 | | Journal (article/letter/editorial) | | Berkshire; Ha#on attd Shabbington Wood, Buckinghamshire; Lower Froyle, Selt)orne, and West Worldham, tlampshire;...Upnor, Kent. Cornwall Bosahan quarry, Falmoath, biotite, 21o. Dean quarry, Coverack, The Lizard, analcime...orthoclase, 489. Schyn-Schhtcht, Grisons, albite, I56. Austria (Osterreich) Burgstein, Oetztal, omphacite, 61...153. Meidling im Tal, Lower Austria, omphacite, 6I. Mitterbachgraben, Lower Austria, omphacite, 6i. Mitterburg... montebrasite, 414. Poland (Polska) Jordan6w, Lower Silesia, chromian hydrogrossular, 241. Nowa Wies |  | | Journal (article/letter/editorial) | | authors are printed in SMALLCAPITALS,Subjects in lower-case roman, and Localities in italics. The minerals...cell-dimensions, 216; Rockall, opt., cell-dimensions, 216. Adularia, New Zealand, hydrothermal, anal., opt., genesis...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.)...see ATTEWELL(P. R.), 428. Burgstein, Oetztal, Austria, omphacite, 61. BURKE (E. A. J.), KIEFT(C.), FELItJS(R |  | | Book | | derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric finds have...of these fourfold axes in all. The considerably lower symmetry of a monoclinic crystal is shown in Fig...crystallographic symmetry of a body may often be lower than its apparent geometric symmetry. In a pyrite... Pl. 40 hornblende, Pl. 44 orthoclase, Pl. 45 adularia, Fig. 23 augite and hornblende, Fig. 24 feldspar;...symmetr:y ar:e no longer: present (Fig. 16a, p. 93). A lower: cr:ystallogr:aphic symmetr:y is often only shown |  | | Book | | Smith, and Klein Rouse, Dunn, Grice, Schlenker, and Higgins Boggs, Howard, Smith, and Klein Origins...composition), 600 to 900 meters thick, in the Oligocene to Lower Miocene John Day Formation in central Oregon (Hay...natrolite, gonnardite, gismondine, and faujasite; and a lower zone (up to 8 meters thick) that is analcime-dominant...covering of the flow by additional flows before the lower flow has cooled, differences in chemical environment...vesicular base of Oligocene to Lower Miocene columnar basalt in the Narre Warren Quarry, near Melbourne, Australia | | | Book | | Smith, and Klein Rouse, Dunn, Grice, Schlenker, and Higgins Boggs, Howard, Smith, and Klein Origins...composition), 600 to 900 meters thick, in the Oligocene to Lower Miocene John Day Formation in central Oregon (Hay...natrolite, gonnardite, gismondine, and faujasite; and a lower zone (up to 8 meters thick) that is analcime-dominant...covering of the flow by additional flows before the lower flow has cooled, differences in chemical environment...vesicular base of Oligocene to Lower Miocene columnar basalt in the Narre Warren Quarry, near Melbourne, Australia |  | SCHMIEDER, Martin, BUCHNER, Elmar, SCHWARZ, Winfried H., TRIELOFF, Mario, LAMBERT, Philippe (2010) A Rhaetian 40Ar/39Ar age for the Rochechouart impact structure (France) and implications for the latest Triassic sedimentary record. Meteoritics & Planetary Science, 45 (8) 1225-1242 doi:10.1111/j.1945-5100.2010.01070.x | Journal (article/letter/editorial) | | K-feldspar) separated from impact-metamorphosed gneiss found near Videix in the western central part of...approximately 1000 C that affected the precursor gneiss. Geochemically, both feldspar types represent essentially...suggested that the 40Ar ⁄ 39Ar age for the Videix gneiss (as a potassic ‘‘impact metasomatite’’) dates the...dating of pseudotachylites from the Champagnac quarry in the northeastern part of the impact structure...K-feldspar separated from impact-metamorphosed gneiss found near the village of Videix in the western |  | | Journal (article/letter/editorial) | | particular sulfosalt minerals from the Lengenbach quarry in Binntal-which, at least in part, are still valid...mineral locality in the Alps, namely, the Lengenbach quarry in Binntal. In 1958, due to the initiative of Prof...distinctive sulfosalt minerals from Lengenbach quarry accessible to modem