 | | 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...Ivancsics 1985 a, 1987, 1989) belonging to the Grob gneiss unit of the Lower Austroalpine nappe-system. Draganits...Garnet-bearing chlorite – muscovite – quartz schist is widespread, but Mg– chlorite – muscovite – quartz schist...are associated with garnet-bearing chlorite – muscovite – paragonite – quartz schists which may contain |  | | Journal (article/letter/editorial) | | Alpine metamorphism in the Sopron Mountains, but muscovite and biotite do not show complete argon resetting...closure temperatures (around 550 C) for Ar in muscovite and biotite in a dry metamorphic environment,...Mountains: BK Brennberg, Kovács árok; OQ Oromveg Quarry; Br Brennberg; V€o V€or€oshid; SR SR-1 borehole;...Deákkut; Vá Váris; Kh Kopháza; VQ Vashegy Quarry Argon and fission track dating 193 Variscan...the same crystalline slab (sometimes in the same quarry) a completely Alpine mineral paragenesis was formed |  | Nagy, Géza, Draganits, Erich, Demény, Attila, Pantó, György, Árkai, Péter (2002) Genesis and transformations of monazite, florencite and rhabdophane during medium grade metamorphism: examples from the Sopron Hills, Eastern Alps. Chemical Geology, 191 (1) 25-46 doi:10.1016/s0009-2541(02)00147-x | Journal (article/letter/editorial) | | Universität Wien, Althanstrasse 14, A-1090 Vienna, Austria Abstract Electron microprobe studies on the age...gnagy@sparc.core.hu (G. Nagy). 0009-2541/02/$ - see front matter D 2002 Elsevier Science B.V. All rights...tectonic units in the region of Birkfeld (Styria, Austria), and the REE minerals from lazulite veins in the...Draganits, 1996). Kyanite –leuchtenbergite – muscovite quartzites (‘‘grey quartzites’’, Kisházi and...dominated by the quartz –plagioclase – K feldspar – muscovite –biotite( –garnet) assemblage; however, the sericite |  | | Journal (article/letter/editorial) | | chloritoid – biotite – muscovite – plagioclase – quartz and crosscutting gneiss veins were studied in...textural domains from both the micaschist and the gneiss veins. Thermobarometry of subsequent garnet generations...obtained from the massive orthogneisses of the area. Gneiss veins crosscutting the micaschist show slightly...words: high-pressure metamorphism, micaschist, gneiss vein, geothermobarometry, P –T path. Introduction...(1998). Sampling points 1-Kovács-árok, 2-Oromvég quarry. termined based on phengites with silica content |  | | Journal (article/letter/editorial) | | Geology of Kirchberg am Wechsel and Molz Valley Areas (Semmering Window), Lower Austria With 1 plate, 18...Long. 15° 56' and 16° 0 1 ' East, in the Lower Austria (NiederÖsterreich). It is bounded to the north...metamorphic rocks belonging to two major series, Grob Gneiss serie and Wechsel serie, account for the most of...work is carried out at the Geological Survey of Austria and at the Petrographic Institute of the University...more recent investigations concern with the Grob Gneiss series around St. Jakob (Steiermark) (WIENEDER |  | 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) | | metamorphic leucophyllites, mainly composed of quartz, muscovite/phengite and Mg-chlorite, occur in several localities...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 |  | | Journal (article/letter/editorial) | | Gilgen Windows Alps-The Hallein District I . Alps-The Hallein District II . Alps-The Lammertal and Gosau...7: Schieferhulle and Gneiss-lamellae of the Molltal ... Day 8: The Central Gneiss Day 9: Altkristallin...eiss-lamella (4) at Raufen (Day 7) ... T he Central Gneiss nea r the Reisseck hut (Day 8) .. . The geology...Geologists' Association 1966 Field Meeting in Austria. The form of the orig inal Guide has been retained...of one of the numerous good tourist guides to Austria. The present Guide is intended for use in conjunction |  | | Journal (article/letter/editorial) | | coastal sabkha to the alluvial fan. Chromium muscovite, Cr smectite, and Cr chlorite formed at the brink...with the leading raw materials sand plus gravel, quarry and dimension stones and limestones used for the...