 | | Journal (issue) | | WASHINGTON November 3, 2007 9:00 am to 5:00 pm Clark County P. U. D. Building 1200 Fort Vancouver Way Vancouver...of Eugene, Oregon near the town of Trent in Lane County, Oregon, just southeast of Springfield/Eugene (Staples...Trent, Lane County, Oregon Fig. 5 Yellow orpiment needles in chalcedony, Trent, Lane County, Oregon Fig...realgar needles, Royal Reward mine, Green River, King County, Washington Fig. 6 Yellow orpiment coating red...covered with colorless chalcedony. Trent, Lane County, Oregon. Fig. 7 Hollow needles, formerly realgar |  | | Journal (article/letter/editorial) | | Montana Mineral Locality Index Downloaded by [University of Nebraska, Lincoln] at 20:00 09 April 2015...2015 K NOWN AS THE TREASURE STATE, Montana is rich in mineral and gemstone localities. The state motto...The middle third of the state is known as the Montana alkali province where the sediments have MICHAEL...Indian Queen mine ca. 1905 at Farlin, Beaverhead County. 208 ROCKS & MINERALS Downloaded by [University...one. The mines at Butte in Silver Bow County and the Black Pine mine in Granite County have produced many |  | | Journal (article/letter/editorial) | | Zr-rich alkaline pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparisons between potassic...Springer-Verlag 2002 Abstract At Gordon Butte (Crazy Mountains, Montana), agpaitic nepheline±syenite pegmatites...overall evolutionary trend of clinopyroxene in the Gordon Butte rocks is from Fe-poor diopside to aegirine±augite...lamprophyllite. The evolutionary history of the Gordon Butte pegmatites can be subdivided into primary, agpaitic...loparite. The mineralogy of the pegmatites from Gordon Butte, other potassic complexes, and sodic agpaitic |  | | Journal (article/letter/editorial) | | hydrozircon, baotite, strontianite, allanite, quartz and pyrite. The absence of wadeite and priderite have been...(Figs 5a-b and 6b-d). Minor phases are magnetite, pyrite and hydro-zircon (Figs. 5c and 6c). Amphibole is...Zr-rich alkaline pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparisons between potassic...Crowley, F.A. (1962) Baotite from Ravalli County, Montana. American Mineralogist, 47, 987â993. Karpenko...1961 Hydrothermal quartz vein Ravalli County, Montana, USA; Henrich et al., 1962; Koneva et al., 2008; |  | | Report (issue) | | _________________ ___. Nevada ___________ Elko County. - ______ ... _ Star mine, Harrison Pass _____... Tuscarora Range _____ _ ._. ________ Humboldt County Golconda manganese-tungsten depositNorth workings...naine________________ Mine near Green Talc mine. _____ Nye County ____ _._-___-________-___ Gabbs area __ _____________________..._____ Brucite and magnesite deposits. __ Pershing County __ Rocks in the West Humboldt Range ..~ Limerick...California Continued Nevada Continued White Pine County.._________________ Cherry Creek district______________ |  | | Report (issue) | | THE SENTINEL BUTTE LIGNITE FIELD, NORTH DAKOTA AND MONTANA. By A. G. LEONARD and CARL D. SMITH. INTRODUCTION...As shown by the key map (fig. 1), the Sentinel Butte field is a small area near the center of the Fort...quarter of Montana, the western FIG. 1. Index map showing location of the Sentinel Butte lignite field...field, North Dakota and Montana. half of North Dakota, arid the northwest corner of South Dakota. The...approximately 25 townships 19 in Billings County, N. Dak., and 6 in Dawson County, Mont., on either side of the Northern |  | | Journal (article/letter/editorial) | | Mn-rich