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| University of Colorado, Boulder, Colorado Geochemistry and Petrology of the Morrison Formation, Dillon, Colorado...Colorado Abstract: The Morrison Formation in a measured drill-core section from Dillon, Colorado, is...fragments, mainly quartz. The bottom 60 feet of the formation is a fine-grained siliceous marl containing abundant...dust is abundant in the upper 117 feet of the formation. Chemical analyses and petrographic characteristics...that a large fraction of the materials in the formation came ultimately from a rhyolitic volcanic source |
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| 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...___________________________________________ Montmorillonite group_____________________________________...Quantitative estimation of clay minerals in the Morrison formation__ Distribution of the clay minerals_ |
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| r~~~J Geology of the Golden Quadrangle, Colorado GEOLOGICAL SURVEY PROFESSIONAL ~i''(': u (,, PAPER..." 872 ' GEOLOGY OF THE GOLDEN QUADRANGLE, COLORADO FRONTISPIECE.-Physiographic setting of the Golden...quadrangle. Geology of the Golden Quadrangle, Colorado By RICHARD VAN HORN GEOLOGICAL SURVEY PROFESSIONAL...PAPER 872 Geology of part of the Denver urban area, Colorado, with emphasis on deposits of Pleistocene age...Richard, 1920Geology of the Golden quadrangle, Colorado. (Geological Survey Professional Paper 872) Bibliography: |
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| 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...stones about 480 feet thick, which contain montmorillonite (with very sparse relicts of shards), illite |
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| ......................... 7 3. Ratio of montmorillonite to clay-mineral content plotted against clay-size...5. UoOg content plotted against ratio of montmorillonite to clay-mineral content......................deposit....... 11 3. Average proportions of montmorillonite and illite to clay-mineral population........Sandstone, is controlled primarily by lithology: Montmorillonite is the dominant clay mineral in sandstone...studied in samples from the Jurassic Morrison Formation in the area of the Grants mineral belt, New Mexico |
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| Stratigraphy of the Morrison Formation and Structure of the Ambrosia Lake District, New Mexico GEOLOGICAL... BULLETIN 1272-E Stratigraphy of the Morrison Formation and Structure of the Ambrosia Lake District...______-_--_-________---__-_-____-_________--Morrison Formation.______________________________________________...___-_________E2 2. Cross sections of the Morrison Formation through the Ambrosia Lake district and adjacent...the orientation of joints and faults in the Morrison Formation.__________________________________ 26 in |
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| ALONG THE FRONT RANGE FROM DENVER TO BOULDER, COLORADO Clay Minerals Society 39th Annual Meeting and...Geological Survey Open-File Report 02-413 Denver, Colorado 2002 U.S. DEPARTMENT OF THE INTERIOR GALE A........................ 11 The clay industry in Colorado ..................................... 13 Rubey................. 67 Nederland; mining in Boulder County .............................. 67 Boulder Canyon...Table Mountain area ..................... 15 4. Diagram showing stratigraphy in the Golden area ......... |
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| 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 |
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| of the Front Range Urban Corridor and Vicinity, Colorado By WALLACE R. HANSEN and ELEANOR J. CROSBY With...SURFICIAL DEPOSITS and ROCK UNITS in the GREATER DENVER AREA By RALPH R. SHROBA GEOLOGICAL SURVEY PROFESSIONAL...of the Front Range Urban Corridor and vicinity, Colorado. (Geological Survey Professional Paper 1230) Bibliography:...Geology Front Range, Colo. and Wyo. 2. Geology Colorado Denver region. 3. Environmental protection Front...Environmental protection Colorado Denver region. 5. Sediments (Geology) Colorado-Denver region-Testing. |
