miami district, Arizona In pocket FIGURES 1-4. Map showing:...of Si/femic + Si versus K/femic + K ratios for 10 rock phases 6-8. Graphs showing: 6. Mean values of normalized...Normalized rare-earth-element abundances in the 10 rock phases that constitute the Schultze Granite, the...and cations per standard cell of 160 anions of 11 rock phases 2. Radiometric ages of the Granite Basin...Cup Granodiorite 3. Significant differences for 11 rock phases in major element cations (92-97) per standard |  | | 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) | | ROCKS OF THE MINERAL MOUNTAIN AND TEAPOT MOUNTAIN QUADRANGLES, FINAL COUNTY, ARIZONA By William J. Keith...data from our studies in the Mineral Mountain and Teapot Mountain quadrangles available to those interested...map showing location of the Mineral Mountain and Teapot Mountain 7-1/2-minute quadrangles 2 2. Sketch... 4. 5 Sketch map of the Mineral Mountain and Teapot Mountain quadrangles showing only the major Tertiary...ROCKS OF THE MINERAL MOUNTAIN AND TEAPOT MOUNTAIN QUADRANGLES, FINAL COUNTY, ARIZONA by William J. Keith |  | | Report (issue) | | of the Pine MountainOil Mountain area, Natrona County, Wyoming By Eugene G. Cserna, Gloria J. Kerns...of the Pine Mountain-Oil Mountain area, Natrona County, Wyoming 2. Overlay for subsurface structure...are thin and steeply dipping, making a commercial mining operation highly improbable. Some parts of the...the southwest (Rich, 1962). The smaller, Iron Creek and Oil Mountain, anticlines locally reverse the...steeper dips on their northeastern flanks. Iron Creek anticline, located in the southeastern corner of |  | | Journal (article/letter/editorial) | | ....................................... Miami district, Arizona ....................................... New Mexico ......................... Ely district, Nevada ............................................alteration whichare designated as follows: 1. Quartz-orthoclase; 2. Quartz-sericitePublishedby permission of the...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) | | 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 |  | | 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 |
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