 | | Journal (article/letter/editorial) | | pyrargyrite, stephanite, polybasite in Obersachsen (Germany), Fresnillo in Zacatecas and acanthite appeared...Guanajuato (Mexico) and has become the richest silver mine in the world, in more recently Bou Azzer and Imiter...ceased vein. The San Juan production by the de Rayas mine in time of World War II. Guanajuato also In 1946...very city In Morocco, the of Oberschlema Bou Azzer mine, itself, which finally already very had to be relocated...and east of Schlema, 2014 Tucson show. The Imiter mine began its modern producing many quality specimens |  | | Journal (article/letter/editorial) | | Leibniz University, Welfengarten 1 D-30167 Hannover, Germany Abstract The Central European Variscides and their...West Sudetes and its western prolongation the Fichtelgebirge-Erzgebirge Anticline which is well known for...2.1.4. The Subvariscan Foredeep 8 During the Upper Carboniferous, the Subvariscan Foredeep subsided...in the West, through the Ruhr District, Germany, to the Upper Silesian Coal Basin, Poland. The basin fill...calcareous platform sediments of the Malm series (Upper Jurassic) (Dill and Klosa, 2011). The Late Mesozoic |  | | Book | | Gottfried-Wilhelm-Leibniz University Hannover, Germany Responsible Series Editor: F. Pirajno ISSN 1876-1682...much biased by science with too little sense of mine for beauty) will keep his memory and work, alive...rocks in the Bohemian Massif, which is shared by Germany, the Czech Republic, Poland and Austria, has been...the region are not very promising and mining in Germany is obviously a profession of the past, but learning...pegmatites. The geochemical atlas of the F.R. of Germany, albeit not covering all rare elements of relevance |  | 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...garnet + cordierite + biotite + sillimanite (andalusite) ± K-feldspar + plagioclase (An 40-50) + quartz...serpentinite-amphibolite association can be divided into an upper part composed of serpentinite bodies of different...of this series, including garnet, cordierite, andalusite, and sillimanite (with or without K-feldspar) |  | 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) | | the Hauzenberg granitoids (European Variscides, Germany) T. Klein a,⁎, S. Kiehm b , W. Siebel c , C.K.... 60438 Frankfurt am Main, Germany b Dresdener Str. 6, 63454 Hanau, Germany Institut für Geowissenschaften...Tübingen, Germany d Bayerisches Geologisches Landesamt, Leopoldstraβe 30, 95632 Marktredwitz, Germany Received...Hauzenberg pluton to have cooled below T = 250–400 °C in Upper Carboniferous times. A compilation of age data from...of ages reported from the Moldanubian unit in Germany and Austria (see Section 5). We greatly benefited |  | | Journal (article/letter/editorial) | | Geoinstitut, Universität Bayreuth, 95440 Bayreuth, Germany distribution of quartz revealed three grain populations:...Erzgebirge/Krušné hory pluton in the Czech Republic and Germany. We integrate geochemical and mineral–chemical...the border region between the Czech Republic and Germany and it crops out in the Krušné hory, Erzgebirge...1994) and medium-F two-mica microgranites with andalusite and cordierite (‘‘intermediate granites’’, IG)...Eibenstock-Nejdek plutonic bodies in the Czech Republic and Germany, respectively (Jarchovský and Štemprok 1979; |  | | Journal (article/letter/editorial) | | An early paragenesis containing chiastolitic andalusite, cordierite, biotite and quartz¡garnet crystallized...similar symplectites are also found replacing andalusite or sillimanite in pelitic xenoliths in magmatic...sedimentary bedding. Garnet and chiastolitic andalusite porphyroblasts are frequently present and display...chiastolitic andalusite