(Fig. 1). It has to be noted that among the term quarry and dimension stones there are also some hidden...Thüringer and Frankenwald the allochthonous Münchberg Gneiss Complex was emplaced (Fig. 3). The MGC is made...extending from Belgium, in the West, through the Ruhr District, Germany, to the Upper Silesian Coal Basin, Poland |  | | 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...from a metapelitic source, most likely through muscovite dehydration melting. With respect to its low-T...origin and the abundance of tourmaline, the Blaník gneiss is exotic within the spectrum of Early Palaeozoic...Salzburg, Hellbrunnerstrasse 34, A-5020 Salzburg, Austria helpful for terrane correlations and palaeogeographic |  | | Journal (article/letter/editorial) | | Sopron-FertoÈraÂkos area of W. Hungary contains Mg-chlorite-muscovite-quartzphyllites (leucophyllite) and Mg-chlorite-bearing...isocon plots with Mg-enrichment even in sheared gneiss not in contact with leucophyllite. The metasomatic...about the metasomatic alteration of the overlying gneiss-micaschist complexes. Introduction A. DemeÂny...responsibility: W. Schreyer Magnesium-chlorite-muscovite-quartz-phyllites (traditionally called ``leucophyllite''...(or associated with) shear zones in micaschist-gneiss complexes, they are strongly enriched in Mg compared |  | | Journal (article/letter/editorial) | | striJverite, 605 British Isles ENGLAND Bosahan quarry, Carnmenellis, Cornwall, granite (weathered), kaolinite...kaolinite, gibbsite, biotite, chlorite, muscovite, 429 Groverake mine, Rookhope, Weardale, Durham, copper...fluorite, 4Ol Hazlehead quarry, Penistone, muscovite, I76 Hepworth Iron Co. quarry, Hazlehead, Penistone...Limeworks quarry, Linton, fluorite, 4oi WALES(Cymru) Dorothea slate quarry, Nantlle, muscovite, chlorite...CO2metamorphosed lavas, ankerite, chalybite, 119 Binhill quarry, Cairnie, Huntly, Aberdeenshire, tacharanite, scawtite |  | | Report (issue) | | No. 61 GEOLOGY OF THE STONE MOUNTAIN-LITHONIA DISTRICT, GEORGIA By Leo Anthony Herrmann ATLANTA 1 9...No. 61, "Geology of the Stone MountainLithonia District, Georgia". This report was prepared by Dr. Leo...__________ . __________________ _ Location of the District .. _________ ·------------------------- __ _ Physiography...-------------·.. ·----------------- _ Lithonia gneiss ____________________ _ Metamorphic Rocks ________________________...----· Garnet-mica schist and muscovite quartzite __ .___ Biotite gneiss ----------------------·-· -- |  | | Journal (article/letter/editorial) | | Alps occurring along shear zones within granitic gneiss, as well as metaevaporitic rocks from Sar e Sang...protolith and its initial relationship to the enclosing gneiss. Following the recent recommendations of the International...inclusions within zircon: tlc and ky l. Phengite gneiss (17473; Fig. 2, A–B) qtz, phe, pl, bt, ep/aln,... chl, ap, ttn, ilm, zrn m. Biotite–phengite gneiss (15616, 15618, 15619, 15620, 17469, 17688, 17465)...tur, rt, ttn, zrn 2. Quarry ~ 1 km NW Parigi/Case Ramello Biotite–phengite gneiss (17684) qtz, ab, Kfs |  | | Journal (article/letter/editorial) | | (Moldanubian terrain, Austria) Robert Sturm Brunnleitenweg 41, A-5061 Elsbethen, Austria a r t i c l e i...a c t A medium-scale shear zone exposed in the gneiss rocks of the South-western Bohemian Massif (Moldanubian...occurrences. As outlined in numerous publications (see review in Deer et al., 1992; Bertoldi et al., 2004)...south-western Bohemian Massif (Moldanubian terrain, Austria). Chemie Erde - Geochemistry (2016), http://dx...migmatites and gneisses, and the Drosendorf unit, a gneiss complex with marbles, calc-silicates, and amphibolites |  | | Journal (article/letter/editorial) | | University of Graz, Universitaetsplatz 2, A-8010 Graz, Austria 2 OREA, Institute for Oriental and European Archaeology...of Sciences, Hollandstrasse 11-13, A-1020Wien, Austria e-mail: christian.ademeit@student.tugraz.at The...of Vienna, Althanstraße 14 (UZA II), 1090 Wien, Austria Institute of Geology of Ore Deposits, Petrography...Leoben, Peter-Tunner-Straße 5, A-8700 Leoben, Austria Department of Geology, Shahid Chamran University...University of Graz, Universitätsplatz 2, A-8010, Graz, Austria e-mail: thomas.angerer@uibk.ac.at 1 2 Sphalerite |  | | Journal (article/letter/editorial) | | biotite augen gneiss biotite augen gneiss granite gneiss tonalite gneiss biotite augen gneiss tonalite gneiss...tonalite gneiss tonalite gneiss tonalite gneiss biotite augen gneiss granite gneiss granite gneiss biotite...augen gneiss alkali syenite biotite augen gneiss granite gneiss granite gneiss tonalite gneiss tonalite...tonalite gneiss granite gneiss biotite augen gneiss biotite augen gneiss granite gneiss biotite augen gneiss...and Sr contents are only accurate to approx. 5% (see Pankhurst and O'Nions, 1973). Errors on 8VRb/S6Sr |  | Ertl, Andreas, Mali, Heinrich, Schuster, Ralf, Körner, Wilfried, Hughes, John M., Brandstätter, Franz, Tillmanns, Ekkehart (2010) Li-bearing, disordered Mg-rich tourmaline from a pegmatite-marble contact in the Austroalpine basement units (Styria, Austria) Mineralogy and Petrology, 99 (1) 89-104 doi:10.1007/s00710-009-0082-1 | Journal (article/letter/editorial) | | contact in the Austroalpine basement units (Styria, Austria) Andreas Ertl & Heinrich Mali & Ralf Schuster &...Austroalpine basement units (Rappold Complex) in Styria, Austria, are characterized. All these Mg-rich tourmalines...Universität Wien, Althanstrasse 14, 1090 Vienna, Austria e-mail: andreas.ertl@a1.net E. Tillmanns e-mail:...Montanuniversität Leoben, Peter-Tunner-Strasse 5, 8700 Leoben, Austria e-mail: heinrich.mali@unileoben.ac.at R. Schuster...Geologische Bundesanstalt, Neulinggasse 38, 1030 Vienna, Austria e-mail: ralf.schuster@geologie.ac.at W. Körner |  | | Book | | DITIMAR Institut fur Geologie Universitat Wurzburg Am Hubland 97074 Wurzburg Germany A. DUDEK J. CHAB...Salzburg Hellbrunnerstr. 34lIII 5020 Salzburg Austria P.A. FLOYD Department of Geology University of...Salzburg Hellbrunnerstr. 34/III 5020 Salzburg Austria H.J. FRANZKE Geologisches Institut Leibnizstr...Graz Austria G. FUCHS Geologische Bundesanstalt Wien Rasumowsky-Gasse 23 - 25 1030Wien Austria P. ...Salzburg Hellbrunnerstrasse 34lIII 5020 Salzburg Austria H. KREUZER Bundesanstalt fUr Geowissenschaften |  | | Journal (article/letter/editorial) | | milkabro@gl.fcen.uba.ar (M.K. de Brodtkorb). 0169-1368/$ - see front matter D 2003 Elsevier B.V. All rights reserved...intermediate metavolcanic rocks, and higher-grade gneiss and migmatite. Two major deformation events characterize...related to the Famatinian cycle occur in the Ambul district and also east of the Pampa del Tamboreo area (Fig...from Sierra del Morro district (near La Toma) in the south to Agua de Ramón district in the north (Fig....associated with stratabound scheelite deposits (see (a) above) are found in the Sierra Grande (Agua de |  | | Journal (article/letter/editorial) | | Salzburg, Hellbrunnerstrasse 34, A-5020 Salzburg, Austria Received February 12, 1993 / Accepted May 3, 1993...been discussed repeatedly during the past years (see