 | | Report (volume) | | 512 POTASH-BEARING ROCKS OF THE LEUCITE HILLS SWEETWATER COUNTY WYOMING BY ALFRED R. SCHULTZ AND WHITMAN...character of leucite-bearing rocks...................................... 5 G 8 The rocks of the Leucite Hills............. Composition of the minerals of the leucite-bearing rocks..................... Potash and soda.................................... Quantity of leucite-bearing rock.......................................... Cross Mesa. .................... ^.................................... Osborn Mesa............ |  | | Journal (article/letter/editorial) | | com/locate/epsl 40 Ar/39Ar chronology of the Leucite Hills, Wyoming: eruption rates, erosion rates, and an...48109-1063, USA Department of Geology and Geophysics, University of California, Berkeley, CA 94720, USA Received...1999 Abstract The lamproite lavas of the Leucite Hills, Wyoming comprise an isolated volcanic field of...years. Recent seismic studies indicate that the Leucite Hills volcanic field overlies an abrupt transition...Rise spreading ridge). The trigger for the Leucite Hills magmatism may be related, therefore, to the |  | | Journal (article/letter/editorial) | | 305-336, PIS. 37-46 SEPTEMBER 1, 1903 LEUCITE H IL L S OP WYOMING BYJ. F.KEM PANDW . C.KNIGHT* ( Read.......................... 309 The twenty-two Leucite hills ..................................................................................... 311 Zirkel mesa.................................................................................... 314 Emmons mesa....................................................................................... 316 Osborn mesa................................................ |  | | Journal (article/letter/editorial) | | Petrogenesisof the ultrapotassicrocks from the Leucite Hills, Wyoming S. M. KunuNER,' A. D. Eocan.nNo M. ARrue...Abstract The ultrapotassicrocks of the Leucite Hills, Wyoming consist of silica-undersaturated madupites;...best known examples being those of the Leucite Hills, Wyoming; Jumilla, Spain; the West Kimberley region...silica-under_ saturated, Q-normative rocks occur in the Leucite Hills and some other localities. Ultrapotassic rocks...other localities, the ultrapotassicrocks of the Leucite Hills have no associated volcanic rocks of lessextremecompositions |  | | Book | | Group Name: Prairie Creek 3.2.2. Group Name: Leucite Hills 3.2.3. Group Name: Smoky Butte 3.2.4. Group...Group Name: Francis 3.2.5. Group Name: Hills Pond 3.2.6. Group Name: Sisimiut 3.2.7. Group Name: Yellow Water...Lamproite Type-Locality Magmatic Fields 4.4.1. Leucite Hills 4.4.2. West Kimberley 4.4.3. Murcia-Almeria...1. Phlogopite 6.1.1. Paragenesis 6.1.2. Leucite Hills, Wyoming 6.1.3. West Kimberley, West Australia 6...Kapamba, Zambia 6.1.9. Sisimiut, Greenland 6.1.10. Hills Pond-Rose Dome, Kansas 6.1.11. Bobi, Ivory Coast |  | | Journal (article/letter/editorial) | | Shcherbakovite in leucite phlogopite lamproites from the Leucite Hills, Wyoming POTASSIUMbarium titanosilicates...with apatite, amphibole and sanidine. Emmons Mesa, Leucite Hills, Wyoming. minerals, known from only...032 4.110 1,2 Emmons Mesa, Leucite Hills, Wyoming (this work); 3,4 Walgidee Hills, West Kimber|ey (Jaques...shcherbakovite from the Leucite Hills, Wyoming, U.S.A. The Leucite Hills of Wyoming (Cross, 1897) consist...within these lavas and is found at Emmons Mesa, Zirkel Mesa and Black Butte, where it occurs as small |  | | Report (chapter) | | Pleistocene flows and the Recent volcanics of the Leucite Hills, Wyoming, and Gaussberg, Antarctica, respectively...phlogopite, diopside, leucite and K-richterite, occasional glass, olivine, sanidine, priderite, perovskite...lamproite revolution. sitions of rocks from the Leucite Hills, W y o m i n g , and SE Spain, a n d included...proportions of both K and A1 include sanidine, biotite, leucite and rare kalsilite; the molar ratio K/A1...rhyolites, syenites, trachytes, latites, leucite tephrites, leucite basanites and minettes. Rarer rock types |  | | Book | | K. Gupta Kenzo Yagi Petrology and Genesis of Leucite-Bearing Rocks With 99 Figures and 43 Tables Springer-Verlag...Includes bibliographical references and index.!. Leucite. 