 | | Journal (article/letter/editorial) |
| PRESS Chemie der Erde xxx (2016) xxx–xxx Contents lists available at ScienceDirect Chemie der Erde journal...(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...phases of cordierite include garnet, biotite, and sillimanite. According to the results obtained from the garnet-cordierite...the P-T field and the stability of coexisting sillimanite. They are subject to a reduction from 0.35 GPa |
 | Kobayashi, Tomoyuki, Hirajima, Takao, Kawakami, Tetsuo, Svojtka, Martin (2011) Metamorphic history of garnet-rich gneiss at Ktiš in the Lhenice shear zone, Moldanubian Zone of the southern Bohemian Massif, inferred from inclusions and compositional zoning of garnet. Lithos, 124 (1) 46-65 doi:10.1016/j.lithos.2010.11.003 | Journal (article/letter/editorial) |
| l i t h o s Metamorphic history of garnet-rich gneiss at Ktiš in the Lhenice shear zone, Moldanubian...equilibrium stages were identified from garnet-rich gneiss at Ktiš in the Lhenice shear zone of the southern...the rock mainly comprises cordierite (Crd), sillimanite (Sil), biotite (Bt), garnet (Grt), quartz (Qtz)...(Xgrs = 0.02). However, pyrope (Prp)-content shows an inverse pattern against Grscontent; i.e., Prp-content...located outside of higher-Grs (Xgrs = 0.27)- and lower-Prp (Xprp = 0.03)-content contours. These observations |
 | 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) |
| clinopyroxene. A further high temperature overprint at lower pressure (ca. 4 kbar) is re¯ected in the development...concordant and yielded indistinguishable results producing an average A. KroÈner (&) Institut fuÈr Geowissenschaften...migmatization and granite magmatism, strongly suggests an important link between these two high temperature...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 |
 | | Journal (article/letter/editorial) |
| in garnet indicative of operation of the reaction An = Grs + Ky + Qtz and geothermobarometric constraints...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 |
 | | Journal (article/letter/editorial) |
| 22 Fig. 1 Geological map of the Waldviertel (Lower Austria) according to Weber and Duyster (1990). The...consists of an internal framework of different units (Gföhl granulite, Raabs unit, Gföhl gneiss and Meisling...is subdivided into a Proterozoic basement (Dobra gneiss) and the mainly metasedimentary upper part (Variegated...It is suggested that the protolith of the Dobra gneiss was a felsic igneous rock (Frasl 1989; Vellmer...(1995) equate the Dobra gneiss with the Moravian Bittesch gneiss. The Dobra gneiss is overlain by the Variegated |
 | | Journal (article/letter/editorial) |
| shear zones, thus the degree of Alpine overprint has an extreme spatial variation. In several metamorphic...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...Sopron Mountains a unique natural laboratory for an empirical study of argon resetting in white mica |
 | | Journal (article/letter/editorial) |
| Geowissenschafien, Montanuniversitiit Leoben,A-8700Leoben,Austria Abstract Several tungsten deposits, fromwhichca...3percent WOawas produced, occur in theOkiepcopper district, South Africa, whichispartofa high-temperature...arecharacterized byMsupperamphibolite-lower granulite facies assemblages (biotite-sillimanite + garnet, _+cordieritc...thewesternpartof the Namadeposits (e.g.,EasternAlps,Austria, H/fill,1975,1977;Raith, qualand Metamorphic Complex...synorogenic granitoids (Nababeep Granite Gneiss, Modderfontein Granite Gneiss) Pre-Kibaran GLADKOP KHURISBERG |
 | | Journal (article/letter/editorial) |
| muscovite – plagioclase – quartz and crosscutting gneiss veins were studied in the Sopron Mountains near...textural domains from both the micaschist and the gneiss veins. Thermobarometry of subsequent garnet generations...orthogneisses of the area. Gneiss veins crosscutting the micaschist show slightly lower peak pressures between...words: high-pressure metamorphism, micaschist, gneiss vein, geothermobarometry, P –T path. Introduction...Draganits 1998) and form the easternmost outcrop of the Lower Austroalpine Unit (Fig. 1 a). The reconstruction |
 | | Report (issue) |
| DIVISION SILLI ANITE Andalusite, Kyanite, Sillimanite By E. R. VARLEY, Ph.D. (Lond.), B.Sc. (Leeds)...SJLLIMANITE Introduction • • • • • • • • The Sillimanite Minerals • • • • • • • Origin and Mode of Occurrence...Requirements, Specifications and Testing of Sillimanite Minerals • • • • • • • • • Production, Marketing...Materials • • • • • 1 2 8 12 15 17 19 25 30 34 SILLIMANITE IN COMMONWEALTH COUNTRIES 39 United Kingdom... .. • 84 • •• 111 PAGE SILLIMANITE IN FOREIGN COUNTRIES Austria Bulgaria Finland France Germany |
