 | | Journal (article/letter/editorial) | | NE Bavaria, Germany Received: 30 June 1994/Accepted: 20 December 1994 Abstract The Leuchtenberg granite...granite (Oberpfalz, NE Bavaria) displays a continuous differentiation trend ranging from mildy peraluminous...to 1000) yield a younger date of 317 + 2 Ma with an enhanced initial 8VSr/S6Sr ratio of 0.7146 + 0.0039...as approaching the crystallization age of the Leuchtenberg granite. The K-Ar age progression within the...GeoForschungsZentrum Potsdam, Telegrafenberg, D-14473 Potsdam, Germany Editorial responsibility: J. Hoefs and K-Ar dating |  | | Journal (article/letter/editorial) | | Springer-Verlag 1971 Garnet-Cordierite-Biotite Equilibria in the Steinach Aureole, Bavaria MARTn~ 0Y~RUSCH Mi...Mineralogisch-Petrographisches Institut der Universit~t zu KSln (Cologne, Germany) Received May 14, 1971 Abstract...eleven garnet-cordierite-biotite triplets from the Steinach aureole (Oberpfalz, North-East Bavaria) were analyzed...analyzed using an electron probe microanalyzer. The regional metamorphic mnscovite-biotite schists contain...the aureole is small, virtually unzoned, and has an average composition of almandine 52 - - spessartine |  | | Journal (article/letter/editorial) | | 22, 32--72 (1969) Die Gneishornfelse um Steinach in der Oberpfalz Eine phasenpetrologische Analyse*...Analyse* MARTIN 0KRUSCH Mineralogisches Institut der Universit~t Wfirzburg und Department of Geology and Geophysics...Gneiss-horn/elses o/ Steinach, Oberp/alz (Bavaria) Abstract. The southern margin of the Leuchtenberg granite massive...hornfelses containing andalusite, sillimanite, cordierite, and almandine. Before the intrusion of the granite...produced the assemblage : Muscovite -- andalusite ~- cordierite ~- biotite ~- quartz -[- plagioclase, corresponding |  | Siebel, W., Trzebski, R., Stettner, G., Hecht, L., Casten, U., Höhndorf, A., Müller, P. (1997) Granitoid magmatism of the NW Bohemian massif revealed: gravity data, composition, age relations and phase concept. Geologische Rundschau, 86. doi:10.1007/pl00014665 | Journal (article/letter/editorial) | | granitoids of the NW Bohemian massif (northeast Bavaria, west Bohemia) constitute four partly contiguous...GeoForschungsZentrum, Telegrafenberg D-14473 Potsdam, Germany Fax:#0331 288 1645 E-mail: siebel@gfz-potsdam.de...Geologie und Dynamik der Lithosphäre, Goldschmidtstr. 3, D-37077 Göttingen, Germany G. Stettner Rossteinstr...Rossteinstr. 8, D-83607 Holzkirchen, Germany L. Hecht Lehrstuhl für Angewandte Mineralogie und Geochemie...München, Lichtenbergstr. 4, D-85747 Garching, Germany U. Casten Institut für Geophysik, Ruhr-Universität |  | | Journal (article/letter/editorial) | | biotite—hornblende gneisses, and intruded by the Leuchtenberg granite. Pelitic index assemblages define the...estimated at P"5—9.6 kbar and T"580—730 °C, and the cordierite zone of subsequent low-pressure metamorphism...observable trace of a field gradient in the ZEV. An early sillimanite generation (sillimanite I) is found...Darmstadt, Schnittspahnstr. 9, D-64287 Darmstadt, Germany Fax: # #49 6151 164628 E-mail: schulte@hrz.hrz1...hrz1.th-darmstadt.de low-pressure cordierite rocks are similar to metapelites framing the Winklarn eclogites |  | | Journal (article/letter/editorial) | | Origin of late Variscan granitoids from NE Bavaria, Germany, exemplified by REE and Nd isotope systematics...Zentrum Potsdam. Telegrafenberg, D-14473 Potsdam, Germany b Federal Institute for Geosciences and Natural...Natural Resources, Stilleweg 2, D-30655 Hannover, Germany Received 15 November 1994; accepted 2 June 1995...Fichtelgebirge (FG) and Northern Oberpfalz (NOP), NE Bavaria. The data, combined with a number of earlier geochronological...crust in the generation of the granitoids. The Leuchtenberg granite and the G2 and G3 granites yield late |  | Siebel, W., Breiter, K., Wendt, I., H�hndorf, A., Henjes-Kunst, F., Ren�, M. (1999) Petrogenesis of