 | | Report (issue) | | Uranium-Vanadium Deposits of the Slick Rock District, Colorado U.S. Geological Survey Professional Paper 576-F... Cover photograph: Burro No. 7 mine, Slick Rock, Colorado. Photograph by Jim Cappa, 2005. Uranium-Vanadium... Uranium-Vanadium Deposits of the Slick Rock District, Colorado By Daniel R. Shawe With a section on Appendix on...INVESTIGATIONS IN THE SLICK ROCK DISTRICT, SAN MIGUEL AND DOLORES COUNTIES, COLORADO GEOLOGICAL SURVEY PROFESSIONAL...contributes to the understanding of the origin and formation (genesis) of the deposits. U.S. Department of |  | | Journal (article/letter/editorial) | | SLICK ROCK DISTRICT, SAN MIGUEL COUNTIES, DANIEL OF THE AND DOLORES COLORADO • R. SHAWE, NORBERT...from depositsin the Salt Wash member of the Morrison formation of Late Jurassic age. The sedimentaryrocks...hematite, magnetite, and ilmenite in rocks of the Morrison formationnot affectedby epigeneticalterationc...igneousintrusionsin the La Sal and other centers on the Colorado Plateau, picked up elementsfrom sedimentary rockswhere...Map showinglocationof the Slick Rockdistrict,San Miguel and Dolores Counties,Colo. part of the district |  | | Report (issue) | | Rocks in the Slick Rock District, San Miguel and Dolores Counties, Colorado GEOLOGICAL SURVEY PROFESSIONAL...Rocks in the Slick Rock District, San Miguel and Dolores Counties, Colorado By DANIEL R. SHAWE GEOLOGIC INVESTIGATIONS...INVESTIGATIONS IN THE SLICK ROCK DISTRICT SAN MIGUEL AND DOLORES COUNTIES, COLORADO GEOLOGICAL SURVEY PROFESSIONAL..._________________________________________ Pre-Morrison rocks________________________________________...________________________________ Cutler Formation __________________________________________________ |  | | Report (volume) | | Uranium-Vanadium Ore Deposits in the Slick Rock District, Colorado GEOLOGICAL SURVEY BULLETIN Prepared on behalf...Uranium-Vanadium Ore Deposits in the Slick Rock District, Colorado By HOWARD E. BOWERS and DANIEL R. SHAWE CONTRIBUTIONS..._______________________ Lithology of the Morrison formation._____-__--__-_____---__-____ Structure.-...Barite_____________________________________---_-_-__----____ Anatase--_---____________________________________----_-_-_-_Pyrite...barite crystals._________ 12. Photomicrographs of anatase crystals._____________________ 13. Frequency distribution |  | | Report (issue) | | of a tabular uranium deposit, La Sal mine, San Juan County, Utah By Robert A. Brooks and John A. Campbell...and location maps of the La Sal mine area, San Juan County, Utah -- 3 2.--Generalized structural map...content of samples - 22 10.--Late-stage pyrite formation 23 11.--Carbon content of samples 24 12.--Chromium...of a tabular uranium deposit, La Sal mine, San Juan County, Utah By Robert A. Brooks and John A. Campbell...mine, San Juan County, Utah, occurs as a typical tabular-type uranium deposit of the Colorado Plateau |  | | Report (issue) | | Petrology of the Morrison Formation in the Colorado Plateau Region GEOLOGICAL SURVEY PROFESSIONAL PAPER...Energy Commission Petrology of the Morrison Formation in the Colorado Plateau Region By ROBERT A. CADIGAN...sandstone strata in a major uranium-ore-bearing formation which was deposited in a subsiding continental...______________________________ Problems of the Morrison study__________________ Stratigraphy ________..._ Salt Wash and Recapture Members of the Morrison Formation-______________________________________ Stratigraphic |  | | Report (volume) | | Empedrado, and La Lena Wilderness Study Areas, Sandoval County, New Mexico E14 VI Contents MINERAL RESOURCES...geothermal energy. SUMMARY mostly in Sandoval County, New Mexico, with a corner of the Chamisa Wilderness...Wilderness Study Area extending into McKinley County (fig. 1). The Chamisa (NM-010-021) Wilderness Study...Tongue of the Mancos Shale, the Crevasse Canyon Formation, the Hosta Tongue of the Point Lookout Sandstone...Cleary Coal and Allison Members of the Menefee Formation. Quaternary talus covers some hillslopes, and |  | | Report (volume) | | Geology of the Placerville Quadrangle San Miguel County Colorado GEOLOGICAL SURVEY BULLETIN This report...Geology of the Placerville Quadrangle San Miguel County Colorado By A. L. BUSH, C. S. BROMFIELD, and C...member_________________ Marl member.