 | | Journal (article/letter/editorial) | | speciesâ: muscovite, paragonite, glauconite, phlogopite, biotite, lepidolite, zinnwaldite, margarite...hendricksite masutomilite montdorite norrishite phlogopite polylithionite preiswerkite shirokshinite shirozulite...the lines between the end members annite and phlogopite and between siderophyllite and eastonite; dark...crystals of fuchsite occur in Karelia, Russia. Phlogopite is a species commonly found in metamorphosed...transparent pale green to tan crystals occur in white marble at Mogok, Myanmar (Burma). It is widespread in |  | | Journal (article/letter/editorial) | | Novosedly Ć ebanov lda 20 km ÄeskĂœ Krumlov Austria Mo N ath oli th ÄeskĂ© BudÄjovice Fig. 1...2011). The Varied Group contains abundant layers of marble, calc-silicate gneiss, graphite gneiss, quartzite...co-ordinates is given in Tab. 1. 3.1. Pacova hora quarry near ChĂœnov The Moldanubian Zone is a heterogeneous...1995) and the Mesoproterozoic Dobra gneiss in Lower Austria (Gebauer and Friedl 1994; Friedl et al. 2004)...directly bordering amphibolite layer (Fig. 3). Calcite marble within several metres of the Mn-rich layer is represented |  | Garnier, Virginie, Giuliani, Gaston, Maluski, Henri, Ohnenstetter, Daniel, Phan Trong, Trinh, HoĂ ng Quang, Vinh, Pham Van, Long, Vu Van, Tich, Schwarz, Dietmar (2002) ArâAr ages in phlogopites from marble-hosted ruby deposits in northern Vietnam: evidence for Cenozoic ruby formation. Chemical Geology, 188 (1) 33-49 doi:10.1016/s0009-2541(02)00063-3 | Journal (article/letter/editorial) | | com/locate/chemgeo ArâAr ages in phlogopites from marble-hosted ruby deposits in northern Vietnam: evidence...accepted 22 March 2002 Abstract Ruby growth in phlogopite-bearing marbles has been indirectly dated using...stepwise heating technique on purified syngenetic phlogopite and other micas from ruby deposits in Yen Bai...part of the Oligocene â Miocene Bu Khang dome. Phlogopite and biotite samples reveal Miocene cooling ages...Keywords: Ruby deposits; Ar â Ar geochronology; Phlogopite; Shear zone; Yen Bai; Luc Yen; Quy Chau; Vietnam |  | Borghini, Alessia, Ferrero, Silvio, OâBrien, Patrick J., Laurent, Oscar, GĂŒnter, Christina, Ziemann, Martin A. (2020) Cryptic metasomatic agent measured in situ in Variscan mantle rocks: Melt inclusions in garnet of eclogite, Granulitgebirge, Germany. Journal of Metamorphic Geology, 38 (3) 207-234 doi:10.1111/jmg.12519 | Journal (article/letter/editorial) | | pyroxene megacrysts can generate, typically at HP and lower temperatures, exsolution-like lamellar garnet and...parts of Germany, the Czech Republic, Poland and Austria (OâBrien & Carswell, 1993; Fig. 1). The Variscan...is called the Moldanubian Zone whereas a mostly lower grade region to the north is called the Saxothuringian... Poland), the Gföhl Unit in South Bohemia, Lower Austria and West Moravia (Medaris & Carswell, 1990)...(Fig. 2). At RUB the samples are from an abandoned quarry where one single layer of garnet + clinopyroxene-rich |  | | Journal (issue) | | Heierman collection. Illinois- Kentucky Fluorspar District Symposium by the Friends of Mineralogy (Midwest...the closing of the Illinois-Kentucky fluorspar district that I organized at Indiana University Southeast...believed having a similar program in the fluorspar district would be ideal. However, the logistics behind...this year. In previous visits to the fluorspar district, I had made contact with Bill Frazer, the owner...stream-transported [alluvial]). The former include: I. Marble-hosted deposits (e.g .. Mogok. Mong Hsu. Myanmar |  | | Journal (article/letter/editorial) | | from GoM3 O4 O10 slerwand, PrĂ€gratten, Tyrol, Austria. It typically forms elongated, Al O OH often striated...in amphibolite gneiss at the Keystone trap-rock quarry, Cornog, Pennsylvania. âąâPink to green crystals...niigataite for the