and, in some samples (e.g. X578), primary layering is defined by andalusite-rich layers...alternating with layers rich in matrix minerals. Andalusite forms euhedral to subhedral chiastolite porphyroblasts |  | | Journal (article/letter/editorial) | | An early paragenesis containing chiastolitic andalusite, cordierite, biotite and quartz¡garnet crystallized...similar symplectites are also found replacing andalusite or sillimanite in pelitic xenoliths in magmatic...sedimentary bedding. Garnet and chiastolitic andalusite porphyroblasts are frequently present and display...chiastolitic andalusite and, in some samples (e.g. X578), primary layering is defined by andalusite-rich layers...alternating with layers rich in matrix minerals. Andalusite forms euhedral to subhedral chiastolite porphyroblasts |  | | Journal (article/letter/editorial) | | in the Moldanubicum of the Lam—Bodenmais Area, Bavaria by P. BLT)MEL and W. SCHREYER Instil ul fur Mineralogie...Mineralogie der Ruhr-UniversitSt, D-463 Bochum, W-Germany ABSTRACT Bulk chemical and mineral analyses were...The Lam-Bodenmais area of Eastern Bavaria, Federal Republic of Germany, is part of the Hercynian basement...multivariant reaction: PHASE RELATIONS IN GNEISSES, BAVARIA 433 Downloaded from http://petrology.oxfordjournals...southern limit of garnet zone, I; southern limit of andalusite zone identical with 1. sillimanite isograd, II; |  | | Book | | Justus-Liebig-Universität Senckenbergstrasse 3 35390 Giessen Germany K. WEBER Institut für Geologie und Dynamik der...Göttingen Goldschmidtstrasse 3 37077 Göttingen Germany Cataloging-in-Publication D a t a applied for...international conference in G6ttingen/Giessen, Germany. Discussions were focused on the Tectonothermal...Geological Survey of Hessen Leberberg 9 65193 Wiesbaden Germany V. BACHTADSE Institut fur Allgemeine und Angewandte...Ludwig-Maximilians-U niversitat Theresienstr. 41 80333 Munchen Germany M. BANAS University of Mining and Metallurgy AI |  | | Journal (article/letter/editorial) | | Darmstadt, Schnittspahnstr. 9, D-64287 Darmstadt, Germany Fax: # #49 6151 164628 E-mail: schulte@hrz.hrz1...staurolite—sillimanite gneisses, gneisses with late andalusite and cordierite, micaschists, phyllites, amphibolites...(fibrolitic; sillimanite III)#biotite#quartz. Andalusite is a rare polymorph confined to one locality...respectively. One pilot hole specimen contains andalusite intergrown with cordierite#biotite, lacking contacts...conditions exceeding the wet solidus for metapelites (Johannes 1985); thus, pointing to P (P—T (wet solidus omitted |  | | Journal (article/letter/editorial) | | den Uhrzeigersinn gerichteten PT-Pfad belegt wird. Im stidlichen und 6stlichen Odenwald bewirkte danach...Phase im Devon beschrfinkt ist, entwickelt sich der magmatische Gtirtel im Bereich des Odenwaldes im Unterkarbon...high grade metamorphic rocks of the Odenwald (SW Germany) provide data for the construction of PT-paths...Ruhr-Universitfit, Postfach 102 148, D-4630 Bochum, FR Germany and A. K~OHE, Institut ftir Geologie , Ruhr-Universitfit...Ruhr-Universitfit, Postfach 102 148, D-4630 Bochum, FR Germany. Manuscript received: 31. 5. 