 | | 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...K-feldspar, biotite, muscovite, margarite, chlorite, talc, amphibole, epidote, garnet, phenakite, calcite...order beryl m talc > actinolite > biotite ~--chlorite > phengite (Habachtal) beryl > phengite > biotite >...> garnet (Schrammacher) phengite > beryl > biotite (Felbertal). Textural relations show that the beryls |  | | Journal (article/letter/editorial) | | relatively low-variance mineral assemblage of a talc-kyanite eclogite from Dabie Shan enabled application...(garnet-clinopyroxene geothermometer and the garnet-omphacite-phengite geobarometer) and a multi-equilibrium method to...UniversitaÌt Graz, UniversitaÌtsplatz 2, 8010 Graz, Austria E-mail: alexander.proyer@uni-graz.at Tel.: +43-316-3805541...Mineralogie, UniversitaÌt Salzburg, Hellbrunnerstrasse 34, 5020 Salzburg, Austria C. McCammon Bayerisches...assemblage (garnet, omphacite, quartz/ coesite, phengite, rutile), the P-T values obtained are the only |  | Dunn, Pete J., Chao, George Y., Fleischer, Michael, Ferraiolo, James A., Langley, Richard H., Pabst, Adolf, Zilczer, Janet A. (1985) New mineral names. American Mineralogist, 70 (1-2) 214-221 | Journal (article/letter/editorial) | | aggregatesand tabular specimenscollectedfrom old mine dumps. The mineral is weakly grains. Cleavage{30T}is...new sulfosaltfrom Biirenbad. Hollersbachtal Salzburg, Austria. Tschermaks Min. petr. Miu.. 32. 103-1t0....west of Hollersbachtal,in the province of Salzburg,Austria. It occurs in fan-shapedaggregatesof needle-likecrystals...the cotype assemblage.Both are from the Franklin mine, Franklin, Sussex County, New Jersey. Lennilenapeiteis...occurrences of magnesium-rich chloritoids:(l) with talc, kyanite, garnet,chlorite, and omphacite in mafic |  | 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...kbars at Rabenwald, where the talc- phengiteassemblage is characteristic. Talc-richoresoriginatefrom carbonates(dolomite...quartz from recrystallized podsin zonesadjacentto the talc-chloriteores showsvery typical solutionswith similarcompositions |  | | Journal (article/letter/editorial) | | (HP) metapelitic rocks. In addition to quartz, phengite, paragonite and rutile, the micaschists display...chloritoid + chlorite and garnet + chloritoid + kyanite. Talc has never been observed. Garnet and chloritoid are...(1979) towards higher pressures and adds the phase talc. Observed parageneses in HP metapelites are consistent...lawsonite paragonite quartz sillimanite staurolite talc zoisite INTRODUCTION The garnet-chloritoid-chlorite...phases, including chlorite, kyanite, paragonite, talc, glaucophane and a zinc-rich staurolite (Leupolt |  | | Journal (article/letter/editorial) | | (after coesite) (~180 = 8.1 to 8.6%0, n = 6), phengite (6.2 to 6.4%o, n = 3), kyanite (6.1%o, n = 2)...by the temperature-sensitive dehydration reaction talc + kyanite = pyrope + coesite + H20, the a(H20) must...were made on primary talc and phengite (SD~s~ow~ = - 2 7 to -32%o), on secondary talc and chlorite after...and on the surrounding biotite (SD = -64%o) and phengite (SD = -44%0) gneiss. All phases appear to be in...4809-1063, USA Correspondence to: Z.D. Sharp retrograde talc + chlorite after pyrope may be fluids evolved locally |  | Chen, Yi-Xiang, DemĂ©ny, 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) | | leucophyllites, mainly composed of quartz, muscovite/phengite and Mg-chlorite, occur in several localities in...leucophyllite formation. Two leucophyllites in Austria exhibit higher ï€26Mg values of 0.05 to 0.09â° compared...ï€26Mg (>0.3â°) fluid derived from dehydration of talc-rich serpentinite. This is for the first time to...1a; Koller and Pahr, 1980; DemĂ©ny et al., 1997). Talc and ophicarbonate (limestone, Mg-calcite and dolomite)...deformation the feldspars are altered to fine-grained phengite aggregates while garnet disappears. Along the |  | | Journal (article/letter/editorial) | | Eastern Alps, Austria: Thermobarometry of the assemblage garnet + omphacite + phengite + kyanite + quartz...University of Innsbruck, Innrain 52, A 6020 Innsbruck, Austria Received 28 October 2005; accepted 24 March 2006...five kyanite eclogites from the Tauern Window, Austria, are evaluated on the basis of recent calibrations...calibrations of the assemblage garnet + omphacite + phengite + kyanite + quartz. Results are about 25 kbar, 630...evident from the Tauern samples. The presence of talc is consistent with these PâT values and high H2O |  | | Journal (article/letter/editorial) | | minerals, particularly garnet but also phengite, omphacite and talc. from eclogites and surrounding schists...coexisting fen'omagnesian phases (clinopyroxene, phengite and talc in different assemblages) decreases from core...from eclogites, a talc+ garnet+kyanite 4-quartz schist and garnet + mica (phengite) schists, has been...Electron microprobe profiles across garnet in the talc+garnet+kyanite+quartz schist. garnet and is a)so...rim (Fig. 6a). In contrast to clinopyroxene, the phengite in the eclogite is clearly zoned, with Mineral |  | | Journal (article/letter/editorial) | | Talc-Phengite: a Widespread Assemblage in HighGrade Pelitic Blueschists of the Western Alps by CHRISTIAN...