| | Report (issue) | INTERIOR GEOLOGICAL SURVEY URANIUM IN WHEELER BASIN GRAND COUNTY, COLORADO By Edward J. Young Open-File Report...27 Figures Page Figure 1. 2. Geology of the Wheeler Basin area.........................2 Photographs of...of uranium occurrences in Wheeler Basin A. WH-4 A biotite concentration (5xl8cm) in migmatite. Yellow...Table 1. Uranium and thorium analyses from Wheeler Basin............4 2. X-ray spectroscopic analyses...3. Spectrographic analyses of samples from Wheeler Basin 3A......................................... | | | Report (volume) | Indian Peaks Study Area, k Boulder and Grand Counties, Colorado By ROBERT C. PEARSON, U.S. GEOLOGICAL...national forest lands in the Indian Peak study area, Colorado, that are being considered for wilderness designation...the Indian Peaks study area, Boulder and Grand Counties, Colorado. (Studies related to wilderness) (Geological...mineral resources Colorado Boulder Co. 2. Mines and mineral resourcesColorado Grand County. I. United States.... ... fil \JX VI INDIAN PEAKS STUDY AREA, COLORADO Mineral Resources Continued Description of Mineralized | | | Journal (article/letter/editorial) | PROTER¸Z¸IC COMMUNICATIONS ORIGINS OF URANIUM THE COLORADO FRONT MINERALIZA RANGE TICIN IN CARLE. NELSON*ANDJAMESR...uraniumhavebeenproducedfrom high-gradevein-typedepositsin the Colorado Front Range (Table 1). However, of the 25 occurrences...Presentaddress:Cimarron ExplorationIncorporated,Lakewood, Colorado 80228. backgrounduraniumcontentsof up to 8 ppm...4 SPRING $ SISK 6 MILLER 7 FAIR 8 WHEELER BASIN 9 BANKERS LODE DAY 10 FMD 11 GRAPEVINE...bestexamplesof metamorphicuranium concentrationoccursat Wheeler Basin (8, Fig. 1). Mineralization occurswithin a broad | | | Journal (article/letter/editorial) | subducted, mid-Proterozoic oceanic crust. This oceanic basin perhaps formed by initial rifting of the Lurio and...00 O Bancrof,Ont.,, Adirondacks,N.Y., USA Wheeler Basin, 1094 - 1200 1450 + 20 Radium Hill, S...Of (1700m.y.) Idaho Springs Form. Grenville Colorado Front Range Grenville Phl~gopite lodes in sheared...Koresten Complex, Ukraine,USSR 1700 Col.,USA Pikes Peak, Co.,USA Canada ca. I040 980 - 1090 1975. ...Desbrough, G.A., 1975. The Pikes Peak batholith, Colorado Front Range, and a model for the origin of the | | | Report (issue) | Basement in Colorado GEOLOGIC A I, Rock Units of the Precambrian Basement in Colorado By OGDEN TWETO...TWETO GEOLOGY OF THE PRECAMBRIAN BASEMENT IN COLORADO U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1321-A...igneous rocks in outcrop and the buried basement in Colorado UNITED STATES GOVERNMENT PRINTING OFFICE...1912-1983 Rock units of the Precambrian basement in Colorado. (Geological Survey Professional Paper ; 1321-A)...Geology, Stratigraphic Pre-Cambrian. 2. Geology Colorado. QE653.T9 1986 551.7'1'09788 I. Title. For sale | | Hedge, Carl E., Harrison, Jack Edward, Houston, R.S., Tweto, O.L., Peterman, Z.E., Reid, R.R. (1986) The Precambrian of the Rocky Mountain region. Professional Paper 1241d. US Geological Survey doi:10.3133/pp1241d | Report (issue) | . . . . . . . . . . . . Proterozoic rocks of Colorado and southern Wyoming . . Crystalline basement.... . . . 3. Geologic map of the Precambrian of Colorado and southernmost Wyoming . . . . . . . . . . 4...ages of approximately 1,670-m.y.-old plutons in Colorado . . . . . . . . . . . . . 5. Diagram of estimated...this terrane 2,500 to 2,760 million years ago. In Colorado, a thick sequence of volcanic and sedimentary...1,400 million years ago and again, in central Colorado, 1,015 million years ago. Shelf-type sedimentary | | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). | | | Report (issue) | Bergquist and William W. White .. ........ . Emigrant Basin and Hoover Wildernesses and adjoining roadless areas.... . ... . ... .. ......... . Laurel-McGee and Wheeler Ridge Roadless Areas, Califor· nia, by Michael........... . ........ . Colorado Buffalo Peaks Wilderness Study Area, Colorado, by D. C. Hedlund and R...Roadless Area and Powderhorn Wilderness study area, Colorado, by William . Sharp and M. E. Lane . . . . . ...Chama-Southern an Juan Mountains Wilderness study area, Colorado, by Maurice R. Brock and Alec E. Lindquist . | | | Book | (South Africa, Namibia), Chenoweth W. (Colorado Plateau, USA), Coste A. (Limousin, France), Cuney M....Grauch R (western USA), Gautier A. (breccia pipe deposits, USA), Halladay Ch.R (eastern USA), Harshman E.N...N. (Wyoming Basins, USA), Hruby J. (CSFR), Kolb S. (Bavaria, W-Germany), Krol W. (Eastern Europe), Matos... N.M., USA), Smith RB. (South Texas, USA), Tan H.B. (Canada), Thamm J. (Colorado Plateau, USA), Tauchid...Voss C. (general), Wallace A.R (Schwartzwalder, USA), Wutzler B. (Australia). The numerous manuscripts | | | Report (volume) | cientifica Circular Classe classification Company, County Collections Committee Communications Comparative...Publications vols. 4-8 (no. 2). Cleveland, Ohio. Colorado Mining Association Mining Year Book, 1934-35,... 1935-36, 1937, 1939. Denver, Colo. Colorado Museum of Natural History: Popular Series no. 3; Proceedings...Proceedings vols. 1317 (no. 1). Denver, Colo. Colorado School of Mines: Mines Magazine vols. 19-24; Quarterly...Golden, Colo. Colorado Scientific Society Proceedings vols. 12-14 (no. 2). Denver, Colo. Colorado University: | | | Report (issue) | uraninite. Major deposits occur in the Athabasca Basin in Canada and the Alligator River region of Australia... the Paterson Basin in Western Australia (McKay & Miezitis 2001) and the Thelon Basin in 6 300000...extensional basins Rift/back arc basins Arc/Marginal Basin Alkaline complexes Rift/back arc basins Intracratonic...Intracratonic & marginal basins Drainage basin Intracratonic & extensional basins Continental shelf/marine...Uncle Sam (USA), Gantour, (Morocco), Al-Abiad (Jordan), Randstat (Sweden) Arizona Strip (USA) Yeelirrie | | | Report (issue) | Geophysical and structural studies ------------ 40 Basin and Range region ------------------------ 40 Mineral-resource... and mineral-resource investigations-Continued Basin and Range region-Continued Stratigraphic and structural...Central region ---------------------------------- 81 Colorado ----------------------------------- 82 Iowa -...Region --------------Front Range urban corridor, Colorado ____ Greater Pittsburgh regional studies ______...cooperators ----------------------------State, county, and local cooperators -------------Other cooperators | | | Report (issue) | --------Geothermal resource studies -------------Basin and Range Province -------------------Stratigraphic...------Arkansas -------------------------------Colorado -----------------------------~--Kansas ·-----...al cooperators _------------------------State, county, and local cooperators -----------Other cooperators...sample and jts leachate, Pando area, Eagle County, Colorado -----------------------------------------...subducting plate of oceanic lithosphere (Great Basin and Rocky Mountain deposits of the general Laramide | | De Vivo, B., Ippolito, F., Capaldi, G., Simpson, P. R. - Eds. (1984) Uranium geochemistry, mineralogy, geology, exploration and resources. Springer Netherlands. doi:10.1007/978-94-009-6060-2 | Book | deposits at that time-those in Portugal, Cornwall, Colorado, etc.-were practically untouched. Even thorium...St. Ives in Cornwall, in the Paradox Valley in Colorado and in Portugal. The first discoveries of uranium...Romberger Department of Geology, Colorado School of Mines, Golden Colorado, U.S.A. Many geologists accept...progressive reduction in the permeability of the channels basin ward. This yields a district-wide trapping mechanism...also be derived from the upper reaches of a river basin, where any of the rock types listed in Table 2 may |
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