 | | Book | | Alaska; Grand Calumet Is., QUE; the Kyshtymsk district, Ural Mts., Russia; and at Bastnaes and at the...deposits also occur at several sites in the Mavuzi district, Mozambique, where davidite crystals exceeding...Nederland, CO; the Black Hawk silver district, NM; the Coeur d'Alene district, ID; Great Bear Lake area, NWT...NWT, Canada; Cornwall, England; the Erzgebirge district; and the Shinkolobwe mine, Congo. Examples of pitchblende-pyrite...include: the Central City district, Gilpin Co., CO; Theano Point, Montreal River district, ONT, Canada; the Goldfields |  | | Journal (article/letter/editorial) | | according to their origin (fissure fillings and feldspar pseudomorphs); their location relative to the...not directly linked to the origin (fissural or feldspar pseudomorph) or the crystal chemistry (structural...kaolinite Figure 1. Schematic representation of the quarry (level 0 of Figure 2) and location of samples along...assemblage o f U 6+ minerals (a- and #-uranophane, weeksite, boltwoodite; Figure 2) and yellow to green opal...1988) was carried out on levels 0 and 1 o f the quarry (Figure 1). The altered rhyolitic tuff was carefully |  | | Journal (article/letter/editorial) | | material, and pyrite. Deposits in the Lakeview U district, Oregon are hosted by weakly peraluminous rhyolite...southeastern Oregon ŽFig. 1; Table 1.. Only the Lakeview district, Oregon had significant production, about 224...meta-zeune urn s uraninite, urps uranophane, week s weeksite, zrn s zircon. Sulfides: apy sarsenopyrite, ccps...Geology ReÕiews 16 (2000) 1–40 Sample LakeÕiew district White King Mine C95-70 13 12.9 C95-72 2850 2.3...similar. Secondary zeolite, smectite, and potash feldspar are commonly associated with U ŽGlanzman and Rytuba |  | | Journal (article/letter/editorial) | | such as uranophane, Ca[(UO2)(SiO3OH)]2(H2O)5, and weeksite, (K,Na)2[(UO2)2(Si5O13)](H2O)3, occur in the vadose...contains small particles of uraninite, UO2, and weeksite. Close to a fault between brecciated volcanic...uranyl-silicates, predominantly uranophane and weeksite. All silica glazes are strongly zoned with respect...such as uranophane-b, Ca[(UO2)(SiO3OH)]2(H2O)5, weeksite, 190 M. Schindler et al. / Geochimica et Cosmochimica...occur along fractures. Here, K-rich minerals (weeksite, boldwoodite, and carnotite) occur in the center |  | | Catalog/List | | Few of the minute crystals you see on mine or quarry dumps or even on cabinet specimens will be satisfactory...at the pristine source underground ar an fresh quarry faces and the like. Very aften though, such source...Sandefjord, Nornay. Pale green to 1.'hite hairs on feldspar. 784 ADAMITE, Moha\'.1k Mine, San Bernardino County...crystals on analcime. 508 AESCHYNITE, Hohe Tauern, Austria. Brownish-black prism, about 0.5 ITTn lang, in...128 129 Mtd. lhntd. ANDERSONITE, Ambrosia Lake District, McKinley County, NewMexico. Minute bright green |  | | Journal (article/letter/editorial) | | reported from the famous ancient Lavrion mining district in Greece. The empirical formula of agardite-(Nd)...deposited at the Universalmuseum Joanneum, Graz, Austria (mineralogical collection, catalogue number 84...pegmatite and the country rock, in association with K-feldspar, plagioclase, quartz, beryl, muscovite, garnet...perloffite, beusite, triplite, plus quartz, K-feldspar, muscovite, schorl, beryl, spessartine, gahnite...eosphorite, dickinsonite, fillowite, plus quartz, K-feldspar, muscovite, schorl, beryl, gahnite, and (Nb,Ta |  | Valter, Anton A., Knight, Kim B., Eremenko, Gelij K., Magilin, Dmitry V., Ponomarov, Artem A., Pisansky, Anatoly I., Romanenko, Alexander V., Ponomarev, Alexander G. (2018) Spatial investigation of some uranium minerals using nuclear microprobe. Physics and Chemistry of Minerals, 45 (6) 533-547 doi:10.1007/s00269-017-0940-z | Journal (article/letter/editorial) | | growths of uranophane with β-uranophane, and weeksite—from different uranium deposits were studied by...uranium ores (Dawood 2001). Finally, samples of weeksite from the Khanneshin, Afghanistan, were selected...uraninite and boltwoodite from the Severinovskoje, weeksite from the Khanneshin, and uranophane from the Um-Ara)...spherules on the cleavage plans of former potassium feldspar crystals replaced by the albite. The Ca-rich uraninite...