 | REN, M, OMENDA, P, ANTHONY, E, WHITE, J, MACDONALD, R, BAILEY, D (2006) Application of the QUILF thermobarometer to the peralkaline trachytes and pantellerites of the Eburru volcanic complex, East African Rift, Kenya. Lithos, 91 (1) 109-124 doi:10.1016/j.lithos.2006.03.011 | Journal (article/letter/editorial) | | Application of the QUILF thermobarometer to the peralkaline trachytes and pantellerites of the Eburru volcanic...Geological Sciences, University of Texas at El Paso, TX 79968, USA Olkaria Geothermal Project, P.O. Box...Eastern Kentucky University, Richmond, KY 40475, USA d Environment Centre, Lancaster University, Lancaster...temperatures being among the lowest recorded for peralkaline silicic magmas. The QUILF thermobarometer demonstrates...complex; Trachyte; Pantellerite; Peralkaline; QUILF 1. Introduction Peralkaline magmas form mainly in extensional |  | | Book | | British Museum (Natural History) and University of Texas Press British Library Cataloging i.n Publication...rocks; peralkaline (i.e. containing alkali pyroxene and/ or amphibole) syenite, quartz syenite and granite...granite, to gether with peralkaline trachyte, comendite and pantel lerite. Fenites are also included...differences of opinion on the origin of the peralkaline and felds pathoidal rocks of the Haliburton-Bancroft...been added, and general terms such as neph eline syenite have been freely applied. However, the relatively |  | | Journal (article/letter/editorial) | | Granites, Malawi, mafic mineralogy, 85 GREECE, Voras mountain, rozenite and melanterite, 737 GREENLAND, pyroxene...mafic mineralogy, 85; Chilwa Province, nepheline syenite complexes, 597 Mantle xenoliths, France, new varieties...PEAl"r, R. G., and WOOLLEY,A. R., Malawi peralkaline syenite, and granites, 85; see also WOOLLEY,A. R...385; Inverness, zirconolite from Glen Dessary syenite, 326 Scott, P. W., CmrCHLEY,S. R., and WmrdNSON...Smithsonite, New South Wales, 49 SOUTHAFRICA,Black Mountain, creaseyite, 346; BushveM complex, crystallization |  | | Book | | nwi 2DB 32 East 57th Street, New York, NY 10022, USA 296 Beaconsfield Parade, Middle Park, Melbourne 3206...nepheline syenites, peralkaline and alkali trachytes, peralkaline and alkali syenites, peralkaline and most alkali...alkali rhyolites, peralkaline and most alkali granites. Igneous rocks IO Much work remains to be done...and/or soda-amphiboles. He called such rocks peralkaline, and this term has come into general use. In...columns 1 and 2 give the chemical analyses of two black volcanic glasses (obsidi¬ ans). Inspection shows |  | | Report (volume) | | Geographical and Geological Survey of the Rocky Mountain Region (Powell Survey), 1880. LACCOLITH COMPLEXES...northern part of the Paradox Basin and the La Sal Mountain laccolith complex. See page 4 for generalized...southwestern Colorado, and from there south to west Texas. Charles Chapin and William Mcintosh (both New Mexico...vegetated regions tend to be lighter in red. White and black areas are clouds with shadows. Snow on the crests...lineaments (Friedman and others, 1994). The La Sal Mountain peaks trend along a line to the northeast, whereas |  | | Journal (article/letter/editorial) | | considered as an area of scientific research of black and white smokers, rather than an area of exploration...Feldspathoid-bearing igneous rocks (nepheline syenite). Excess of alkaline elements over Al oxide so...amphiboles e.g. Glaucophane or crossite. Massive gray syenite with cancrinite as the typical rock-forming mineral...to an orthopyroxene bearing tonalite. A gray or black holocrystalline