review in Speer 1980). Based mainly on observations...the results are, in fact, mostly quite plausible (see e.g. Ohnenst/itter et al. 1981; Neumair et al. 1991...granites and the relevant geological background see Liew etal. 1989; Frasl and Finger 1988, 1991; Finger...i c f a c t o r s o f c r y s t a l g r o w t h (see below), a n d 2. A larger scale chemical zoning, |  | | Journal (article/letter/editorial) | | of the Riebeckite Gneiss from the Area near Gloggnitz in the Graywacke Zone of Austria With 3 text-figures...bestätigt diese Ansicht. Abstract The riebeckite gneiss occurring near Gloggnitz is the biggest of the...the 14 occurrences in the Graywacke Zone of Austria. This body occurs within the Silbersberg serie of the...the Graywacke Zone of Upper Eastalpine of Austria. The Silbersberg serie, together with the quartz porphyroids...the Noric Nappe (Norische Decke). The riebeckite gneiss shows a more or less concordant relation to the |  | | Journal (article/letter/editorial) | | the lake district of northern Italy is referred to as the Tonale or Insubric Line (Fig. 1 ; see Gansser...ages from the two regions are distinctly different (see for example J~ger et al., 1967). Although the term...r isochron from i n d i v i d u a l b a n d e d gneiss layers a d j a c e n t to t h e u l t r a m a f...e d R b - S r ages of 2 1 6 m . y . (Brissago-muscovite) a n d 1 6 0 m . y . (Ronco-biotite) ( J a g e...et al., 1966). Analytical Techniques Biotite, muscovite and hornblende were separated by standard techniques |  | Garnier, Virginie, Giuliani, Gaston, Maluski, Henri, Ohnenstetter, Daniel, Phan Trong, Trinh, Hoàng Quang, Vinh, Pham Van, Long, Vu Van, Tich, Schwarz, Dietmar (2002) Ar–Ar ages in phlogopites from marble-hosted ruby deposits in northern Vietnam: evidence for Cenozoic ruby formation. Chemical Geology, 188 (1) 33-49 doi:10.1016/s0009-2541(02)00063-3 | Journal (article/letter/editorial) | | 33-3-83-51-17-98. 2 Fax: + 33-4-67-54-73-62. 0009-2541/02/$ - see front matter D 2002 Elsevier Science B.V. All rights...Bai Province (Fig. 1), (2) the Quy Chau mining district, in the Vinh Province located in the large metamorphic...experiments on single grains of phlogopite and muscovite extracted from the enclosing hostrocks of ruby...associated with ruby. The age data for each ruby district are compared and discussed in the light of previous...ruby and sapphire deposits of the Quy Chau mining district (map modified after Phan, 1991; Geological Survey |  | | Journal (article/letter/editorial) | | quartz, feldspar, muscovite, and biotite. All white micas were included under muscovite, and black micas...on the origin and classifica tion of pegmatites, see Hess (1925), Landes (1933), Schaller (1933), and...same quarry (indicating the reproducibility of analyses of different specimens from the same quarry); (3)...discussion of quantitative spectrographic technique, see Brode (1939) and Strock (1936) (cathode-layer method)...analysis diagrams of different specimens from same quarry. AREAL RELATIONSHIPS Granites.—The following elements |  | | Report (issue) | | of Connecticut ___ _ Geology of the Middletown district ___________ _ Rock units ____________________________...characteristics of mica _________________ _ Properties of muscovite _____________________ _ Structural imperfections...County ______________________ _ Berry feldspar quarry __________________ _ Cumberland County _______________________...prospect __________________ _ Bennett feldspar quarry ________________ _ Black Mountain area ___________________...Brown-Thurston beryl prospect __________ _ Bumpus feldspar quarry ________________ _ Donahue mica prospect _________________ |
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