 | | Journal (article/letter/editorial) | | Eine Parallele zwischen der Eiskalotte Jungfraujoch und den grol3en Eisschildern der Arktis und Antarktis...Spannungs- und Fonn~inderungszustand im Gebirge in der Naehbarsehaft bergm~innischer Hohldiume. - - Abh...1958. SANDER, B.: Einffihrung in die Gefiigekunde der geologisehen KSrper. - - 1. Bd., 9.15 p., 66 Abb...Vorkommen yon Pyrophyllit, Giimbelit und Quarziten in der Kon'taktaureole des Bramscher Massivs Von E. DIETER8CHREYER...Zusammenfassung Die geophysikalisehen Untersu&ungen am Stfrk6rper von Bramsehe, ca. 20 km N Osnabrfiek, |  | | Journal (article/letter/editorial) | | the Glockner nappe (south-central Tauern Window, Austria), a metamorphic sequence of metasediments intercalated...Minerals from the pseudomorphs and the matrix yield an Oligocene internal mineral isochron age of 29.82...Introduction Lawsonite (CaAl2 [(OH)2 |Si2 O7 ]·H2 O) is an important high pressure/low temperature mineral in...Together with glaucophane, it is commonly considered as an indicator for rocks exhumed from subduction zones...high water content of 11.5 wt.%, lawsonite plays an important role in water transport in subduction zones |  | | Journal (article/letter/editorial) | | central Ontario (Lumbers 1967) it is a region of an almost uniformly high grade of metamorphism, that...first half of this paper. The last half constitutes an attempt to deduce metamorphic conditions in this...conditions by this ~.nd otb~, means is without doubt an important objective of geochemistry, and the u:;e...that the reactions are not strictly univariant (Althaus 1969, Zen 1969). Certainly, dehydration and decarbonation...underlain by Precambrian rocks of the Grenville province. An approximate time scale is shown in Table 1. Rocks |  | | Journal (article/letter/editorial) | | the Eclogite Zone, south-central Tauern Window, Austria F.S. SPEAR 1 and G. FRANZ 2 Department o f Geology...the Eclogite Zone, south-central Tauern Window, Austria. In: W.L. Griffin (Editor), Second International...evolution of the Eclogite Zone, Tauern Window, Austria. The peak metamorphic assemblages in the two rock...dolomite + quartz; zoisite + muscovite + dolomite + calcite + quartz; and (II) garnet + chloritoid + kyanite...o n e (EZ) in the south-central Tauern Window, Austria, consists o f a lithologically diverse sequence |  | | Journal (article/letter/editorial) | | HOSCm~K* Mineralogisch-Petrologisches Institut der Universit~t G6ttingen Received February 12, 1969...reversible equilibrium has been demonstrated. At an oxygen fugacity corresponding to that of the :FMQ...address: Mineralogisch-Petrographisches Institut der Universit~t Innsbruck. The Stability of Staurolite...with pseudothuringite. Mg-rich chlorite (Kalwang, Austria), vein deposit. Chemical analysis gives the formula...agreement with this value. Staurolite (Hiittenberg, Austria), from medium-grade pelitic rocks. A partial chemical |  | | Report (chapter) | | in carbonate rocks, Northern Calcareous Alps, Austria CHRISTOPH S P O T L l, M I C H A E L & FRED J...Universitgtt Innsbruck, Innrain 52, 6020 Innsbruck, Austria 2US Geological Survey, Denver Federal Center, Mailstop...dolomite, magnesite, fluorite and calcite, K-feldspar and minor albite record an event of regionally extensive...from several localities yield two age populations, an older one of 145-154 Ma, and a younger one of c....in carbonate rocks, Northern Calcareous Alps, Austria. In: PARNELL,J. (ed.) 1998. Dating and Duration |  | Banno, Y., Miyawaki, R., Kogure, T., Matsubara, S., Kamiya, T., Yamada, S. (2005) Aspidolite, the Na analogue of phlogopite, from Kasuga-mura, Gifu Prefecture, central Japan: description and structural data. Mineralogical Magazine, 69 (6) 1047-1057 doi:10.1180/0026461056960307 | Journal (article/letter/editorial) | | amphibole (pargasite-magnesiosadanagaite), titanite, calcite, scapolite, apatite, pyrrhotite and chalcopyrite...