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| 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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| . . . Colorimetric tests for montmorillonite . . . . Chinle formation . . . . . . . . . . . . . . ..... . . . Brushy Basin shale member of the Morrison formation. . . . . . . . . . . . Shinarump conglomerate......... Salt Wash sandstone member of the Morrison formation . . . . . . . . . . . . . . . X-ray investigations...Microscopic features of the ores . . . . . . . . . . Montmorillonite -vanadium clay transition . . . . . . . . ...3. 4. 5. 6. 7. 8. g, 10. 11. 12. Index map, Colorado Plateaus .................................... |
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| _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Todilto Formation _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _...Summerville Formation _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Morrison Formation _ _ _...San Ysidro-Cuba and Majors Ranch areas, Sandoval County, northwestern New Mexico ____________ In pocket...sandstone and vertical sections of part of the Morrison Formation, San Ysidro-Cuba and Majors Ranch areas ...southeastern margin of the San Juan Basin in Sandoval County, N.Mex., is about 1,150 feet (350 metres). The |
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| Engineering Geologic Map of the Morrison Quadrangle, Jefferson County, Colorado By Howard E. Simpson and Stephen...Engineering Geologic Map of the Morrison Quadrangle, Jefferson County, Colorado By Howard E. Simpson and Stephen...Council of Governments (DRCOG), (then the Inter-County Regional Planning Council) and formerly supported... Locate on the map the site, parcel of land, or area in which you are interested; note the multiple-letter...geologic map this engineering geologic map shows the area or areas underlain by each engineering geologic |
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| COPY Bedrock Geology of the Kassler Quadrangle Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER 421-B Bedrock...Kassler Quadrangle Colorado By GLENN R. SCOTT GEOLOGY OF THE KASSLER QUA.DRANGLE, JEFFERSON AND DOUGLAS COUNTIES...COUNTIES, COLORADO GEOLOGICAL SURVEY PROFESSIONAL PAPER 421-B A survey of the east flank of the Colorado...Colorado Front Range with emphasis on Cretaceous rocks and on structural geology 0 UNITED STATES GOVERNMENT...rocks__________ Rals~on Creek formation_____________________ Morrison formation__________________________ Lytle and |
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| GEOLOGY OF THE DENNISON-BUNN URANIUM CLAIM, SANDOVAL COUNTY, NEW MEXICO ' By Jennle L. RIdgIey Open-File...Stratigraphy and depositional environments Morrison Formation , 5 5 Recapture Member 6 Westwater Canyon...Collins and Goodner leases and outcrop area of the Morrison Formation along the east side of the San Juan...Canyon , and Brushy Basin Members of the Morrison Formation at the Dennison-Bunn claim.................bed in the Westwater Canyon Member of the Morrison Formation showing the relation of uraniferous zones |
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| CLAY MINERALS IN THE MORRISON FORMATION ON THE COLORADO PLATEAU by W. D. KELLER U.S. Geological Survey...of the Morrison formation of Jurassic age has been a major source of uranium on the Colorado Plateau...for many years. The clay minerals of the Morrison formation are being studied as part of the uranium...Geological Survey. The lower part of the Morrison formation consists of the Salt Wash sandstone member...member and, in the southeast part of the Colorado Plateau, of intertongued correlatives of the Salt Wash |
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| From Area of Grand County, ’ .” Grand Junction,Colorado 61slaa Limb casts, probably of conifer...and most prolifically in the Yellow Cat area of Grand County, Utah, are among the world’s most beautiful...finest we\t to areas around Location The Yellow Cat area, x Ii1chL.s l j l l ot state 70 at Ranc flatlands...Campsite aab the general area. Today I Figure 2. Location map of the Yellow Cat area. Arches National Park...company) and the U.S. Vanadium Corporation in Rifle, Colorado, purchased vanadium during this period (Chenoweth |