(about a few percent), montmorillonite, and potash feldspar (~ 1%). The chemical composition of uranium silicate |  | | Journal (article/letter/editorial) | | 446 Albite, 303, 751 Albite-diopside, 52 Alkali feldspar, 126 Alm+Mt+Ky+Qtz+02,558 Almandine,512. 558 Alunite...1206 epidote,617 epidotegroup, 631 fayalite, 1067 feldspar, 126,1223 ferrierite, 314 fenisurite, 1107 garnet...potassiumcordierite,407 pyrope,512 soddyire,431 spinel, 44 weeksite,431 Cubanite.937 Cuprian phlogopite, 1099 Cylindrite...987. lm4 Fe-Ti-Ca-Mg-SiO, 1004 Fayalite, 1057 Feldspar, 126, 329, 592, 1223 Ferrierite, 314 Ferrilotharmeyerite...olivine, 987 pyroxene, 987 Geochemistry alkali feldspar, 126 Alm + Mt + Ky + Qtz + Oz, 558 calcite, 904 |  | | Book | | 978-0-7643-4675-0 Colll:'ctor} G11ide to the Feldspar Group, 978-0-7643-4329-2 Published by Schiffer...Czech Republic) and elsewhere in the Erzgebirge district. Those n1ines had been \VOrked for silver and...projects are developed, particularly in the Elkon district. Production in Central Asia increased significantly...r~fiecled light ofa sample ji-0111 the Beaverlodge district, Saskatchewan, shows the cracked radial structure...be fo r111ed depending on factors such as the pl-land the other anions that are present in the water. |  | | Journal (article/letter/editorial) | | description of famous mineral localities in Germany, Austria, Switzerland, other European countries, and other...lists of A) Collections and museums (in Germany, Austria and Switzerland) open to the public B) Departments...geological surveys in Germany D) Bureaus of mines and quarry operator associations E) Useful literature and...the past twelve years, was incorporated in the District of Columbia, the United States of America, and...schoderite, strauskiite, talmessite, vaterite, weeksite, zincsilite. New names d.isapprooed.(23): behierite* |  | | Journal (article/letter/editorial) | | uraniferous minerals mined in the Pena Blanca district, north of Chihuahua city, Mexico, are commonly...commonly oxidized minerals (uranophane, weeksite, haweeite, margaritasite, metatyuyamunite, soddyite) (Calas...the Nopal I deposit. Geologic setting The mining district is located in the eastern border of the central...crystalline matrix, characterized by cristobalite and feldspar shards with axiolitic texture. In the Nopal Formation...(quartz and K feldspar) are locally observed (Aniel, 1983).In the altered ring, feldspar phenocrysts are |  | Wang, Zheming, Zachara, John M., Gassman, Paul L., Liu, Chongxuan, Qafoku, Odeta, Yantasee, Wassana, Catalano, Jeff G. (2005) Fluorescence spectroscopy of U(VI)-silicates and U(VI)-contaminated Hanford sediment. Geochimica et Cosmochimica Acta, 69 (6) 1391-1403 doi:10.1016/j.gca.2004.08.028 | Journal (article/letter/editorial) | | sklodowskite, cuprosklodowskite, haiweeite, and weeksite, a synthetic boltwoodite, and four U(VI)-contaminated...Ca(UO2)2[Si5O12(OH)2](H2O)3b Synthetic Boltwoodite Weeksite K(UO2)(SiO3OH) (H2O)1 5 K2(UO2)2(Si2O5)3 (H2O)4c...Smithsonian Institution (SI) (Table 1). The natural weeksite was provided by professor Peter Burns at The University...vibronic characteristics of uranyl. The soddyite and weeksite showed broad spectra spanning the wavelength region...Analysis of the BX-102 Sediment Samples Liebigite