 | | Journal (article/letter/editorial) | | 129-156 (2005) THE DEVELOPMENT OF A MARGARITE–CORUNDUM BLACKWALL BY METASOMATIC ALTERATION OF A SLICE...Geochemistry, University of Freiburg, Albertstr. 23b, D–79104 Freiburg, Germany CHRISTIAN DE CAPITANI§ ...Geochemistry, University of Freiburg, Albertstr. 23b, D–79104 Freiburg, Germany ABSTRACT An unusual occurrence...diameter and amphibolite-facies metapelitic country-rocks. The blackwall contains corundum, staurolite...and excess quartz, and then the production of corundum from excess Al2O3. Subsequent desilication of |  | 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...temperatures corresponding to the albite-epidote amphibolite facies (Sanbagawa type), whereas the Cretaceous...N of M61ambes (24~ 35~ Sample M E L 3 (para-amphibolite): plagioclase (An25-33)+ brown hornblende + salitic...somewhat simplified and modified Sample KL 2 (para-amphibolite) : plagioclase (An 25 35) + brown hornblende |  | | Book (edition) | | Mineralogie, Malteserstr. 74-100, D-12249 Berlin, Germany Earth Science Department / College of Science,...Heidelberg, Im Neuenheimer Feld 236, D-69120 Heidelberg, Germany Sodenstr. 19, D-12309 Berlin, Germany Graslitzer...Graslitzer Str. 5, D-63791 Karlstein am Main, Germany Ludwig-Maximilians Universität, Department für Geo-...Ressourcengeologie, Luisenstr. 37, D80333 München, Germany Bundesanstalt für Geowissenschaften und Rohstoffe...Rohstoffe (BGR), Stilleweg 2, D-30655 Hannover, Germany Dr. Salah Al-Khirbash Prof. Dr. Rainer Altherr & |  | | Journal (article/letter/editorial) | | Tübingen, Wilhelmstrasse 56, D-72074 Tübingen, Germany b Geologisches Institut, Albert-Ludwigs-Uni6ersität...sität, Albertstrasse 23 b, D-79104 Freiburg, Germany Received 29 March 1999; accepted 25 November 1999...has been strongly deformed, commonly to upper amphibolite or granulite grade (Nicollet, 1990; Martelat...basement is still dominated by granulite and upper amphibolite facies gneisses, migmatites and many conformable...finally, was found at a quarry about 10 km W of Ihosy and 5 km W of Ankily. The quarry is situated close to |  | | Book | | Boring — German (West) — Oberpfalz Region. 2. Earth — pfalz Region. I. Emmermann, R. (Rolf), 1940— . Il...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....Deep Drilling Program of the Federal Republic of Germany (KTB) would be drilled in the Oberpfalz area...the most ambitious project in the geosciences in Germany. From the beginning, the "Senatskommission fiir |  | | Journal (article/letter/editorial) | | the Saxothuringian-Moldanubian boundary: The Baden-Baden Zone, northern Schwarzwald (F.R.G.) By E WICKERT...and 4 tables Zusammenfassung In der Zone von Baden-Baden grenzen die polymetamorphen Gneise der siidlich...ine (Einlieiten) unterscbeiden: (A) Gneise und Amphibolite, die bei niederen Driicken und amphibolitfaziellen...NESW streichenden Blattverschiebungen im kataklastischen l~NTiveau. Im sp~iten Unterkarbon intrudierte ein...Bedingungen an. Stldlich der Zone yon Baden-Baden intrudierten im Namur Zweiglimmer-Granite. Sie wurden |  | | Journal (article/letter/editorial) | | 2005, 17, 553-566 Monazite-epidote reaction in amphibolite grade blackwall rocks RODNEY GRAPES*, KURT BUCHER...Petrologie und Geochemie, Universität Freiburg, D-79104 Freiburg, Germany Abstract: Composite monazite-epidote...thorite, with REE enrichment of the epidote during amphibolite facies hydrothermal conditions of blackwall formation...REE-epidote and reacted epidote-monazite enclosed in corundum and staurolite of the