 | | Report (issue) | | Uranium-Vanadium Deposits of the Slick Rock District, Colorado U.S. Geological Survey Professional Paper...Survey Cover photograph: Burro No. 7 mine, Slick Rock, Colorado. Photograph by Jim Cappa, 2005. Uranium-Vanadium...of the Slick Rock District, Colorado By Daniel R. Shawe With a section on Appendix on District Production...INVESTIGATIONS IN THE SLICK ROCK DISTRICT, SAN MIGUEL AND DOLORES COUNTIES, COLORADO GEOLOGICAL SURVEY PROFESSIONAL...2011, Uranium-vanadium deposits of the Slick Rock district, Colorado: U.S. Geological Survey Professional |  | | Journal (article/letter/editorial) | | URANIUM-VANADIUM SLICK ROCK DISTRICT, SAN MIGUEL COUNTIES, DANIEL OF THE AND DOLORES COLORADO ⢠R. SHAWE............................................ 402 Rock alteration 404 .................................ABSTRACT Sedimentaryrocks known in the Slick Rock district in southwestern Coloradorange in age from...north part of the district and by the Glade fault zone in the south part of the district. Principal fracture...major faults. Detrital hematite, magnetite, and ilmenite in rocks of the Morrison formationnot affectedby |  | | Journal (issue) | | Report: Sediment Hosted Vanadium-Uranium of the Colorado Plateau 12 Presidentâs Letter 18 Online Lunch...43 Advertiser Index Maroon Bells, near Aspen, Colorado Picture taken by Stephen Sturm 43 Calendar 11...holidays and a Happy New Year to all my favorite rock-lovers! This is a bittersweet report for me;...currently have members who are career professionals in mining, Âť CONTINUED ON PAGE 13 Well Log Digitizing â˘...busy drilling forty prospective structures in 16 Colorado counties. Over 35 oil companies had opened offices |  | | Report (volume) | | . 234 " y { " ,-t .. .~,:",. I " , COLORADO "or.! _ +, (~ STATE OF .~ :'(' COL~ADO /... BULLETIN 40 RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BlaLlllGRAPHY by James L. Nelson-Moore,...Energy COLORADO GEOLOGICAL SURVEY DEPARTMENT OF NATURAL RESUURCES STATE OF COLORADO DENVER, COLORADO 1978...ete 11 st r ng of rad i aaet 1ve occurrences 1n Colorado, with a comprehensive blbi iography and bibliographic...on the Colorado Plateau sparked several periods of exploratIon that ultimately led to a mining "boom ll |  | | Report (issue) | | Sedimentary Rocks in the Slick Rock District, San Miguel and Dolores Counties, Colorado GEOLOGICAL SURVEY PROFESSIONAL...Sedimentary Rocks in the Slick Rock District, San Miguel and Dolores Counties, Colorado By DANIEL R. SHAWE...INVESTIGATIONS IN THE SLICK ROCK DISTRICT SAN MIGUEL AND DOLORES COUNTIES, COLORADO GEOLOGICAL SURVEY..._______________________________________________ Rock names._________________________________________...estimates_______________________________________________________ Rock-forming minerals_______________________________ |  | | Report (issue) | | History of the Slick Rock District and Vicinity, San Miguel and Dolores Counties, Colorado GEOLOGICAL SURVEY...History of the Slick Rock District and Vicinity, San Miguel and Dolores Counties, Colorado By DANIEL R....INVESTIGATIONS IN THE SLICK ROCK DISTRICT, SAN MIGUEL AND DOLORES COUNTIES, COLORADO GEOLOGICAL SURVEY PROFESSIONAL...waters resulting from evolution of the sedimentary rock environment UNITED STATES GOVERNMENT PRINTING OFFICE...history of the Slick Rock district and vicinity, San Miguel and Dolores Counties, Colorado. (Geologic investigations |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |  | | Report (volume) | | Creek tuff___...__---..-_..-.._--_.__.___-....-.._ Cougar Point welded tuff.......-__._-.----.-.-__---..-...deposits.--------___--._-___--.--___.--_-____.--_ Rock glaciers.------------------.----..----_-__----__-... The Jarbidge quadrangle in Elko County, Nevada, and Owyhee County, Idaho, is an area of rugged mountains...fraction of the area is in Elko County, Nevada; the remainder is in Owyhee County, Idaho. The region is accessible...Deep Creek Mountains, just south of the Gold Hill district. Bick (1959, p. 1064^1065) proposed to restrict |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...............121 by D. R. Peacor and P. J. Dunn Miguel Romero and the Romero Mineralogical M useum .....Mineralogical Research Co., 15840 E. AltaVista Way, San Jose, CA 95127. A list of other dealers in back issues...The twelve color photos show groups of mine lamps and other mining antiques from the extraordinary private...Shore, MA. Seton Hall, NJ__ Cal. Fed. Ventura . San Francisco . Denver (R. Mtn. Fed.) Houston Pacific |  | | Report (issue) | | . . . . . . . . . . . . . . . . . 