®rst found in chlorite schists from Zillertal, Austria, was initially de®ned by von Kobell (1869) as a...Na-dominant analogue of phlogopite (Franz and Althaus, 1976). Schreyer et al. (1980) described the Na...2 by the assemblage dolomite-quartz-tremolite-calcite, zone 3 by the assemblage diopside-dolomite, and...representing zone 4) in the Kawai pit of the Kasuga mine, which had produced wollastonite and dolomite (Fig |  | | Journal (article/letter/editorial) | | Relations of Talc and Tremolite in Metamorphic Calcite-Dolomite Sediments in the Southern Portion of the...E. Holier Mineralogiseh-Pctrologisehes Institut der Universit~t GSttingen Abstract. The occurrence of...temperature gradient was investigated in siliceous calcite-dolomite sediments exposed along a strip in the...4 quartz ~- 1 HsO ~ i talc + 3 calcite -t- 3 C02 5 talc q- 6 calcite A- 4 quartz @ 1 tremolite ~- 6 CO...CO 2 + 2 H20 2 talc ~- 3 calcite ~ 1 trcmolite ~- 1 dolomite -? 1 COs ~ 1 H20 5 dolomite Jr 8 quartz |  | | Journal (article/letter/editorial) | | ps of the A12SiO5 polymorphs may in fact be due to an error of similar magnitude in A G~,20s of corundum...mica has been convincingly demonstrated to occur as an authigenic phase in sedimentary rocks. In face of...quartz-paragonite assemblage in various metamorphic rocks and an application of the P~2o-T relation of its stability...~-quartz is marked by their reaction yielding albite, an Al~SiO a phase and H20. Ivanov and Gusyrdn (1970)...have reversed this reaction at 1 kb P~,o, obtaining an equilibrium temperature of 500-4-5 ~ C. As will be |  | | Journal (article/letter/editorial) | | well-developed grabens of different ages, may still be in an initial stage of graben formation. The discussion...fracture system, with 13 fracture families, with an average distance of 14B2.57 between the frequency...petrology (e.g. SO4 waters from evaporites or acid mine drainage) or by mixing. The graphic representation...not occur in the massif, regardless of some deep mine drainage. They are frequent in the Lower Rhine Embayment...from two mineral water wells. Sid siderite; Cc calcite; Dol/ Ank dolomite/ankerite; Ab albite; Qz quartz; |  | | Journal (article/letter/editorial) | | of a coherent highpressure blueschist terrane and an early Miocene greenschist facies overprint. This...fractionations which are independent of rock type. An average temperature of 455 ~ C was obtained, although...intercalated with clastic sediments and volcanites, and an upper unit which was apparently thrust onto the lower...carbonate-bearing sequences of the lower unit were deposited on an older Hercynian basement, which outcrops on the island...[Franciscan (Taylor and Coleman 1968); Ou6goa District, New Caledonia (Black 1974); Shuksan complex (Brown |  | | Journal (article/letter/editorial) | | Tauern (Austria) G. Hoschek Mineralogisches Institut, Universit/itsstr. 4, A-6020 lnnsbruck, Austria A b...on the appearance of biotite + calcite and biotite +zoisite + calcite. The latter isograd corresponds...alpidic metamorphism in the central part of this area. An estimate of P, T, Xfluid conditions can be obtained...margarite, tremolite, zoisite, anorthite, quartz, calcite, and dolomite in the system K20 CaO-- M g O - A...the stability field of zoisite and of biotite + calcite + quartz are indicated. Introduction A large |  | | Journal (article/letter/editorial) | | den Tex, Geolog:'ch en Mineralogisch Instituut der Rijknmiversiteit, Garenmarkt, Leiden, Netherlands...a substantial increase of entropy (+AS) but