__________________________ Morrison formation________________________________ Salt...sandstone member of the Morrison formation._______ Facing 7. Relationship of the Morrison and Burro Canyon formations... FIGUBE 13. Index map of part of southwestern Colorado._______________ 14. Generalized structure map |  | | Report (issue) | | Bldg., 2600 corridor, 18th and CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169, 1961 Stout St. LOS ANGELES...Utah-Federal Bldg., Rm. 8105,125 South State St. SAN FRANCISCO, California-Customhouse, Rm. 504,555 Battery...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...SURVEY BULLETIN 1808 EVOLUTION OF SEDIMENTARY BASINS-SAN JUAN BASIN DEPARTMENT OF THE INTERIOR DONALD PAUL...region, New Mexico. (Evolution of sedimentary basins San Juan Basin ; ch. A) (U.S. Geological Survey bulletin |  | | Report (issue) | | Areal Geology of the Little Cone Quadrangle Colorado By A. L. BUSH, O. T. MARSH, and R. B. TAYLOR CONTRIBUTIONS...system_--__----------------------------_-----_____--Cutler formation..________.____________.____.___.___.____> Triassic...__--_-_-___-----___-____.---_______-.. Dolores formation.____________________________________ Jurassic...member.____________________________________ Morrison formation.___________________________________ Salt...___________________________________ Burro Canyon formation._______________________________ Upper Cretaceous |  | | Report (issue) | | organic matter.. ........ ...24 Photomicrograph of anatase replacing an altered titanomagnetite.... ........INTRODUCTION Arkosic sandstones of the Jurassic Morrison Formation in the Grants Mineral Belt, New Mexico contain...mines in the Westwater Canyon Member of the Morrison Formation. The petrographic descriptions and photomicrographs...Laboratories, U.S. Geological Survey, Denver, Colorado. All trace elements reported in Table I except...Laboratories, U.S. Geological Survey, Denver, Colorado. All S and C values are reported in weight percent |  | | Journal (article/letter/editorial) | | Adams et al., 1974). In the Morrison of the Slick Rock uraniumdistrictof Colorado,magnetiteand ilmenite are...depositis locatednear the town of Bruni in Webb County,Texas (Fig. 2), and occursin the Oligoceneand Miocene...the north. The two embaymentsare divided by the San Marcos arch over which the Catahoulais substantiallythinner...volcanicrock fragments,whereas 300 TE•MAP ARE San Antoreo ,,(KA RNESS\ , ,LEN C•I::LIVE WEBB CO...CO ,::•... [ Corpus Chnst•ff north of the San Marcos arch the Catahoula is richer in quartz with lesseramountsof |  | | Report (issue) | | thoroughly studied in samples from the Jurassic Morrison Formation in the area of the Grants mineral belt, New...sandstones and mudstones of the Morrison on the southern margin of the San Juan Basin. (1) Kaolinite was...bearing abundant organic matter; and (2) of the Morrison. in scattered nests throughout much Granger...occurrence may in some way be related to the formation of uranium deposits, whereas kaolinite in the...vanadium-uranium ore zones in the Morrison Formation on the Colorado Plateau (Garrels and others, 1959) |  | | Report (issue) | | --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_______________________________...elements in sandstone and in uranium ore in the Colorado Plateau region_____________ 5. Geometric mean...sandstone from parts of the Chinle and Morrison Formations, Colorado Plateau region, and their enrichment |  | | 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...association of radium, uranium. and vanadIum on the Colorado Plateau sparked several periods of exploratIon |  | | Report (issue) | | Minerals in Powderhorn District, Gunnison County, Colorado By J. C. OLSON and S. R. WALLACE A CONTRIBUTION...86. Index map of Colorado, showing location of Powderhorn district, Gunnison County, Colo_-__-__--_-_-_----_-_--_...MINERALS IN THE POWDERHORN DISTRICT, GUNNISON COUNTY, COLORADO By JERRY C. OLSON and STEWART R. WALLACE ABSTRACT...miles long in the Powderhorn district, Gunnison County, Colo. The district is underlain largely by pre-Jurassic...These rocks are overlain by sandstone of the Morrison formation of Jurassic age, and by volcanic rocks of |  | | Report (issue) | | in the Upper Jurassic Morrison Formation, San Juan Basin, New Mexico and Colorado: Geologic, Chemical,...Bldg., 2600 corridor, 18th and CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169,1961 Stout St. LOS ANGELES...Utah-Federal Bldg., Rm. 8105,125 South State St. SAN FRANCISCO, California-Customhouse, Rm. 504,555 Battery...