contrasting granitoid plutons in western Bohemia (Czech Republic) Mineralogy and Petrology, 65 (3) 207-235 doi:10.1007/bf01161961 | Journal (article/letter/editorial) | | GeoForschungsZentrum, Potsdam, Federal Republic of Germany 2 Czech Geological Survey, Prague, Czech Republic...Geowissenschaften und Rohstoffe, Hannover, Federal Republic of Germany 4Institute of Rock Structure and Mechanics, Academy...pluton is strongly peraluminous, comprising a cordierite-biotitc granitoid (CBG), the Rozvadov granite...unterschiedliche magmatische Entwicklungen nahelegen. Der Bor Pluton umfal3t metalumine Tonalite und Quarzdiorite...alumine, gangbildende Leukomonzogranite (Bor III). Der WaidhausRozvadov Pluton besitzt stark peralumine |  | | Journal (article/letter/editorial) | | pegmatites; pink andatusite from the Steinach aureole, Bavaria, contains up to 3.5% FezO3.The influence...Mineralogisches lnstitut der Uni~ersitiit Wiirzburg, Plew~,ertor strasse 34, 87 Wiirzburg, Germany. B.W. Evans, Department...discovery of high-iron andalusite in the Steinach aureole, Bavaria, and, unlike the studies of Albee & Chcdcs...Specimens have been taken from aureoles at Steinach (Oberpfalz, Bavaria), Fanad(Donegal, Ireland), Cashel (Connemara...s i n v e s t i g a t e d Aureole: Specimen: Steinach Op- Op- 163 Op- Op- 164 157 170 SM- Fanad |  | | Journal (article/letter/editorial) | | chemistry of Variscan-type pegmatite systems (SE Germany) With special reference to structural and chemical...chemistry of Variscan-type pegmatite systems (SE Germany) With special reference to structural and chemical...1016/j.oregeorev.2017.11.016 This is a PDF file of an unedited manuscript that has been accepted for publication...chemistry of Variscan-type pegmatite systems (SE Germany) - With special reference to structural and chemical...Leibniz University, Welfengarten 1 D-30167 Hannover, Germany Abstract: The geology of pegmatite systems encompasses |  | Seidel, Eberhard, Okrusch, Martin, Kreuzer, Hans, Raschka, Helmut, Harre, Wilhelm (1976) Eo-Alpine Metamorphism in the Uppermost Unit of the Cretan Nappe System — Petrology and Geochronology. Contributions to Mineralogy and Petrology, 57 (3) 259-275 doi:10.1007/bf03542937 | Journal (article/letter/editorial) | | aphisches Institut, D-3300 Braunschweig, F.R. Germany Hans Kreuzer, Helmut Raschka, and Wilhelm Harre...Geowissenschaften und Rohstoffe, D-3000 Hannover 51, P.R. Germany Abstract. The uppermost unit of the Cretan nappe...plagioclase (An 50) while associated metapelitic gneisses consist of garnet + cordierite + biotite +...sillimanite (andalusite) ± K-feldspar + plagioclase (An 40-50) + quartz. Judging from relevant experimental...the FeJMg distribution on coexisting garnet and cordierite, the P-T conditions of metamorphism are estimated |  | | Book | | the deep continental crust) Crust. 3. Geology - Germany (West) — OberWohlenberg, Jiirgen, 1933- . III....Springer-Verlag Berlin Heidelberg 1989 Printed in Germany The use of registered names, trademarks, etc....Republic of Germany (KTB) would be drilled in the Oberpfalz area of Northern Bavaria. The site...Deutsche Forschungsgemeinschaft (DFG) made after an evaluation by the Project Management of the technical...drilling of of the drill site area are second gives an up date on of the pilot hole. August 1989 complimented |  | | Journal (article/letter/editorial) | | 1973 Experimental Study of the Stability of Cordierite and Garnet in Pelitie Compositions at High Pressures...and low ]H~O,the stability of the mineral pair cordierite-garnet is limited by five univariant reactions...sillimanite ~- quartz, cordierite + garnet +-~--hypersthene + sapphirine -~ quartz, cordierite -~ garnet~ hypersthene...hypersthene -}-spinel -]- quartz and cordierite A-garnet.-.