also an increase in volume (+AV) depending chiefly on the...least 26 r. DEN rEX 400 °C onward, :since Althaus (1966, 1968) succeeded at 3904-10 °C and 2kb PHzO...laboratory, but Wynne-Edwards (1968) has tentatively drawn an equilibrium curve for it, some 50 °C above that of...tact metamorphic rocks, but its reaction x'Ath calcite and quartz involves a free gas phase: CO2. The |  | | Journal (article/letter/editorial) | | epidote, aegirine-augite, and rarely deerite. Calcite is a common accessory mineral in all lithologies...Shuksan contains: albite instead of jadeite+ quartz, calcite instead of aragonite, pumpellyite + epidote + albite...personal communication (1981), and Heinrich and Althaus (1980); 7, Nitsch (1971); 8, Schiffman and Liou...the part of the Shuksan Suite of this study of calcite instead of aragonite suggests pressures less than...kilobars at 400 ~ C (line 3, Fig. 3), but the calcite does not provide strong evidence because of the |  | | Journal (article/letter/editorial) | | These temperatures agree with those reported by Althaus et al. (1970) but are systematically higher than...igneous and metamorphic rocks that its stability is an important considerationin the construction of any...reactionsinvolving andalusiteand sillimanite. Althaus et al. (197A) reported data on the reaction involving...moderately broad X-ray diffraction peaks characteristic of an lM polymorph (Yoder and Eugster, 1955) which partially... The muscovite starting material did not produce an X-ray diffraction pattern which would permit a meaningful |  | | Journal (article/letter/editorial) | | alkaline character of the blueschist, which suggests an oceanic island or a transitional MORB type primary...Same mineral assemblages from tectonic blocks within an ophiolitic melange zone. The blueschists from Ladakh... overlies the blueschists discordantly and forms an important time marker. The conglomerate embits in...(Conglomerates of Liu Quiu, Academica Sinica, 1980) an Oligocene to lower Miocene age can be inferred for...suggest a deep marine environment within or near an active volcanic area as indicated by the occurence |  | | Journal (article/letter/editorial) | | Institut, Senckenberganlage 32-34, 60054 Frankfurt am Main, Germany ¨ Institut fur Senckenbergstr. 3, 35390...Mineralogie, Senckenberganlage 28, 60054 Frankfurt am Main, Germany Received 10 February 1998; accepted...increase due to mineralization of prehnite Ž"epidote" calcite. within open fractures and pore space. Gains in...surrounded by newly grown prehnite" epidoterzoisite" calcite; parallel Nic.; depths 1299 m. 140 G. Zulauf...minor amounts of prehnite, epidote, actinolite, calcite, and quartz ŽFig. 5.. 4.2. Chemical data of paragneisses |  | | Journal (article/letter/editorial) | | Mineralogisch-Petrologisches Institut der Universit~t, GSttingen Eingegangen am 11. November 1971 The P.T-Xco"...shown by experimental determination of reaction calcite + pyrophyllite + H~O = lawsonite + quartz + CO~...zu ermitteln. L a w s o n i t wird gebildet bei der sehr niedriggradigen Metamorphose v o n ehemisch...r p h e s Mineral, das auf den ,,very low stage" der Metamorphose beschr~nkt ist. Das Versehwinden y o...low stage" der Metamorphose festlegt. Das P-T-Xco-Stabilit~tsfeld von Lawsonit 117 In der Vergangenheit |  | | Report (volume) | | about 2.0 and 3.0 GPa. Many studies have shown that an understanding of trace element geochemical processes...locality in the Tauern/Austria, an epidote conference was held in Neukirchen/Austria organized by the Austrian...some overlap between individual chapters. This is an inherited problem in a mineral group such as the...Stünitz, Thomas Will, Antje Wittenberg, who have done an excellent job and helped