Weeksite Haiweeite Relative Intensity Cuprosklodowskite |  | | Journal (article/letter/editorial) | | and, probably the most famous locality, Katanga district (Shaba Province), Zaire. Most of the uraninite-bearing...lithium-rich phase. Minerals present, besides quartz and feldspar, are lepidolite, columbite-tantalite, spodumene...bright yellow uranyl compounds including carnotite, weeksite, and tyuyamunite. Meta-autunite, metatorbernite...They are a bright yellow and are associated with weeksite, tyuyamunite, and volborthite. Probably the Anderson...the United States are those from the Spruce Pine district of North Carolina, the finest coming from Chalk |  | | Journal (article/letter/editorial) | | found exclusively in the intermittent ¯ow tests. Weeksite and a U-Ti phase were found exclusively in the...and Fe, which may originate from nearby clay and weeksite particles. (c) Low energy EELS shows the distribution...respectively. The phase was identi®ed as weeksite. Weeksite, a uranyl silicate, ideally Na,K(UO2)2(Si2O5)34H2O...particularly closely with weeksite, but do compare favorably with weeksite NP, the structure of which...partly amorphous. Soluble U is known to precipitate weeksite E.C. Buck, J.K. Bates / Applied Geochemistry |  | | Journal (article/letter/editorial) | | minerals of meta-gabbroic rocks in the Sibukawa District, Central Japan. Allopalladium.. . Altschuler,...associatedminerals of meta-gabbroic rocks in the Sibukawa District, Cen668 tral Japan (Seki, Aiba, Kato) Jambor,...Outerbridge, W. F., Staatz, M. If., and Pommer, A. M. Weeksite, a new uranium silicate from the Thomas Range...Staatz, M. H., Meyrowitz, R., and Pommer, A. M. Weeksite, a neu/ uranium silicate from the 1135 886 250...with Outerbridge' W. F., Staatz, M. If., and 'Weeksite' a R. Meyrowitz, silicate from new uranium the |  | | Report (issue) | | and F. E. Wright, (Original analysis) Mineral¬ Feldspar ogy of Three Sulphate Deposits of Northern from...Bannister and M. H. Hey, 1944. Banasite, a New Barium-Feldspar from Wales. Mineralogical Magazine, 27:33-45....(4)24:141-151. Buddingtonite, an Ammonium Feldspar with Zeolitic Water. American Min¬ eralogist,... NMNH Laacher Lake area, near Mayen, Eifel District, Germany G. Hentschel, 1964. Mayenit, 12Ca0-7Al203...Verde Mine, Je¬ rome, Arizona Lausen, under District. paw Mountains, (U.S. Geological Survey, from |  | Liu, Chongxuan, Zachara, John M., Qafoku, Odeta, McKinley, James P., Heald, Steve M., Wang, Zheming (2004) Dissolution of uranyl microprecipitates in subsurface sediments at Hanford Site, USA. Geochimica et Cosmochimica Acta, 68 (22) 4519-4537 doi:10.1016/j.gca.2004.04.017 | Journal (article/letter/editorial) | | formation. The sediments consist of 48% quartz, feldspar, and mica, 2% fines including expansible phyllosilicates...Uranophane SI: Na-boltwoodite SI: Soddyite SI: Weeksite SI: Na-Weeksite SI: SiO2(am) I55 ⫻ 10⫺3 ⫻ 10⫺3 ⫻ 10⫺1...Na-Boltwoodite Boltwoodite Uranophane Soddyite Na-Weeksite Weeksite ⫺2844.8(M)1 ⫺2814.4(C)2 ⫺6192.3(M)3 ⫺3653...of granitic lithic fragments, e.g., plagioclase feldspar (a minor component of the overall lithic fragment...uranyl silicates, but likely Na-boltwoodite, Na-weeksite, or soddyite. The distinct fluorescence emission |  | | Report (volume) | | WILDERNESS Bureau of Land Management Wilderness Study Areas The Federal Land Policy and Management Act...SUMMARY Abstract At the request of the U.S. Bureau of land Management, approximately 8,855 acres of the Muggins...placer gold and silver from the Muggins mining district, which includes part of the study area. One small...wilderness study area for which the U.S. Bureau of Land Management (BLM) requested a mineral survey. The...which include the Muggins mining district. The total recorded district production of placer gold