 | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Famous mineral localities: The Cripple Creek Mining District, Colorado . . . . . . . . . . . . . . . . ...[Ba(UO2)2V2O8⭈5H2O] from the type locality, the Mounana mine, Franceville, Haute Ogooué, Gabon. See the article...“This is the XYZ mine, and these are pretty pictures of the minerals from that mine.” Lou, however, took...chemistry, crystal system, identifying features, and mine of origin—all without notes. From his huge library |  | | Journal (article/letter/editorial) | | ........................................ 248 Phonolite family. 2. Tinguaite ........................................................ ....... 257 3. Phonolite .......................................................................... 259 4. Trnchytoid phonolite ................................................related to the eruptives of the northern hills, the district will not be included in this paper. For a description...uplift. 11. TOPOGRAPHY. The topography of the district is intimately connected with the,general gcological |  | | Report (issue) | | AND IN ALL EARLIER LITERATURE ON THE RUBY BASIN DISTRICT. COLOR KEY FOR ALL MAPS IN THIS REPORT Rock....... 45 Mining Districts ....................... 49 4.1 Bald Mountain Mining District ............Bald Mountain District ....... 49 4.13. Geology of the Bald Mountain Mining District ... 51 ......Further Prospecting ........ 96 Carbonate Mining District ................ 97 4.21 Introduction 97...the Carbonate Mining District ..... 97 4.23 Geology of the Carbonate Mining District ..... 97 |  | Kelley, Karen D., Romberger, Samuel B., Beaty, David W., Pontius, Jeffrey A., Snee, Lawrence W., Stein, Holly J., Thompson, Tommy B. (1998) Geochemical and geochronological constraints on the genesis of Au-Te deposits at Cripple Creek, Colorado. Economic Geology, 93 (7) 981-1012 doi:10.2113/gsecongeo.93.7.981 | Journal (article/letter/editorial) | | Department of Geological Sciences, University of Nevada, Reno,Nevada89557 Abstract The CrippleCreekdi...5_+0.1(la) to 31.5_+0.1Ma.A younger episode of phonolite emplacement outside of thecomplex is indicated...hydrothermal activity thatbeganduringthewaningstages of phonolite andearlymafic-ultramafic activityandcontinued...dosed,althoughlimitedunderground miningin the Ajax mine occurred between 1976 and 1986. Geochemical L^TEMesozoic...of nearly60 t (2.1 Moz) have been added to the district resourceas a resultof thisexploration.Mostof |  | | Report (issue) | | GEO LOGY AND GOLD DEPOSITS OF THE CRIPPLE CREEK DISTRICT, COLORADO BY \V ALDEl\;IAR LINDGREN A:'\D FREDERIC... . . . . . . . First geological survey of the district .............................. _• . . . . . ..................... Geological structure of the district ............... _................... __ .. _..... _____________ . ________ . _. __________ . Phonolite . ______ .... __ ____________ . ______ . ____..... __ . ___ . _.. _____ . _________ _ Latite-phonolite. _. _. __ . .. . __ ·__ . _. ______ . ______ |  | | Report (issue) | | gamma-ray survey in the Cripple Creek district, Teller County, Colorado by James A. Pitkin and Carl L...2A ff \?' Plate I. Sketch Dpp of Cripple Creek district showing area of aerial survey, flight line locations...potassium distribution in part of the Cripple Creek district, Colorado. Plate III. Contour map of equivalent...uranium distribution in part of the Cripple Creek district, Colorado. Plate IV. Contour map of equivalent...thorium distribution in part of the Cripple Creek district, Colorado. Plate V. Contour map of gross count |  | | Book | | Resources Division Nepheline —-Syenite and Phonolite HMSO 15s Od Digitized by the Internet Archive...MINERAL RESOURCES DIVISION NephelineSyenite and Phonolite J. B. ALLEN, = fips B.Sc., Ph.D., and CHARSLEY...Research Council Contents Nepheline-Syenite and Phonolite Introduction Chemistry, Mineralogy and Classification...Nepheline-Bearing Rocks Origin of Nepheline-Bearing Rocks Mining and Treatment Production and Trade Consumption...of Nepheline-Syenite and Phonolite Occurrences Nepheline-Syenite and Phonolite in Commonwealth Countries |  | | Report (volume) | | THE GOLD DEPOSITS OF THE CRIPPLE CREEK DISTRICT TELLER COUNTY, COLORADO BY A. H. KOSCHMANN Prepared...GEOLOGICAL SURVEY BOARD and the COLORADO METAL MINING FUND Contributions to economic geology, 1947 (Pages...Page PLATE 3. Geologic map of Cripple Creek mining district and area to the south .......................THE GOLD DEPOSITS OF THE CRIPPLE CREEK DISTRICT, TELLER COUNTY, COLORADO BY A. H. KOSCHMANN ABSTRACT...Most of the gold deposits of the Cripple Creek district occur within or at the margin of a mass of fragmental |  | | Report (volume) | | PROGRESS GEOLOGICAL RESURVEY OF THE CRIPPLE CREEK DISTRICT, COLORADO BY WALDEMAR LINDGREN AND FREDERICK..... ...:......................