 | Moine, Bernard, Fortune, Jean Pol, Moreau, Philippe, Viguier, Francis (1989) Comparative mineralogy, geochemistry, and conditions of formation of two metasomatic talc and chlorite deposits; Trimouns (Pyrenees, France) and Rabenwald (Eastern Alps, Austria) Economic Geology, 84 (5) 1398-1416 doi:10.2113/gsecongeo.84.5.1398 | Journal (article/letter/editorial) | | Deposits:Trimouns (Pyrenees,France) and Rabenwald(EasternAlps, Austria) BERNARDMOINE, JEAN POL FORTUNE, Laboratoirede...F.31000 Toulouse,France PHILIPPE MOREAU, S. A. Talc de Luzenac, 2 Place Edouard Bouilli3res, F.31000...Trimouns(FrenchPyrenees)andRabenwald(AustrianAlps)talc andchloritedeposits occurwithin Paleozoicmetamo...tectonicslicing)of late Hercynian(Trimouns)andAlpine(Rabenwald) age.The studyof the mineralassemblages andthe...8 to 9 kbars at Rabenwald, where the talc- phengiteassemblage is characteristic. Talc-richoresoriginatefrom |  | | Journal (article/letter/editorial) | | Petrology © by Springer-Verlag 1992 Printed in Austria Phyllonite Formation and Alteration of Gneisses...Shear Zones (Gleinalmkristallin, Eastern Alps/Austria)* W. Prochaska 1, A. Bechtel 2, and U. K16tzli...Geowissenschaften, Montanuniversitfit Leoben, Austria 2 Mineralogisch-Petrologisches Institut der Universit~it...O-Isotopenanalysen ergaben Temperaturen yon 480 °C. Die K/Ar- Abki.ihlalter der Hellglimmer der Nebengesteine...been mined in Austria since 1850. The industrial application is similar to those of talc or kaoline. In |  | | Journal (article/letter/editorial) | | (1973, 1974) for a rock type characterized by a talc þ kyanite-bearing mineral assemblage, is also quite...D-70176 Stuttgart 1214 C. Grevel, W. Schreyer, K.-D. Grevel, H.-P. Schertl, A. P. Willner 2008), this...is formed at the expense of chlorite þ kyanite þ talc during the prograde metamorphism, a second type...peak metamorphic conditions due to the reaction talc þ kyanite ¼ pyrope þ coesite þ H2O (Schertl et al...leucophyllite samples from Miesenbachtal and Rabenwald in the Eastern Alps and one country-rock gneiss |  | Chen, Yi-Xiang, Demény, Attila, Schertl, Hans-Peter, Zheng, Yong-Fei, Huang, Fang, Zhou, Kun, Jin, Qi-Zhen, Xia, Xiao-Ping (2020) Tracing subduction zone fluids with distinct Mg isotope compositions: Insights from high-pressure metasomatic rocks (leucophyllites) from the Eastern Alps. Geochimica et Cosmochimica Acta, 271. 154-178 doi:10.1016/j.gca.2019.12.025 | Journal (article/letter/editorial) | | A., Schertl, H-P., Zheng, Y-F., Huang, F., Zhou, K., Jin, Q-Z., Xia, X-P., Tracing subduction zone fluids...leucophyllite formation. Two leucophyllites in Austria exhibit higher 26Mg values of 0.05 to 0.09‰ compared...26Mg (>0.3‰) fluid derived from dehydration of talc-rich serpentinite. This is for the first time to...1a; Koller and Pahr, 1980; Demény et al., 1997). Talc and ophicarbonate (limestone, Mg-calcite and dolomite)...gneiss-leucophyllite transition. The abundance of K-feldspar and albite is reduced at the expense of increasing |  | | Journal (article/letter/editorial) | | elsevier.com/locate/oregeorev Carbonate-hosted talc deposits in the contact aureole of an igneous intrusion...January 2002; accepted 18 June 2002 Abstract Many talc deposits occur in the Hwanggangri Mineralized Zone...the contact with the Cretaceous Muamsa Granite. Talc commonly forms fine-grained, fibrous aggregates...tremolite is included as impurities in the talc ore. Talc generally was derived from tremolite in calc-silicate...Hydrothermal alteration of calc-silicate rock to talc is marked by the addition of Mg and Si, and the |  | | Journal (article/letter/editorial) | | have been formed. By de®nition, whiteschists are talc-kyanite rocks (Schreyer 1973, 1974), although this...is a pyrope-coesite rock produced by the reaction talc + kyanite = pyrope + coesite + H2O (Schertl et al...gneiss, c micaschist, d graphitic micaschist, feldspar-bearing micaschist, e kyanite quartzite; 1 FertoÈraÂkos...gneissleucophyllite transition. The abundance of K-feldspar and albite is reduced at the expense of increasing...successions have been