 | | 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) | | 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...THE SLICK ROCK DISTRICT, SAN MIGUEL AND DOLORES COUNTIES, COLORADO GEOLOGICAL SURVEY PROFESSIONAL PAPER...contributes to the understanding of the origin and formation (genesis) of the deposits. U.S. Department of |  | | Journal (article/letter/editorial) | | SAN MIGUEL COUNTIES, DANIEL OF THE AND DOLORES COLORADO • R. SHAWE, NORBERT GEORGE DEPOSITS L....the Morrison formation of Late Jurassic age. The sedimentaryrocks are gently folded in the Dolores and...the Disappointmentsyncline, and are cut by the Dolores fault zone in the north part of the district and...hematite, magnetite, and ilmenite in rocks of the Morrison formationnot affectedby epigeneticalterationc...Such alteration'is spatially associatedwith the Dolores fault zone. Most of the known ore depositsare |  | | Report (issue) | | the Slick Rock District, San Miguel and Dolores Counties, Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER...the Slick Rock District, San Miguel and Dolores Counties, Colorado By DANIEL R. SHAWE GEOLOGIC INVESTIGATIONS...THE SLICK ROCK DISTRICT SAN MIGUEL AND DOLORES COUNTIES, COLORADO GEOLOGICAL SURVEY PROFESSIONAL PAPER..._________________________________________ Pre-Morrison rocks________________________________________...________________________________ Cutler Formation __________________________________________________ |  | | Report (issue) | | tabular uranium deposit, La Sal mine, San Juan County, Utah By Robert A. Brooks and John A. Campbell...location maps of the La Sal mine area, San Juan County, Utah -- 3 2.--Generalized structural map of...content of samples - 22 10.--Late-stage pyrite formation 23 11.--Carbon content of samples 24 12.--Chromium...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. Uranium-vanadium |  | | Report (volume) | | Geology of the Placerville Quadrangle San Miguel County Colorado GEOLOGICAL SURVEY BULLETIN This report concerns...Geology of the Placerville Quadrangle San Miguel County Colorado By A. L. BUSH, C. S. BROMFIELD, and C. T. PIERSON...series-----_--__---___-______-____________-__ Dolores formation_____________________________________...member_________________ Marl member.__________________________ Morrison formation________________________________ Salt...sandstone member of the Morrison formation._______ Facing 7. Relationship of the Morrison and Burro Canyon formations |  | | 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...series.__--_-_-___-----___-____.---_______-.. Dolores formation.____________________________________ Jurassic...member.____________________________________ Morrison formation.___________________________________ Salt...___________________________________ Burro Canyon formation._______________________________ Upper Cretaceous |  | | Report (issue) | | Bldg., 2600 corridor, 18th and CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169, 1961 Stout St. LOS ANGELES...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...Al Introduction Al Geologic setting of the Morrison Formation in the San Juan basin A3 Methods of sample...A4 Diagenetically altered primary ore A9 Ore formation evidence from Mariano Lake-Lake Valley cores A13...Influence of the Brushy Basin Member of the Morrison Formation A17 Alteration of primary ore A19 Early Cretaceous( |  | | 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...part of the Catahoula(Fant Tuff Member, Gueydan Formation, of Bailey, 1926) in the Rio Grande Embayment...lamellaein the characteristic trellis pattern. Anatase(A) occursadjacentto and beyond the originalgrainmargin...Marcasi•:e (M) occursas overgrowths on the pyriteand anatase. C. Replacement of detritaltitanohematite grain |  | | 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 |  | | 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) | | . 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) | | Skull Creek Wilderness Study Areas, Moffat County, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 1717-D 4...Study Areas, Moffat County, Colorado By RICHARD E. VAN LOENEN, HELEN W. FOLGER, DOLORES M. KULIK, and W....RESOURCES OF WILDERNESS STUDY AREAS NORTH-CENTRAL COLORADO DEPARTMENT OF THE INTERIOR MANUEL LUJAN, JR...resources of wilderness study areas north-central Colorado (U.S. Geological Survey Bulletin ;1717) (Studies...Hack Lake Wilderness Study Area, Garfield County, Colorado / by Sandra J. Soulliere and Mark A. Arnold |  | | Report (issue) | | thoroughly studied in samples from the Jurassic Morrison Formation in the area of the Grants mineral belt, New...mineral in the sandstones and mudstones of the Morrison on the southern margin of the San Juan Basin....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 (volume) | | Distribution of Elements in Sedimentary Rocks of the Colorado Plateau A Preliminary Report GEOLOGICAL SURVEY... Distribution of Elements in Sedimentary Rocks of the Colorado Plateau A Preliminary Report By WILLIAM L. NEWMAN..._______ Moenkopi formation _______________________________________ Chinle formation...______________...____________________________________________ Kayenta formation._______________________________________ Navajo...Bluff sandstone__________________________________ Morrison formation______________________________________ |  | | 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 (volume) | | the '-1. Clay Minerals in the Morrison Formation of the Colorado Plateau By W. D. KELLER GEOLOGICAL...Walter David, 1900Clay minerals in the Morrison formation of the Colorado Plateau. Washington, U.S. Govt. Print...and mineral resources-Colorado Plateau. eralogy-Colorado Plateau. 3. Clay-Colorado Plateau. (Series) 2...Quantitative estimation of clay minerals in the Morrison formation__ Distribution of the clay minerals_..._ __ _ _ _ __ __ __ _ _ _ __ _ _ _ _ __ _ _ _ Dolores group section_ _ _ _ _ _ _ _ _ _ _ __ __ _ __ _ |  | | Report (issue) | | and Flume Canyon Wilderness Study Areas, Grand County, Utah U.S. GEOLOGICAL SURVEY BULLETIN 1753-A ...Study Areas, Grand County, Utah By ROBERT P. DICKERSON, JERRY D. GACCETTA, and DOLORES M. KULIK U.S. Geological...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 (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, |  | | 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 |  | | 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...Dakotasandstone as well as many depositsin the Morrison formation. This definition of the district is somewhat...AmbrosiaLake (30). Similar depositsin the Mor- rison formation are also found in the Church Rock and Smith Lake...depositswithin the district, as well as a few Morrison deposits,are distributedalong the southernmostand |  | | 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 (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...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,...in the Upper Jurassic Morrison Formation, San Juan Basin, New Mexico and Colorado : geologic, chemical |  | | 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 _________________________________ |
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