1990; accepted: 22 |  | | Journal (article/letter/editorial) | | Albert-Ludwigs-Universita¨t Freiburg, D-79104 Freiburg, Germany ABSTR ACT Backscattered electron imaging of ...trachytic tephra of the Wehr Volcano, East Eifel area, Germany, show that they have undergone disequilibrium melting...pyrometamorphism, cordierite, muscovite, Wehr volcano, Germany. Introduction MINERAL reactions occurring under...Mineralogical Society the Wehr Volcano, East Eifel area, Germany (Brauns, 1911; Wörner et al., 1982; Grapes, 1986...magnetite and spinel. Porphyroblasts of garnet, andalusite and magnetite, developed within the mica-rich |  | | Journal (article/letter/editorial) | | peta-ogenetic interpretation of kyanite, siltimanite and andalusite in the South-western Bohemian eD'stalline complexes...Dru&). ZOUBEK, V.: Moldanubikum und seine Stellung im geologischen Bau Europas. - Freiberger Forschungshefte...Orogene Schollentektonik und grani'tolde Mobilisatlon im Westteil der B~ihmlschen Masse Von GERIiAI1DSTETTNF...It, Mfin&en *) Mit 6 Abbildungen Zusammenfassung Im vorwiegend bayerischen Westteil der BShmis&en Masse...dur& die Ausbildung m~idatiger, planarer Seherzonen im Grenzbereieh zwisehen Ober- nnd Unterkruste. Diese |  | | Journal (article/letter/editorial) | | Senckenberganlage 32—34, D-60054 Frankfurt a.M., Germany Fax: #069 798 22958 e-mail: Zulauf@em.uni-frankfurt...Lithosphärenforschung, Senckenbergstr. 3, D-35390 Giessen, Germany J. Fiala · Z. Vejnar Geologický ústav AVC[ R...sediments and volcanics rest unconformably on an Upper Proterozoic basement. The latter shows a higher...Barrovian-type metamorphism that had affected the Upper Proterozoic rocks of the Teplá—Barrandian unit...rocks of the Domaz\ lice—Stod area belong to the Upper Proterozoic Kralupy—Zbraslav group (according to |  | | Report (issue) | | sillimanite and of Richardson et al. (1969) for andalusite=sillimanite as compared to the results of Holdaway...fields are consistent with the occurrence of andalusite in metamorphosed rocks of the Lepontine Alps...for the formation of late stage fibrolite and andalusite in the Dalradian sequence of the Central Highlands...within the kyanite stability field. A field for andalusite -f peraluminous melt is shown. Introduction...values for the Al2SiO5 triple point and for the andalusite = sillimanite univariant equilibria that differ |  | | Journal (article/letter/editorial) | | Boehum, Germany Wilhelm Johannes ~ineralogical Institute, Technical University, Hannover, Germany Received...corundum -4- It20 quartz d- muscovite ~ sanidine -~ andalusite d- I-I~O quartz -~ muscovite ~ sanidine d- sillimanite...sanidine, synthetic corundum, natural quartz, andalusite a n d sitlimanite. The equilibrium constants...Petrol., Vol. 48 90 N.D. Chatterjee and W. Johannes 1. Introduction Muscovite, KAI 2 [A1Si30~0(OH)2]...number of attempts have been made to establish its upper thermal stability limit (Evans, 1965 ; Velde, 1966) |  | | Journal (article/letter/editorial) | | metamorphism range from 560 + 25~ C, 3 +_ 0.5 kb for the upper boundary of the muscovite + quartz zone to 670 +...generally intergrown with biotite and quartz. The andalusite is xenoblastie with a grain size up to 1.4 mm...mm, and shows pinitization. Sillimanite and andalusite have never been observed together in a sample....cordierite in fact represents replaced andalusite, l~elative ages of andalusite and "eordierite" as determined...is present to a minor extent. Yoikiloblastie andalusite and microeline have occasionally been observed |  | | Journal (article/letter/editorial) | | NESW streichenden Blattverschiebungen im kataklastischen l~NTiveau. Im sp~iten Unterkarbon intrudierte ein...an. Stldlich der Zone yon Baden-Baden intrudierten im Namur Zweiglimmer-Granite. Sie wurden schnell heransgehoben...metamorphosed at low pressures and temperatures of the upper amphibolite facies; (B) kyanite-garnet mica schists...i, c y)Ke aKKpeTH3HpoBaHm,IM~ CSnTaMr~ (C) ~ c 6nOTrtT-poroBoo6MaHHKOm,IM rpam~TOrct (D 1), OTi~OCrtTe:mllo...Korea-TO TeKTOm~qecKr~ Ixo~r~T~,IX rueficoB (A) II cnm)Im~oro caamm (B), II OTMenaew T.o. Hanaao aapam~Balln~ |  | | Journal (article/letter/editorial) | | subsurface continuation of the Black Forest Massif of Germany and is covered by