research. The syndicate has...by sedimentary in Boudin Neck layers between the gneiss nappes). This accumulation of rock nappes of kilomeFigure...various feldspar minerals, such as orthoclase (adularia) or albite, and some micas and Be minerals (milarite |  | | Book | | geographically: the Northern (Upper) and the Southern (Lower) Peninsulas, which, to a considerable degree, are...basalt became greenstone; granite became granitic gneiss; sandstone was converted to quartzite; limestone...MISSISSIPPIAN □ DEVONIAN SILURIAN ORDOVICIAN □ CAMBRIAN ■ LOWER PROTEROZIC 0 MIDDLE PROTEAOZIC ARCHEAN Figur...Oronto Group a.. 3: co w C: _J 0 0 Marquette Iron District, Baraga and Marquette Counties diabase dikes...dikes diabase dikes Portage Lake Volcanics Lower Keweenawan Kallander Creek Formation ---------------------------Siemens |  | | | | Australia, at Mount Morgan Mine, from Chartres Towers district, from Hillgrove, from Hill End, and large production...U.S., nice bladed crystals occur in the Darwin district, Inyo County, California; also at Antimony Peak...California; and large crystals come from the Rand district, San Bernardino County. Long crystals at Manhattan...In U.S., very abundant in Tri-State lead-zinc district as cockscomb forms. Very excellent cockscomb crystals...found in schists at Mitterberg, Austria, and in the Trentino district, Italy. 40 Arsenopyrite (Metallic |  | | Book (edition) | | Chartres In Australia, at Mount Morgan Towers district, from Hillgrove, from Hill End, and large production...U.S., nice bladed crystals occur in the Darwin district, Inyo County, California; also at Antimony Peak...California; and large crystals come from the Rand district, San Bernardino County. Long crystals at Manhattan...U.S., very abundant in Tri-State lead-zine district as cockscomb forms. Very excellent cockscomb...found in schists at Mitterberg, Austria, and in the Trentino district, Italy. 3x : Arsenopyrite (Metallic |  | | Journal (article/letter/editorial) | | hydrothermal veins, are documented for a gneiss from the Artenberg quarry near Steinach (Kinzigtal, Schwarzwald...metaquartzdioritic Variscan gneiss, where flow of low-temperature fluids (∼100–200°C) caused adularia-quartz-sericite-type...by a Rb–Sr multimineral isochron for unaltered gneiss of 327.1±3.1 Ma, and by two independent ages of...quartz from the veins. In a profile from unaltered gneiss towards a vein, alteration-induced mineralogical...e-mail: glodnyj@gfz-potsdam.de gneiss, evolved into fluids with somewhat lower ratios, and finally reached |  | | Journal (article/letter/editorial) | | furnished noteworthy specimens OJ gems is the Golconda district, about 50 kilometers to the northwest. The city...Figure 3. Location of Pedreira Atalaia (the Sentinel quarry) near Governador Valadares, Minas Gerais, Brazil...considerable interest when, in the summer of 1990, in a quarry at the foot of Ibituruna, a large cavity was discovered...rock for construction purposes and road metal. The quarry in question is the westernmost of these, not far...Atalaia (Sentinel quarry). It is owned by Dr. Joaquim A. Leiio. The face of the quarry runs east-west and |  | Marchev, Peter, Downes, Hillary, Thirlwall, Matthew F., Moritz, Robert (2002) Small-scale variations of 87Sr/86Sr isotope composition of barite in the Madjarovo low-sulphidation epithermal system, SE Bulgaria: implications for sources of Sr, fluid fluxes and pathways of the ore-forming fluids. Mineralium Deposita, 37 (6) 669-677 doi:10.1007/s00126-002-0278-3 | Journal (article/letter/editorial) | | Springer-Verlag 2002 Abstract The Madjarovo ore district is located in the volcanic rocks of the Oligocene...for host magmatic rocks (0.70775–0.70863), but lower than those of the metamorphic basement (0.7110–0...through which they passed. 