 | | Journal (article/letter/editorial) | | ABsrRAcr The Climax pegmatite of the Micanite district in Colorado contains unusually large masses of...discussed. IurnooucttoN The Micanite pegmatite district iies acrossthe Park-Fremont County line in south-centralColorado...rocks that include granitic gneiss, muscovite gneiss, siliimanite gneiss, mica schist, and biotite granite...grinding quality muscovite were obtained. Within the district ten major quarriesand prospectsare recorded(Fig...Colorado, showing location of the Micanite pegmatite district and the Climax deposit. cordierite, pinite, hematite |  | | Journal (article/letter/editorial) | | 1007/s00710-016-0427-5 ORIGINAL PAPER The Blaník Gneiss in the southern Bohemian Massif (Czech Republic):...Czech Republic. The rocks, known locally as Blaník gneiss, are strongly peraluminous and classify as phosphorus-rich...origin and the abundance of tourmaline, the Blaník gneiss is exotic within the spectrum of Early Palaeozoic...Monotonous Group represent zones of higher and lower heat flow within the Early Palaeozoic northern Gondwana...Salzburg, Hellbrunnerstrasse 34, A-5020 Salzburg, Austria helpful for terrane correlations and palaeogeographic |  | Kröner, A., O'Brien, P. J., Nemchin, A. A., Pidgeon, R. T. (2000) Zircon ages for high pressure granulites from South Bohemia, Czech Republic, and their connection to Carboniferous high temperature processes. Contributions to Mineralogy and Petrology, 138 (2) 127-142 doi:10.1007/s004100050013 | Journal (article/letter/editorial) | | mesoperthite)-rich rocks containing minor garnet, kyanite and rutile, and most show a characteristic mylonitic fabric...clinopyroxene. A further high temperature overprint at lower pressure (ca. 4 kbar) is re¯ected in the development...prevalent. These conditions can be those of a stable lower crustal geotherm or, alternatively, those attained...information pertaining to conditions and processes in the lower continental crust. The most voluminous of the scattered...bodies, like their counterparts in neighbouring Lower Austria, comprise part of the GfoÈhl Unit, the tectonically |  | | Journal (article/letter/editorial) | | coexistence of kyanite, ternary feldspar, garnet and rutile, high grossular content in garnet indicative of...exhumation through vertical extrusion of the orogenic lower crust. Keywords: high-pressure granulites, P–T path...Moldanubian Zone of southern Bohemia, Moravia and Lower Austria, 2 – Saxonian Massif, 3 – Münchberg Massif,...leucogranulite and c – hyperpotassic granulite, Plešovice quarry, Blanský les Massif. lites with similar lithology...Felsic Grt–Opx-bearing HP granulites with slightly lower Si and higher Fe and Ca contents occur only rarely |  | Schantl, Philip, Hauzenberger, Christoph, Finger, Friedrich, Müller, Thomas, Linner, Manfred (2019) New evidence for the prograde and retrograde PT-path of high-pressure granulites, Moldanubian Zone, Lower Austria, by Zr-in-rutile thermometry and garnet diffusion modelling. Lithos, 342. 420-439 doi:10.1016/j.lithos.2019.05.041 | Journal (article/letter/editorial) | | highpressure granulites, Moldanubian Zone, Lower Austria, by Zr-inrutile thermometry and garnet diffusion...high-pressure granulites, Moldanubian Zone, Lower Austria, by Zr-in-rutile thermometry and garnet diffusion modelling...high-pressure granulites, Moldanubian Zone, Lower Austria, by Zr-in-rutile thermometry and garnet diffusion modelling... Jakob-Haringer- Strasse 2a, 5020, Salzburg, Austria School of Earth and Environment, University of...University of Graz, Universitätsplatz 2, 8010, Graz, Austria b b PT Philip Schantl a,*, Christoph Hauzenberger |  | | Journal (article/letter/editorial) | | striJverite, 605 British Isles ENGLAND Bosahan quarry, Carnmenellis, Cornwall, granite (weathered), kaolinite...fluorite, 4Ol Hazlehead quarry, Penistone, muscovite, I76 Hepworth Iron Co. quarry, Hazlehead, Penistone...Swinden Limeworks quarry, Linton, fluorite, 4oi WALES(Cymru) Dorothea slate quarry, Nantlle, muscovite...CO2metamorphosed lavas, ankerite, chalybite, 119 Binhill