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| Clay Minerals in Triassic Rocks of the Colorado Plateau GEOLOGICAL SURVEY BULLETIN Prepared on behalf... Clay Minerals in Triassic Rocks of the Colorado Plateau By LEONARD G. SCHULTZ CONTRIBUTIONS TO THE...Triassic rocks._____________________ Illite-montmorillonite group.___________________________________ Illite_________...Sample localities and Triassic outcrops on the Colorado Plateau. X-ray diffractometer traces of Triassic clays...ROCKS OF THE COLORADO PLATEAU By LEONARD G. SCHULTZ ABSTRACT Kaolinite, illite, montmorillonite, chlorite |
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| Minerals in the Morrison Formation of the Colorado Plateau By W. D. KELLER GEOLOGICAL SURVEY BULLETIN...minerals in the Morrison formation of the Colorado Plateau. Washington, U.S. Govt. Print. Off., 1962...mineral resources-Colorado Plateau. eralogy-Colorado Plateau. 3. Clay-Colorado Plateau. (Series) 2. Min-...___________________________________________ Montmorillonite group_____________________________________...MINERALS IN THE MORRISON FORMATION OF THE COLORADO PLATEAU By w. D. KELLER ABSTRACT The clay minerals |
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| MINERALS IN THE MORRISON FORMATION ON THE COLORADO PLATEAU by W. D. KELLER U.S. Geological Survey,...has been a major source of uranium on the Colorado Plateau and undoubtedly will continue to be such for...studied as part of the uranium investigations of the Plateau by the U.S. Geological Survey. The lower part of...sandstone member and, in the southeast part of the Colorado Plateau, of intertongued correlatives of the Salt...maximum thickness of the upper unit on t.]w Colorado Plateau is about 450 ft, but increases to 600 ft near |
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| ALTERATION AND URANIUM EMPLACEMENT ON THE COLORADO PLATEAU by PAUL F. KERR AND MARIAN B. JACOBS ...in association with uranium deposits on the Colorado Plateau and along border areas. Alteration and mineralization... INTRODUCTION HOST rock alteration on the Colorado Plateau and along border areas indicates that the...effects in sedimentary strata associated with plateau uranium deposits also involve significant mineral...relation to intrusives. In sedimentary strata of the Plateau, solution activity is more remote from igneous |
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| Petrology of the Morrison Formation in the Colorado Plateau Region GEOLOGICAL SURVEY PROFESSIONAL PAPER... Petrology of the Morrison Formation in the Colorado Plateau Region By ROBERT A. CADIGAN GEOLOGICAL SURVEY...Sample localities in the Morrison Formation, Colorado Plateau region._____________----_----_------ In pocket...pocket FIGURE 1. Map showing location of Colorado Plateaus and adjoining physiographic provinces -------------------3...relationships of the Morrison Formation in the Colorado Plateau region.--------_-_-______________________ |
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| Geological Survey, 3215 Marine St., Boulder, Colorado 80303, USA, * D(partment de G~ologie, Ecole Normale...Geological Sciences, University of Colorado, Boulder, CO 80309-0250, USA (Received 24 March 1992; revised...lake in the Morrison Formation (eastern Colorado Plateau, USA); these beds were never buried deeply, and..., 1975). The Kinney clay is a nearly pure montmorillonite, and the Wyoming clay has a significant component...Sciences, Dartmouth College, Hanover, NH, 03755 USA). The default entries in this program were used in |
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| probably to illite or a chloritic mineral. Montmorillonite occurred widely spread in those sediments and...and "In general very little montmorillonite seems to be lost during marine diagenesis" (Grim, Dietz,...differential flocculation of kaolinite, illite, and montmorillonite by action of cations in ocean water to account... illite, and montmorillonite in the inner neritic environment, and that montmorillonite was dominant...easily flocculated, followed by illite and montmorillonite, was shown by Beavers and Marshall (1951) who |
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| Triassic and Associated Formations in Part of the Colorado Plateau Region GEOLOGICAL SURVEY BULLETIN This...Triassic and Associated Formations in Part of the Colorado Plateau Region By JOHN H. STEWART, GEORGE A. WILLIAMS...pocket Page FIGURE 70. Index map of part of the Colorado Plateau showing areas of stratigraphic studies___...-_-_-___ 497 72. Index map of part of the Colorado Plateau showing outcrops of the Chinle formation of...Lower Jurassic units in the central part of the Colorado Plateau_____________________________________ |