us to complete the editorial...and Chemical Properties of the Epidote Minerals – An Introduction – Gerhard Franz Technische Universität |  | | Journal (article/letter/editorial) | | Chemical Method for Major Element Determination in Calcite Coexisting with Other Carbonates and Its Bearing...attack enables a complete major element analysis of calcite coexisting with other carbonates to be performed...deduced from the chemically-determined Mg-content of calcite is usually lower than that derived from X - r ay...2+, on the calcite lattice. The limitations of the use of the MgCO3 solid solution in calcite as a geothermometer...Zusammenfassung Eine chemische Methode zur Bestimmung der hiiu]igeren Elemente in Calciten, die gemeinsam mit |  | | Journal (article/letter/editorial) | | Untersuchung der Metamorphose yon kieselig dolomitischen Sedimenten I. Die Gleichgewichtsdaten der Reaktion...ches Institut, Universit~t GSttingen Eingegangen am 20. J a n u a r 1970 Experimental Investigation...Dolomite ~- 4 Quartz ~ 1 H s O ~ - I Talc -t- 3 Calcite ~- 3C02 Determined/or the Total Pressures el 1...3 dolomite -4- 4 quartz + 1 H20 @ 1 talc -- 3 calcite -{- 3 CO s (1) were determined for the total fluid...dolomite, quartz a n d water react to form talc, calcite a n d CO 2, as well as b y experiments with reversible |  | | Journal (article/letter/editorial) | | Kykladeninsel los besteht zur Hauptsache aus einem Gneisdom. Der Kern dieses Doms ist ein Augengneiskomplex, welcber...Mj. und 25 Mj. Die Druck-Temperatur-Bedingungen der M1 und Me wurden abgeschStzt auf 9--11 Kb und 850----400~...5--7 Kb und 880----420~ C im Falle der M~. Der metamorphe Werdegang der Kykladen wird diskutiert sowie die...of Ios, Cyclades, Greece, is a dome consisting of an augengneiss core and a mantle of garnet-mica schists...et de schistes *) Authors' addresses: P. A. VAN DER MAAa and J . . B . H . JANSEN,Department of Geochemistry |  | | Journal (article/letter/editorial) | | of quartz, albite, phengite, chlorite, rutile, calcite, apatite, and zircon. Phengite in the metapelite...(Miocene) RC NE JAP AN A Eurasia Plate I.S.T.L. Central Shikoku er Inn W fS eo z on AN JAP 50 Shimo-doya...Shimo-doya C AR 424 an W ter 378 Kanto Mountains fS eo Ou Pacific Plate T.T.L. an Jap SW Ushibuse... cli- nozoisite/epidote 0.2%, titanite 1.3%, calcite 1.5%, apatite 0.2%, and tourmaline 0.1%. Rutile...quartz, albite, phengite, chlorite, rutile, zircon, calcite, apatite, and pyrite. In this study, up to 200 |  | | Journal (article/letter/editorial) | | doi:10.1016/j.lithos.2016.11.021 This is a PDF file of an unedited manuscript that has been accepted for publication...with Ca– Cr–Al-garnet, clinochlore, titanite, and calcite. Preiswerkite and associated minerals fill cavities...jadeite under high-pressure conditions. NU fluid is an analogue of the fluid released from the subducting...mica (Na-analogue of eastonite; Franz SC RI and Althaus, 1976), occurs only in chromitites and fills cavities...few have been successful in assigning this mineral an important role as a petrogenetic indicator. Previous |  | | Journal (article/letter/editorial) | | leachable element fraction and whole-rock content vs an alteration index (percentage of leachable K) reveal...Miller et al. 1986). Shatsky et al. (1990) proposed an acid leaching procedure which aimed at the element...density gradients in fluid inclusions (Walther and Althaus 1993) and constant K—Ar ages in muscovite throughout...to alteration of plagioclase (Behr et al. 1993; Althaus et al. 1995). The fluid history of the KTB rocks...all samples were powdered to grain sizes (100 lm in an agate disc mill. Leaching experiments were performed |
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