| | Journal (article/letter/editorial) | pegmatites that have been prospected for mica, feldspar, spodumene, and gems. An important historical...including the well190 ROCKS & MINERALS known Dunton quarry at Newry where small though welldeveloped crystals...crystals have been found, the Lord Hill quarry at Stoneham where nice specimens containing groups of autunite...after and surrounding dendritic aggregates of uraninite. Good crystals to almost 1 cm have been found...occurs with manganapatite, zircon (cyrtolite), uraninite, and other secondary uranium minerals in cavities | | Knoll, Tanja, Schuster, Ralf, Huet, Benjamin, Mali, Heinrich, Onuk, Peter, Horschinegg, Monika, Ertl, Andreas, Giester, Gerald (2018) Spodumene Pegmatites and Related Leucogranites from the AustroAlpine Unit (Eastern Alps, Central Europe): Field Relations, Petrography, Geochemistry, and Geochronology. The Canadian Mineralogist, 56 (4) 489-528 doi:10.3749/canmin.1700092 | Journal (article/letter/editorial) | HUET Geological Survey of Austria, Neulinggasse 38, 1030 Vienna, Austria HEINRICH MALI AND PETER...Montanuniversität Leoben, Peter-Tunnerstraße 5, 8700 Leoben, Austria MONIKA HORSCHINEGG Department of Lithospheric...University of Vienna, Althanstraße 14, 1090 Vienna, Austria ANDREAS ERTL AND GERALD GIESTER Institut für...University of Vienna, Althanstraße 14, 1090 Vienna, Austria ABSTRACT In the Eastern Alps (Central Europe)...features. The magmatic assemblage consists of K-feldspar, quartz, plagioclase, muscovite, garnet, and tourmaline | | Černý, P., Chapman, R., Chackowsky, L. E., Ercit, T. S. (1989) A ferrotantalite-ferrotapiolite intergrowth from Spittal a.d. Drau, Carinthia, Austria. Mineralogy and Petrology, 41 (1) 53-63 doi:10.1007/bf01164810 | Journal (article/letter/editorial) | lite Intergrowth from Spittal a.d. Drau, Carinthia, Austria P. Cern# 1, R. C h a p m a n 1, L. E. Chackowsky...ferrotapiolite occur in a pegmatite in Spittal a.d. Drau, Carinthia. They are associated with muscovite, albite, smoky...cassiterite, and microscopic uranmicrolite, zircon and uraninite. An assemblage of secondary uranium minerals is...mineralogy, geochemistry, pegmatite, Ostalpen, Austria. Zusammenfassung Eine Ferrotantalit-Ferrotapiolit...The pegmatite exposed in a feldspar quarry at Spittal a.d. Drau, Carinthia is not particularly rich in | | | Book | glassy grains quartz, and the yellowish grains feldspar. The whole specimen is called granite. Limestone...rock consisting of several minerals, of w.hich feldspar, quartz, and mica are the main constituents. Quartzite...derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric finds have...(NaCl), pyrite (FeS ), 2 magnesite (MgC03), potash feldspar (KA1Si 30 ), are mineral 8 examples, whilst hydrochlo_ric...adularia, Fig. 23 augite and hornblende, Fig. 24 feldspar; triclink Pl. 44 microcline, Fig. 8 albite. No | | | Book | black rock, containing no quartz but rich in the feldspar minerals pyroxene and olivine. Old basalts with...intrusive rocks contain large crystals, often of the feldspar group and are known as porphyries. The individual...traprock is diabase in which lath-like crystals of feldspar grow first and darker minerals grow round them...structure. It contains mostly quartz and orthoclase feldspar with some smaller amounts of a darker mineral...rocks are poor in quartz but rich in plagioclase feldspar. Darker and even poorer in silica than diorite | | | Report (issue) | ____ 2008 annual meeting – Spruce Pine Mining District: Little Switzerland, North Carolina _________...Society (CGS) 2008 Field trip Spruce Pine Mining District North Carolina Co-leaders Alex Glover Operations...____ 2008 annual meeting – Spruce Pine Mining District: Little Switzerland, North Carolina _________...– Stop 3: Vulcan Materials Company, Spruce Pine Quarry) Bob and Alan Schabilion (Saturday – Stop 5: Emerald...____ 2008 annual meeting – Spruce Pine Mining District: Little Switzerland, North Carolina _________ | | | Journal (article/letter/editorial) | 1% range, T1 and Ag reach several hundred ppm. Uraninite is concentrated in silicate-rich bands and yields...collecting peaked around 1835 and 1900. Since 1958, the quarry has been operated for the exploitation of mineral...up-to-date mineral list, maps and cross sections of the quarry are presented by Hofmann et al. (1993). The genesis...fissures. This mineralisation is part of an extensive district of base metal mineralisation in Triassic rocks...layers with up to 124 ppm bulk U contain accessory uraninite. Well-crystallised minerals occur in druses (Fig | | | Book (edition) | dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Menzenschwand Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from...Grossgreiner Mt., overlooking Zillertal Valley, Tirol, Austria, and at Passo di Vizze, Trentino-Alto Adige, Italy...to Hot Springco., Arkansas, in the Point of Rock quarry, pearly. Clea,·age {001} perfect. {100} and {010}...Sweden.Also