_...._....... 8 Mining and metallurgy ....................................^...... 11 First geological survey of the district ................................... Modifications............................. 32 Future of the district.................................................preliminary report on a "Resurvey of the Cripple Creek district of Colorado," by Messrs. Waldemar Lindgren and |  | | Journal (article/letter/editorial) | | Monzonite porphyry, quartz monzonite porphyry and phonolite dykes and sills Latite porphyry intrusions Absarokite-shoshonite...solubilities in alkali-rich, silica-poor magmas (e.g. phonolite; Signorelli and Carroll 2000), the paucity of...silver contents, as exemplified by Comstock Lode, Nevada, United States. Most epithermal vein deposits associated...from a drawing of the Captain vein in the Portland mine by Lindgren and Ransome 1906). Individual seams...pyroxenite-syenite-carbonatite complex (Palabora Mining Company 1976; Table 2; Fig. 6). Blebs and veinlets |  | | Journal (article/letter/editorial) | | Mineralized Veins and Brecciasof the Cripple Creek District, Colorado TOMMY B. THOMPSON, ALAN D. TBIPPEL,...suggested by intermediate composition latite-phonolite andsyenite.Subsidence of the diatremecomplex rocksisindicatedby...The vein depositsas exemplifiedby thoseof the Ajax mine cut Precambriancrystalline rocksandTertiary rocksof...highersalinitiesfoundin the upper 300 m of the Ajax mine levels;the fluidswereboilingandcontained CO•. Stage2...pears to have headed on the Cripple Creek volcanic district,almost21 milliontroy ounceshavebeenreerosiona |  | | Journal (article/letter/editorial) | | granite, camptonite, etcetera. The trachyte (acid phonolite) of Hawaii cuts, and is over flowed by, olivine...associated phonolite and basalt may be briefly discussed in preference. Average phonolite (calculated...potash. I f alkalies sufficient for one volume of phonolite were concentrated from twenty volumes of basalt...limestones cetera. beneath Jurassic series. Leucite phonolite. Downloaded from gsabulletin.gsapubs.org on...d’Alene dis Monzonites. trict, Idaho. Goldfield, Nevada. Monzonite porphyry Basalt, andesite, Cambrian |  | | Report (issue) | | e showmg 'ynclinal structure north of Homemine ____ .. _... _____ .. __ ... __ Schu;ts showmg sudden...Htlhl ......••..•.•.. ____ ........•.... :! Green phonolite cutting rhyohte .... ---- __ ...... __ .........AuGUSTUS .TAGGAR, .Tr. INTRODUCTIOX. The mining district of the Black Hills. compri,ed within the Spearfish...branches and loops are now so numerou~ in the mining district as to form a conspicuouf' artificial feature...points. One of these i-; between Englewood and Nevada Gulch where there is a rise in the Algonk_ianCambrian |  | | Journal (article/letter/editorial) | | 2001. NORDSTRANDITE IN BAUXITE DERIVED FROM PHONOLITE, LAGES, SANTA CATARINA, BRAZIL NORBERTO DANI1...Boehmite, Gibbsite, Nordstrandite, Parana Basin, Phonolite, Weathering. INTRODUCTION Since the pioneering...city of Lages inside its domain, the Alkaline District of Lages is a domed structure that occupies an... 217 Nordstrandite in bauxite derived from phonolite Vol. 49, No.3, 2001 Table I. Reported geological...carbonatites have been identified in the Lages Alkaline District. Phonolites, more undersaturated in silica and |  | | Report (issue) | | Silver, and Mercury in Part of the Cripple Creek District, Colorado By Garland B. Gott, J. Howard McCarthy...in volcanic rocks of the entire Cripple Creek district, and in rocks of the area of the gold anomaly...Silver, and Mercury in part of thq Cripple Creek district, Colorado By Garland B. Gott, J. Howard McCarthy...exploration studies were undertaken in the Cripple Creek district to test the possibility that large low-grade gold...found. Surface rock samples taken throughout the district indicate that the volcanic rocks between the productive |  | | Report (volume) | | Mineral resources locatable commodities 50 History of mining and exploration 50 Metals 51 Industrial minerals...114 Miscellaneous commodities 115 Utilization of mine tailings 115 Aluminum 115 Bentonite 115 Mineral...is endowed with a wealth of mineral resources. Mining and exploration in the Forest have played a central...and ongoing interests. The world-famous Homestake mine, historically the largest producer of gold in the...world-famous gold deposit that is now the Homestake mine. Shortly after the discovery of the Homestake deposit |  | | Journal (article/letter/editorial) | | effect of [NaOH] on obliquity, 455 Alice Louise mine, Plaine des Pirogues, New Caledonia, chrome-picotite...Orthoamphibole Analcime and calcite, primary, in phonolite, Kenya, I 16 Analysis of minerals, historical...analogue, 78 Ankerite, Scotland, 119 Anna Madeleine mine, Plaine des Lacs, New Caledonia, olivine, chrome-picotite...fluorite containing