quarry, Cairnie, Huntly, Aberdeenshire, tacharanite, scawtite...hornblende-schist, laumontite, prehnite, kaolinite, 608 Hagdale quarry, Unst, Shetland, nickel hydroxide and (?) oxyhydroxide |  | | Journal (article/letter/editorial) | | Montanuniversität Leoben, Peter-Tunner-Straße 5, 8700 Leoben, Austria Am 11. April 2014 fand an der Montanuniversität...pegmatitic melts. In particular, fluxes considerably lower melt viscosity and solidus temperature, allowing...pegmatitic melt. Solubility products are systematically lower where both minerals are dissolved together compared...metal-bearing minerals such as Nb-Ta oxides, zircon or rutile (Van Lichtervelde et al. 2011). With various degrees...Montanuniversität Leoben, Peter-Tunner-Straße 5, 8700 Leoben, Austria Abstract The occurrence and chemistry of Nb-Ta |  | | Report (issue) | | mineral occurring in the report area in Precambrian gneiss; this is the first recorded occurrence of wagnerite................ 2 2. Map showing distribution of rutile-bearing light-colored gneisses in the Santa Fe...wagnerite poikiloblastically enclosing rows of rutile grains..................................................................... 13 16. Corundum and rutile along grain boundaries of wagnerite..............sillimanite-plagioclase gneiss of Precambrian age. Other minerals in the gneiss are corundum, rutile, pale-brown |  | | Journal (article/letter/editorial) | | from the Saualpe and the Koralpe (Eastern Alps, Austria): chronological and P–T constraints on the thermal...Wien, Geozentrum, Althanstraße 14, A-1090 Wien, Austria 2 Institut für Mineralogie und Petrographie, Universität...Universität Innsbruck, Innrain 52, A-6020 Innsbruck, Austria A B S TR A CT Garnets from recrystallized, staurolite-...The Saualpe and Koralpe crystalline series in SE Austria represent the easternmost parts of the greater...into a more or less static recrystallization at lower pressures with only minor retrograde Fig. 1. Geological |  | | | | groups are included. Corundum, spinel, cuprite, rutile, cassiterite, calcite, aragonite, dolomite, siderite...black, black), p. 66 chromite (black), p. 80 rutile (brown, dark red brown), p. 118 chromite, p. 80...72 ilmenite (red to brownish black), p. 78 12 rutile (reddish brown), p. 118 Beginner's Guide to Minerals...Fine marble (p. 294) quartzite (p. 294) granite gneiss (p. 290) quartzite (p. 296) Beginner's Guide to...schist (p. 286) quartzite (p. 286) Dark amphibole gneiss (p. 280) slate (p. 284) serpentinite (p. 298) |  | | Journal (article/letter/editorial) | | coupled with decrease of Na and Fe contents from the gneiss to the leucophyllite. Minor elements and REE do...observation of gradual mineralogical changes from the gneiss to the leucophyllite. The metasomatic origin was...1985 a, 1987, 1989) belonging to the Grob gneiss unit of the Lower Austroalpine nappe-system. Draganits (1998)...metamor- 4 K. Török phism was recorded in the Lower Austroalpine Unit in the eastern end of the Eastern...garnet, clinozoisite, epidote, chlorite, ilmenite, rutile, monazite, apatite and are associated with garnet-bearing |  | | Book | | tiideto the THREE PHASES OF TITAN Rutile Anatase Brookite RobertJ. Lauf Г About the Author he author...of rEarth ScienceMonographs Volume б Lauf 4880 Lower Valley Road, Arglen, Pennsylvania 19310 Other...publisher: Published by Schiffer Publishing Ltd. 4880 Lower Valley Road Atglen, PA 19310 Phone: (610) 593-1777;...three common titanium dioxide minerals, namely, rutile, anatase, and brookite. For completeness, mention...world, making it of great interest to collectors. Rutile is of some interest to the lapidary artist as well |  | | Journal (article/letter/editorial) | | hosted by fine-grained quartz – biotite – garnet gneiss. He did not present a discussion of the origin...veins of Hiddenite resemble the “Alpine clefts” of Austria, and thus proposed that the veins at Hiddenite...that includes strongly foliated quartz–biotite gneiss and biotite schist interlayered with massive, green...assemblage contains quartz, albite, beryl, muscovite, rutile, dolomite, calcite and siderite, (2) a spodumene-bearing...thick. Crystals of quartz, calcite, pyrite and rutile are commonly found on the surface of or included |  | | Journal (issue) | | 1945 CONTENTS FOR AUGUST, 1945 CH1PS FROM THE QUARRY .................................................