 | | Journal (article/letter/editorial) | | Salzburg, Hellbrunnerstrasse 34/III, A-5020 Salzburg, Austria Corresponding author The Brno Batholith, a part...obvious suprasubduction signature. Three main granite suites, with distinct S-, I-, and A-type affinities...described by Dirnhofer (1996) with Riegler (2000) in Austria, Jelínek and Dudek (1993) with Finger et al. (2000a)... Cenozoic cover Di en do rf Dy Hollabrun Austria Fig. 1 Simplified map of the eastern margin of...resembling geochemically a “Hypothetical Ocean Ridge Granite“ (HORG) according to Pearce et al. (1984). The |  | | Journal (article/letter/editorial) | | character and petrogenesis of a Variscan post-orogenic granite: case study from the evìtín Massif, Moldanubian...Bohemia) three main granite pulses can be distinguished: (1) the oldest, two-mica Detná granite with cordierite...massif), (2) biotitemuscovite evìtín granite (BMG), constituting most of the granite pluton, and (3) fine-grained...fine-grained biotite evìtín granite (BtG) forming only minor bodies. The evìtín granites show transitional...evolved than that of the BMG. The former shows lower SiO2, Na2O, K2O and A/CNK accompanied by higher |  | Žák, Jiří, Verner, Kryštof, Finger, Fritz, Faryad, Shah Wali, Chlupáčová, Marta, Veselovský, František (2011) The generation of voluminous S-type granites in the Moldanubian unit, Bohemian Massif, by rapid isothermal exhumation of the metapelitic middle crust. Lithos, 121 (1) 25-40 doi:10.1016/j.lithos.2010.10.002 | Journal (article/letter/editorial) | | Salzburg, Hellbrunnerstraße 34, A-5020 Salzburg, Austria e Boháčova 866, Prague, 14900, Czech Republic b...magnetic susceptibility (AMS) Bohemian Massif S-type granite LP–HT metamorphism Monazite geochronology Moldanubian...the link between LP–HT metamorphism and S-type granite formation in the Moldanubian unit, Bohemian Massif...describe the intrusive relationships of an S-type granite to its host cordierite-bearing migmatites, superbly...above the brittle–ductile transition prior to the granite emplacement. The U–Pb monazite geochronology combined |  | | Journal (article/letter/editorial) | | Tennessee 37830 rjlauf@msn.com Figure 2. Golden muscovite crystals, to 3 cm, on albite, Galileia, Brazil...Zussman 1962) described nine “common species”: muscovite, paragonite, glauconite, phlogopite, biotite,...(less often) O, Cl, or S. Figure 1. Twinned muscovite (“star mica”) crystals to about 3 cm; Riacho Genipapo...prismatic muscovite crystals, Hiddenite, North Carolina. Specimen about 6 cm wide. Figure 4. Muscovite var...chromphyllite ferro-aluminoceladonite ferroceladonite muscovite nanpingite paragonite roscoelite tobelite KAl(Mg |  | Klein, T., Kiehm, S., Siebel, W., Shang, C.K., Rohrmüller, J., Dörr, W., Zulauf, G. (2008) Age and emplacement of late-Variscan granites of the western Bohemian Massif with main focus on the Hauzenberg granitoids (European Variscides, Germany) Lithos, 102 (3) 478-507 doi:10.1016/j.lithos.2007.07.025 | Journal (article/letter/editorial) | | Abstract The Variscan Hauzenberg pluton consists of granite and granodiorite that intruded late- to postkinematically...medium- to coarse-grained biotite-muscovite granite (Hauzenberg granite II), yielded concordant ages of...Hauzenberg granite I has not been dated. The pressure during solidification of the Hauzenberg granite II was...0.6 kbar using phengite barometry on magmatic muscovite, corresponding to an emplacement depth of 16-18...with pre-existing cooling ages of biotite and muscovite which indicate the Hauzenberg pluton to have cooled |  | | Report (chapter) | | and depth evidence for pre-exhumation joints in granite plutons: fracturing during the early cooling stage...pre-exhumation joints include their spatial distribution in granite bodies, their fracture surface morphology, and...the northern Mr~kotfn Granite (Borgov) early NNE joints propagated while the granite was at a temperature...magma was still being injected, post-dated by thin granite dykes along NNE joints. Evidence for the pre-exhumation...from the geochronological dating of these late-granite dykes (1-2 cm thick) at 324.9 Ma in age, which |  | | Journal (article/letter/editorial) | | (Moldanubian terrain, Austria) Robert Sturm Brunnleitenweg 41, A-5061 Elsbethen, Austria a r t i c l e i...1994), a product of peritectic reactions at the granite source (Wall et al., 1987; Groppo et al., 2013)...Cordierite of gem quality frequently occurs in granite pegmatites, where it usually crystallizes from...south-western Bohemian Massif (Moldanubian terrain, Austria). Chemie Erde - Geochemistry (2016), http://dx...Monotonous series that were intruded by post-Variscan granite bodies (Frasl and Finger, 1991 and references cited |  | | Journal (article/letter/editorial) | | low-T, S-type granite. The magma formed from a metapelitic source, most likely through muscovite dehydration...