1 Chapter I. Mining Districts of Counties and the State of Utah. .... . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 1 Chapter II. Mining Districts of Utah . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (volume) | | the Jarbidge Wilderness and Adjacent Areas, Elko County, Nevada By R. R. COATS, R. C. GREEN, and L. D....Wilderness and certain adjacent study areas, Elko County, Nevada. CONTENTS Page Summary ___________...----------------------------------Colluvium and rock glaciers_______________________________________...-----------------------------------------------Mining claims ---------------------------------------...-----------------------------------------------Cougar Peak area------------------------------------- |  | | Report (volume) | | Geophysical Union.. Transactions, American Institute of Mining and Metallurgical Engineers _..._ American Journal...Mines Special Reports _.......__ ________ Colorado Mining Association publications . Economic Geology...Geology. _ . _ ___... Engineering and Mining Journal _ , Geochimica et Cosmochimica Acta _ Bulletin, Geological...of Sedimentary Petrology_...__._ Mines Magazine Mining Engineering ........___..._...._____ Advances in...the areas and subjects are listed under States, "Colorado Plateau," "United States," or under a few subject |  | | Report (issue) | | ____________________________________ _ History of mining and production ________________ _ General description...States. FIGURE 1. Map showing location of uranium-mining districts in West-Central United States-------------------------2...--8. Cross sections of roll ore bodies of the Colorado Plateau region_________________________________________...size in sandstone beds of Triassic age in the Colorado Plateau region__ 10. Histogram showing the percentage...deposits in sandstone beds of Triassic age in the Colorado Plateau region_______________________________ |  | | Journal (article/letter/editorial) | | 27Âą58 2004 DOI: 10.1093/petrology/egg081 The Cougar Point Tuff: Implications for Thermochemical Zonation...UT 84112, USA RECEIVED DECEMBER 18, 2001; ACCEPTED JUNE 30, 2003 The 127---105 Ma Cougar Point Tuff...Tuff in southern Idaho, USA, consists of 10 large-volume (4102 ---103 km3 each), high-temperature (800---1000C)...475 m in the Bruneau River canyon along the Black Rock escarpment in southern Idaho (Bonnichsen & Citron...however, have demonstrated contamination by wall rock of glass included in quartz of the Bandelier Tuff |  | | Journal (article/letter/editorial) | | Sciences, Brigham Young University, Provo, Utah, 84602, USA (Received 15 November 2004; accepted 6 October 2005)...Great Basin and the Fish Canyon Tuff of Colorado in western USA). Apparently, their magma chambers were...United States include the Fish Canyon Tuff from Colorado (Whitney & Stormer, 1985; Bachmann, Dungan & Lipman...Basin Denver Reno Colorado Plateau 39° 38° Central Nevada 36° Indian Peak San Juan Las Vegas 37°...plagioclase, quartz, biotite, hornblende, magnetite, ilmenite, pyrrhotite, apatite and zircon; many of these |  | | Journal (article/letter/editorial) | | SpECiES FRom thE WaiSaNEN QuaRRy, gREENWood, oXFoRd CouNty, maiNE. J. Nizamoff 1, C. A. Francis2, F. C. Perham3...elbaite were found nearby. Shortly after these finds mining ceased, and the quarry lay dormant. The Waisanen...microcline from the Waisanen quarry, greenwood, oxford County, maine. Volume 91, March/April 2016 179 Rocks...specimens. REFERENCES Perham, F. C. 1964. Waisanen mine operationsâSummer 1963. Rocks & Minerals 39:341â47...Maineâs treasure chest: Gems and minerals of Oxford County. West Paris, ME: Quicksilver Publications. Xenocrystic |  | | Report (issue) | | P. Leeman ........... 155 Chapter 4-Volcanic Rock Groups, Snake River Plain ........................ . 213 Cenozoic Stratigraphy of Western Owyhee County, Idaho, by E. B. Ekren, D. H. McIntyre, E. H. Bennett... . . . . . . . . . . . . . . . . . . . 237 The Cougar Point by Bill Bonnichsen Tuff; Southwestern and... . . . . .. Pre-Cougar Point Tuff Volcanic Rocks Near the Idaho-Nevada Owyhee County, Idaho, by John...of Tertiary-Quaternary Volcanic Rocks in Caribou County, Idaho, by D. W. Fiesinger, W. D. Perkins, and |  | | Report (volume) | | MINES With a section on the THUNDER MOUNTAIN DISTRICT By B. F. LEONARD, U.S. GEOLOGICAL SURVEY, and...______________________ Salmon River district ____________________________ Chamberlain district _____________________________..._______ Edwardsburg district _____________________________ Ramey Ridge district ____________________________...