{Received 25 March 1981; in revisedform 25 May 1981) Talc-phengitc, an assemblage hitherto believed to be...characteristic mineral association chloritoidtalc-phengite (Si3.4_3.j). Talc contains up to 15 mole per cent minnesotaite...mole per cent of the magnesium end member. The talc-phengite stability results basically from the disappearance...Fe-Mg-chlorite + quartz -»talc + garnet + H2O .and Fe-Mg-chlorite + quartz -»talc + chloritoid + H2O. These |  | | Journal (article/letter/editorial) | | metamorphism from the Grossglockner region, Hohe Tauern, Austria: Paragenetic evolution and PT-paths of retrogressed...Mineralogie der UniversitĂ€t Salzburg, Hellbrunnerstr. 34, A-5020 Salzburg, Austria 2) Institut fĂŒr Mineralogie...UniversitĂ€t Graz, UniversitĂ€tsplatz 2, A-8010 Graz, Austria Abstract: Retrogressed eclogites occur embedded...glaucophane, (clino)zoisite, quartz and rutile ± phengite and dolomite records conditions of around 17 kbar...from the Eclogite Zone of the Tauern Window, Austria (Miller, 1977; Holland, 1979; Franz & Spear, 1983; |  | | Journal (article/letter/editorial) | | the southern Grossvenediger area (Tauern Window, Austria) E. DACHS lnstitut fiir Geowissenschaften Abteilung...Lagerstaitenkunde, Hellbrunnerstr. 34, A -5020 Salzburg, Austria ABSTRACT Metasediments in the southern Grossvenediger...Grossvenediger area (Tauern Window, Austria) were studied don? a cross-section through rocks of increasing...+ dolomite + quartz + phengite I and probably tremolite + dolomite + phengite I. Secondary, post-kinematic...post-kinematic assemblages (tremolite + calcite, talc + calcite, phengite 11 + chlorite + calcite (+ quartz), biotite |  | 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) | | 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...production to 20.3 Mt at 2.17 g/t (1986â2009). District-scale mapping [15] established that the deposit |  | | Journal (article/letter/editorial) | | reactions relating chloritoid-staurolite--chlorite--talc--kyanite--garnet together with amphibole, pyroxene...stable part of the parageneses (e.g., paragonite, phengite, Naamphibole, lawsonite and epidote; see below)...highpressure metamorphic terrains in the Tauern Window, Austria (Miller, 1974, 1977; Holland, 1979a, b), New Caledonia...staurolite, chloritoid, biotite, chlorite, sometimes talc, b u t apparently not cordierite. Of the various...P --T stability fields for chlorite, garnet and talc coexisting with quartz and muscovite are shown together |  | | Journal (article/letter/editorial) | | geochemical data for ââpyrope quartziteââ, various phengite-schist and jadeite-bearing rock intercalations...protoliths. Trace-element contents of the different phengite schists included in the ââpyrope quartziteââ conïŹrm... this rock should, in fact, be named a quartzâphengiteâpyropeâkyanite/(coesite) rock. However, for reasons...introduced and deïŹned by Schreyer (1973, 1974) as a talc + kyanite-bearing rock type rich in Mg and Al, but...al., 1997). Pawlig & Baumgartner (2001) studied a talcâkyaniteâchloritoid whiteschist from the Monte Rosa |  | | Journal (article/letter/editorial) | | These zones are characterized by an increase in phengite and biotite content, and mm-size garnet are locally...biotite-phengite schist with abundant 10â800 lm garnet. Chlorite increases in abundance and phengite and...composed of serpentine with narrow rims containing talc ± carbonate. Tremolite appears in the easternmost...easternmost PïŹtsch region and wider rims of tremolite ± talc ± phlogopite develop around the serpentinites in...margins of this serpentinite body are dominated by talc ± tremolite, but the interior is largely composed |  | | Journal (article/letter/editorial) | | of these rocks and mineral separates of pyrope, phengite, and monazite from âpyrope quartziteâ were analyzed...patterns of all granitic country-rock gneiss, phengite schist- and garnetjadeite-quartz-layer intercalations...enrichment of all, especially light, REEs, whereas in phengite only the light REEs (LREEs) La, Ce, and Nd were...