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...(Fuchs 1976) represents steeply exhumed Variscan lower crust (Schulmann et al. 2009; Franěk et al. 2011)...well constrained by a number of data, including muscovite ages of 326 ± 9 Ma and 338 ± 6 Ma from the Bechyně |  | | Journal (article/letter/editorial) | | both the intrusion of the Ševětín biotite–muscovite granite and the early stage of its brittle deformation...et al. 1995). It is usually subdivided into the lower crustal/upper mantle Gföhl Unit with numerous occurrences...the Gföhl Unit represent vertical extrusions of lower crustal rocks (e.g. Finger et al. 2007; Franěk et...(Moravo–Moldanubian) branches joining in the Waldviertel area (Austria). The eastern branch forms a NNE–SSW trending domal...extends from Český Brod E of Prague to Linz in Austria. On a regional scale, it belongs to a set of conjugate |  | | Journal (article/letter/editorial) | | Wechsel and Molz Valley Areas (Semmering Window), Lower Austria With 1 plate, 18 figures and 2 tables By A....and Long. 15° 56' and 16° 0 1 ' East, in the Lower Austria (NiederÖsterreich). It is bounded to the north...the two above series is that they belong to the Lower East Alpine elements of the Central Alpine zone...work is carried out at the Geological Survey of Austria and at the Petrographic Institute of the University...of mica and garnet-mica schists intruded by a granite, hornblende schist and garnet amphibolites. These |  | | Journal (article/letter/editorial) | | two-mica granites. In Austrian the term Eisgarn granite is used for the twomica granites. The Czech classification...batholith began with the intrusion of a peraluminous granite of the LáseniceDestná subtype (KLECKA et al., 1991;...Címfr and equigranular subtype Mrákotín. This granite melt was inhomogeneous. Granites of this intrusive...second phase of the peraluminous granite melt produced the Eisgarn s.s. granite in the central part of batholith...bodies of F-, P, Rb-, Li-, Sn-, Nb- and Ta-rich muscovite granites (Sejby, Homolka, Nakolice; KLECKA & MATÉJKA |  | | Journal (article/letter/editorial) | | British Isles ENGLAND Bosahan quarry, Carnmenellis, Cornwall, granite (weathered), kaolinite, gibbsite...gibbsite, biotite, chlorite, muscovite, 429 Groverake mine, Rookhope, Weardale, Durham, copper, copiapite,...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 |  | | Journal (article/letter/editorial) | | originated by dehydration melting of muscovite in pT conditions of nearly granite-melt solidus. Introduction The...Sevftín massif comprises biotite granodiorite to granite of the Sevftín type as well as two-mica granites...eastern parts of the massif. Biotite granodiorite to granite of the Sevftín type was studied by AMBROZ (1935)...(1997), revised by René. 1 – granite of the Weinsberg type, 2 – granite of the Lásenice and Destná subtype...Mauthausen type, 4 – granite of the Címfr subtype, 5 – granite of the Mrákotín subtype, 6 – granite of the Zvule |  | | Book | | 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...Geologie und Palaontologie Heinrichstr. 26 8010 Graz Austria Z. MisAR Department of Geology Charles University |  | | Journal (article/letter/editorial) | | time-integrated Rb/Sr ratio, probably remelted lower crustal (?metabasic) rocks, with or without contribution...progressively deeper towards its southern parts in Lower Austria. This is due to a significant late regional...regional tilt, indicated by younging of muscovite ArAr ages towards the South (Scharbert et al. 1997). Given...in its roof of metamorphic units and Variscan granite plutons. Geological setting The KapliceRödl fault...displacement of ca. 17 km (Fig. 2). Evidence from Austria indicates longevity of the 10 Journal of the |  | | Journal (article/letter/editorial) | | Institution Washington, DC 20013 pohwatp@si.edu Muscovite Shannon Canyon, Inyo County, California R ocks...are made up of one mineral, but most, such as granite, are made up of two or more minerals. The members...particular fondness for muscovite. The texture and earth-tone color of muscovite crystals seem to be a...from the old Russian province of Muscovy, where muscovite was used as window glass. In the late eighteenth...to more than 11.0 weight percent (Fleet 