-- olivine ~-spinel ~- quartz. In this sequence...boundaries delimit a wide P-T range over which cordierite and garnet may coexist. Two divariant equilibria |  | | Journal (article/letter/editorial) | | breakdown in metabasites of the KTB pilot hole, NE Bavaria: implications for the Variscan tectonometamorphic...Republic of Germany 2 KTB Feldlabor, Postfach 67, W-8486 Windischeschenbach, Federal Republic of Germany 3 M...Hubland, W-8700 Wiirzburg, Federal Republic of Germany ReceivedJune 21, 1991 / Accepted June 1, 1992 Abstract...metagabbros and retrograded eclogites of the KTB pilot and an adjacent drilling provide evidence for a multistage...difficult. However, calculations made by assuming an approach to domainal equilibrium show that both the |  | | Journal (article/letter/editorial) | | Lam—Bodenmais Area, Bavaria by P. BLT)MEL and W. SCHREYER Instil ul fur Mineralogie der Ruhr-UniversitSt...Ruhr-UniversitSt, D-463 Bochum, W-Germany ABSTRACT Bulk chemical and mineral analyses were carried out on a progressive...the higher grade (=cordierite-Kfeldspar) zone with coexisting biotite+cordierite±sillimanite (+K-feldspar+...multivariant reaction: biotite+sillimanite+quartz = cordierite+K-feldspar+H2O, but analyses of coexisting biotites...metamorphism continues to increase even within the cordierite-K-feldspar zone. This increase is signalized |  | | Journal (article/letter/editorial) | | Variscan post-tectonic cooling in the Schwarzwald, Germany G. Markl Institut ftir Mineralogie, Petrologie...Albert-Ludwigs-Universit~it, Freiburg, Federal Republic of Germany With 10 Figures Received January 27, 1999; revised...plagioclase-biotite-quartz-gneiss at Artenberg, Schwarzwald, Germany, contains up to 10 cm wide calcite veins partially...reaction in an open system of the hydrothermal carbonate with the orthogneiss in the presence of an externally...wollastonite at the above P-T conditions records an Xco2 of the fluid phase below 0.05. Chemical potential |  | Labotka, Theodore C., Papike, J. J., Vaniman, D. T., Morey, G. B. (1981) Petrology of contact metamorphosed argillite from the Rove Formation, Gunflint Trail, Minnesota. American Mineralogist, 66 (1-2) 70-86 | Journal (article/letter/editorial) | | assemblages characterizedby cordierite + biotite + microcline + muscovite+ quartz. Cordierite coexistswith biotite...assemblage. Locally, corundum + microcliae and cordierite * hyperstheneassemblages occur at the contact...continuous reaction muscovite + phlogopite * quartz : cordierite * microcline + HrO is calibrated and used to...Gy Duluth Complex in northeasternMinnesotaintruded an -2 Gy sequenceof sedimentary rocks that includes...argillite unit, a middle transition unit, and an upper thin-bedded greywackeunit. The lower argillite |  | | Journal (article/letter/editorial) | | Springer-Verlag 1975 Chemical Mineralogy of Some Cordierite-Bearing Rocks Near Yellowknife, Northwest Territories...Archean age near Yellowknife contain biotite, cordierite, gedrite and sillimanite isograds towards the...chemistry of biotite, cordierite, gedrite and garnet in rocks that up-grade from the cordierite isograd indicate...decreases in the sequence: garnet, gedrite, biotite, cordierite while M n / F e + M g + M n ratio decreases in...in the sequence garnet, gedrite, cordierite, biotite. The same order is also observed in the "distribution |  | | Journal (article/letter/editorial) | | fractionation factor = (MnO % in gamet)/(MnO (% in an associated mineral) may be used. The existing data...rapidly poorer in lVlnO. Hollister (1966) has derived an equa- tion for the MIlO content of the outermost...rising Atherton (1968!358) (1968! 358) obi: vl!d an apparently progressive .iecrease jecrease of S obI:...temperature. Complete equilibrt"um equilibrium model As an alternative case, let us consider a garnet-bearing...I~----~ 0.0 0.1 0.2 ~ ~ ~. 