in Nc3iC0-rich sediments in the Green 3 land prov.. Sweden, at Franklin. Sussex co.. New Jersey | | | Book (edition) | which are lined with crystal of nepheline. alkali feldspar. biotite. magnetite and apatite. These vein-dykes...explore the hilly backroads and often come across a quarry or a roadcut, stop and investigate it, and bring...relatively easy to wander into a closed-down mine or quarry and spend hours chipping away at the rock or digging...digging through the dumps or pits. Today, land-owners have become increasingly concerned about the dangers...not does not give rockhounds free access to the land. Entering onto any of the properties is the risk | | | Journal (article/letter/editorial) | Michigan, Ann Arbor, Mich.) The Micanite pegmatite district lies across the Park-Fremont County line in south-central...village of Micanite. The pegmatite of the Micanite district contains unusually large 378 ROCKS AND MINERALS...Idaho, is operating a cobalt mine in the Blackbird district of Lemhi Co., Idaho. This mine is reported to...being made to construct a large cobalt refinery on land near the American Smelting & Refinery C o s Garfield...known for many years as occurring in the Blackbird district and it may be the chief cobalt ore mined by the | | | Book | Germany. There are important deposits in North Queens¬ land and New South Wales. Some bismuth occurs in Devon...is found in basalt at Disco Island, West Green¬ land and in small grains with pyrrhotite near Kassel...Australia at Kalgoorlie; in the Cripple Creek district, Teller Co., Colorado and in Calaveras Co., California...name is taken is Lolling, near Huttenberg, Carinthia, Austria; other localitiesarethe Harz Mountains, Saxony...Localities. Large crystal groups are found in Carinthia, Austria; in Trentino, Italy; and in Norway and Sweden | | | Journal (article/letter/editorial) | from GoM3 O4 O10 slerwand, Prägratten, Tyrol, Austria. It typically forms elongated, Al O OH often striated...in amphibolite gneiss at the Keystone trap-rock quarry, Cornog, Pennsylvania. • Pink to green crystals...niigataite for the type locality, in the Itoigawa-Ohmi district, Niigata Prefecture, in central Japan (Miyajima...in a sample of pumpellyite rock from the Wakasa district, Tottori Prefecture, Japan. The host rock consisted...crystals are found at Knappenwand, Untersulzbachtal, Austria, associated with graygreen fibrous byssolite. Fine | | | Journal (article/letter/editorial) | titaniferous columbite and uranpyrochlore), alkali feldspar, low-Ca plagioclase (albiteoligoclase) and zircon...cobalt-rich spinel, Th,Ce-rich phosphate and uraninite. The similar chemistry of some inclusion minerals...mixed paragenesis (“ hybrid rock hypothesis ”). Feldspar exsolution textures provide strong evidence that...of a cogenetic assemblage dominated by alkali feldspar; other phases include zircon, magnetite, ilmenorutile...Tertiary volcanics and sapphires in the New England district of New South Wales revealed that sapphire-bearing | | | Journal (article/letter/editorial) | Maine, Pegmatite District Topsham • Topsham, Maine's underappreciated pegmatite district, is particularly...noted for fine specimens of beryl, topaz, and uraninite. T O P S H A M I S L O C A T E D about 25 miles...synonomy has arisen due to changes of leasee or owner. Quarry locations are described and plotted on top ographic...guide by Phillip Morrill (1958). Mining History Feldspar mining began in Maine at Topsham in the mid dle...of John W . Fisher between 1852 and 1860. This quarry was worked for a single season during the 1860s | | | Journal (article/letter/editorial) | that the following paper was written. Of the many feldspar prospect-holes opened in Middlesex and adjacent...composed of predominating quartz and perthitic feldspar with somemuscovite and biotite. Most of the gem...localities are found in orthogneiss, the Pelton quarry (Locality 4), east of Collins HilI and within the...beryl has been taken (Locality 9) near the Gillette quarry, south of Haddam Neck. These facts attain greater...up the mineral localities in order, the Husband quarry (Locality 1) is still being worked. A number of | | | Journal (article/letter/editorial) | sphalerite is a lead-silver mine in the Silverton district, San Juan County, Colo. The mineral occurs as...Eugene VanderWender, Harrington, Kent County, Del. District of Columbia—French Morgan, of Washington, D. C...another very unusual find of petrified wood, in the District this time, and within a half mile of where I live...Daytona Beach, Fla. The locality is a limestone quarry near south of Bradenton, Manatee County Fla. Georgia—A...crystals of selenite are found in the Floyd Knobs quarry near New Albany, Floyd County, Ind. Iowa—Nice waterworn | | | Journal (article/letter/editorial) | The Quarries and Minerals of the Dayton Road District SOUTH GLASTONBURY, CONNECTICUT JOHN H. BETTS 215...northernmost in the Middletown-Portland pegmatite district (fig. 1). They are in South Glastonbury, about...the Simpson quarry on the south, the Hollister quarry on the east, and the Howe No. 4 quarry on the north...north. This district includes one of the largest quarries of the entire Middletown-Portland quarrying district...district, the Howe No. John H. Betts, a mineral collector/dealeK has been the field trip director for | | | Journal (article/letter/editorial) | areas: 1. southern New York Bedford pegmatite district—we can add here the small xenotime- or beryl-bearing...History The first attempt to mine high-quality feldspar from pegmatites in New York was around 1878 (Newland...1875 on Kinkel’s farm, at the Kinkel quarry, followed by Hobby’s quarry, or Hobbey’s as it appears later...principally for high-purity pottery feldspar, but also for feldspar of other grades, as well as quartz...crushed pegmatite. The high-purity feldspar from the Bedford district was called “Lenox Spar” because it | | | Report (issue) | Devonian Country rock is an ilmenite-bearing uraninite, gummite, pegmatite amphibolite which is cut by...Village Torbernite Pegmatite Autunite, gummite, uraninite, uranophane, columbite, cyrtolite, fergusonite...to Januzzi, quarry is near bottom of next 1959. hill. Distance from Branchville to quarry is 0.6 km. ...cyrtolite, gummite, torbernite, uraninite Autunite, torbernite, Pegmatite uraninite Upper Merryall Woodbury...until it ends. Continue by foot along old roadway, quarry is on left side of trail. Pegmatite - Torbernite | | | Book (volume) | colors), jasper. BIBB COUNTY MACON: at Holton Quarry, 7½ mi. NWagate; N of Calloway airport at rd...1½ mi., in Knox dolomite exposed in an abandoned quarry Barite, Calcite, Fluorite (purple cubes), Galena...US 27: (a) along both sides of Hwy.agate; (b) quarry on W side of rd.agate, chalcedony, chert, opal;...W 3 mi. and 2 mi. N: (a) at the Marble Springs Quarrygemmy marble (red and green); (b) E, in Taylor...minerals of all mica mines include Almandite garnet, Feldspar, black Tourmaline, etc.); (e) the Alexander and | | | Report (issue) | occurrence Princess sodalite mine Vardy quarry Golding-Keene quarry Egan Chute occurrences York River tactite...tactite zone occurrence Morrison quarry Davis quarry York River corundum occurrence Childs Mine Rankin...Mine Woodcox occurrence Padwell Mine Eagle Lake quarry Crystal Lake fluoborite occurrence Crystal Lake...Tory Hill - Gooderham - Kinmount Hadley granite quarry Canadian All-Metals mine Gibson Road (western)...occurrence Gill quarries Highway 507 road-cut Fraser quarry Nu-World uranium mine Dancey tremolite occurrence | | | Report (issue) | terrains________________ Tyuya-Muyun, Fergana district, Uzbek S.S.R__ Bighorn-Pryor Mountains, Wyoming...carbonate solutions, and uranium oxide (presumably uraninite) does not precipitate from all uraniferous carbonate...here, appear on some joint surfaces and parts of quarry faces in this rock (J\fuilenburg and Keller, 1950;...processes. URANIUM IN HYDROTHERMAL VEINS Large uraninite-bearing veins of hydrothermal origin cut across...sedimentary carbonate rocks in the Shinkolobwe district, Republic of Congo (Thoreau and du Trieu de Terdonck | | | Book (edition) | are found in the igneous rock granite: quartz, feldspar, and mica. However, the crystallization in pegmatites...those of latest formation in granite: potassium feldspar, quartz, and mica. (The minerals found in pagmatites...soda, lithium, and other substances. The potash feldspar becomes unstable and is replaced by albite. Further...economic lithium minerals. (Soda feldspar or albite is the chief feldspar present in these pegmatites.)...iron silicate, near actinolite in composition URANINITE-Uranium oxide URANOPHANE-Hydrous calcium uranium | | | Book (volume) | counties of Lawrence, Meade, Custer and Pennington the land rises abruptly into the 6,000 sq. mi. Black Hills...minesColumbite, Gold, Silver, etc.; and (2) Old Marble Quarry on the Needles Hwy. 5.5 mi. NEScheelite, and deep... E 6 mi., on French Cr., the Scott Rose Quartz QuarryAmblygonite (large yellow crystals), Aquamarine...Parker Peak, all regional breaks, cut banks, washes, land surfacessilicified wood. MINNEKAHTA (RR siding)...jasper; 7.4 mi. to new hwy. Cuts in badlands area, land surfaces to Ngem agate; E 9 mi., at stock dam | | | Journal (issue) | 307 by ]. P. Cassedanne Mineralogy of the Kalkar quarry, Santa Cruz, California..........................Ulrich Burchard on the Kremsmiinster museum in Austria was taken largely from his recent book, Mineral...Minerals Mineral & Needle Craft Creations, Inc. Quarry Enterprises Wallingford, CT Oceanside, NY John...Hyde Park, MD Pawtucket, RI Facet Tool Co. Sea/Land Minerals Oceanside, NY Peekskill, NY Trafford...the w o rld — with special emphasis on Germany, Austria and Switzerland. Articles on the fundamentals and |
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Feldspar quarry, Laas, Fresach, Villach-Land District, Carinthia, Austria