rocks from the Hutter mine, Pittsylvania County, Virginia, U.S.A.: Implications for miscibility...hydrous fluid and silicate meltâRichard L. Hervig, Gordon M. Moore, Lynda B. Williams, Simon M. Peacock,...MINERALOGIST Vol. 87, No. 5â6, 2002 Formation of secondary pyrite and carbonate minerals in the Lower Williams Lake...flow in the vicinity of Yucca Mountain, Nevada, USAâ James B. Paces, Kenneth R. Ludwig, Zell E. Peterman...radionuclide sorption to vitric tuffs of Busted Butte, NevadaâH. J. Turin, A. R. Groffman, L. E. Wolfsberg |  | Wu, Bin, Wang, Ru-Cheng, Yang, Jin-Hui, Wu, Fu-Yuan, Zhang, Wen-Lan, Gu, Xiang-Ping, Zhang, Ai-Cheng (2015) Wadeite (K 2 ZrSi 3 O 9 ), an alkali-zirconosilicate from the Saima agpaitic rocks in northeastern China: Its origin and response to multi-stage activities of alkaline fluids. Lithos, 224. 126-142 doi:10.1016/j.lithos.2015.02.008 | Journal (article/letter/editorial) | | and Zaitsev, 1999), and at Gordon Butte in the Crazy Mountains in the USA (Chakhmouradian and Mitchell...Hills in the USA (Carmichael, 1967), in the alkaline pegmatites of Gordon Butte in the USA (Chakhmouradian...rocks (Fig. 2e and f). Of note, magnetite and AC pyrite, and sulfide and sulfate co-occur in the same thin...first described in alkaline pegmatites from Gordon Butte by Chakhmouradian and Mitchell (2002). Precipitation...aegirine (Markl et al., 2010). Biotiteâaegirine, pyriteâmagnetite, and sphalerite, SC R galenaâbarite |  | | Book | | ROADSIDE % JEOLOGY of Montana David Alt and Donald W. Hyndman ROADSIDE N JEOLoGY of Montana David Alt Donald...Roadside geology of Montana. Bibliography: p. Includes index. 1. Geology â Montana â Guide-books. I. Hyndman...know something about the rocks and landscapes of Montana. We hope our professional colleagues will enjoy...dealing with the four major geologic provinces in Montana. Each starts with its own more specific narrative...Nearly every geologist who has ever worked in Montana contributed something to this book. We read almost |  | Liferovich, R. P., Mitchell, R. H., Zozulya, D. R., Shpachenko, A. K. (2006) Paragenesis and composition of banalsite, stronalsite, and their solid solution in nepheline syenite and ultramafic alkaline rocks. The Canadian Mineralogist, 44 (4) 929-942 doi:10.2113/gscanmin.44.4.929 | Journal (article/letter/editorial) | | in this rock are K-feldspar, titanite, calcite, pyrite, fluorapatite, barian biotite, Ba-bearing K-feldspar...(UK), and Tony Nikischer (Excalibur Mineral Corp., USA) for providing stronalsite and banalsite samples...nepheline-syenite pegmatites at Pegmatite Peak, Bearpaw Mts., Montana. Mineral. Petrol. 67, 85-110. Chakhmouradian, A...and Zr-rich pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparisons between potassic |  | | Journal (article/letter/editorial) | | (Fig. 3a). Accessory minerals include sphalerite, pyrite and some unidentified NbâZrâTi oxides. In the inner...recrystallized alkali feldspar, Fe-sulfides (mostly pyrite), monazite and unidentified Zr-silicates indicate...1; Mitchell and Vladykin, 1996) and from Gordon Butte, Montana (Chakhmouradian and Mitchell, 2002; not...Zr-rich alkaline pegmatites from Gordon Butte, Crazy Mountains, Montana, (USA): comparisons between potassic |  | Pagano, Diego SebastiĂĄn, Galliski, Miguel Ăngel, MĂĄrquez-ZavalĂa, MarĂa Florencia, NovĂĄk, Milan, Ć koda, Radek (2016) Petrography, Mineralogy, and Origin of the Syenite Pegmatitic Segregation Veins From La Peña Alkaline Complex, Mendoza, Argentina. The