670 The Madjarovo ore district in the Rhodope Massif, Bulgaria, shows an unusually...and alterationmineralisation in the Madjarovo district allows for an excellent opportunity to study the...activity and hydrothermal processes in the Madjarovo district have been dated precisely by laser-fusion 40 Ar/39Ar |  | | Journal (article/letter/editorial) | | porphyry copper and epithermal vein deposits of adularia-sericite type develop successively under different...coeval high-level stocks in the root zones of many adularia-sericite deposits suggests that circulation of...arc, emplacement of magmatic sills at depth and adularia-sericite type gold mineralization are genetically...resume following porphyry copper mineralization, adularia-sericite epithermal gold mineralization, or continued...(Panto, 1951). Adularia-sericite epithermal gold deposits, also known as quartz-adularia or low sulphidation |  | | Book | | of rEarth ScienceMonographs Volume б Lauf 4880 Lower Valley Road, Arglen, Pennsylvania 19310 Other...publisher: Published by Schiffer Publishing Ltd. 4880 Lower Valley Road Atglen, PA 19310 Phone: (610) 593-1777;...and Zussman two Tile formula units. Rutile has a lower specific volume 1962). More recent refinements of...(arrows) lie parallel to one another. In anatase, lower left, the shared edges at top and bottom of the...perpendicular to one another (arrows). In brookite, lower right, the octahedra lie in a zigzag pattern. Structure |  | | Journal (article/letter/editorial) | | and mineralogy within the gabbro unit contain adularia which have been previously dated by Ar40-Ar39...rodingite alteration affects Kennack Gneiss (Figure 1). The Kennack Gneiss is a group of variably deformed...association with vein serpentine (e.g. Trevassack quarry [SW 712 222]). Although not widely documented,...in close proximity to acid fractions of Kennack Gneiss and contains numerous Fe-rich relicts which bear...mineral assemblages dominated by prehnite, calcite, adularia and zeolites (Seager, 1971) whereas fractures |  | | Journal (article/letter/editorial) | | vein-type deposit of the Alpeinerscharte, Tyrol (Austria) and its relation to Variscan granitoids F. Meicher...f'tirGeowissenschaften,Montanuniversit~it,A-8700 Leoben, Austria Received: 5 December 1993/Accepted: 24 October...The molybdenite deposit of the Alpeinerscharte (Austria) is situated in Variscan greenschist- to amphibolite-facies...gneisses of the Tux Gneiss core, which represents the middle of three main Central Gneiss ("Zentratgneis")...of the western Tauern Window in northern Tyrol (Austria, Fig. 1). The Alpeinerscharte deposit is the largest |  | | Report (issue) | | replaced mafic minerals, whereas the ensuing hematite-adularia episode replaced only the earlier alteration assemblage...Early vein mineralization produced a minor sulfide-adularia-carbonate assemblage. Later vein mineralization...two successive stages. Carbonates, sulfides, and adularia filled the remaining voids. Clastic dikes composed...the deposit were derived from major hornblende gneiss units and related rocks. The initial fluids were...enhanced my understanding of the mines in the district. This manuscript has benefitted from critical |  | Marchev, Peter, Kaiser-Rohrmeier, Majka, Heinrich, Christoph, Ovtcharova, Maria, von Quadt, Albrecht, Raicheva, Raya (2005) 2: Hydrothermal ore deposits related to post-orogenic extensional magmatism and core complex formation: The Rhodope Massif of Bulgaria and Greece. Ore Geology Reviews, 27 (1) 53-89 doi:10.1016/j.oregeorev.2005.07.027 | Journal (article/letter/editorial) | | two major tectonostratigraphic complexes, the Gneiss–Migmatite Complex and the Fig. 2. Schematic geological...the lower and upper plates of interpreted extensional core complexes (Wernicke, 1981). The Gneiss–Migmatite...