Carboniferous to Tertiary ( +.../ - 20 Ma (Steiger et al. 1973, U/Pb on zircon, upper intersection with Concordia) and is attributed to...in the system KMASH for the end-member phases andalusite, clinochlore, corundum, cordierite, enstatite...were performed by S. Hoernes and coworkers (Bonn, Germany). Oxygen was liberated using a modified fluorine...parent rock of the migmatites (see Henkes and Johannes 1981). Rock types and degrees of migmatization |  | | Journal (issue) | | with strong red overtones, similar to good green andalusite. Time was at a premium, so that only a cursory...The best-known wulfenite comes from the Red Cloud mine in Arizona, though crystals from this area are generally...system; crystals from Andreasberg, Harz Mountains, Germany, are often scalenohedral and may rarely be sufficiently...probably a type of lignite. Jet is also found in Germany in the Poseidon slate of the Swabian and Frankish...Czenstochau in Poland(3), in the greensands of the Upper Chalk formations in the Dept l'Aude in S. France(3) |  | | Journal (article/letter/editorial) | | Institute of Mineralogy, Ruhr Uniuersity, 4630 Bochwn, Germany euo Eoca.nFRonsn GeologicalSurueyof Canada,60l...pertinentassemblages high-grade,calcium-poormetamorphicrocks. The upper compatibility limit of the assemblageparagonite...HrO lieswithin the stabilityfieldsof kyaniteand andalusite,agreeingwell with petrographicobservations.The...these minerals. At elevated temperatures, near the upper thermal stability of the assemblages Dioctahedral...layer and coupled multi-site substitu- jee and Johannes, 1974; Chatherjee, 1972). In the tions like Na |  | Seidel, Eberhard, Okrusch, Martin, Kreuzer, Hans, Raschka, Helmut, Harre, Wilhelm (1981) Eo-alpine metamorphism in the uppermost unit of the Cretan nappe system ? Petrology and geochronology. Contributions to Mineralogy and Petrology, 76 (3) 351-361 doi:10.1007/bf00375462 | Journal (article/letter/editorial) | | Gauss-Strage 29, D-3300 Braunschweig, Federal Republic of Germany z Bundesanstalt ftir Geowissenschaften und Rohstoffe...Alfred-Bentz-Haus, D-3000 Hannover 51, Federal Republic of Germany Abstract. The uppermost unit of the Cretan nappe...tholeiitic ortho-amphibolites, para-amphibolites, andalusite and sillimanite-cordierite-garnet bearing mica...Kfeldspar+biotite (slightly replaced by chlorite)+andalusite (widely replaced by muscovite, margarite, and...(mica schist) : quartz + K-feldspar + biotite + andalusite + fibrolitic sillimanite ( + secondary muscovite) |  | | Journal (article/letter/editorial) | | drill core (Continental Deep-Drilling Project, Germany) Received: 12 July 1996/Accepted: 20 November...imprint is documented by the local presence of andalusite. The lack of a continuous metamorphic P—T gradient...Darmstadt, Schnittspahnstr. 9, D-64287 Darmstadt, Germany Fax: ##49 6151 1665 39 E-mail: reinhard@hrzl.hrz...Retrograde S169 mineral growth includes rare andalusite. Greenschistand sub-greenschist-facies overprinting...first, prograde generation (as in Fig. 2f ). Late andalusite as the fourth Al SiO generation has 2 5 been |  | | Journal (article/letter/editorial) | | der Universidit, D-5000 K61n, FederalRepublic of Germany Abstract. In the Ultevis District, Northern Sweden...has the lowest Mn-contents recorded so far for andalusite-type minerals with viridine optics (1.3-2.2 mol-%...mol-% Mn2SiOs-component). Since no andalusite with lower Mn-contents occurs in the rock and since no...the incorporation of manganese stabilizes the andalusite structure under the P-, T-, aH2o-, aK+-, all+-...Introduction The P - - T stability field of andalusite is enlarged to high-grade metamorphic conditions |
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