Canadian Mineralogist, 54 (4) 803-825 doi:10.3749/canmin.1600015 | Journal (article/letter/editorial) | | Opaque minerals (Ti-rich magnetite, pyrrhotite, pyrite, chalcopyrite, and scarce marcasite) are recognized...secondary zeolite-group minerals, calcite, muscovite, pyrite, marcasite, and possibly cancrinite replace feldspathoids...separation; (3) abundant Ti-rich magnetite, scarce pyrite, chalcopyrite, and pyrrhotite. Mineral abbreviations...Chloritegroup minerals, cancrinite(?), pyrrhotite, pyrite, chalcopyrite, and marcasite were observed as minor...Zr-rich alkaline pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparisons between potassic |  | Walter, B.F., Parsapoor, A., Braunger, S., Marks, M.A.W., Wenzel, T., Martin, M., Markl, G. (2018) Pyrochlore as a monitor for magmatic and hydrothermal processes in carbonatites from the Kaiserstuhl volcanic complex (SW Germany) Chemical Geology, 498. 1-16 doi:10.1016/j.chemgeo.2018.08.008 | Journal (article/letter/editorial) | | in Australia; Humphries, 2010, Mountain Pass in USA; Castor, 2008; and Bayan Obo in Mongolia; Yang et...melilite. Common accessories include sulfides (pyrite, pyrrhotite, galena, NU sphalerite, chalcopyrite)...Zr-rich alkaline pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): comparisons between potassic |  | Wu, Bin, Wen, Han-Jie, Bonnetti, Christophe, Wang, Ru-Cheng, Yang, Jin-Hui, Wu, Fu-Yuan (2019) Rinkite-(Ce) in the nepheline syenite pegmatite from the Saima alkaline complex, northeastern China: Its occurrence, alteration, and implications for REE mineralization. The Canadian Mineralogist, 57 (6) 903-924 doi:10.3749/canmin.1900042 | Journal (article/letter/editorial) | | and clinopyroxene, as well as some calcite and pyrite grains seen in hand specimen (Fig. 2c). MATERIAL...rinkite-(Ce). Other accessory minerals include pyrite, strontianite, and ïŹuorite. Compositions of rock-forming...Zr-rich alkaline pegmatites from Gordon Butte, Crazy Mountains (Montana, USA): Comparisons between potassic |  | Essene, Eric J., Claflin, Christopher L., Giorgetti, Giovanna, Mata, Pilar M., Peacor, Donald R., Ă rkai, PĂ© ter, Rathmell, Mark A. (2005) Two-, three- and four-feldspar assemblages with hyalophane and celsian: implications for phase equilibria in BaAl2Si2O8-CaAl2Si2O8-NaAlSi3O8-KAlSi3O8. European Journal of Mineralogy, 17 (4) 515-535 doi:10.1127/0935-1221/2005/0017-0515 | Journal (article/letter/editorial) | | MI 48109-1063 USA College Preparatory School, 353 Crenshaw Road, Houston TX 77034 USA 3Dipartimento di...Semiconductor, 234 Oxford Street, South Portland ME 04101 USA 2YES Abstract: The occurrences of natural coexisting...oligoclase, Pg = paragonite, Po = pyrrhotite, Py = pyrite, Ru = rutile, Sph = sphene, Thor = thorite, Wth...analcitites and phonolites from the Highwood Mountains, Montana (Larsen, 1941; Wilkinson, 1968; Nakamura & Yoder...feldspars from the Rainy Creek complex near Libby, Montana. Earth Planet. Sci. Lett., 3, 8-10. Boundy, T.M |  | | Journal (article/letter/editorial) | | understand the incorporation of gold and other metals in pyrite. Any success that I have had as an academic, I...papers on the mineralogy and petrology of the Gordon Butte and Pegmatite Peaks potassic pegmatites will |  | | Journal (article/letter/editorial) | | understand the incorporation of gold and other metals in pyrite. Any success that I have had as an academic, I...papers on the mineralogy and petrology of the Gordon Butte and Pegmatite Peaks potassic pegmatites will |  | Nedosekova, Irina, Vladykin, Nikolay, Udoratina, Oksana, Belyatsky, Boris (2021) Ore and Geochemical Specialization and Substance Sources of the Ural and Timan Carbonatite Complexes (Russia): Insights from Trace Element, RbâSr, and SmâNd Isotope Data. Minerals, 11 (7) 711 doi:10.3390/min11070711 | Journal (article/letter/editorial) | | are associated with carbonatites: Mountain Pass (USA) and Bayun-Obo (China) provide more than half of...associated with these carbonatites such as Mountain Pass (USA); Karasug (Central Tuva, Russia); and Dashigou, Miaoya... ilmenite, apatite, magnetite, pyrrhotite, and pyrite. Calcite carbonatites (sövites II) are leucocratic...pyrochlore, ilmenite, zircon, magnetite, pyrrhotite, and pyrite. In fenites, vein and stockwork-like calcite carbonatites...red pyrochlore, ilmenite, magnetite, pyrrhotite, pyrite, zircon, monazite, ortite, and chevkinite. The |  | Elliott, H.A.L., Wall, F., Chakhmouradian, A.R., Siegfried, P.R., Dahlgren, S., Weatherley, S., Finch, A.A., Marks, M.A.W., Dowman, E., Deady, E. (2018) Fenites associated with carbonatite complexes: A review. Ore Geology Reviews, 93. 38-59 doi:10.1016/j.oregeorev.2017.12.003 | Journal (article/letter/editorial) | | previously shattered 366 country rock at Mountain Pass, USA (Castor, 2008); the intrusion of carbonatite 367...Bull Hill 378 phonolitic diatreme at Bear Lodge, USA (Moore et al., 2015) and diatreme breccias 379 ...bodies at Bull Hill in the Bear Lodge Mountains, USA, Aley 556 and Upper Fir, Canada (Chakhmouradian...ore-deposits. Recognition of potassic feldspar-pyrite alteration related to gold 808 mineralization...vein-hosted gold mineralization at Cripple Creek, 811 USA, which have also been noted for their REE enrichment |  | | Journal (article/letter/editorial) | | Avenue, Suite E, Evanston, Illinois 60202-2376, USA 3 Fachbereich Materialforschung & Physik, University...Space Sci. Dept, U. of Calif. Los Angeles, CA 90095 USA 2 Institut fĂŒr Geowissenschaften, UniversitĂ€t Potsdam...Sciences, U. Chicago, Chicago, IL USA 5 CARS, U. Chicago, Chicago, IL USA Ti and other HFSE are considered...University of California, Los Angeles, CA 90095 USA (manning@ess.ucla.edu) 2 GeoForschungsZentrum, Telegrafenberg...carbonates (siderite and ankerite), hematite and pyrite, were analysed (> 100 spots per sample) by multicollector |  | | Thesis/Dissertation | | la sphalĂ©rite, la molybdĂ©nite, lâilmĂ©nite, la pyrite et la chalcopyrite. Les campagnes de prospection...Zircon SyĂ©nite, syĂ©nite Ă quartz, granites S Pyrite, marcasite, galĂšne, blĂšnde BrĂšche Ă petits fragments...sulfure ANDRANOMATAVY Zr Nb S Zircon Pyrochlore Pyrite MANONGARIVO Nb Pyrochlore Mo, S - Granite Ă ...SyĂ©nites quartzifĂšres Molybdenite BEZAVONA S Pyrite Pb BlĂšnde (PbS) Zn GalĂšne (ZnS) Nb Pyrochlore Sn...Dissertation, Washington University, St. Louis, Missouri (USA), 397 p. - [12] Chakhmouradian, A. R. & Mitchell |  | | Book | | of petrology at the University of Chicago in the USA. J. P. Iddings became the first incumbent of this...such areas (e.g. Hawaii and Yellowstone in the USA and Jebel Marra in the Western Sudan) have been...described similar rocks from south-eastern Idaho, USA: these rocks were called welded tuffs. Ignimbrites...latter type include Crater Lake-Mount Mazama, Oregon, USA (4650 sc), Santorini, Greece (1470 sc) and Krakatau...Kamchatka, USSR, and Mount St Helens, Washington, USA (cf. Gorschkov 1959; Eichelberger & Hayes 1982) |
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