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| Dakota Group in Northern Front Range Foothills, Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER 274-B Dakota... Dakota Group in Northern Front Range Foothills, Colorado By KARL M. WAAGE A SHORTER CONTRIBUTION TO GENERAL...Stratigraphy. _______ ________________________ Lytle formation _________________________ _____ Definition, _...Contact of Lytle and Morrison formations Eldridge type locality of the Morrison. __ Alameda Parkway type...type section. _______ Post-Morrison warping _______________ Summary. ___________________________„ Contact |
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| estimates for uranium-vanadium deposits on the Colorado Plateau, by A. L. Bush and H. K. Stager__ __ ___...content of the Goodrich quartzite, Palmer area, Marquette County, Michigan, by R. C. Vickers. --(G) Wall-rock...pitchblende deposits in Golden Gate Canyon, Jefferson County, Colorado, by John W. Adams and Frederick Stugard...uranium deposits in the Red Desert, SweBtwater County, Wyoming, by Donald G. Wyant, William N. Sharp...Sheridan_________. (J) Stratigraphy of the Morrison formation in part of northwestern New Mexico, by V |
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| minerals, 227 Allophane glycerol retention, 326 surface area, 334 Alteration, postdepositional, 160 Altered siliceous...source of refractory clay, 39 Analcime, 39 Morrison formation, 121 Analysis o f consistencies o f kaolinwater...C. E. WEAVER) : Temperature stabilities of montmorillonite- and vermiculite-glycol complexes, 348 BRINDLEY...86, 96 kaolinite, 86, 95 marine clays, 88 montmorillonite, 86, 100, 102 Recent sediments, 262 sepiolite...Recent sediments f r o m the Mississippi S o u n d area~ by I. H. Milne and W. L. Shott, 253 Clay minerals |
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| northern Laguna district are exposed in upper Morrison strata. Pipes in the southern Laguna district...suggests a common origin. The red Summerville Formation within the breccia cores of the southern Laguna...siltstones are altered from predominantly montmorillonite-kaolinite mixtures to chlorite, illite (hydromica)...(hydromica), mixed-layer montmorillonite-illite-chlorite, kaolinite mixtures. X-ray spectrochemical analyses...Selected sandstone pipes of the southern Laguna area, New Mexico 2. Sketch of down-faulted features and |
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| Vanadium-Uranium Deposits of the Rifle Creek Area, Garfield County, Colorado By RICHARD P. FISCHER With a section...1910Vanadium-uranium deposits of the Rifle Creek area, Garfield County, Colorado, by Richard P. Fischer. With a section...ores-Colorado-Garfield Co. I. Botinelly, Theodore, 1916II. Title: Rifle Creek area, Garfield County, Colorado...sandstone ______________ ;._--'----------------___ Morrison formation____________________________________...CONTENTS Ore deposits-Continued Deposits in the Morrison formation______________________________ Relations |
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| --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_______________________________...outcrop of the Coconino Sandstone in the Grand Canyon area, Arizona ___ --------- ______ --------- ________...and shapes of sandstone pipes in the Grand Canyon area, Arizona ___________ -------------· ·--------- ________ |
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| from sandstone-type deposits such as those on the Colorado Plateau. In other parts of the world most uranium...Witwatersrand of South Africa and the Blind River area of Ontario, Canada, and from vein-type deposits...on the Colorado Plateau where the bulk of uranium ore has been produced from the Chinle formation (Shinarump1...sandstone members) of Triassic age and the Morrison formation of Jurassic age. These ores were mined first...(1921). 1 The Shinarump member of the Chinle formation now includes the strata fcxrmerly known as the |
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| ABSTRACT Chromium-bearing rnemhers of the montmorillonite group have been reported heretofore only for...which occurs in high-angle fissures in the Morrison formation (Upper Jurassie ) near Thompsons, Utah, contains...do the sources of vanadium and uranium in the Morrison sandstone. INTRODUCTION For about three decades...discoloration on certain exposed surfaces of the Morrison formation and was aware that sampies containing this... whieh suggested that it was a day of the montmorillonite type. A powder diffraetion pattern confirmed |