blackwall resulted from...apatite-allaniteepidote in orthogneiss under amphibolite facies metamorphism. Retrograde alteration and |  | | Journal (article/letter/editorial) | | 1007/s00410-012-0765-1 ORIGINAL PAPER Formation of corundum megacrysts during H2O-saturated incongruent melting...online: 17 May 2012 Ó Springer-Verlag 2012 Abstract Corundum megacryst-bearing rocks associated with the high-pressure...micro-textures suggest that several centimetre long corundum megacrysts formed from the silicate melt along...margarite occurs in coronas around corundum megacrysts. Geochemically, the corundum-bearing rocks are enriched...leucogabbro indicates that feldspar breakdown and corundum formation occurred at temperatures [850 °C and |  | | Journal (article/letter/editorial) | | Mineralogie, TU Darmstadt, Federal Republic of Germany With 8 Figures Received July 12, 1999; revised...re, amphibolite to granulite facies stage and a younger low-pressure, greenschist to amphibolite facies...high-temperature imprint. Both events reached amphibolite facies conditions. Metamorphism is correlated...Mitteldeutschen Kristallinzone. Er wird im Westen vom tertiaÈren Rheingraben und im Norden von der permischen Saar-Selke...Saar-Selke Senke begrenzt. Im Osten und SuÈden werden die Kristallingesteine von mesozoischen Sedimenten |  | | Journal (article/letter/editorial) | | 40, W-2300 Kiel, Germany Abstract H6gbomite is reported from two upper-amphibolite and granulite-facies...are spinel-sapphirine-biotite-gedrite, spinel-corundum-sapphirine-cordierite and orthopyroxene-bioti...sapphirine + gedrite + H 2 0 + 02 = hrgbomite _+ corundum + magnetite _+ chlorite. Suggested conditions...Ruhr-Universit/it Bochum. Postfach 102148. W-4630 Bochum 1. Germany. ** Present address: Mineralogisch-Petrographisches...ches Institut. Albertstrasse 236. W-7800 Freiburg, Germany. be 800 + 60~ and 7.3 ~- 0.5 kbar (Lamb etal |  | | Journal (article/letter/editorial) | | Abstract Late Alpine fissures and fractures in amphibolite-facies basement gneisses at Arvigo (Val Calanca...various species of zeolite. The veins of the Arvigo quarry are convincing evidence that fracture fluids in...Albert-Ludwigs-Universität Freiburg, Albertstr. 23 b, 79104 Freiburg, Germany Present Address: T. Weisenberger...Central Alps. The samples were collected in an active quarry in Arvigo (Val Calanca, Switzerland; Fig. 1). They...and micaschists, intercalated with numerous amphibolite and calcsilicate lenses (Rütti et al. 2005; |  | | Journal (article/letter/editorial) | | Geosciences, University of Mainz, D-55099 Mainz, Germany 4 Department of Geosciences, University of Montana...replacement by corundum + plagioclase, possibly reflecting the difficulty of nucleating corundum. Key words:...paragneisses that generally underwent upper amphibolite facies metamorphism and anatexis (Petrakakis...Schulmann et al., 2005; Janoušek et al., 2006) and amphibolite facies retrogression to 335– 325 Ma (Matte et...minerals such as spinel, garnet, sapphirine or corundum in addition to plagioclase (OÕBrien & Rötzler |  | | Journal (article/letter/editorial) | | Geochemie, Albert-Ludwigs-Universita¨t Freiburg, D-79104 Freiburg, Germany ABSTR ACT Backscattered electron...