type locality, in the Itoigawa-Ohmi district, Niigata Prefecture, in central Japan (Miyajima...in a sample of pumpellyite rock from the Wakasa district, Tottori Prefecture, Japan. The host rock consisted...crystals are found at Knappenwand, Untersulzbachtal, Austria, associated with graygreen fibrous byssolite. Fine |  | | Journal (article/letter/editorial) | | few carbonatites. Associated minerals include phlogopite, magnetite, spinel, grossular, forsterite, monticellite...Massachusetts. It is also known from the Bolton or Whitcomb quarry at Bolton, Worcester County, where it occurs in...at Canaan and Boardmanâs Bridge (Advance Stone quarry), and with green spinel at Norfolk by Schairer...limestoneâ (marble) west of North River, Essex County; similar yellow grains at the Atlas limestone quarry and...is reported from Brierstown, Sparta (Limecrest quarry), and the mines of Franklin and Sterling Hill, |  | Krivovichev, Vladimir G., Kuksa, Katherine A., Sokolov, Pavel B., Marakhovskaya, Olga Yu., Zolotarev, Andrey A., Bocharov, Vladimir N., Semenova, Tatyana F., Klimacheva, Maria E., GussiĂ„s, Geir Atle (2022) Preiswerkite: A First Occurrence in Marble Hosting Gem Spinel Deposits, Luc Yen, Vietnam. Minerals, 12 (8) 1024 doi:10.3390/min12081024 | Journal (article/letter/editorial) | | minerals Article Preiswerkite: A First Occurrence in Marble Hosting Gem Spinel Deposits, Luc Yen, Vietnam Vladimir...GussiĂ„s, G.A. Preiswerkite: A First Occurrence in Marble Hosting Gem Spinel Deposits, Luc Yen, Vietnam....trioctahedral mica, from marble-hosted noble spinel deposits of the Luc Yen district, northern Vietnam. It...found in marble for the first time. The preiswerkite is anhedral and associated with phlogopite, aspidolite...spectrum; noble spinel; marblehosted deposits; Luc Yen district; Vietnam Academic Editor: Paola Bonazzi Received: |  | | Catalog/List | | twin xl groups, minor muscovite PERICLINE Italy, Austria, Switzerland Alpine areas Fine large white twin...Quebec, 20 miles West of Montreal waxy masses with phlogopite, rich .. BURKEITE A carbonate-sulfate of sodium...CUPRODESCLOIZITE South West Africa Tsumeb, Otavi-Bergland district Yellow green massive coating descloizite crystals........ Washington Skagit County, Twin Sis ters district Pure green vitreous mass with minor magnetite...near Rome, Cecchina ~ranular crystalline with phlogopite and olivine. 3.25 FOSHAGITE Hydrous calcium |  | | Catalog/List | | mass of black crystals, some Mount Malosa, Zomba District, free standing. ______ ______ Malawi Black crystal...Arizona Pure green cleavage AMAZONITE Landsverk quarry, Evje, Norway Ixl 50p lx2ÂŁl 11 felspar group____________...ÂŁ3 7 Pure black mica plate new Analysis , Saga Quarry, Tvedalen near ANNITE Mica__________ paper available...Chrysotile, pale grey-green Ixl ÂŁ1 County Bridge Quarry,Lizard Mg Fe SiO_______ massive. _________ .Cornwall...1x2 ÂŁ5 1x1 ÂŁ2 2x2 ÂŁ5.00 2x2 ÂŁ2 Hingston Down Quarry,Comwall,England Grey massive in matrix South Crofty |  | Proyer, A., Baziotis, I., Mposkos, E., Rhede, D. (2014) Ti- and Zr-minerals in calcite-dolomite marbles from the ultrahigh-pressure Kimi Complex, Rhodope mountains, Greece: Implications for the P-T evolution based on reaction textures, petrogenetic grids, and geothermobarometry. American Mineralogist, 99 (7) 1429-1448 doi:10.2138/am.2014.4710 | Journal (article/letter/editorial) | | of Graz, UniversitĂ€tsplatz 2/II, A-8020 Graz, Austria Department of Mineralogy, Petrology and Economic...several samples of high-grade calcite-dolomite marble with an early ultrahigh-pressure history. These...dolomite = baddeleyite + forsterite + calcite + CO2. Marble-hosted zircons have been used in several cases...foundâparticularly in those cases where pieces of marble are dissolved in hydrochloric acid and the insoluble...clinochlore + calcite + dolomite + spinel + graphite