 | Schindler, Michael, Fayek, Mostafa, Courchesne, Britanney, Kyser, Kurt, Hawthorne, Frank C. (2017) Uranium-bearing opals: Products of U-mobilization, diffusion, and transformation processes. American Mineralogist, 102 (6) 1154-1164 doi:10.2138/am-2017-5700 | Journal (article/letter/editorial) | | opal, agate, chalcedony, and amorphous silica (Dugger et 1154 SCHINDLER ET AL.: URANIUM-BEARING OPAL...silanol groups than many other divalent cations (Dugger et al. 1964; Tran et al. 1999). Maximum adsorption...speciation of U in U-bearing opals from the Opal Butte Mine in Oregon, U.S.A. (U concentrations in the lower...uraniferous opals and is predominantly composed of K-feldspar, montmorrilonite, fluorite, opal-CT, and the...association with microcrystalline quartz, moganite, and K-feldspar (Fig. 1c). Its average U concentration is 0.1 |  | | Journal (article/letter/editorial) | | the ratio that yields the narrowestequilibrium log K (200"C, 2 reversals;in turn thesereversalsagreewell...chloride solution techniquewas also used to determinelog K vs. Z for the muscovite-quartz-sanidinereaction at...chloride solution. The reaction studied is: 3/2K-feldspar + Hio € l/2muscovite * 3quartz * Klo 1002 (l)...Helgeson, 1977); and (4) the quench molalities of H* and K* may be easily measured with specific-ion electrodes...Garrels and Howard (1959), K-mica * H*: H-mica * K* K-feldspar * H* : H-feldspar + K* (3) (4) occur in rapid-quench |  | | Report (issue) | | Geological Survey editorial standards (or with the North American Stratigraphic Code). Any use of trade,...Callis, and J.A. Rupp, Coal Resources of Daviess County, Indiana: AGIS-Based Resource Assessment H. Cetin...Mining of Coal in Illinois L.Weber, Indiana Coal Mine Information Project Petroleum Studies J.M. Guthrie...Thermal History Modeling in the Illinois Basin Janet K. Pitman, Christoph Spotl, and Martin B. Goldhaber...of Part of the La Salle Anticlinorium, Lawrence County, Dlinois. 8:30am J.A. Drahovzal, Basin-Floor |  | | Report (issue) | | 812/855-7428) Edwin J. Hartke, Geologist and Head N. K. Bleuer, Glacial Geologist Steve Brown, Glacial Geologist...data from the previously mined deposit at Gardner Mine Ridge near Huron, Indiana, to develop a model for...layered deposit. Thick deposits like the Gardner Mine Ridge deposit are hypothesized to have formed where...information from the well-known deposit at Gardner Mine Ridge (GMR) near Huron, Indiana, to formulate a...extending northward 80 miles from Crawford County to northern Monroe County (fig. 1). This area is underlain by |  | | Report (volume) | | In addition to these, a useful time scale for North American mammalian stages is given by: (B) Evernden...dates and the Cenozoic mammalian chronology of North America: Amer. Jour. Sci., v. 262, p. 145-l98. £/From...Correlation chart for the Carboniferous of north-west Europe, Russin, and North America: Geol. Soc. London, 196411... and Kopf, Rudolph W., 1957, Geologic names of North America introduced in 1936-1955: U.S. Geol. Survey...Highway 49 (Skyway Road) near town of Abel, Cleburne County. Absaroka Supergroup/Volcanic Supergroup U ABRK03 |  | | Journal (article/letter/editorial) | | Copyright 0 1995 Elsevier Science Ltd Printed in the USA. All rights reserved 0016-7037/95 $9.50 + .OO 0016-7037(...revised form Januury 28, 1995) Abstract-Albite feldspar was hydrolyzed over a wide-range of pH conditions...contributing factor to the overall pH dependence of feldspar dissolution rates. The formation of leached layers...systematic study of the stoichiometry of albite feldspar dissolution at hydrothermal conditions was conducted...date, most of the theories on the mechanisms of feldspar dissolution have been based on work carried out |  | | Report (issue) | | Zumberge, 1979a, b; Holdgate and Tinker, 1979; Dugger, 1978; Splettstoesser, 1977; Group of Experts,... (From Nehring, 1978.) I thank P. D. Rowley and K. A. Kvenvolden for helpful discussions. A. B. Ford...elevation of magnetic basement stone crops out at the north end of the Antarctic as shown in figure 6. For comparison...figure 9 (Fosmargin bordering the Weddell Sea to the north sum and others, 1982). The profile across the may...penetrated