 | | Journal (article/letter/editorial) | | looking northwest acro88 the cliff’s of Glen Cove to South Park and the Tarryall Mountains. Researchers have...northeasterly-trending continentul Figure 2. Geologic map of the Colorado Front Range showing the Precambrian metamorphic...1978; Karistrom 1978; Lanthier 1978). Farther south in Colorado, sediments accumulated in decper-water rocks...Survey into “Early, Middle, and Late” Eras. In Colorado we because of the subsequent folding and overthrusting...subduction zone and possibly the creation Era in Colorado and Wyoming of a volcanic island arc. Carpenter |  | | Report (chapter) | | the LIBRARY South Platte District, Colorado · by Wm. B. Simmons and E. Wm. Heinrich Colorado Geological...Denver, Colorado I 1980 Front cover: Wide Angle photograph of the Oregon No. 2~ pegmatite, South Platte...Platte pegmatite district, Colorado. This striking example graphically illustrates the exceptionally welldeveloped...structural zonation of the pegmatites of this district. A fifty foot high column (40 feet across at the...the bottom of the pit. The quartz core of the pegmatite was left standing in relief as the enveloping |  | | Journal (article/letter/editorial) | | Sukhanovaa, and Yu. B. Marina aSt. Petersburg Mining University, St. Petersburg, 199106 Russia *e-mail:...Verkhneurmiysky granitic massif in the Amur River region—fergusonite-(Y), euxenite-(Y), samarskite-(Yb), aeschynite...are appraised as promising for Nb, Y, and REE. Fergusonite, samarskite, euxenite, and Nb-bearing wolframite...indicators of rare metal mineralization. Keywords: fergusonite, euxenite, samarskite, aeschynite, wolframite...earlier explored deposits and prospected areas in mining territories in Russia. In particular, tin deposits |  | | Journal (article/letter/editorial) | | (specimen and cut stones), N'Chwaning mine, Hotazel, South Africa. Martin Zinn specimen and gemstones, Erica...stones) with smoky quartz on matrix, Mount Antero, Colorado. Denver Museum of Nature and Science specimen...Rhodochrosite on sulfides, Sweet Home mine, Alma, Park County, Colorado, Martin Zinn specimen, Jeff Scovil photo....November/December: Copper, Cliff mine, Keweenaw County, Michigan. A. E. Seaman Mineral Museum specimen...artist Rainer Jackle, 38-39; minerals named after South Africans, 48-53; Mount Malosa, Malawi, 31-37; Rhodes/rhodesite |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 July 2015 PICK&PACK Vol 55 ...... Number 6 Inside...Jacobson Topic: Pegmatitic Rare-earth Minerals of Colorado: Species and Identification Refreshments provided...Friends of Mineralogy, Colorado Chapter. Mark has collected rare earth minerals in Colorado, Texas, Wyoming...Minerals of Colorado: Species and Identification Most of the pegmatitic rare-earth minerals in Colorado are found...found in the South Platte district, Jefferson County; St. Peters Dome district, El Paso County, Trout Creek |  | Tomašić, Nenad, Gajović, Andreja, Bermanec, Vladimir, Linarić, Maša, Rajić Su, Dangsheng Š koda (2010) Preservation of the samarskite structure in a metamict ABO4 mineral: a key to crystal structure identification. European Journal of Mineralogy, 22 (3) 435-442 doi:10.1127/0935-1221/2010/0022-2032 | Journal (article/letter/editorial) | | identified in a metamict ABO4 mineral from Beinmyr pegmatite, Norway, using selected area electron diffraction...common mineral groups of Nb–Ta–Ti-REE oxides like fergusonite, samarskite and pyrochlore, together with AB2O6...originating from Beinmyr granite pegmatite situated in Landås, Iveland district of Aust-Agder province of southern...xenotime and beryl have been reported in the Beinmyr pegmatite (Bjørlykke, 1934). According to the classification...classification of Černý & Ercit (2005), the pegmatite belongs to the REL-REE subclass. The size of the samarskite |  | Pieczka, Adam, Szuszkiewicz, Adam, Szełęg, Eligiusz, Ilnicki, Sławomir, Nejbert, Krzysztof, Turniak, Krzysztof (2014) SAMARSKITE-GROUP MINERALS AND ALTERATION PRODUCTS: AN EXAMPLE FROM THE JULIANNA PEGMATITIC SYSTEM, PIŁAWA GÓRNA, SW POLAND. The Canadian Mineralogist, 52 (2) 303-319 doi:10.3749/canmin.52.2.303 | Journal (article/letter/editorial) | | controlling the geochemical evolution of the pegmatite-forming melt. Samarskite-(Y) and ishikawaite of...et al. 2013). With euxenite-group minerals, fergusonite-(Y), allanite-group minerals, and rare gadolinite-(Y)...oxides from the Julianna pegmatites, such as fergusonite and euxenite-group minerals, are currently under...Ishikawa District, Japan (Kimura 1922, Ohashi 1924), has also been found in some pegmatites in the USA (King...noted in pegmatites at Mitchell Co., North Carolina, USA (Hanson et al. 1999), NYF to mixed NYF + LCT pegmatites |  | | Journal (issue) | | in southwestern Fennoscandia: Backdrop to the pegmatite fields of southern Norway……………………………………………………………………………………...paleoclimate