in a marble xenolith in a diorite pluton (Young and Morrison |  | BaÄĂk, P., Uher, P., CempĂrek, J., VaculoviÄ, T. (2012) Magnesian tourmalines from plagioclase-muscovite-scapolite metaevaporite layers in dolomite marble near ProsetĂn (OleĆĄnice Unit, Moravicum, Czech Republic) Journal of GEOsciences, 57 (3) 143-153 | Journal (article/letter/editorial) | | plagioclaseâmuscoviteâscapolite metaevaporite layers in dolomite marble near ProsetĂn (OleĆĄnice Unit, Moravicum, Czech...plagioclaseâmuscoviteâscapolite metaevaporite layers in dolomite marble near ProsetĂn (OleĆĄnice Unit, Moravicum, Czech...plagioclase (An15â37), muscovite, scapolite, phlogopite, vermiculite, pumpellyite-(Al), and clinozoisite...Plagioclaseâmuscoviteâscapolite rock layers in dolomite marble near ProsetĂn (OleĆĄnice Unit, Moravicum, Czech...represents a NEâSW trending belt of Neoproterozoic to Lower Paleozoic sheared and metamorphosed rocks derived |  | | Catalog/List | | opalescence ................... PERICLINE Italy, Austria 1 SWitzerland Aleine areas Fine large white twin...crystals imbedded in marble ..... . Connecticut Canaan, New England Lime quarry Silky white xl prisms...prisms in dolomitic marble ..... . Connecticut East Canaan Silky white prismatic x1 a,mre,,ates in ora1we...ora1we dolomitic marble with py~ite ."'........ ~ ... . New York Balmat White to cream colored crystalline...material ........... Arizona Cochise Co. , Swisshelm district Rich brown to gray massive, some with minor cerussite |  | | 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 |  | Bernhard, F., Hauzenberger, C., Walter, F., Kristiansen, R. (2008) Pseudosinhalite, magnesiotaaffeite-6N'3S and magnesiotaaffeite-2N'2S as replacement products of spinel in dolomite marble from Stubenberg, Styria, Austria. The Canadian Mineralogist, 46 (5) 1195-1205 doi:10.3749/canmin.46.5.1195 | Journal (article/letter/editorial) | | PRODUCTS OF SPINEL IN DOLOMITE MARBLE FROM STUBENBERG, STYRIA, AUSTRIA Franz BERNHARD§, Christoph HAUZENBERGER...Karl-Franzens-University Graz, UniversitĂ€tsplatz 2, Aâ8010 Graz, Austria Roy KRISTIANSEN PO Box 32, N-1650 Sellebakk, Norway...within polymetamorphic dolomite marble at Stubenberg, Styria, Austria. The crystallization sequence of...spinel, geikielite, ilmenite, marble, Eastern Alps, Stubenberg, Austria. Sommaire Nous documentons la...MgâAlâB-rich rocks subjected to amphibolite facies to lower-grade conditions, or as a retrograde product of |  | | Journal (issue) | | gems you will receive as part of your collection. Marble MINERALS --------------8ism uthin it e, Blue...GEM MATERIALS, MARBLE IS FAIRLY EASY TO RECOGNISE BUT DIFFICULT TO DEFINE The finest marble is white, but... green, grey or red. Scientists usually regard marble as a rock rather than a mineralogical species....a reference to its distinctive sheen Oustre). Marble is not really a mineral species but a metamorphic...although it may be highly variable in composition, marble is principally made up of calcite. Each molecule |  | | Journal (article/letter/editorial) | | Metamict aeschynite-(Y) from the Evje-Iveland district (Norway): heat-induced recrystallization and dehydrogenation...Pb6Sb6S14(S3), a new mineral from the Ceragiola marble quarry...............................................low-T metamorphic Graz Paleozoic, Eastern Alps, Austria. ................................................order-disorder of ND4+/NH4+ in synthetic ND4/NH4âphlogopite: a low-temperature infrared study..............of Fe K-edge XANES spectra in the phlogopite-annite and phlogopiteâtetra-ferriphlogopite joins on the |  | | Journal (issue) | | by W. L. Wilson Kingsbridge, an early quarrying district on Manhattan Island ............................and pyromorphite, all from the Bleiberg district in Austria. For this edition we first had to locate... INTRODUCTION The Southern Illinois