 | 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...metamorphic rocks of the Sopron Hills belonging to the Lower Austroalpine tectonic unit. Monazite (and xenotime)...from comparable Lower Austroalpine tectonic units in the region of Birkfeld (Styria, Austria), and the REE...of the Austroalpine basement, belonging to the Lower Austroalpine nappe system (Kisházi and Ivancsics...–sericite –sillimanite –schists with staurolite relics. Biotite – andalusite – sillimanite schists, which |
 | 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) |
| barometry on magmatic muscovite, corresponding to an emplacement depth of 16-18 km. The new data are compatible...different timing of HT metamorphism in northern Austria and the Bavarian Forest is interpreted as being... 1993, 1994; Kalt et al., 2000). During anatexis an incredible amount of melt was generated. Assuming...reported from the Moldanubian unit in Germany and Austria (see Section 5). We greatly benefited from prior...isochrons. A possible danger is the misinterpretation of an obtained U–Pb zircon or monazite age in case of unrecognised |
 | | Journal (article/letter/editorial) |
| garnet-rich rocks with a high content of spessartine are an occasional member of lithological assemblage and...associated rocks documenting an increased oxygen fugacity environment, i.e. rocks with an assemblage Ti-andradite...Novosedly Šebanov lda 20 km Český Krumlov Austria Mo N ath oli th České Budějovice Fig. 1...Mn-rich garnet–quartz rocks. 2. Geological setting gneiss and amphibolite, is assumed to be mainly Neoproterozoic...abundant layers of marble, calc-silicate gneiss, graphite gneiss, quartzite and amphibolite in addition |
 | | Report (issue) |
| mineral occurring in the report area in Precambrian gneiss; this is the first recorded occurrence of wagnerite...oriented parallel to foliation defined by fibrolitk sillimanite.......................................................... 11, 12 13, 14. Prismatic sillimanite cutting wagnerite and other minerals...................15. Corundum containing numerous needles of sillimanite................................................lenses of sillimanite-plagioclase gneiss of Precambrian age. Other minerals in the gneiss are corundum |
 | | 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...a flat foliation defined by sillimanite and biotite. Garnet growth in such an assemblage is possible only...reworking in the flat fabric that involves growth of sillimanite in paragneiss and kyanite-K-feldspar granulite...indicate that kilometre-scale portions of highpressure lower orogenic crust were exhumed to middle crustal levels |
 | | Journal (article/letter/editorial) |
| authors are printed in SMALLCAPITALS,Subjects in lower-case roman, and Localities in italics. The minerals...78o; of abnormal composition, exsolution of sillimanite from, 815. Anorthoclase, Nigeria, opt., 37o....BURCESS (A. S.), Computerized data processing from an X-ray texture goniometer, 428. Aucoa~r (J. W.) and...Zealand, grandidierite, 615. Blende, Algeria, Austria, Congo, France, Greece Spain, Yugoslavia, cathodoluminescence...Australia, alkali feldspar, anal., d2oi, 489. Bosahan quarry, Falmouth, Cornwall, biotite, 2IO. BOWDEN (P.) |
 | | Journal (article/letter/editorial) |
| leaching. Microstructural relations indicate sillimanite- and K-feldspar-consuming reactions producing...recrystallized quartz-feldspar fabric. Residual sillimanite occurs as minute aggregates armoured by muscovite...or rutile. Concurrent reactions in calc-silicate gneiss interbands resulted in replacement of diopside...amphibolite-facies gneisses and migmatites in sillimanite-K-feldspar zone and some granulite bodies. They...both as retrograde rocks derived from former sillimanite-biotite gneisses (Zelenka 1926) and as prograde |
 | | Journal (article/letter/editorial) |
| removed from their original spatial distribution in an original coherent unit. From the temperature information...Laurasia and Gondwana to produce Pangea resulted in an 8 000 km long and up to 1 000 km wide orogenic belt...more external flysch basins [see Franke (1989) for an overview]. To the north, Variscan rocks overlie Caledonian...1) comprising parts of Czechoslovakia, Poland, Austria and Germany. The block is truncated to the north-east...similar high grade nappes within the Moldanubian of Austria and Czecho- slovakia. On this basis, and following |
 | | Journal (article/letter/editorial) |
| Printed in Austria Petrophysical investigations in the Southern Bohemian Massif (Austria): data-acquisition...Institute of Geophysics, Mining University, Leoben, Austria With 15 Figures Received January 24, 1996; accepted...Zusammenfassung Petrophysikalische Untersuchungen in der siidlichen Bghmischen Masse (Osterreich): Daten-Akquisition...Faktor (Qn) wurden an rund 2600 Bohrkernen (Magmatite und einige Metamorphite) aus der B6hmischen Masse...Graphiksoftware wird eine detailliertere Abgrenzung der einzelnen Gesteine und ihrer Varietaten versucht |