(1998). It represents the tectonostratigraphically lower unit in extensional domes, and is sometimes bound...correlated by Mposkos and Krohe (2000) with the lower unit of Papanikolaou and Panagopoulos (1981) and...Liati and Gebauer (1999) with the upper unit. The Gneiss– Migmatite Complex is dominated by orthogneisses |  | | Journal (article/letter/editorial) | | Alpine metamorphism reached upper greenschist to lower amphibolite grade. Geochemical data are used to...30°C. SVSr/86Sr ratios of mineralised samples are lower than or equal to host dolostones, precluding major...collecting peaked around 1835 and 1900. Since 1958, the quarry has been operated for the exploitation of mineral...up-to-date mineral list, maps and cross sections of the quarry are presented by Hofmann et al. (1993). The genesis...fissures. This mineralisation is part of an extensive district of base metal mineralisation in Triassic rocks |  | | Journal (article/letter/editorial) | | STRUCTURAL, K - A r AND 4°Ar-39Ar AGE STUDIES OF ADULARIA K-FELDSPARS FROM THE LIZARD COMPLEX, ENGLAND...24, 1975 Conventional K-Ar analyses of fifteen adularia feldspars from the Lizard Complex yield ages between...through time explain the origin of the triclinie adularia. It is suggested that ordering has been induced...movements in western Europe. 1. Introduction Adularia has been used previously in K - A r dating [ 1...can give geologically valid K - A r ages [7]. Adularia is a very pure K-feldspar found in lowtemperature |  | | Journal (issue) | | mineral localities: Knappenwand, Untersulzbachtal, Austria .................................................EPIDOTE from Knappenwand, Untersulz bachtal, Austria. (See the article in this issue, p. 167.) The specimen...for the first time in history, have reached the lower range of the Old Masters. Esthetics have never been...History Museum of Vienna Burgring 7, A -1014 Vienna, Austria nappenwand,in the Untersulzbach Valley, is among...beautiful mountains with France, Switzerland and Austria. In Austria, in the southern part of the province of |  | | Book | | MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege. Operated for talc since the beginning...beginning of the 20th century, the Trimouns quarry became well known to collectors around 1990 for the...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...in 2002 in a calcite-carbonatite vein intruding gneiss, together with very large Baveno-law-twinned crystals...1991). Simdeled, Aust-Agder. Early in 1999, in a quarry near S~ndeled, collectors opened a pocket containing |  | | Book (volume) | | alpine ... . .. . . . . . . . . . ....... Graniti, gneiss, sieniti, granodioriti, ecc. . . Dolomie e calcari...forme sono rap presentate con diversi colori. gneiss, roccia metamorfica di composizione ana loga...del granite, spesso scistosa. Classici esempi di gneiss sono le beole dell'Ossola (Beura, Villadossola)...trova anche alla Wansdorfer Hiitte (Krimmlertal, Austria), spesso associata a cuoio di monte. Johan nsenite...esemplari di questo minerale anche nelle fessure degli gneiss e nelle geodi di alcune rocce effusive (melafiri) |  | Cathelineau, Michel, Boiron, Marie-Christine, Fourcade, Serge, Ruffet, Gilles, Clauer, Norbert, Belcourt, Olivier, Coulibaly, Yacouba, Banks, David A., Guillocheau, François (2012) A major Late Jurassic fluid event at the basin/basement unconformity in western France: 40Ar/39Ar and K–Ar dating, fluid chemistry, and related geodynamic context. Chemical Geology, 322. 99-120 doi:10.1016/j.chemgeo.2012.06.008 | Journal (article/letter/editorial) | | times Western France a b s t r a c t The Malm–Lower Cretaceous period is often considered to represent...instance, authigenic mineral overgrowths such as adularia rims on K-feldspars are small sized while authigenic...Mauzé-Thouarsais Toarcian on granite N Sables d’Olonne Lower Lias on micaschists Quartz - Barite Airvault Toarcian...St Sylvestre Granite Dolomite Charroux-Civray Lower Lias on granite Quartz -DolomiteFluorite-Barite...basis of fluid inclusion studies in quartz, A adularia, barite and fluorite crystals (Boiron et al., 2002) |
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Gneiss quarry, Ebersdorf, Klein-Pöchlarn, Melk District, Lower Austria, Austria