0.3 0.4 0.5 g an! assumed to be homogeneous and to have been in equilibrium |  | | Journal (article/letter/editorial) | | subsequently been re-equilibrated in the inner (cordierite-potash feldspar) zone of the aureole of the Strontian... consistent with emplacement of the intrusion at an early stage of regional cooling. THE use in geothermometry...temperatures from the partition of Mg and Fe with cordierite (Tracy et al., 1976). Formation of homogeneous...garnet have been modified, with the production of cordierite, near the Strontian Granodiorite (Ashworth and...intrusion, and an inner cordierite-potash feldspar zone is defined by the incoming of cordierite (fig. 1). |  | | Book | | RHEINISCHES SCHIEFERGEBIRGE ARDENNES 'f -eSaar I o PALATINATE !'::' ( &~{ BLACK FOREST Badenweiler - Lenzkirch...Senckenbergstrasse 3 35390 Giessen Germany K. WEBER Institut für Geologie und Dynamik der Lithosphäre Universität...Göttingen Goldschmidtstrasse 3 37077 Göttingen Germany Cataloging-in-Publication D a t a applied for...Correlation Program hosted an international conference in G6ttingen/Giessen, Germany. Discussions were focused...geology of Central Europe. The present book represents an outgrowth of this conference, but is not merely a |  | | Journal (article/letter/editorial) | | decrease in amphibole, K-feldspar and garnet and an increase in biotite und quartz from the margins towards...dabei die eisenreiche Pellite. Sic enthalten in der Kontaktzone Granat-Xenoerysten. Die Umwandlung dieser...Biotit-QuarzPlagioklas fiihrte zu einer Abnahme der Amphibole, Kalifeldsp~ite und Granate. Gleichzeitig...Quarz ausgehend yon den Rilndern nach dem Zentrnm der Tonalitmasse bin. Es ist zu vermuten, dab das Magma...Gesteine mit einem hohen Druck eingedrungen ist. In der thermischen Aureole nehmen Almandin-Porphyroklasten |  | | Journal (article/letter/editorial) | | the Schwarzwald, SW Germany J. Hoefs 1 and R. Emmermann z 1 Geochemisches Institut der Universit/it G6ttingen...G6ttingen, FRG 2 Mineralogisch-Petrologisches Institut der Universit/it Giegen, Senckenbergstrage 3, D-6300...Hercynian granite plutonism, ranging from Upper Devonian to Upper Carboniferous (i.e. from 370 to 280 Ma)...activity occurred at about the time of the Lower/Upper Carboniferous boundary (330 to 315 Ma). SCHWARZWALD...paragneisses SW-Schwarzwald The evolution from the oldest Upper Devonian granites to the large Hercynian granite |  | | Journal (article/letter/editorial) | | iron chlorite, approximately 550 ~ at 2 kb, is at an fo2 between assemblages (1) and (2) listed below...fayalite + hercynite; (2) cordierite + fayalite + magnetite; (3) cordierite + magnetite + quartz; (4)...+ mullite + quartz. Almandine should replace cordierite in assemblages (1) and (2) but it did not nucleate...significance of the relationship between iron cordierite and almandine in this system is discussed. At...container was minimized by placing the charge in an unsealed silver container. Products were examined |  | | Book | | HagendorfPleystein Province: the Center of Pegmatites in an Ensialic Orogen Modern Approaches in Solid Earth...Pegmatites in an Ensialic Orogen Harald G. Dill Gottfried-Wilhelm-Leibniz University Hannover, Germany Responsible...rocks and minerals (German: Steinpfalz = Stony Palatinate). To cooperate with him meant to have a friend...did not postpone my questions. I did not receive an answer from him, he provided me with a solution....rocks in the Bohemian Massif, which is shared by Germany, the Czech Republic, Poland and Austria, has been |  | | Journal (article/letter/editorial) | | Mineralogy and Petrology 9 Springer-Verlag 1994 Cordierite-garnet-sillimanite-quartz equilibrium: I. New...Abstract. The equilibrium in which hydrous Fe-cordierite breaks down to almandine, sillimanite, quartz...Fe-Mg partitioning experiments on coexisting cordierite and garnet in equilibrium with sillimanite and...depends on the water content of the equilibrium cordierite. We have redetermined this equilibrium using...technique of detecting reaction direction, and cordierite starting material that contained virtually no |
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