 | | Journal (article/letter/editorial) |
| garnets as sediment provenance indicators of the Lower Carboniferous Culm sediments, Drahany Uplands, Bohemian...The Lower Carboniferous Culm Basin is part of the European Variscan foreland basin. Garnet is an abundant...garnet assemblages ranging from the Protivanov to lower part of the Myslejovice Formation (Goniatite zones...the Bohemian Massif have usually higher Ca and/or lower Mg contents. The major and trace element compositions...Keywords: Garnet chemistry; Trace elements; Granulites; Lower Carboniferous Culm Basin; Provenance; Bohemian Massif |
 | | Journal (article/letter/editorial) |
| 1016/j.oregeorev.2019.01.005 This is a PDF file of an unedited manuscript that has been accepted for publication...among exploration geologists and petrologists to an alternative origin of “metasilica” and “metacarbonate”...raises the question “Quo vadis” pegmatology? It is an amendment to the mainstream geoscientific handling...named by the same author as greywacke-quartzite gneiss. Steiner (1986) treated them as a felsic mobilizate...2018). Therefore some open questions still await an answer and, consequently are dealt with in the current |
 | | Journal (article/letter/editorial) |
| terranes: an example from the Gfohl ¨ gneiss–granulite association in the Moldanubian Zone, Austria R.A. Cooke...Salzburg, Hellbrunnerstraße 34, A-5020 Salzburg, Austria Institut fur ¨ Geowissenschaften, Mineralogie-Petrologie...P–T rocks are often found preserved within an apparently lower grade gneissose matrix. Resolving the true...comparisons can be made. Within the Gfohl ¨ Unit in Austria, an integral part of the Moldanubian Zone of the...found intercalated within the voluminous Gfohl ¨ gneiss. Calculated P–T conditions for the granulites indicate |
 | | Journal (article/letter/editorial) |
| Saualpe crystalline basement (Eastern Alps, Austria) G. HA BLER AN D M. TH OÈ N I Institut fuÈr Geologie,...Vienna, Geozentrum, Althanstraûe 14, A-1090 Vienna, Austria (e-mail: Gerlinde.Habler@univie.ac.at) ABSTRACT...lagioclase±sillimanite±quartz), which occur as relics in kyanite±garnet, two-mica gneiss, yielded 600...Sm±Nd-dating of magmatic garnet from the pegmatite gneiss yielded 249¡3 Ma, which is interpreted to represent...high-pressure metamorphism, this Permo±Triassic age also sets an upper age-limit to the eclogite facies metamorphic |
 | | Journal (article/letter/editorial) |
| 15, 203–222 Evolution of Moldanubian rocks in Austria: review and synthesis K . PE T R AK A KI S Institute...Vienna, Austria (Konstantin.petrakakis@univie.ac.at) A B S TR A CT The Moldanubian zone in Austria comprises...the Moravian zone. The range c. 340–335 Ma is the lower limit for completion of tectonic activity in the...of the early granitoid types took place in the lower crust in connection with the Hercynian high-grade...overprint. The Moldanubian Monotone series in Austria is separated from the other Moldanubian units by |
 | | Journal (article/letter/editorial) |
| et al. 1982), Zambia (áèek Vrána 2002) and Austria (Ertl et al. 1997, Kalt et al. 2001). They are...documented by abundant relics of granulitic fabrics; (ii) an amphibolite facies shear regime D2 (Synek Olivierová...gave T ~ 670 °C and P ~ 14 kbar for migmatitic gneiss. Anatexis producing kyanite-bearing leucosome was...whole outcrop, cuts massive migmatized biotite gneiss. The veinlet is locally folded, generally WNW-trending...about 1 cm thick, crosscutting the host biotite gneiss. Pegmatite veinlets of the AB-BBe subclass from |
 | Racek, M., Štípská, P., Pitra, P., Schulmann, K., Lexa, O. (2006) Metamorphic record of burial and exhumation of orogenic lower and middle crust: a new tectonothermal model for the Drosendorf window (Bohemian Massif, Austria) Mineralogy and Petrology, 86 (3) 221-251 doi:10.1007/s00710-005-0111-7 | Journal (article/letter/editorial) |
| Metamorphic record of burial and exhumation of orogenic lower and middle crust: a new tectonothermal model for...for the Drosendorf window (Bohemian Massif, Austria) M. Racek1;3 , P. Štı́pská2;4 , P. Pitra3 , K. Schulmann2...section through orogenic lower and middle crust overthrust by a second lower-crustal complex was distinguished...Bohemian Massif. This indicates the existence of two lower-crustal ‘‘autochthonous’’ extrusions into middle...compatible with the model of ‘‘allochthonous’’ lower crustal klippen remaining after flat thrusting of |