and silver |  | | Journal (article/letter/editorial) | | tionconsists of mainlyU+6minerals(uranophane, weeksite,etc.) producedduringlater stagesunder oxidizedconditions...mining activity wasstopped.The Las Margaritas district. Numerousoccurrenceshave been system- depositwasbeingpreparedfor...Stratigraphyof the SierraPe•a Blanca in the mining district basementconsistsmainly of Cretaceouslimestones...Pintigoreet al., 1983) slightly folded in the mining district. Domitila (Fig. 2) is A smalloutcropof metamo...agreementwith what we can observein the mining district (see Magonthier, 1984, for detailed arguments) |  | | Journal (article/letter/editorial) | | in this article does not give permis- Lincoln district: The Creole mine, located at the south end of...has miarolitic cavities containing orthoclase feldspar and smoky quartz. Most collecting occurs on the...and other types of twinning are common to the feldspar in some pockets. A few specimens of spessartine...east side of the range. Pine Grove district: This old mining district is the site of a deeply buried porphyry...labeled “Mineral Mountains.” Preuss (Newhouse) district: The Cactus mine and nearby workings have pink |  | | Report (edition) | | “old” Lime Bluff quarry, Muncy; right fibrous : tremolite, C. K. Williams quarry, Easton: bottom: calcite...oriented coatings of goethite, “old” Lime Bluff quarry, Muncy, (courtesy of Delbert L. Oswald) ADDITIONAL...edition of Mineral Collecting Cedar Hill in quarry where Dave had done IV much of his work PREFACE...owners of the land, from the quarry or mine operators before entering to collect. (Land ownership listed...compilation. Finally, we acknowledge the many quarry and property owners who have aided the authors |  | | Report (volume) | | generally as a byproduct or coproduct in the mining of feldspar, mica, or lithium minerals. The amount of beryl...the Detroit mining district 11 miles to the southeast, the Dugway mining district 15 miles to the north...north, or the Fish Springs mining district 13 miles to the northwest, are known in the vicinity of Spor...~:lin ing Co. The first published report on this district is by Fitch, Quigley, and Barker (1949). Uranium...Chief property in The Dell was described and named weeksite (Outerbridge and others, 1960) . The beryllium |  | | Journal (article/letter/editorial) | | list) Satpaevite Schuetteite Vaterite (6th list) Weeksite Wyartite Yavapaiite Yoderite 1 Except where otherwise...devillite or herrengrundite Digenite, not neodigenite Feldspar or feldspath, not felspar, &c. Grossular, not |  | | Report (issue) | | 1977). The manganese deposits of the Detroit district in the Drum Mountains have been studied by Crittenden...alteration of tuff to clay, fluorspar, and potassium feldspar widespread. Maximum thickness about 60 m. Angular...brown biotite, about 9 percent anhedral potassium feldspar, 5 percent magnetite, and accessory apatite. Although...Mineral composition , in percent 0.3(0-1) Potassium-feldspar 5(3-7) 24(15-35) 17(9-29) Hypersthene and augtte...intrusion and mineralization in the Detroit mining district of the Drum Mountains may be part of the Mt. Laird |  | | Journal (article/letter/editorial) | | 12 Headframe of the Little Mary mine, Steppe district. ROCKS AND MINERALS Below: Dumps of the Arizona-Indiana...underlain by rocks that contain common minerals (feldspar, quartz, mica, calcite, pyroxene, and amphibole)...Mine Bisbee (Warren District) Bruce Mine C & B Vanadium Mine Castle Dome District Christmas Mine Copper...Defiance Mine (Turquoise District) Dos Cabezas Mountains Flux Mine (Harshaw District) Gallagher Vanadium Prospect...Prospect (Tombstone District) Globe-Miami District Glove Mine Grand Reef Mine Grand View Mine Great Southern |
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