2003). Muscovite is one of many phyllosilicates, which are also |  | | Journal (article/letter/editorial) | | Petrography, geochemistry and geochronology of granite hosted rhyodacites associated with a disseminated...mineralization (Arnolz, Southern Bohemian Massif, Austria) Richard Göd 1 & Johannes Kurzweil 2 & Urs Klötzli...rhyodacite dyke intruding a fine grained biotite granite and paragneisses of the South Bohemian Massif,...U/Pb zircon ages of 312 ± 4 Ma for the biotite granite and of 292 ± 4 Ma for the rhyodacitic dykes indicating...of Vienna, Althanstrasse 14, A - 1090 Vienna, Austria 2 Department of Geodynamics and Sedimentology |  | | Journal (article/letter/editorial) | | Geological Sciences, University of Vienna, Vienna, Austria 2 Received August 23, 2004; accepted March 21...chemical compositions of garnet from an orthogneiss–granite–pegmatite complex at Pribyslavice, Moldanubian...(I-type), durbachite (ultrapotassic) and peraluminous granite (S-type), along with granitic pegmatites (Novák...of this region. The Pribyslavice orthogneiss–granite–pegmatite complex belongs to a welldefined discontinuous...and Kr€oner, 1995). The foliated medium-grained muscovite–tourmaline orthogneiss contains rare, randomly |  | | Journal (article/letter/editorial) | | ano Petrology © Springer-Verlag1995 Printed in Austria Trace element chemistry of lithium-rich micas...host lithium-rich micas. Lepidolite and lithian muscovite occur in high-pressure spodumene, low-pressure...pegmatites, lepidolite is generally subordinate to muscovite, in contrast to the lepidolite subtype where lepidolite...typically located farthest away from the parental granite at the extreme margins of the pegmatite population...fractionation trends within lepidolite and lithian muscovite. Trace element chemistry of lithium-rich micas |  | | Journal (article/letter/editorial) | | 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...Moldanubian Zone in south Bohemia, Moravia and Lower Austria. 47 Jana Kotková a b Fs Ky Grt Ky Grt |  | | Journal (article/letter/editorial) | | the granites. These shear zones developed after granite solidification. This allows monitoring the response...The emplacement of the Variscan nappe pile in Lower Austria has been dated at ~340 Ma (U-Pb zircon and monazite...and in the west of southern Bohemia and Upper Austria, suggested by the exposure of the deepest crustal...Mühlzone Alpine Front Pf z ar he ls ah Weinsberg granite Perlgneis Fine-grained granites l e on Müh...Müh N48˚30’ Loc 581 329 ± 10 Ma Schlieren granite Neufelden (post-D2; Haibach and Mauthausen type) |  | | Journal (article/letter/editorial) | | controlling the development of prism faces in granite zircons: a microprobe study* A. Benisek and F....Salzburg, Hellbrunnerstrasse 34, A-5020 Salzburg, Austria Received February 12, 1993 / Accepted May 3, 1993...two common prisms {100} and {110} of accessory granite zircons are strongly influenced by chemical factors...element U, which usually occupies the Zr-sites of granite zircons to some degree, is strongly suspected of...Introduction It is a well established empirical rule in granite petrology that magmatic zircons tend to develop |  | | 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 |  | Zahradník, Jan, Jirásek, Jakub, Starý, Jaromír, Sivek, Martin (2020) Production, Reserves, and Processing of Feldspar and Feldspathoid Rocks in the Czech Republic from 2005 to 2019—An Overview. Minerals, 10 (8) 722 doi:10.3390/min10080722 | Journal (article/letter/editorial) | | In the first place, it is mining by an open pit (quarry) with the use of blasting and subsequent treatment...of contact with the underlying Li-bearing topaz granite. They can be characterized according to the national...approximately 600 × 400 m; it is surrounded by granite [41–43]. This principal granitoid type deposit...of contact with the underlying Li-bearing topaz granite. They can be characterized according to the national...Oldřich dike in the Dolní Bory-Hatě pegmatite district, which was 630 m long and up to 30 m thick, dipped |  | | Book | | feldspar. The whole specimen is called granite. Limestone and granite you will already have heard about....from impurities) only of the mineral calcite. Granite is the bestknown example of a rock consisting of...derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric finds have...of these fourfold axes in all. The considerably lower symmetry of a monoclinic crystal is shown in Fig...crystallographic symmetry of a body may often be lower than its apparent geometric symmetry. In a pyrite |
|