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| WAHLSTROM Dept. Geology, University of Colorado, Boulder, Colorado Geochemistry and Petrology of the Morrison...Morrison Formation, Dillon, Colorado Abstract: The Morrison Formation in a measured drill-core section...section from Dillon, Colorado, is 226 feet thick and is largely a clastic accumulation of windand water-transported...Shaft section of Morrison Formation at Dillon, Colorado 729 3. Ca+Mg:Al+Fe+H +f) +Fe++|+:K+Na ratios....drill investigation of a dam site near Dillon, Colorado, by the Board of Water Commissioners of the City |
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| Moenkopi Formation and Related Strata in the Colorado Plateau Region GEOLOGICAL SURVEY PROFESSIONAL Prepared...Moenkopi Formation and Related Strata in the Colorado Plateau Region By ROBERT A. CADIGAN With a section...related strata, Colorado Plateau region __ In pocket 1. Map showing location of the Colorado Plateaus and...Moenkopi Formation and related strata in the Colorado Plateau region-----------------------------------...their occurrence in designated areas of the Colorado Plateau region______ 8. Summary of higher-than-.avera;ge |
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| Emplacement, Arizona and Utah Abstract: On the Colorado Plateau, at the base of the Chinle Formation, siltstone...silicification . . Alteration accompanying chert Colorado River gorge east of Moab, Utah . . Origin of Chinle...the 2Mi over 1M mica polymorph. (3) Along the Colorado River gorge, 11 miles east of Moab, Utah, basal...bedding planes. Chinle alteration features on the Plateau are attributed to hydrothermal solutions, and the...Significant altered strata from three lowermost Chinle Plateau localities are described, and the conditions of |
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| . . . . . . . . . Colorimetric tests for montmorillonite . . . . Chinle formation . . . . . . . . ....Microscopic features of the ores . . . . . . . . . . Montmorillonite -vanadium clay transition . . . . . . . . ...3. 4. 5. 6. 7. 8. g, 10. 11. 12. Index map, Colorado Plateaus .......................................Vanadium clay pellet derived from a gall of montmorillonite. Section cut from a "trash pile" lens at the...BEARING ON THE ORIGIN AND PRECIPITATION OF URANIUM Colorado Plateaus contain large amounts of vo].canic debris; |
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| deposits in the metallogenic province of the Colorado Plateau, with a few possible exceptions, are commonly...vertical uranium-bearing structures penetrating Plateau strata are the deposits of Kane Springs Canyon...Uranium-bearing fissure penetrating Colorado Structure 1505 Plateau strata 1509 Features associated with...Formation (Permian) that is unusual for the Colorado Plateau. Structure The Kane Creek salt-dome anticline...exhibiting a minor amount of mixed layered, illite/montmorillonite, forms discrete flakes within the borders of |
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| Geochemistry and Mineralogy of the Colorado Plateau Uranium Ores Compiled by ROBERT M. GARRELS and ESPER...an unequaled opportunity to investigate the Colorado Plateau uranium ores. This volume summarizes the results...better founded than heretofore, concerning the Plateau ores. Among the most important are: (1) the carnotite...helpful in future exploration for uranium on the Plateau, particularly in exploration at greater depth and...uranium deposits than those represented on the Colorado Plateau. The general patterns of the oxidation of |
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| Spring NE, House Rock Spring SE, Paria Plateau NW, and Paria Plateau SW. These quadrangles cover House Rock...of the Paria Plateau, part of the East Kaibab monocline, and part of the Kaibab Plateau. The bedrock...other units are typical of the rocks on the Colorado Plateau. Surficial Quaternary deposits are landslide...faults, and joints-are typical of those on the Colorado Plateau. The most prominent feature is the East Kaibab...Spring NE, House Rock Spring SE, Paria Plateau NW, and Paria Plateau SW. Fieldwork was begun in the summer |
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| siltstones are altered from predominantly montmorillonite-kaolinite mixtures to chlorite, illite (hydromica)...(hydromica), mixed-layer montmorillonite-illite-chlorite, kaolinite mixtures. X-ray spectrochemical analyses...I^aguna, New Mexico 4. Volume percentages of montmorillonite (M), illite (I), and chlorite (C) within the...structures has been shown elsewhere on the Colorado Plateau (Barrington and Kerr, 1963; Bryner, 1961;...NEAR BRECCIA PIPES, LAGUNA, NEW MEXICO M, Montmorillonite; K, Kaolinite; I, Illite Untreated d I Siltstone |
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| minerals, includingchlorite, montmorillonite,mixed layer mica-montmorillonite, and kaolinite. TRANSPORTATION...achievedlocally during the time of ore depositionon the Colorado Plateauand hascertainlybeenachievedin subsequent...WITH REFERENCE TO THE ORES OF THE COLORADO PLATEAU The portionsof Figures 12, 13 and 14 which...--Consideringthe distanceof migration of ore solutionson the Plateau, and the absenceof intensivewallrockalterationthere...commonlyassumedaqueous environmentof ore depositionon the Plateau. The effects of other ionic TRANSPORTATION (SlIOA) |