controls of lithium-cesium-tantalum (LCT) pegmatite genesis, exhumation, and preservation……………………...rediscovered pegmatite in the Stettin Complex, Wausau Syenite Compley, Marathon County, Wisconsin, USA……………………………………………...REIMER, W. Mineralogical study of the Gonçalo Li-pegmatite deposit, Portugal……………………………………..23 FALSTER,...tz assemblage in the Emmons pegmatite, Greenwood, Oxford Co., Maine, USA: implication for the origin |  | Britvin, Sergey N., Pekov, Igor V., Krzhizhanovskaya, Maria G., Agakhanov, Atali A., Ternes, Bernd, Schüller, Willi, Chukanov, Nikita V. (2019) Redefinition and crystal chemistry of samarskite-(Y), YFe3+Nb2O8: cation-ordered niobate structurally related to layered double tungstates. Physics and Chemistry of Minerals, 46 (7) 727-741 doi:10.1007/s00269-019-01034-0 | Journal (article/letter/editorial) | | locality, the Blyumovskaya Pit, Ilmeny Mountains, South Urals, Russia, was studied for comparison; electron...tungstates · Crystal structure · Rare earths · Pegmatite · Metamict state · Phase transitions Introduction...the Blyumovskaya Pit) at the Ilmeny Mountains, South Urals, Russia. Later on (Rose 1847), the mineral...Samarsky-Bykhovets, a chief of Russian Corps of Mining Engineers who had supplied the specimens for the...mm, has been selected for the present study. fergusonite-(Y), etc. Samarskite-(Y) is a common mineral |  | Guastoni, Alessandro, Secco, Luciano, Škoda, Radek, Nestola, Fabrizio, Schiazza, Mariangela, Novák, Milan, Pennacchioni, Giorgio (2019) Non-Metamict Aeschynite-(Y), Polycrase-(Y), and Samarskite-(Y) in NYF Pegmatites from Arvogno, Vigezzo Valley (Central Alps, Italy) Minerals, 9 (5) 313 doi:10.3390/min9050313 | Journal (article/letter/editorial) | | Alps, Italy, pegmatite dikes are unique in the scenario of a tertiary alpine pegmatite field because...considered magmatic pulses that led to emplace the pegmatite field in the Central Alps. As an example, the...[11–15]. Arvogno pegmatite dikes (Figure 1) are unique within the tertiary alpine pegmatite field [16,17]...The Arvogno pegmatite dikes (Figure 1) are within thepegmatites tertiary alpine pegmatite field showing...Geological Sketch The tertiary, oligocenic, Alpine pegmatite field [16,17] is located in the Central Alps, |  | | Journal (article/letter/editorial) | | metamict samarskite from the Garnet Codera dike pegmatite (Central Italian Alps) Gian Carlo Capitani1,*...(YREE-U-Th)-(Nb-Ta-Ti) oxides from the Garnet Codera dike pegmatite (Central Italian Alps). These oxides have compositions...groups show compositional overlapping, e.g., fergusonite vs. samarskite and euxenite vs. aeschynite. There...metamict mineral from the Garnet Codera dike pegmatite (Central Italian Alps), whose identification was...Codera Valley pegmatite The studied (Y-REE-U-Th)-(Nb-Ta-Ti) oxides occur in a pegmatite named Garnet Codera |  | | Journal (issue) | | Zoned eosphorite from Lavra da Ilha, Taquaral district, M inas Gerais, Brazil .........................Frondel Fluocerite-(Ce) and other minerals from the Little Patsey quarry ........... 429 by M . I. Jacobson...catalogs from 1982 and earlier. These are probably of little use now to the average collector, but we’d like...cm tall, and came from the Eureka mine, Tuolumne County, California. The specimen, now in the Smithsonian...PUBLISHING P.O. Box 37072, Tucson, Arizona 85740 USA Richard A. Bideaux, General Partner (602) 297-4862 |  | | Journal (issue) | | Zoned eosphorite from Lavra da Ilha, Taquaral district, M inas Gerais, Brazil .........................Frondel Fluocerite-(Ce) and other minerals from the Little Patsey quarry ........... 429 by M . I. Jacobson...catalogs from 1982 and earlier. These are probably of little use now to the average collector, but we’d like...cm tall, and came from the Eureka mine, Tuolumne County, California. The specimen, now in the Smithsonian...PUBLISHING P.O. Box 37072, Tucson, Arizona 85740 USA Richard A. Bideaux, General Partner (602) 297-4862 |  | | Book | | ........................................... 82 South Africa ...... ... ................................is a fue l for reactors to produce electricity, mining operati ons. Robert Lau f presents here a highly...softvva re, using data files from the Boulder, Colorado; Pau la Piilonen, Candian Museum of An1erican...structures in three dimensions for a richer Mountain Mining; Leonard Himes and Michael Jacob, appreciation...Czech Republic) and elsewhere in the Erzgebirge district. Those n1ines had been \VOrked for silver and |  | | Book (edition) | | abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...localities of magmatic origin (in the sequence North and South America and Greenland, then Europe, Asia, Africa...pegmatitic origin in the same sequence: North and South America and Greenland, then Europe, etc. For some |
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