described in the Rabenwald (Austria) talc-chlorite deposit (Moine et al. 1989). |  | | Journal (article/letter/editorial) | | E., 149 Alkali feldspar, micropores and micropermeable texture in, 505 Alkali feldspar, phenocrysts from...Tauern Window (Eastern Alps), 641 A1,Si order, in K-feldspars using aTA1 and agsi MAS Nuclear Magnetic...Alteration, and exsolution microtextures in alkali feldspar phenocrysts from the Shap granite, Cumbria, NW...NW England, 63 Amorphization, of hydrogen feldspar, 15 Amphibolites, from the western Tauern Window (Eastern...systematics, in the study of microtextures in alkali feldspar phenocrysts from the Shap granite, Cumbria, NW |  | Giuliani, Gaston, Groat, Lee A., Marshall, Dan, Fallick, Anthony E., Branquet, Yannick (2019) Emerald Deposits: A Review and Enhanced Classification. Minerals, 9 (2) 105 doi:10.3390/min9020105 | Journal (article/letter/editorial) | | hosted in: (IIA) Mafic-ultramafic rocks (Brazil, Austria); (IIB) Sedimentary rocks-black shale (Colombia...deposits or hidden granitic intrusion-related (Austria, Egypt, Australia, Pakistan), and some unclassified...ct. Insufu rough emerald extracted from the Kagem mine in 2015. Lastly, on the 2th of October, the remarkable...(“the lion elephant”) was extracted from the same mine [3]. Other giant crystals have been discovered in...emerald crystals was discovered in the Carnaíba mine, Brazil; the specimen weighed 341 kg with 1.7 million |  | | Book | | (Abforming durch Ausfüllung); e.g., the famous talc pseudomorphs after quartz crystals from Göpfersgrun...(Umwandlung mit Austausch von Stoffen); e.g., feldspar altered to cassiterite. In 1855, Gustav Georg...malachite after azurite b. taking up a component; e.g., talc after quartz c. replacement (austausch) of a component;...been erroneously described as pseudomorphs after feldspar or calcite. Polyhedroid is the preferred term...local equilibria defined by a Lippmann the product, K(Br,Cl), appears milky, due to the development of þ |  | | Journal (article/letter/editorial) | | . . . . . . . . . . . . . . . . . . . . . . . Feldspar . . . . . . . . . . . . . . . . . . . . . . ....and mineralogy of feldspar . . . . . . . . . . . . . . . . 39.2. Magmatic feldspar deposits . . . . ...Structure-bound feldspar deposits . . . . . . . . . . . . . . . . . . 39.4. Sedimentary feldspar deposits ...5. Metamorphic feldspar deposits . . . . . . . . . . . . . . . . . . . . 39.6. Feldspar supply and use.... . . . . . . . . . . . . . . . . . . . 51.2.2. Talc-pyrophyllite . . . . . . . . . . . . . . . . . | | | Journal (article/letter/editorial) | | . . . . . . . . . . . . . . . . . . . . . . . Feldspar . . . . . . . . . . . . . . . . . . . . . . ....and mineralogy of feldspar . . . . . . . . . . . . . . . . 39.2. Magmatic feldspar deposits . . . . ...Structure-bound feldspar deposits . . . . . . . . . . . . . . . . . . 39.4. Sedimentary feldspar deposits ...5. Metamorphic feldspar deposits . . . . . . . . . . . . . . . . . . . . 39.6. Feldspar supply and use.... . . . . . . . . . . . . . . . . . . . 51.2.2. Talc-pyrophyllite . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | a Regional Metamorphic Terrain (Tauern Window, Austria): Parageneses and Crystal Chemistry G. Franz, G...similar metamorphic grade from the Tauem Window, Austria, were analyzed by electron microprobe. The results...quartz, plagioclase, K-feldspar, biotite, muscovite, margarite, chlorite, talc, amphibole, epidote, garnet...F etot) -2+ " ratio varies in the order beryl m talc > actinolite > biotite ~--chlorite > phengite (Habachtal)...phenakite + 2 muscovite + 9 quartz = 2 beryl + 2 K-feldspar + H20 (2) 3 phenakite + 5 muscovite + chlorite |  | | Journal (article/letter/editorial) | | Mineralization during RegionalMetamorphism'The Habachtal (Austria)and Leydsdorp(Transvaal,SouthAfrica) Deposits G...ultrabasicrocks.Detailed studiesof the I-Iabachtal(Austria)and Leydsdorp(South Africa) emeralddepositsindicatethat...well-knownschist-hosted emeralddepositsof the Habachtal (Austria) and of Leydsdorp (Transvaal, SouthAfrica) have...chemistry,and regionalmetamorphism actinolite, and talc schists.Intense Be, W, Cu, Mo, Bi is very important...tectonicm•lange, proin the Tauern window (easternAlps, Austria) near ducedmainlyby alpine tectonism. Accordingto |  | Martin, Silvana, Toffolo, Luca, Moroni, Marilena, Montorfano, Carlo, Secco, Luciano, Agnini, Claudia, Nimis, Paolo, Tumiati, Simone (2017) Siderite deposits in northern Italy: Early Permian to Early Triassic hydrothermalism in the Southern Alps. Lithos, 284. 