fluorite district has been an important domestic source of commercial...galena and sphalerite are common throughout the district. The Minerva No. 1 mine near Cave-inRock has been...The geology of the Southern Illinois fluorite district is well studied. Grogan and Bradbury (1968) give |  | | Journal (article/letter/editorial) | | tremolite in calc-silicate rock within the dolomitic marble. Calc-silicate rock, consisting mainly of tremolite...forsterite, or wollastonite-bearing assemblages in the marble, depending on the bulk rock composition. The XCO2...600 jC in the calcitic marble, while buffered reaction of the dolomitic marble occurred at higher XCO2...minerals constituting the ore and the silicate marble, most of which show end-member mineral compositions...of pelitic hornfels, calcitic marble, metapelite, and dolomitic marble in an upward sequence. Gray to |  | | Catalog/List | | opalescence ............. Fl. ALBITE PERlCLrNE Italy, Austria, Switzerland Alpine areas. Fine large white twin...Canaan , New England Lime quarry. Fl. White crystal prisms in dolomitic marble . . Connecticut East Canaan................. . Pennsylvania Easton, Williams quarry. White fibrous with calcite, asbestos-like. New...display specimens ... New Jersey Paterson, Lower New Street quarry. White trapezohedral crystals in groups...Lead sulfate. Arizona Cochise County, Swisshelm district. Rich gray-to-tan replacement of galena with nodular |  | | Journal (article/letter/editorial) | | the southern Grossvenediger area (Tauern Window, Austria) E. DACHS lnstitut fiir Geowissenschaften Abteilung...Salzburg, Austria ABSTRACT Metasediments in the southern Grossvenediger area (Tauern Window, Austria) were...cross-section. The southern part was metamorphosed at lower temperatures of 430-470" C. The S i a n t e n t...pressure-temperature evolution of the Tauern Window (Tw), Austria. In the south-west TW a P-T path followed by rocks...rocks of the hornblende garbenschist horizon of the Lower Schieferhiille was derived by Selverstone, Spear |  | | Journal (issue) | | by L. A. D. Menezes and J. M. Martins The Jensen quarry, Riverside County, California ...................San Venanzo quarry, Terni, Umbria, Italy, and was later recognized from the Eifel district in Germany...over the worldâ with special emphasis on Germany, Austria and Switzerland. Europe's Newest Mineral i Magazine...titanian augite and magnetite with ac cessory phlogopite, olivine and nepheline. A few years later the...zone 2, and the other consists of a rock with a lower P 20 5 (4.5%) and medium MgO grade (around 5%) called |  | | | | 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 |  | | Journal (article/letter/editorial) | | Innsbruck, Austria With 7 Figures Received June 5, 1986; accepted September 24, 1986 Summary Marble lenses...Crystalline Basement 15 Geological Setting The marble lenses of the Otztal basement are strictly bounded...pressure metamorphic event (Miller, 1970). The marble lenses measure some meters in length and are enclosed...species of the adjacent rocks are enclosed in the marble lenses either as dm-thick layers (predominantly...group-minerals from another, but equivalent outcrop of marble lenses within the same geological zone has already |  | | Journal (article/letter/editorial) | | 1986 Zirconolite, allanite and hoegbomite in a marble skarn from the Bergell contact aureole: implications...phases in a metasomatically altered spinel-calcite-marble from the contact with the Bergell intrusives (Switzerland/Italy)...alteration, calcite was replaced by anorthite + phlogopite, and the rare earth element(REE)-bearing minerals...grain to grain. Contemporaneous formation of phlogopite, REE-bearing minerals and hoegbomite during replacement...replacement of the spinel-calcite-marble indicates that the metamorphic fluid introduced potassium along |
|