the heavy pack ice of the Weddell Sea north of the Ronne Ice Shelf where the magnetic data referred |  | | Report (volume) | | Bibliography of North American Geology, 1967 GEOLOGICAL SURVEY BULLETIN 1267 UNITED STATES GOVERNMENT...Index . . . . VII 619 III BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY 1967 INTRODUCTION The current annual...annual volume of the "Bibliography of North American Geology" lists publications that appeared during...during 1967 concerning the geology of the North American continent, Greenland, the West Indies and adjacent...in foreign journals are cited if they deal with North American localities or are of a general nature, |  | | Report (volume) | | Bibliography of North American Geology, 1950-1959 PART 2. INDEX VOLUME 3 : A-L GEOLOGICAL SURVEY BULLETIN...BULLETIN 1195 Bibliography of North American Geology, 1950-1959 By RUTH REECE KING, ELISABETH S.... role in orogenesis: Restless forces: Arbenz, J. K., 1. Economic geology, types, methods: Bucher, W...., 6. T. B., 2. Magmatic vs. metamorphic source North America, western, paleoof ores: Hawley, J. E., 11...evolutionary extinction L. R., 6. factors: Coleman, R. H. North Dakota, petroleum: Laird, Management look at the |  | | Book (edition) | | structures .694 ListJ Metamorphic rocks.696 List K Sedimentary structures .697 List L Minerals .699 ListM...four seg¬ ments or subfiles: (N) Bibliography of North American Geology (publications from 1785-1970) (G)...Bibliography and Index of Geology Exclusive of North America (published from 1933-1968) (B) Bibliography...that in the early volumes of the Bibliography of North American Geology, edited by John M. Nickles and...the total of 4,284 new Terms were United States county and city Terms. Counties and Cities in the United |  | | Journal (article/letter/editorial) | | dependence of the dissolution rates of simple oxides, feldspar and olivine (Furrer and Stumm, 1986; Zinder et...(Rickard and SjSberg, 1983): pU Fig. 4. T h i c k n e s s o f t h e N a + - l e a c h e d l a y e r...noted by Helgeson et al. (1984) in the case of feldspar, In Table II we have reported the slopes of the...exp(F~/RT) (9) Ka2 = Ka2(intr)exp(F~/RT) (10) K~I ~--Kal (intr) where Ka(int~) is the intrinsic equilibrium...respective equilibrium constants: K,(si) exp(Y) K2(si) exp(Y) K,(~) exp (Y) K2(m) exp (Y) K1 (Fe) exp |  | | Report (volume) | | G. Neuzil, Supardi, C. B. Cecil, J. S. Kane, and K. Soedjono 4. General Geology and Peat Resources of...of the paleosol in the intertidal zone along the north coast of Bengkalis Island, the modern coastal plain...SUMATRA Sample Identification Number Quartz Feldspar lllitesmectite Kaolinite Siak area SK5-C1 SK5-C2...was only observed in inter¬ tidal flats along the north coast of Bengkalis Island and the inter¬ tidal zone...zone at site 9. Along the central part of the north coast of Bengkalis Island, in the vicinity of the |  | | Report (volume) | | Bibliography of North American Geology, 1950-1959 By RUTH REECE KING, ELISABETH S. LOUD, MILDRED CHALLMAN...GEORGIANNA D. CONANT INTRODUCTION This bibliography of North American geology lists publications that appeared...(including Alaska and Hawaii), the rest of the North American continent including Greenland, the West...in foreign journals are cited if they deal with North American localities or are of a general nature,...not if they deal with foreign areas. Articles on North America by foreign' authors are included regardless |  | | Report (issue) | | Bicker, Jr. J. Michigan, by Gar land D. Ells K. Indiana, by Henry H. Gray L. Illinois, by Elwood...Michigan, by Garland D. Ells ----------------------------K. Indiana, by Henry H. Gray ------------------------------L...Murray and James W. Skehan, S.J. Woonsocket and North Scituate Basins of Massachusetts and Rhode Island...