276-295 doi:10.1016/j.lithos.2017.04.002 | Journal (article/letter/editorial) | | Herzegovina), Erzberg, Werfen and Hüttenberg (Austria), Harz Mountains (Germany), St. Georges d’Hurtières...hydrothermally altered volcanoclastic rock made of quartz, K-feldspar, white mica and, occasionally, bitumen. The dominant...the high-temperature veins of the Regina-Bovegno mine (Brescian Alps). Carbon and oxygen isotope analyses...mineralization. In sample L3-T11 from the Novazza mine, former uraninite is often replaced by alteration...brannerite crystal. Sample VV31 from the Val Vedello mine contains abundant disseminated submicron- to micron-sized |  | | Journal (article/letter/editorial) | | Australia and in Paleozoic carbonate rocks in Austria, Slovakia, Italy, and Spain. In Russia, Satka-type...admixtures of dolomite and occasionally quartz, talc, and sericite. The FeO content in all SMDs is always...magnesite lodes are enriched in dolomite, quartz, and talc. Poikilitic euhedral quartz crystals locally reach...(polytype 2M1), as well as allogenic quartz and feldspar grains as an admixture. The ore-bearing Karagai...small admixture of pyrite, chlorite, and sporadic talc disseminations, as well as resorbed quartz, occur |  | | Report (issue) | | Asia: Pakistan, Afghanistan and India .......6 0 Old Mine Emeralds . . . . . . . . . . . . . . . . . . . ...Maharajahs and Maharanis held large emeralds (see "Old Mine Emeralds" page 62). The Color of Islam Emerald...world such as the Art History Museum in Vienna (Austria) and the Kremlin in Moscow (Russia). The Museo...zone in the Muzo Coscuez-Pefias Blancas mining district. They are disseminated in black shales or albitized...beryl, but also include bitumen, pyrite, monazite, K-feld spar, epidote, zircon and apatite (Ohnenstetter |  | | Book | | & gravel 235 Sandstone and related materials Feldspar 106 Fluorspar Garnet Graphite 110 Slate ... Sodium sulfate 122 = 130 Iodine 138 Sulfur Talc 260 265 274 Vermiculite 145 Magnesite & magnesia...industry are clear: the mining and milling of feldspar, for example, belong to this book but the manufacture...major producing districts, or a representative district if there are many. We name the chief mining companies...supply must come not merely from one district but from a single mine. Thus the physical properties of many |  | | Book | | t i t l e s in this series 1. I.L. ELLIOT and W. K. FLETCHER GEOCHEMICAL EXPLORATION 1974 (Editors)...non-metalllo deposits in Czechoslovakia, mainly of talc, magneslte, kaolin and clay, by visits to deposits...industry in variously prepared forms of minerals (e.g. talc, asbestos, diamond) or rooks (e.g., diatomaceous..."ore" is also employed, for example, for asbestos, talc, magnesite and similar raw materials· Some raw materials...alkali-calcic magma rich in Si0 2 , K 2 0, Na 2 0, CaO and other lithophile elements (K, Rb, Ba, Sr, U, Th, Zr, etc |  | Abdel Gawad, Ahmed E., Ene, Antoaneta, Skublov, Sergey G., Gavrilchik, Alexandra K., Ali, Mohamed A., Ghoneim, Mohamed M., Nastavkin, Aleksey V. (2022) Trace Element Geochemistry and Genesis of Beryl from Wadi Nugrus, South Eastern Desert, Egypt. Minerals, 12 (2) 206 doi:10.3390/min12020206 | Journal (article/letter/editorial) | | Antoaneta Ene 2, * , Sergey G. Skublov 3,4 , Alexandra K. Gavrilchik 4 , Mohamed A. Ali 1 , Mohamed M. Ghoneim...bright-green rim is richer than the pale-green one in Na, P, K, Ca, Fe, Rb, Cs and F, but poorer in Mg and Li. The...percolation through pre-existing serpentinite and talc carbonates, metagabbros and biotite schists and...granites, Nb >> Ta+Be+Sn+Mo+Wenriched, such as alkali feldspar granite (e.g., Homr Mukpid, Homr Akarim and Qash...essentially 2. Geologic Settingcomposed of quartz, K-feldspar, plagioclase and biotite. Biotite gneisses are |  | | Journal (article/letter/editorial) | | remobilization. Geologic Background The Balmat mine is located in the Adirondack Lowlands region of...eight decades of exploration at the Balmat zinc mine has allowed the definition of 16 sub-units in the...would form. Method and Samples Although the Balmat mine was closed in 2001, and throughout the interval...quartz-pyrite-dominant domains; 3) potassium feldspar-rich domains; and 4) retrograde talc-rich domains. All samples are...by that of other phases, including sphalerite. K-feldspar is a minor phase in granoblastic domains where |  | | Journal (article/letter/editorial) | | uniform manner in Ca minerals. Compared with average talc-alkali basalt melts, plagioclase, kaersutite, augitic... orthopyroxene, apatite, sphene, zircon and most K, Na rioh minerals other than plagio&se have high Y...appear to be signi&antly richer in Y than modern talc-alkali basalts, and these in turn may be richer...in routine rapid analysis, after correction for Rb K, interference. Indeed, the series of elements Rb-Nb...temper~t~e of structural eq~ibration of the individual mine&. The ~~fioant factor governing Y in plagioclase |  | | Journal (article/letter/editorial) | | have also been mined in Afghanistan, Australia, Austria, Bulgaria, China, India, Madagascar, Namibia, Nigeria...H2O molecules and the larger alkali atoms (Cs, Rb, K) occupy the 2a sites and Na atoms occupy the smaller...occurrence in Canada, the Muzo mine in Colombia, the Mohmand district in Pakistan, and Norway. Beryl...to 0.02% were of gem-quality. 89 Since then the mine has been re-opened and closed several times (Walton...pegmatite veins and are associated with quartz, feldspar, biotite, and wolframite. The H isotopic composition |  | | Book (edition) | | practical study the largest face that inter- ratio h: k: ally, in The x, axial frame of reference z, with...they become the integers h, kand The integers h, k and / are the indices of the face and when enclosed...more general the form (nonzero, nonequivalent /?, k, and /), the more faces exist. Thus in the triclinic...MOHS TABLE OF HARDNESS minium powder ( + 1. TALC 6. 2. GYPSUM 7. ) 3. 4. 5. sulfur ^/sjpowder...(cerargyrite and gypsum). Other minerals are flexible (talc, molybdenite); others elastic so that if bent and |  | Mueller, Andreas G., McNaughton, Neal J., Muhling, Janet R. (2021) Albite ± Actinolite-Altered Porphyry Dykes in Archean Gold Deposits of the Boulder Lefroy-Golden Mile Fault System, Yilgarn Craton, Western Australia: Petrography, Chronology, and Comparison to Canadian Albitites. Minerals, 11 (11) 1288 doi:10.3390/min11111288 | Journal (article/letter/editorial) | | biotite-carbonate and late sericite-carbonate-alkali feldspar replacement is bound to the contacts of a felsic...post-kinematic actinolite-pyrite selvages overprinting talc-chlorite-phlogopite-dolomite schist. It contains...(chl-cal-bt) and talc-dolomite-phlogopite schist (modified from biotite (chl-cal-bt) and talc-dolomite-phlogopite...talc-dolomite-phlogopite (talc-dol-phl)(talc-dol-phl) schist (modified from [14]). Surface [14]). Surface samples 59070...andlink a biotite contact zone (Bt) from talc-dolomite talc-dolomite schist. chlorite-calcite Flat quartz |  | | Journal (article/letter/editorial) | | V4+O(SO4)(H2O)3 M ONOCLINIC Locality: The North Mesa 5 mine, SW ¼ of section 35, and the adjacent eastern edge...ONOCLINIC Localities: Las Colmenitas and Los Llanos mine, 2 km northwest of Santa Marta village (Lat. 38°...Badajoz province, Spain. It also occurs at the La Muda mine, in Azuaga (Lat. 38° 20'20"N, Long. 5° 47'30"E)...at the Venus mine, Sierra Gorda, Argentina, and at the Nepomucene mine, Annaberg, Austria. Occurrence:...Cattiite Mg3(PO4)2•22H2O T RICLINIC Locality: Zhelezny mine, Kovdor Massif, Kola Peninsula, Russia. Occurrence: |
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Talc mine, Rabenwald, Anger, Weiz District, Styria, Austria