··················· CORRELATION OF THE FORDHAM GNEISS. By Tho,nas W. Fluhr ............ KILAUEA CRATER............................ PECULIAR TWINNING IN RUTILE FROM BRAZIL. By C.R. Toothaker .... SEMI-PRECIOUS...o o a O O O O *-LL!' O 00 CHIPS FROM THE QUARRY e e e e o o o e o e o o e e o o o +as e o e o o...Mi11eral1 visited the ridge one mile south of Brinton's quarry where garnets up to onehalf inch diameter have |  | Chen, Yi-Xiang, Demény, Attila, Schertl, Hans-Peter, Zheng, Yong-Fei, Huang, Fang, Zhou, Kun, Jin, Qi-Zhen, Xia, Xiao-Ping (2020) Tracing subduction zone fluids with distinct Mg isotope compositions: Insights from high-pressure metasomatic rocks (leucophyllites) from the Eastern Alps. Geochimica et Cosmochimica Acta, 271. 154-178 doi:10.1016/j.gca.2019.12.025 | Journal (article/letter/editorial) | | of samples from metagranite through transitional gneiss to leucophyllite in Hungary shows two trends in...values firstly decrease from -0.64‰ to -1.30‰ during gneiss formation, and then increase to 0.29‰ during leucophyllite...values firstly decrease from -0.29‰ to -0.89‰ during gneiss formation, and then remain constant during leucophyllite...leucophyllite formation. Two leucophyllites in Austria exhibit higher 26Mg values of 0.05 to 0.09‰ compared...the Austroalpine basement, which belong to the Lower Austroalpine nappes (Kisházi and Ivancsics 1985; |  | | Journal (article/letter/editorial) | | exhumation of lower orogenic crust, or whether smaller portions of higher-pressure lower crust were combined...combined with a lower-pressure matrix. Kyanite-K-feldspar granulite shows peak conditions of 16.5 kbar...indicate that kilometre-scale portions of highpressure lower orogenic crust were exhumed to middle crustal levels...a model of heterogeneous vertical extrusion of lower crust into middle crust, followed by sub-horizontal... where high-pressure lower-crustal boudins are embedded in an apparently lower-pressure effectively horizontal |  | | Catalog/List | | grey-white crystals on 2x3.5 inch surface. (Croft Quarry,Leicestershire) £5 ANATASE sharp black single crystal...on the surface, on feldspar. (Globe Mine.Petaca District, Rio Arriba County, new Mexico) £15 b) smaller...top, light brown fibrous on the edges. (Merehead Quarry, Mendips) 2x2.5 £4 HELVITE quite rich light brown...rich black xlline mass in matrix (Laytonville District,Mendocino County, California USA) 2x3 £ 16 bY...feldspar is slightly weathered. 5x2,5 (Shap granite quarry Cumbria) £12 PECTOLITE good covering of white radiating |  | Janoušek, Vojtěch, Finger, Fritz, Roberts, Malcolm, Frýda, Jiří, Pin, Christian, Dolejš, David (2004) Deciphering the petrogenesis of deeply buried granites: whole-rock geochemical constraints on the origin of largely undepleted felsic granulites from the Moldanubian Zone of the Bohemian Massif. Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 95 (1). 141-159 doi:10.1017/s0263593300000985 | Journal (article/letter/editorial) | | throughout the Variscan Zone in Europe. KEY WORDS: Austria, Czech Republic, high-grade metamorphism, Nd isotopes...Bohemian Massif, namely from the Moldanubian (Lower Austria and southern Czech Republic; Fig. 1) and the...Bohemian Massif, shared by the Czech Republic and Austria, the Moldanubian Zone consists of several crustal...southern Bohemia, south-western Moravia and Lower Austria (simplified from the Czech Geological Survey...determinations) are shown. subdivided into a structurally lower, mainly metasedimentary, amphibolite-facies Drosendorf |  | | Journal (article/letter/editorial) | | throughout the Variscan Zone in Europe. KEY WORDS: Austria, Czech Republic, high-grade metamorphism, Nd isotopes...Bohemian Massif, namely from the Moldanubian (Lower Austria and southern Czech Republic; Fig. 1) and the...Bohemian Massif, shared by the Czech Republic and Austria, the Moldanubian Zone consists of