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...Studies of metasedimentary xenoliths derived from amphibolite-grade basement schists are abundant in the youngest...Mineralogical Society the Wehr Volcano, East Eifel area, Germany (Brauns, 1911; Wörner et al., 1982; Grapes, 1986 |  | | Journal (article/letter/editorial) | | Albert-Ludwigs-Universität, Albertstrasse 23b, D-79104 Freiburg, Germany *Present address: Johannes Gutenberg Universität...Geowissenschaften, FB 22, Becherweg 21, D-55099 Mainz, Germany. e-mail: piazolo@mail.uni-mainz.de A B S TR A...granulite facies metamorphism at c. 570 Ma and an amphibolite facies retrogression at c. 520 Ma. The highest...very limited influx of H O-rich fluid during amphibolite facies retrogression 2 and point to significant...anhydrite which appears to have formed under amphibolite facies conditions. The observed extensive anorogenic |  | | Journal (article/letter/editorial) | | Albert-Ludwigs-Universität, Albertstrasse 23 b, D-79104 Freiburg, Germany ABSTRACT Titanite of variable Al and F content...content was found in granulite- to amphibolite-facies calcsilicates in Central Dronning Maud Land, Antarctica...described titanite with up to 0.42 Al apfu in amphibolite-facies calcsilicates from the Montagne Noire...calcsilicates from the medium-pressure granulite- to amphibolite-facies area of Central Dronning Maud Land (CDML)...Ma (Jacobs et al. 1998). Throughout the entire region, the Panafrican event strongly overprints the structures |  | | Journal (article/letter/editorial) | | Institut, Christian Albrechts Universit€at, Kiel, Germany 2 Received July 8, 2002; revised version accepted...1996; Rasmussen et al., 1998; Sp€otl, 1990) to amphibolite facies (Schmid-Beurmann, 1997; Wise and Loh,...of the metamorphic history of rocks up to the amphibolite facies (Schmid-Beurmann et al., 1997; Morteani...Al-borosilicate-bearing metaquartzites 65 synthetic corundum (Al), synthetic periclase (Mg), Fe-metal (Fe)...to metapelitic rocks of greenschist to lower amphibolite facies. In view of the lack of detrital tourmaline |  | | Journal (article/letter/editorial) | | Albert-Ludwigs-UniversitaÈt, Albertstrasse 23 b, D-79104 Freiburg. Germany Tel. +49 761 203 6414 and 6395; Fax: +49 761...Geowissenschaften, FB 22, Becherweg 21, D-55099 Mainz, Germany Editorial responsibility: W. Schreyer lated values...area comprises rocks subjected to granulite and amphibolite facies metamorphism, the granulites generally...1993) exhibit halogen-richer minerals than the amphibolite facies rocks (Petersen et al. 1982; Jansen and...Maijer 1987; De Maesschalck et al. 1991). In some amphibolite facies areas, halogen enrichment is related to |  | | Journal (article/letter/editorial) | | Ilmenau, Thuringia, pyrolusite, 976. Kaiserstuhl, Baden, melanite, 775. Leichtenberg, Fichtelgebirge, gersdorffite...pseudomorphous after manganite, 274. Orlberg, Kaiserstuhl, Baden, K-rich trachyte, 334. Wolfsberg, Harz, gersdorffite...INDEX Ecton, Staffordshire, serpierite, 882. Mells quarry, Frome, Somerset, calcite, 70. Roughten Gill, Cumberland...localities, p. 1078: Castle an Dinas quarry; Cripple's Ease quarry; Great Zawn, Zennor; Knill's Steeple...Mount ; Tregarden quarry, Luxulyan ; Tremearne ; and Tresayes. Devon Meldon railway quarry, metamorphosed |  | | Journal (article/letter/editorial) | | Bayreuth, Postfach 1012.51, D-95440 Bayreuth, Germany Abstract Eclogites from different parts of the...600-65O”C, > 20 kbar, were mainly overprinted in the amphibolite facies field, and contain garnets with an old...orthopyroxene and sapphirine, and a more pervasive amphibolite facies overprint. Despite the slightly higher...collecting such information from rocks over a wide region it may be possible to reconstruct burial and...reaction stage as having been at greenschist, amphibolite or granulite (high-, medium- or lowpressure) |  | | Report (issue) | | 500 is now Highway 28. - From Stop 11, Craigmont Corundum Mine, to Combermere, take Highway 517; the road...Geology -Ontario -Peterborough Region. 