-2. Geologic map of the Narragansett, Norfolk, North Scituate, and Woonsocket Basins, Massachusetts and...megafossils. Deposits of the Boston, Woonsocket, and North Scituate Basins and the Harvard Conglomerate at |  | | Report (volume) | | Complex in the Appalachian Blue Ridge near Otto, North Carolina. Field of view = 60 |im wide. Courtesy of M...weathered (001) cleavage surface of an alkali feldspar from gravels formed from the granite at Shap,...162 162 162 163 164 165 167 168 168 Chapter 5 K. L. Nagy DISSOLUTION AND PRECIPITATION KINETICS OF... L. Stillings FELDSPAR DISSOLUTION KINETICS Introduction Feldspar Mineralogy Feldspar Surface Chemistry...sorption and H + /cation exchange reactions on the feldspar surface Surface titrations Exchange and/or sorption |  | | Journal (article/letter/editorial) | | gneissesand granulites composedlargely of quartz, feldspar, pyroxene, and garnet. These rocks can be grouped...plagioclase (OrrAb*.An,o-microprobe analysis) with K-feldspar lamellae and quartz. The remainder of the rock...Mudstone Tvpe SampI e 2064D 2048A 459A K-AOIs K-AH2 0xide 50.6 si02 61-.7 4 75.62 8 7, 7...CaO 0.19 0 .1 8 0.09 0.07 0.13 0. 1 3 0.11 K^0 0 .0 4 0.05 0.05 0.01 0.04 0. 0 2 0.01 0...001 0.010 0.000 K2o ro. 44 10.45 1 0 .3 3 K 0.001 0.006 0.00r 0.006 0.002 Na2O 0.12 0 |  | | Report (volume) | | .........544 REACTION NETWORK CALCULATIONS OF FELDSPAR HYDROLYSIS ..................545 Linking to the...simple expression of this relationship is given by k dG = VdP − SdT + ∑ µi dN i (1) i =1 where V refers...equilibrium constants (K) for reactions calculated from Gibbs free energies using o K = e −∆Gr / RT (2)...gas constant (1.9872 cal mol−1 K−1), T again stands for temperature in K, and ∆Gro denotes the standard...accord with Sio, Pr ,Tr = ∑ ν j ,i S jo, Pr ,Tr + k Vi ,oPr Tr + ∑ ν j ,iV jo, Pr ,Tr j j (7) |  | | Book | | Laboratory 125 South Oval Mall Columbus, Ohio 43210 USA faure.1@osu.edu Teresa M. Mensing The Ohio State...Research Center 1465 Mt. Vernon Ave. Marion, Ohio 43302 USA mensing.1@osu.edu ISBN 978-1-4020-8406-5 e-ISBN...administrators of the National Science Foundation of the USA for the financial and logistical support that enabled............................................. 3.4.1 K-Ar Dates...................................................................................... 3.6.2 K-Ar Method........................................ |  | | Book (edition) | | EDITION DK LONDON Editor Kate Taylor US Editor Kayla Dugger Managing Editor Angeles Gavira Managing Art Editor...quarries Granite Fluorite can be found on old mine spoil heaps Crystalline fluorite Introduction...veins hornfels shale 25 dip marble limestone mine o sandstone quarry CROSS-SECTION A shale limestone...that of basalt, with calcic-plagioclase rounded feldspar and pyroxene being the essential cavities minerals...below classification of the rockquartz, mica, and feldspar and metamorphic minerals such as cordierite and |  | | Book | | Editor HUMAN ADAPTABILITY TO ANTARCTIC CONDITIONS E. K. Eric Gunderson, Editor PoLYCHAETA ERRANTIA OF ANTARCTICA...Antarctic Geology, edited by R. J. Adie, pp. 393-394, North-Holland, Amsterdam, 1964), the author mentioned...diamond + + V vonodium T platinum X gold X u K potash p phosphate XII De Fig. 2. Selected mineral...pegmatites yield tin and related elements as well as feldspar, mica, and other I 6 MINERAL RESOURCES POTENTIAL...thinking, Econ. Geol., 65, 11-16, 1970. Deffeyes, K. S., and I. D. MacGregor, World uranium resources |  | | Journal (issue) | | n annorth,\est Oregon . . . . . . . . . . . . . . . . . ....PRATSO!'li Dul..c Uni,cr-,it). Durh,1111. :-.:orth Carolina R. PA'.\IEL.\ REID l ni,er,1t) of Miami. i\l1am1... CHARLOTTE S CltREIBER Green :\,loun1a111. North Carolina FREDERIC L. S C H\\'AB \Va.,hington amJ Lee...,.., t1f ,m) 1•10tN1 1hcn:ul ,u,i,;h J.., ah-.u·;k;t-,. m1u 1,..i1111ptHcr n:aJ..ahlc ,1fkVdf tr.m,nttt1...ALLEN PRESS INC LAWRENCE KANSAS PMleusA SEPM (Society for Sedimentary Geology) OFFICERS |  | | Book | | Distributors for the United Stutes and Canada: ELSEVIER NORTH-HOLLAND INC. 52,Vanderbilt Avenue New York, N.Y...Hemisphere (Sweden, Finland, the Soviet Union, North America) has also been known for a considerable...particularly in the Soviet Union, Scandinavia and North America, interest in deep-sea nodules seemed t o...number of nations, particularly in the equatorial North Pacific but also in the South Pacific and Indian...development of a nodules mining site in the equatorial North Pacific (Deepsea Ventures, Inc., 1974). Because |
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