several crustal...southern Bohemia, south-western Moravia and Lower Austria (simplified from the Czech Geological Survey...determinations) are shown. subdivided into a structurally lower, mainly metasedimentary, amphibolite-facies Drosendorf |  | | Report (issue) | | 111 PAGE SILLIMANITE IN FOREIGN COUNTRIES Austria Bulgaria Finland France Germany 85 • • • •...pyrophyllite, pure white, opaque and enamel-like; and rutile shows up as distinct reddish-brown grains. Limonite...Henry Knob deposit, as well as others in the same district, is thought to have been formed by the metamorphism...unworked kyanite schists of the Koralpe in southern Austria average 15 to 20 per cent. kyanite with local concentrations...of these sands, the fact that ilmenite, zircon, rutile and monazite are also present making up to 75 per |  | | Journal (article/letter/editorial) | | exploration target Messelingscharte (Eastern Tyrol, Austria) is located in vicinity of the world-class Felbertal...Montanuniversität Leoben, Peter-Tunner Straße 5, 8700 Leoben, Austria 2 Present address: Watersmeet Place, Green Lanes...und Hütten AG, Bergla 33, 8543 St. Martin i.S, Austria Tauern Window, which were intruded by numerous...several Variscan metagranitoids (e.g., Granatspitz gneiss, Felbertauern augengneiss), pre-Variscan to Variscan...Alps (Schmid et al. 2004, 2013). The Granatspitz Gneiss is a peraluminous S-type meta-granite forming a |  | | Journal (article/letter/editorial) | | and Namibian schorl, Panasqueira ferberite, and rutile, especially that from Graves Mountain, Georgia...other aesthetic qualities may carry equal weight. Rutile in particular is clearly appreciated for its crystal...schists; and alpine-type pockets. The Graves Mountain rutile nominated for this issue’s Connoisseur’s Choice...Choice is a fitting ambassador for this species. All rutile is not black; in fact, its name is derived from...of dark blue and green; synthetic rutile can be colorless. Even rutile that appears to be thoroughly black |  | | Journal (article/letter/editorial) | | furnished noteworthy specimens OJ gems is the Golconda district, about 50 kilometers to the northwest. The city...Figure 3. Location of Pedreira Atalaia (the Sentinel quarry) near Governador Valadares, Minas Gerais, Brazil...considerable interest when, in the summer of 1990, in a quarry at the foot of Ibituruna, a large cavity was discovered...rock for construction purposes and road metal. The quarry in question is the westernmost of these, not far...Atalaia (Sentinel quarry). It is owned by Dr. Joaquim A. Leiio. The face of the quarry runs east-west and |  | Janoušek, V., Krenn, E., Finger, F., Míková, J., Frýda, J. (2007) Hyperpotassic granulites from Blanský les (Moldanubian Zone, Bohemian Massif) revisited. Journal of GEOsciences, 52 (1-2) 73-112 | Journal (article/letter/editorial) | | Salzburg, Hellbrunnerstraße 34, A-5020 Salzburg, Austria * Corresponding author 2 In the Blanský les granulite...apatite and zircon. In the rock occur also Zr–Nb-rich rutile and much rarer primary monazite; originally LREE-rich...granulites in South Bohemia, Western Moravia and Lower Austria (Fig. 1a–b) have attracted, their genesis still...garnet-bearing hyperpotassic granulites from the Plešovice quarry. He concluded that these rocks could be products...Bohemian Massif, shared by the Czech Republic and Austria, the Moldanubian Zone consists of several crustal |  | | Journal (article/letter/editorial) | | Complex Regensburg 0 - 80 km WIEN L . AUSTRIA I c Fig. 1. Simplified M’uianskt L&i: geology...Massif showing Complex; (3) Oberpfalz; (4) Lower Austria. the major subdivisions sillimanite + K-feldspar...overlying the Palaeozoic series as in the Miinchberg Gneiss Massif or tectonically underlying them as is the...of the Moldanubicum in Bohemia, Moravia and Lower Austria (Fuchs, 197 1; Tollmann, 1982; Matte et al....locations outside the Gfohl nappe in the Bavarian and Lower Austrian parts of the Moldanubian Zone. 3. Sample |
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Gneiss quarry, Ebersdorf, Klein-Pöchlarn, Melk District, Lower Austria, Austria