Mn impurities, 705 Bambollita mine, Moctezuma, Sonora, Mexico, cesbronite, 744; quetzalcoatlite...effect on crystallization of, 64I Bauzot uranium mine, Issy l'l~v6que, Sa6ne-etLoire, France, fluorite |  | | Report (volume) | | --_-_-4. Trenches and surface workings, Serrote mine-___-_ Page C2 7 12 12 TABLES TABLE 1. Composition...plateau, but generally are too small and iriegular to mine. Recommendations are included for trenching and...Mineral, is gratefully acknowledged. Resk Frayha, district engineer for the DNPM at POC.OS de Caldas, kindly...underlying rocks of the plateau are dominantly phonolite,2 nepheline syenite,3 and minor amounts of volcanic...area. The nepheline syenite appears to intrude phonolite in most places where the two rock types are in |  | | Journal (article/letter/editorial) | | RUBY GULCH GOLD MINING ROCKY MOUNTAINS, DISTRICT, LITTLE MONTANA. j. L. DYSON. ABSTRACT. In the Little...mountainuplift, {n the southwesternpart of Phi]lips County, Montana measuresabout ten miles{n its greatestdimension...Bull. 736-F: •78, x923 ß RUBY GULCH GOLD MINING DISTRICT. :203 Cretaceous, and all of theserocksshowthe...Mountains. RUBY MINING GULCH DISTRICT Fro. 2. Geologic map of Ruby Gulch Mining District. RUBY GULCH...GULCH GOLD MINING DISTRICT. ALABAMA VERTICAL MINE SECTION S-W• ß + + + + OI•'•:N CUT • ......... |  | | Report (issue) | | 14 1. 2. 3. 4. 5. Asbestos ore Lead ore, Balmat mine, N. Y. Chromite-chromium ore, Washington Zinc ore...Rare-Earth Veins in the Laughlin Peak Area, Colfax County, New Mexico By MORTIMER H. STAATZ GEOLOGY AND ...rare-earth veins in the Laughlin Peak area, Colfax County, New Mexico (Geology and resources of thorium in...Mexico—Colfax County. 2. Thorium ores—New Mexico—Colfax County. 3. Earths, Rare—New Mexico—Colfax County. I. Title.......... Trachyandesite ..................... Phonolite ........................ Intrusive breccia .. |  | | Report (issue) | | 14 1. 2. 3. 4. 5. Asbestos ore Lead ore. Balmat Mine, N. Y. Chromite-chromium ore. Wash. Zinc ore, Friedensville...Aluminous Igneous Rocks Nepheline Syenite and Phonolite............................................................. 3. Maj or nepheline syenite and phonolite deposits in the conterminous United States......Scotland——————————————————— Major nepheline syenite and phonolite deposits in the United States —————————————————————————...Chemical composition ranges of saprolite from Spokane County, Washington———————————————————————————— Characteristics |  | | Book | | particularly since the commencement of the very lucrative mining of the Palabora carbonatite for copper, and a host...by-products, and it is the exploration efforts of mining companies that have led to the discovery of many...Verlag, Berlin. 252 pp. DEANS, T. 1966. Economic mine ralogy of African carbonatites. 111 O . F. Tuttle...types are nephe linite, basani te, basalt and phonolite. Oli vine nephelin ites a re t h e most abundant...emplacement of the multiphase ring complex was phonolite and ig neous breccia, quartz syenite, sphene-nepheline |  | | Report (issue) | | volcanoes were present near Murfreesboro, in Pike County. They found here not ,only the rocks that ~nce..., nud Brnckett, R. N., The I1eridotite of Pike County, Ark.:Am. Sel., 311 sel'., vol. 38, pp. 50-59,...Ross, C. S., Diamond bCllring peridotite in Pike County, Ark.: U. S. Geol. Survey Bull. 735, pp. 291-292...northeastern Texas. In Arkansas and in McCurtain County, Okla., it forms the lower part Miser, H. D., and...Arkansas. The exposures in Arkansas and in McCurtain County, Okla., occur in a strip of high land lying only |  | | Report (issue) | | determined on four - 100 mesh samples-three of phonolite breccia and one of gold- and monazitebearing sand...locality Sample Fractured phonolite breccia, Cripple Creek district, Teller County, Colo. ______ do _____________________...Gold and monazite placer sand, Moffat County, Colo. TABLE mine-ether as described here. The fire-assay...1966, Gold geochemical anomaly in the Cortez district, Nevada: U.S. Geol. Survey Circ. 534, 9 p. Gott, G...tellurium, and mercury in the Ely mining district, White Pine County, Nevada: U.S. Geol. Survey Circ. 535 |  | | Journal (article/letter/editorial) | | Southern Methodist University, Dallas, TX 75275, USA 3 Geochemisches Institut, Universitfit G/Sttingen...highly-fractionated phonolite at the top and a mafic, phenocryst-rich phonolite at its base. Open-system...leucite-nephelinite-leucite phonolite suite to the northwest and a later, basanite-tephrite-hauyne phonolite suite to the...mantle-generated basanite was parental to the Laacher See phonolite. Our samples span the entire range of compositions...Na20/KzO - Na20 relations for the zoned Laacher See phonolite sequences (data from W6rner and Schmincke 1984a) |
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