nepheline monzogabbro or nepheline...serpentinized olivine, magnetite and apatite. Nepheline syenite composed chiefly of potassium feldspar. It is a | | | Journal (article/letter/editorial) | | considered as an area of scientific research of black and white smokers, rather than an area of exploration...Feldspathoid-bearing igneous rocks (nepheline syenite). Excess of alkaline elements over Al oxide so...amphiboles e.g. Glaucophane or crossite. Massive gray syenite with cancrinite as the typical rock-forming mineral...to an orthopyroxene bearing tonalite. A gray or black holocrystalline nepheline monzogabbro or nepheline...serpentinized olivine, magnetite and apatite. Nepheline syenite composed chiefly of potassium feldspar. It is a |  | | Conference Proceedings | | GSA~®U® Denver, ANNUAL MEETING Colorado, & USA EXPOSITION PROGRAM '1 '1 '1 '1 Expert technical...hc.idwall, Ch;i.sm Lake and Longs Peak, Rocky Mountain Na1ion:il Park, Colorado; Roc.k Gl.1cic.r,Uppu...Park, Colorado, 25-28 September • Denver, Colorado USA 3 INTERNATIONAL CENTRE FOR DIFFRACTION DATA...Geological Survey, designed options that span the Rocky Mountain region and diverse disciplines. Education and...by Kea Giles. 25-28 September • Denver, Colorado USA 5 TOOLS INFLUVIAL GEOMORPHOLOGY (011(0 01 0. MATHIAS |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | (SME) 8307 Shaffer Parkway Littleton, Colorado, USA 80127 (303) 948-4200 / (800) 763-3132 www.smenet.... . . . . . . . . . . . . . . . . . Nepheline Syenite . . . . . . . . . . . . . . . . . . . . . . . ...enterprises such as Ray Consolidated Copper Co., Texas Gulf Sulphur Co., and Cyprus Mining Corp. Colonel...Bratney Chevron Energy Technology Company Houston, Texas Unimin Corporation Ottawa, Illinois Victor O....Washington, D.C. Solvay Chemicals, Inc. Houston, Texas Fred G. Heivilin Salt Institute Alexandria, Virginia |  | | Book | | Epithermal Systems in the Northern Great Basin, USA. 5.3.8 The Oldest Epithermal Systems, Archaean Pilbara...Geysers-Clear Lake Geothermal System, California, USA . . . . . . . . . . . . . . . . . . . . . . . . ...The Yellowstone National Park Geothermal System, USA . . . . . . . . . . . . . . . . . . . . . . . . ...Mississippi Valley-Type Deposits of the Viburnum Trend (USA) . . . . . . . . . . . . . . . . . . . . . . . ....8.8.5 The Pb-Zn-Cu-Ag-V Deposits of the Otavi Mountain Land, Namibia . . . . . . . . . . . . . . . . |  | | Report (volume) | | REE-rich fluorapatite, Pajarito, Otero County, New Mexico, USA (Roeder et al. 1987; Hughes et al. 1991b)...1968) 5: hydroxylapatite, Holly Springs, Georgia, USA (Mitchell et al. 1943; a, including 0.15 wt % insoluble)...Drexler 1991) 10: alforsite, Big Creek, California, USA (Newberry et al. 1981) 11: strontium-apatite, Inagli...(Welin 1968) 16: johnbaumite, Franklin, New Jersey, USA (Dunn et al. 1980) 17: hedyphane, Långban, Sweden...Na-rich sodalite foyaite and quartz-bearing peralkaline pegmatite reflect progressively increasing importance |  | | Book | | granitic colluvium Plate 3.4. A cracking clay (black earth) showing prominent slickensides. The soil...Kosciusko area of south-eastern Australia. The black organic loam surface soil often contains 15-20%...of low relief. The only major highland is the mountain and tableland chain following the east coast from...Guthrie, F. B. (19105). The chemical nature of the black soil plains: with notes on the geological aspects...nomenclature and nature of the lower horizons vary. In the USA (Soil Survey Staff 1975; Soil Science Society of |
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