2. Petrology. 1. Yagi, Kenzo, 1914- joint author...dominated by mafic and ultramafic rocks containing leucite. Its occurrence is very restricted as compared...are discussed. Phase equilibria studies on many leucite-bearing ternary, pseudoternary, quaternary, and... Survival of leucite and formation of pseudoleucite is discussed in Chapter 13. Leucite-bearing synthetic |  | | Book | | J. Wyllie, (California Institute of Technology, USA). Preface In this book the author attempts to...Physico-chemical constraints for the crystallization of leucite and melilite, their P-T stability together with...pseudoleucite and the problems related to survival of leucite beyond Tertiary due to analcitization are discussed...Incompatible relationship between the mineral pairs, leucite and sodic plagioclase and occurrence of the former...understood from the study of the systems leucite–albite and leucite–albite–anothite under atmospheric pressure |  | | Journal (article/letter/editorial) | | Petrology of the Volcanic Rocks from the Leucite Hills, Wyoming h~ S. E . CARMICHAEI~ Department of Geology... . . . 1. Leucite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2. Sanidine . . . . . ...wyomingite, orendite and madupite from the Leucite Hills have been examined with the electron microprobe...microprobe. The results show t h a t leucite is non-stoichiometric as predicted by CROSS (1897), having an...silicon, and t h a t the only feldspar found, a sanidine, contains up to 18 percent of the iron-feldspar |  | | Report (volume) | | Boston Massachusetts 02108, USA 667 Lytton Avenue, Palo Alto California 94301, USA 107 Barry Street, Carlton...Carlton Victoria 3053, Australia DISTRIBUTORS USA and Canada Blackwell Scientific Publications Inc PO Box...directly to CCC, 27 Congress Street, Salem, MA 01970, USA. 0305-8719/87 $02.00 British Library Cataloguing...kimberlite clan: relationship with olivine and leucite lamproites, and inferences for upper-mantle metasomatism...Trans-Pecos Texas 415 EBY, G. N. The Monteregian Hills and White Mountain alkaline igneous provinces, eastern |  | | Report (issue) | | _________________ ___. Nevada ___________ Elko County. - ______ ... _ Star mine, Harrison Pass _____... Tuscarora Range _____ _ ._. ________ Humboldt County Golconda manganese-tungsten depositNorth workings...Lincoln County__-__-----_-----_-----___ Tern Piute district....... __ ___ ... Mineral County____-_______________...naine________________ Mine near Green Talc mine. _____ Nye County ____ _._-___-________-___ Gabbs area __ _____________________..._____ Brucite and magnesite deposits. __ Pershing County __ Rocks in the West Humboldt Range ..~ Limerick |  | | Book (edition) | | composition ainl properties of the minerals, methods of mining and preparation, market values, extent and nature...methoils. For example, the Fraseh [>rocess for llie mining of sulfur had not been tlevelopi'd. .James A. ...and Jadeitc).274 Lapis Lazuli or Lazuritc.277 Leucite.278 Limestone and Lime.280 Lithium Minerals: Amblygonitc...forms a very small industry at Brandon in Suffolk County. Grindstones and Pulpstones. The production of...principally in the vicinity of Hot Springs, Garland County, are of two varieties: Arkansas stone, which is |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Uppsala, Uppsala, Sweden. Herbert Obodda: Short Hills, New Jersey. Renato Pagano: Milan, Italy. Ole V...TX UT VT VA Washington West Virginia Wisconsin Wyoming WA WV WI WY Provinces, Canada AB Alberta BC British...Co., Bonanza mine, Trinity Co., Michigan Bluff district, Placer Co., in AK, placers at Fairbanks, Iditarod...and quartz veins at Juneau. In Canada, Noranda district, PQ; Porcupine, Kirkland Lake, and Larder Lake...deposits, ON; Atlin and Caribou, BC; and Klondike district, YT. In Mexico, Altar and Magdalena, SON; Parral |
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