2. Geology - Ontario - Bancroft Region. I. Ontario. Ministry of Northern...This guidebook is the third of the series. The region covered in this guidebook lies roughly 100 miles...Area Bancroft and Vicinity Mining Activity Iron Corundum Graphite Molybdenum Feldspar and Beryl Nepheline...fossils, Lakefield quarry. 25 Brachiopod, Gastropod and Nautiloid fossils, Lakefield quarry. 27 Pelecypod |  | | Journal (issue) | | Pasadena, USA; Karl Schmetzer, Petershausen, Germany; Dietmar Schwarz, AIGS Lab Co. Ltd., Bangkok, Thailand;...Elisabeth Strack, Gemmologisches Institut Hamburg, Germany; Tay Thye Sun, Far East Gemological Laboratory...Berkshire; Bert Willems, Leica Microsystems, Wetzlar, Germany; Bear Williams, Stone Group Laboratories LLC, Jefferson...band centred at 715 nm that extended from the red region into the infrared. Energy-dispersive Xray fluorescence...known from Dal’negorsk, Primorskiy Kray, FarEastern Region, Russia, and also from Medel Valley, Grischun, |  | | Journal (article/letter/editorial) | | 510163, Germany e-mail: dill@bgr.de G. Steyer Raubersrieder Weg 14, 90530 Wendelstein, Germany environs...Donau (Danube) between Regensburg and Passau, Germany (Dill et al. 2007a, Fig. 1). Mineralogical or sedimentological...the study area, a Location of the study area in Germany indicated by the framed area b Location of the...from any of these extraterrestrial features in Germany but are known to occur in many meteorites and the...“Donauplatin” d Chromiumbearing magnetite, “Donauplatin” e Corundum (co) (“sapphire”) amidst monazite (mo) showing |  | | Journal (article/letter/editorial) | | Sciences, University of Freiburg, Albertstr. 23b, D-79104 Freiburg, Germany; Department of Environmental...compositions yielded peak metamorphic conditions of amphibolite-facies grade (T ¼ 590–660 C and P ¼ 64–76...tourmaline; major and trace element zoning; amphibolite facies; evaporitic protolith INTRODUCTION This...pelitic rock is not modified at greenschistand amphibolite-facies conditions. Haskin et al. (1968) reported...deformation events: high-T deformation under amphibolite-facies conditions followed by retrograde deformation |  | | Journal (article/letter/editorial) | | actino]ite, anthophyllite, hastingsite, hornblende. Amphibolite, Singhbhum, India, trace elements in, 671. Anandite...Animas, Atocha, Bolivia, stannite, 1045. Ankerite, Germany, thermal decomposition of, 138. An]~ole, Uganda...411. Beitbridge, Rhodesia, enstatite-sillimanite-corundum-cordierite-quar tz rock, 1052. BELLUOMINI (G.)...Rosia (Siena), Italy, 1037. Belnhausen, Darmstadt, Germany, ankerite, 138. Benallt mine, Caernarvon~hire...An axinite-epidote- tourmaline vein cutting amphibolite, western Connemara, Eire, 747. Benson, Rhodesia |  | | Journal (article/letter/editorial) | | Universitat Kiel, Kiel, Federal Republic of Germany 3 Geology Department, University of Leicester,...contains a network of chlorite, pyrophyllite and rare corundum/diaspore. XMg Mg/(Mg Fe) decreases as follows:...chlorite/pyrophyllite hoÈgbomite ) hercynite ilmenite corundum The chemical composition of hoÈgbomite varies...migmatitischem Paragneis von Vohidava in der Betroka Scherzone im s udlichen Pr akambrium von Madagaskar Die sinistrale...eingelagert sind. Im migmatitischen Paragneis kommen sporadisch HoÈgbomit/Hercynit Nester im Magnetit vor |
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