 | Langthaler, K. J., Raith, J. G., Cornell, D. H., Stein, H. J., Melcher, F. (2004) Molybdenum mineralization at Alpeiner Scharte, Tyrol (Austria): results of in-situ U?Pb zircon and Re?Os molybdenite dating. Mineralogy and Petrology, 82 (1) 33-64 doi:10.1007/s00710-004-0048-2 | Journal (article/letter/editorial) | | Molybdenum mineralization at Alpeiner Scharte, Tyrol (Austria): results of in-situ U–Pb zircon and Re–Os molybdenite...and Geophysics, University of Leoben, Leoben, Austria 2 Geology Department, Gothenburg University, Gothenburg...and occur in E–W trending normally sub-vertical quartz veins with adjacent thin discontinuous garnetand...Kremstalstraße 32, A-4501 Neuhofen an der Krems, Austria 34 K. J. Langthaler et al. emplacement age of...western part of the Tauern Window in northern Tyrol, Austria (Fig. 1). It is located at about 2800 m altitude |  | | Journal (article/letter/editorial) | | Detailed geologicalmaps of the samplingareas of Kalvarienberg (b) and the serpentinite quarry at Winklarn...Winklarn (c) (modified accordingto Busch, 1970). quartz +_kyanite ___zoisite is never fully preserved (O'Brien...country rocks which could have been derived from lower crustal levels. However, due to the difficulties...olivine; opx = orthopyroxene; plag = plagioclase; qz = quartz; rt = rutile; zr = zircon. ally occurs as greenish-brown...felsic igneous rock might have equilibrated at lower depth than the eclogites. The garnets of these granulites |  | | Book | | constituents the three rock-forming minerals feldspar, quartz and mica, which in places develop mega-crystals...material extracted from pegmatites is feldspar, quartz and mica, and only a tiny fraction of pegmatites...shared by Germany, the Czech Republic, Poland and Austria, has been focused on these industrial minerals...is not yet exhausted as far as the high-purity quartz at the core of the pegmatite is concerned. In comparison...only the largest concentration of feldspar and quartz of its kind in Central Europe but also a mineralogical |  | | Journal (article/letter/editorial) | | BUCHT" (THE LOWER RHENISH BAY). IX. 30 GEOLOGICAL AND PETROGRAPHICAL CONDITIONS IN THE DISTRICT OF THE...northwesterly part of the Hohe Venn, where the Lower Devonian rests with marked discordance on strongly...thick sediments during Upper Carboniferous and Lower Permian times, along a marked belt which is also...core of a large anticline below the base of the lower Devonian, there appears a thick sequence of quartzites...and schists of Cambrian and Ordovician age. The lower part consists of light coloured and black quartzites |  | | Journal (issue) | | Albite, 11.2 cm, from the La Marina mine, Muzo District, Boyaca Department, Colombia. See the article...beautiful specimens of Schemnitz scepter and skeletal quartz, drusy amethyst, wire silver, acanthite, pyrargyrite...Hodrusa-Hamre (in the Banska Stiavnica mining district) is also the type locality for hodrusite. V INTRODUCTION...historical events before 1920, we will use the older district name of Schemnitz in accordance with the literature...time, whereas for events after 1920 the modem district name of Banska Stiavnica will be used, bearing |  | | Report (issue) | | crdenvoneinermergelig-tonigen Matrixumhüllt.- Steinbrucham Kalvarienberg( 10). 6 41 W. KREBS, H. WACHENDORF: Der...Flinzkalke der Adorf-Stufe. - Steinbruch am Kalvarienberg (10). Schlagwasser-Brekzie interpretiert. Von...(Schlagwasser-Steinbruch E Kallenhardt) und 10 (Steinbruch am Kalvarienberg ENE Kallenhardt) Phacoide aus tektonisch zerscherten...Bruchschie[erung resultiert. - Steinbruch am Kalvarienberg (10). Mit zunehmendem Abstand von der Überschiebungszone...developmentof the Iberg/Winterberg reef (Devonian to Lower Carboniferous, Han, Wcst-Germany).- [In:) MÜLLER |  | | Journal (issue) | | specimens, etc. 200 vari eties of garnet, agates, quartz, etc „ beads necklaces and many more items. For...(27-2), ,,Alte Mauer" bei Ramersbach (27-3), Kalvarienberg südlich Ahnveiler (27-4). Sie sind alle als...Ramersbach 25 78 000 55 97 150 36±1 27-4 Kalvarienberg 25 77 400 56 00 475 36±3 2571900 55 98 200 |  | | Book (edition) | | - SPECIMENS Introductory re:niarks Meraines; Lower Glacier of the Aar, with notes GLACIERS .AND DRIFT...Bristow, icitli notes by A. C. Ramsay Flint Chert .. Quartz and silicified wood .. - FLINT, &c., described...Forest - 106 Altered Cambtian rocks (Llanberis) and quartz porphyry - 110 Altered Carboniferous rocks and...302 304 305 306 Wall-case 4. IGNEOUS ROCKS OF LOWER SILURIAN DATE OF WALES AND Introductory remarhs...(near Builth) St. David's, Pembrolceshire Intrusive Quartz porphyry (Llanberis) tact with it Greenstone Dykes |  | | Report (issue) | | the specimen so low that 10 or more per cent of quartz must be analyzed is representative of the rock...them may be mentioned the analyses of the Butte quartz monzonite, (No. 5, I. 4. 3. 3 and Nos. 6, 7, 8...composition for the more brittle minerals, such as quartz and the feldspars, will be reduced to powder first...oxide. that In S. Ztlloski's study of the amount of quartz in granites (Tschermak's MineraL 11fltthcll., vol...granites is notably richer in feldspar relatively to quartz and dark minerals than the coarser portion of the |  | | Book (volume) | | exemple la manière d’obtela forme primitive du quartz, etc. j nir 2.6. , Les formes primitives étant...secondaires. C’est ainsi que tous les cristaux de quartz des environs de Neuilly appartiennent à la variété..., même. toujours la d’être rayés par eux. quartz transparent cristal- dont et la dureté, dans...corindon rouge du corindon bleu , le quartz limpide des quartz noir, rouge jaune , bleu. Si cette séparation... le minéral offre dans sa cas- du verre. (Le quartz.) On nomme cassure longitudinale, celle qui est |
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