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...in the Upper Jurassic Morrison Formation, San Juan Basin, New Mexico and Colorado: Geologic, Chemical, |  | | Journal (issue) | | Report: Sediment Hosted Vanadium-Uranium of the Colorado Plateau 12 President’s Letter 18 Online Lunch...43 Advertiser Index Maroon Bells, near Aspen, Colorado Picture taken by Stephen Sturm 43 Calendar 11...1921, seven geologists gathered to discuss the formation of a geological association in Denver. They agreed...busy drilling forty prospective structures in 16 Colorado counties. Over 35 oil companies had opened offices...groups. AAPG was incorporated in the state of Colorado on April 21, 1924, by Max Ball, Charles Rath, |  | | 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________...chemical character of ground water in the Morrison formation, by David A. Phoenix _________________________________ |  | | Journal (article/letter/editorial) | | nation's reserves. Most of the ore occursin the Morrison formation of Late Jurassicage as elongate,tabular,...dl•lr•c• 410 M•les olher lhan •mbro•iQ •oke COLORADO NEW MEXICO TEXAS MEXICO FIG. 1. Index map...AmbrosiaLake on the north, Grants on the south, San Mateo on the east, and Prewitt on the west (Fig...Centennial DevelopmentInc., and 21. Doris 22. Hogan 23. San Mateo Phillips Petroleum Co. Four Corners Exploration...Dakotasandstone as well as many depositsin the Morrison formation. This definition of the district is somewhat |  | | Report (issue) | | and Flume Canyon Wilderness Study Areas, Grand County, Utah U.S. GEOLOGICAL SURVEY BULLETIN 1753-A ...and Flume Canyon Wilderness Study Areas, Grand County, Utah By ROBERT P. DICKERSON, JERRY D. GACCETTA...and Flume Canyon wilderness study areas, Grand County, Utah. (Mineral resources of wilderness study areas...Canyon (UT-060-100B) Wilderness Study Areas, Grand County, Utah. CONTENTS Abstract Al Summary Al Character...sections of the coal-bearing part of the Neslen Formation, Coal Canyon Wilderness Study Area A10 4. Summary |  | | Journal (article/letter/editorial) | | Although Colorado may be most noted for rhodochrosite or amazonite, the many varieties and associations...a k e w o o d , Colorado 80225 DIANNE L. K I L E 333 S a l e m Street Aurora, Colorado 80011 C O L O...and J. A. Mur phy for an update to Minerals of Colorado: A 100-Year Record (Eckel, 1961). 374 ROCKS... Quartz was a familiar gemstone to many early Colorado residents, as documented by an extensive body...body of literature. The first published list of Colorado mineral localities (in cluding quartz) was included |  | | Journal (article/letter/editorial) | | GLAUCONITIC MICA IN THE MORRISON FORMATION IN COLORADO 1 By W. D.KELLER U. S. Geologica~ Survey and...part of the Brushy Basin shale member of the Morrison formation of Late Jurassic age on Blue and Lone Tree...Tree Mesas near Uravan, Montrose County, Colorado. This glauconitic mica, similar to other material ordinarily...called glauconite, is interesting because the Morrison formation is generally regarded as nonmarine in origin...several layers, scanty analcime. The Burro Canyon formation of Early Cretaceous age overlies the glauconitic |  | | Journal (article/letter/editorial) | | The magnetic susceptibility o{ the rutile and anatase forms of titanium dioxide. P hys. Rez:.(in press)... Inc., in Section 23, T.13N., R.gW., NlcKinley County, New lfexico, about 20 miles north of Grants. OccunnBwcB...Brushy Basin member of the Jurassicl{orrison formation. The Brushy Basin member is generallysubdividedinto...of the Brushy Basin member of the Jurassic Morrison formation near Grants, New Mexico. been used in many...uranium deposits in the upper Jurassic formation of the Colorado plateau; U. S. Geotr.SurzteyProf . Paper |  | | Report (issue) | | Series 30 Bibliography and Index of Colorado Geology, 1984-1989 Colorado Geological Survey Department of...Resources Denver, Colorado 1990 Information Series 30 Bibliography and Index of Colorado Geology, 1984-1989...Institute under contract to the Colorado Geological Survey Colorado Geological Survey Department of...of Natural Resources Denver, Colorado 1990 ii FOREWORD In recognition of the need to more effectively...published literature on the state's geology, the Colorado Geological Survey is pleased to release Information |
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