(1973, 1974) for a rock type characterized by a talc ĂŸ kyanite-bearing mineral assemblage, is also quite...finding of pyrope, kyanite, high-Si- and high-XMg-phengite and quartz/coesite inclusions within zircon of |  | | Journal (article/letter/editorial) | | assemblage in the sodic metapelites is quartz + phengite + jadeite + glaucophane + chloritoid + lawsonite...and the overlying metabasite-metachert sequence. Phengite RbâSr and ArâAr data from the blueschists indicate...quartz-rich greyschists at the base, and white, phengite-rich schists at the top below the marbles (Lisenbee...smaller grain aggregates. White mica, predominantly phengite, forms aggregates of slender crystals deïŹning...samples contained paragonite closely associated with phengite, similar to the textures described by Shau et |  | | Journal (article/letter/editorial) | | Paragonite in marbles from the Tauern Window, Austria: Compositional and thermobaric controls G.T.R....dome a b s t r a c t Paragonite coexists with phengite, chlorite, zoisite, tremolite and quartz in dolomitic...in the Sonnblick area of the SE Tauern Window, Austria, prompting an investigation into the petrogenetic...in the Sonnblick area in the SE Tauern Window, Austria. This is an area dominated by rocks that have undergone...SchieferhĂŒlleâ cover sequence in the SE Tauern Window, Austria. They crop out in a 30 m thick layer which is well |  | | Journal (article/letter/editorial) | | Petrographic, Universit/it innsbruck, A-6020, Austria Received November 28, 1989 / Accepted April 30...the subsolidus region, the reaction muscovitess + talc~ + tremolite~s -- phlogopitess + zoisite + quartz...around 21 kbar/755 ~ C. Muscovite + tremolite + talc or kyanite comes in at higher pressures. These phase...zoisite; Ky, kyanite; Qz, quartz; Tr, tremolite; Ta, talc; Kf K-feldspar; An, anorthite 394 Table 1. Unit...phlogopite is estimated to be less than 10 mol%. Talc synthesized frona gel at 20 kbar, 750 ~ C, 7 days |  | | Journal (article/letter/editorial) | | compositional domains in garnet, chloritoid and phengite coexisting with kyanite, r-utile and quartz shows...of the investigated sample (St10381 comprises phengite, quartz, r-utile, chloritoid, kyanite and garnet...of the inclusions, while chloritoid, kyanite, phengite and rutile are found in subordinate amounts. The...mm in x and 0.006 mm in y direction), (c) large phengite grains (steps 0.004 mm in both directions) and...trace amounts. 4.2.3. Phengite In addition to about 120 complete analyses of phengite, several element distribution |  | | Book | | (Abforming durch AusfuÌllung); e.g., the famous talc pseudomorphs after quartz crystals from GoÌpfersgrun...malachite after azurite b. taking up a component; e.g., talc after quartz c. replacement (austausch) of a component;...structurally sharp. After the MgCl2 experiments pure talc and/or serpentine were formed as the replacement...composition, and consisted of talc- and serpentine-type phases fitting in either the talc [Mg3Si4O10(OH)2]e willemseite...using pure MgCl2 solution the newly formed phase was talc. In addition to the replacement phases, the outer |  | | Journal (article/letter/editorial) | | properties of phengitic micas and revised garnet-phengite thermobarometers R. COGGON AND T. J. B. HOLLAND...Thermodynamic consistency is achieved for data on phengite compositions in assemblages with (a) pyrope+kyanite+quartz...almandine+kyanite+quartz â coesite (c) talc+kyanite+quartz â coesite and (d) garnetâphengite pairs equilibrated both...asymmetric van Laar model, and the effects of the phengite substitution into muscovite have been quantitatively...Results are applied to a natural pyropeâ coesiteâphengiteâtalc rock from the Western Alps, and to investigate |  | | Journal (article/letter/editorial) | | Eclogite zone of the Hohe Tauern, Eastern Alps, Austria Gert Hoschek Institut fur š MineralogieâPetrographie...UniĂersitat š Innsbruck, Innrain 52, A-6020 Innsbruck, Austria Received 19 March 2001; accepted 2 September 2001...smaller grain size is comparatively subordinate. Phengite is the dominant white mica, but paragonite is...metasediments and metabasites Garnet Phengite Paragonite Biotite Chlorite Talc Quartz Plagioclase Omphacite Amphibole...section photo of Fig. 2a.. Nearby inclusions of talc suggest the reaction rutile q calcite q quartz) |  | | Journal (article/letter/editorial) | | rutile, titanite, ilmenite, phengite, chlorite, chromite, titanite and talc). These aggregates may well...Riphean dolomite marble, 9 â altered ultrabasic rocks (talc-brucite-carbonate rocks and listvenites), 10 â carbonatites:...1989). RbâSr dating of the metamorphism using phengite gave 550 14 Ma (MSWD â 1.2). Addition of Si...metamorphism is indicated by the formation of quartz, phengite, talc, actinolite and anthophyllite. Strontianite...allanite-(Ce), strontianite, synchysite-(Ce) Phengite, quartz, talc, anthophyllite, actinolite, allanite-(Ce) |
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