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| G. SCHULTZ U.S. Geological Survey, Denver, Colorado ABSTRACT x-ray diffraction traces were made of...samples of illite, montmorillonite, mixed-layered combinations of illite and montmorillonite, and of kaolinite...from the 10 A peaks of illite and collapsed montmorillonite and collapsed mixed-layer clay. In this paper...the loA peak of an equal amount of illite, montmorillonite, or mixed-layer clay, whereas well-crystallized...10 A peak of an equal weight of the illite-montmorillonite minerals. Kaolinite samples having intermediate |
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| reMontana. @ecora,Kerr).. -. , 1169 138 gion, Colorado Cameron, E. N., with Rowe, R. B. Billietite and...between ionic substitution and swelling in montmorillonite, (Foster). . .. 99+ Clintonite as a contact-metasonratic...of.(Christ). .332,333 Collins,C.B...... .. Colorado Plateau, mineralogic 362 s t u d i e s o n( .W e e...Thermal dehydration and x-ray studies on 336,770 montmorillonite.. . Dellwig, L. F. Hopper crystals of Earley...MichiMrlng, I, H. Purification and properties of montmorillonite 730 san.. . .335,707 334 Denning, R. M. Directional |
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| Tertiary volcanic tuff covers portions of the Tushar Plateau in southcentral Utah. Rhyolite of similar age fills...alteration features. Variations in kaolinite, montmorillonite, and mixed-layer clay suites reflect differences...volcanic rocks, forms a transition between the Colorado Plateau and the Basin and Range provinces. Since the...alunite. Where erosion has exposed the underlying Plateau sediments, related faults cut replacement deposits...Marysvale, Utah, where more than 2000 feet of Colorado Plateau sediments is exposed. Although associated |
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| collected from more than 35 localities on the Colorado Plateau and from several localities in Fail River...collected from more than 35 Iocalities on the Colorado Plateau and also from several localities in Fall River...Johnson counties, Wyo. The specimens from the Colorado Plateau occur in the Shinarump conglomerate (Triassic)...same as that occupied by interlayer water in montmorillonite. Tyuyamunite heated at 500o C. for 72 hours...tyuyamunite. The analogouswater spacesfor montmorillonite are 2.76 A and 4.54 A T. W. STERN, ET AL |
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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...Adams and others, 1978). Granger found that montmorillonite, derived probably from alteration of detrital |
 | He, Wang, Yang, Zhijun, Du, Hengheng, Hu, Jintao, Zhang, Ke, Hou, Weisheng, Li, Hongwei (2022) Micro-Mechanisms and Implications of Continental Red Beds. Minerals, 12 (8) 934 doi:10.3390/min12080934 | Journal (article/letter/editorial) |
| distributed microscopically and quartz diffusely on montmorillonite and ilcarbonate cement; films formed after...distributed microscopically and diffusely on montmorillonite and illite/smectite ure 2a,b). Mostamong of...b). Most tals in theispores of crystal the montmorillonite a variety of shapesform (Figure 2d) of theform...leaf-shaped, and well-developed pores of the are montmorillonite and exhibit a variety of shapes (Figure 2d)...Most Jurassic and Cretaceous red beds in the Colorado Plateau of the United States 2 lowed by CO2. Most |
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| uranium deposits in the sedimentary rocks of the colorado Plateaus province, in several localities peripheral...depositsin the copper King mine, Larimer county, colorado. It is also associatedwith asphaltic pellets from...sediments in Texas and Oklaholna. In many Colorado Plateau mines cofiinite and uraninite are the main...luster resembling that of a high-rank coal. On the Plateau, coffinite occurs as replacements of organic material...material from the Arrowhead mine in Mesa County, Colorado, has ao:6'94 A, co:6.31A, oo:ro:1:0.909. Coffinite |
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| silicified wood contain up to 15% authigenic montmorillonite which formed from volcanic ash, and shows evidence...was derived from the conversion of smectite (montmorillonite) to kaolinite (Buurman et al., 1973). Within...Forest member contain mixed-layer illite--montmorillonite, abunclant altered tuff grains, high-Na sanidine...1956) at the U.S. Geological Survey in Denver, Colorado. The identification and relative abundances of...mineral. The clay mineral separates consist of montmorillonite (80--90%) and interlayered illite (10-20%) |
Sanders-Defiance Plateau area, Apache County, Arizona, USA