________ Big Creek district ______________________________ Middle Fork district _____________________________...____ Monumental Creek district _________________________ Marble Creek district ____________________________ |  | | Report (issue) | | Geochemistry and Mineralogy of the Colorado Plateau Uranium Ores Compiled by ROBERT M. GARRELS and ESPER...provided an unequaled opportunity to investigate the Colorado Plateau uranium ores. This volume summarizes the...uranium deposits than those represented on the Colorado Plateau. The general patterns of the oxidation...Introduction. 1 Part 1. Geologic setting of the Colorado Plateau ores, by Alice D. Weeks and R. M. Garrels________...Garrels________ 2. Characteristics of the host rock, by Robert A. Cadigan _________________________________ |  | | Journal (article/letter/editorial) | | specimens, are either inaccessible or are in closed mining districts, or are closed for political reasons...City-D~Lamar Mining Dlstricts / J\. I,' -r-, - L..... ~ rl.. kl \ , 50 I 100 I Miles old mining and...topaz, and other minerals. Unfortunately, the host rock, a pink granite, lies within a Wilderness Area in...scientific significance. In this index, the better known mining districts that have produced many high-quality...across, on blue thomsonite. Lucky Peak Dam, Ada County; Lanny Ream specimen and photo. Figure 3 (below) |  | Almeev, Renat R., Bolte, Torsten, Nash, Barbara P., Holtz, François, Erdmann, Martin, Cathey, Henrietta E. (2012) High-temperature, low-H2O Silicic Magmas of the Yellowstone Hotspot: an Experimental Study of Rhyolite from the BruneauâJarbidge Eruptive Center, Central Snake River Plain, USA. Journal of Petrology, 53 (9) 1837-1866 doi:10.1093/petrology/egs035 | Journal (article/letter/editorial) | | Bruneau^Jarbidge Eruptive Center, Central Snake River Plain, USA 1 INSTITUTE OF MINERALOGY, LEIBNIZ UNIVERSITY OF...UNIVERSITY OF UTAH, SALT LAKE CITY, UT 84112-011, USA RECEIVED OCTOBER 7, 2011; ACCEPTED MAY 3, 2012 ADVANCE...Rhyolite) and of a more evolved rhyolite composition (Cougar Point Tuff XV) from the 12¡8^8¡1 Ma Bruneau^Jarbidge...and the liquidus temperature of the more evolved Cougar Point Tuff sample (BJR; 940^10008C) is at least...(Plag), sanidine (San), quartz (Qtz), augite (Aug), pigeonite (Pig), magnetite (Mt), ilmenite (Ilm), and fayalite |  | | Journal (article/letter/editorial) | | consistent with those 25 predicted from whole-rock compositions, implying that all analysed crystals...Olympic Dam; crystal cluster; Snake 40 River Plain; San Juan 41 1. Introduction 42 Crystal clusters are...types and proportions of source rocks involved in rock genesis (e.g. Chappell et al., 1987; 45 Clemens..., 2012). 175 3. Methods 176 Upper GRV whole-rock geochemical data was compiled from previous publications...redefined units of Allen et al. (2003) (no new whole-rock GRV analyses are presented). We 180 further classified |  | | Report (issue) | | Inc. 3300 Penrose Place, P.O. Box 9140, Boulder, Colorado 80301 GSA Books Science Editor Campbell Craddock...the lava dome at Mount St. Helens, Washington, (USA), 1981-1983 ........ D. A. Swanson, D. Dzurisin...produced a hot rock avalanche and small mudflow. Ejections of gas and comminuted dome rock from the top...growth that characterized activity during 1981-83. (USA), 2 D. A. Swanson and Others INTRODUCTION The...x 106 m3 for April for March 19 pumice 4 rock-avalanche. SExtrusion preceded by a lateral explosion |  | | Journal (article/letter/editorial) | | geochemistry, major phases (e.g., pyroxene and ilmenite), and radiogenic isotopes. To test for the synchronous...University, 1910 University Drive, Boise, ID 83725, USA rock record. Among the challenges for volcanological...geochemical fingerprinting methods such as bulk rock or mineral compositions (De Silva and Francis 1989;...(orange), TBBâTuff of Big Bluff (red), and CPT XIIIâCougar Point Tuff XIII (blue). Right is the Tuff of Big...from the south of the plain, the samples come from Cougar Point Tuff XIII and the Big Bluff Member (Bonnichsen |  | | Book (volume) | | A Location Guide for Rock Hounds in the United States SOUTH DAKOTA This northwestern Great Plains state...instance, a single Spodumene crystal from the Etta Mine near Keystone on the east side of the Mount Rushmore...beds, excavations, etc.ďžSelenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...ďžgray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.ďžpetrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: ď area ridges, slopes, stream beds |
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