 | | Book (chapter) | | GRANITE. Essentially composed of lamellar felspar, quartz, and mica, nearly equally disseminated. Principal...Principal varieties. COMMON GRANITE Felspar, quartz, and mica, equally disseminated. PORPHYHITIC GRANITE....Table (Jurine.) Essentially composed of felspar, quartz, and steatite, talc, or chlorite, entirely or almost...&c. Essentially composed of lamellar felspar and quartz. Obs. All the fine kaolins are derived from this...Essentially composed of lamellar felspar, hornblende, and quartz. The felspar is often predominant. Principal varieties |  | | Journal (article/letter/editorial) | | Eclogite-facies rocks in the Saxonian Erzgebirge, Germany: high pressure metamorphism under contrasting P...eclogite-amphibolites were mapped by the Geological Survey of Saxony at the beginning of this century. The major eclogite...zoisite prisms, phengite flakes and by elongated quartz aggregates. The lineation, generally trending E-W...localities are depicted in the Geological Map 1:25000 of Saxony, sheet 147: Stfimpelfelsen, Katzhahnfelsen, Kreuzeckfelsen...parallel to the Pressnitz river (sheet 139: Schmalzgrube; sheet 128: Wolkenstein, Boden, Grossr/ickerswalde |  | | Journal (article/letter/editorial) | | metamorphic siliciclastic rocks in the Erzgebirge Mts., Germany Winfried Lorenz ’ c /o Siichsixhes Landesamt fiir...Geologic, P. 0. Box 132, D-09583 Freiberg / Sachsen, Germany Received 24 March 1994; revised version accepted...Chemnitzer Str. 57, D-09599 Freibergj’ Sachsen, Germany. 0037-0738/95/$09.50 0 1995 SSDI 0037-0738(94)00140-5... Geological sketch map of the study area. D = Germany; CZ = Czech Republik. gneiss region W. Lorenz...Flaky two-mica schist (dark colour, at lower left), quartz mica schist (lighter region in the middle), and |  | Tichomirowa, Marion, Sergeev, Sergey, Berger, Hans-Jürgen, Leonhardt, Dietmar (2012) Inferring protoliths of high-grade metamorphic gneisses of the Erzgebirge using zirconology, geochemistry and comparison with lower-grade rocks from Lusatia (Saxothuringia, Germany) Contributions to Mineralogy and Petrology, 164 (3) 375-396 doi:10.1007/s00410-012-0742-8 | Journal (article/letter/editorial) | | lower-grade rocks from Lusatia (Saxothuringia, Germany) Marion Tichomirowa • Sergey Sergeev • Hans-Jürgen...Bergakademie Freiberg, Brennhausgasse 14, 09596 Freiberg, Germany e-mail: tichomir@mineral.tu-freiberg.de recrystallisation...Geologie, Halsbrücker Str. 31a, 09599 Freiberg, Germany Rocks that underwent high-grade metamorphism may...position of the Erzgebirge at the border between Saxony and the Czech Republic. Zircon ages and references...5600050 4579900 Fine-grained grey gneiss lense Schmalzgrube KE 543 5596990 4353620 Meta-greywacke KE |  | | Journal (article/letter/editorial) | | Erlangen-Nürnberg, Schlossgarten 5a, D-91054 Erlangen, Germany Institute of Geography and Geology, University...University of Würzburg, Am Hubland, D-97074 Würzburg, Germany a r t i c l e i n f o Article history: Received...felsic rocks. Units 2 and 3 are common HP units with quartz eclogite, and Unit 1 is an ultra-high pressure...Schmädicke et al., 1992). The HP Units 2 and 3 contain quartz eclogite, whereas Unit 1 experienced UHP conditions...Units 2 and 3 are high-pressure (HP) units with quartz eclogite, and Unit 1 is an UHP unit hosting coesite |  | | Book (volume) | | small scale in Pearlstone, a variety of empyrodox Quartz. PHYSIOGRAPHY, 38 CLASS I. dry atmosphere...Rammelsberg near Goslar in the Hartz, at Schwarzenberg in Saxony, in several mines at Schemnitz in Hungary ; also...crystallised and massive, in different parts of Germany, 4. countries. many particularly in Mansfeld...from Montmartre near and the scaly Paris from Saxony and Thuringia. 5. This species is variously employed...probably from imbedded crystals of rhombohedral Quartz. The chemical formula for the pure mixture of this |  | | Book (volume) | | Iron Ores 1. Segregations of Magnetic Iron Ore in Quartz-free Orthoclase Porphyries and Syenites . . "'...Schluckenau, in Northeastern Bohemia, and at Sohland, in Saxony (e) Arsenious Nickel Ores in the Serpentine of...Spherosiderites Carbonaceous Iron Ores of Upper Silesia and Saxony Carbonaceous Iron Ores of Great Britain The Iron...(Tourmaline-bearing Copper Formations.) 6. Cupriferous Quartz Veins Australian Deposits African Veins (6) ....Copper Veins (Gangue of Various Carbonates with Quartz, ; ,226 Barite, and sometimes Fluorspar) Zeolitic |  | | Book (volume) | | micaschistes , offrant sur leurs feuillets des em- quartz , preintes de poissons et de végétaux qui appartiennent...immédiatement d’une couche de cailloux roulés qui sont des quartz et des jaspes de la grosseur d’un oeuf, et repose... On a ramassé sur les des fragmens de Li- de quartz trèsgnite qui éloienl pénétrés de cristaux sphères...couches d’un schiste ardoisé traversé de veines de quartz. La couche ou le filon qu’elle contient, a environ...peut-être unique, du Soufre dans une couche de quartz qui passe au silex , corné, et micacé , qui |  | | Book (volume) | | Berms: grún in der Gegend von Schwarzenberg , die Schmalzgrube uns weit Marienberg in Sachſen u. m. D. 4)...am Graufopfe bei Presniß in Böhmen , und bei Schmalzgrube unweit Marienberg in Sachſen , zu Reichenſtein...Vorfommen und ihrer Lagerung. IX. Quarz.Gebirge ( Quartz ) * ), Dieſer macht nebſt den folgenden Urgebirgen |
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