 | | Journal (article/letter/editorial) | | permissionof the Deputy Minister, Department of Mines and Technical Surveys, Ottawa. Presented before...Canada. In additionto the geologicalstudies,the Mines Branch,Ottawa, and privateagencies haveconducted...VenturesLimited;Mr. MauriceScott,SullivanConsoliated Mines,Ltd.; andMr. J. S. RichardsandDr. G. H. Charlewood...granitegroup, a microclinegranite group, and an albite granite group. He considersthe oligoclasegranite...atites;microclinealbite pegmatites;albite pegrnatites;and albite-lithiumpegmatites. Microclinepegmatitesare |  | | Catalog/List | | 94403 U.S.A. Old No. l Headfnme. Whi ■ key Hlll Mine, Tuohnne County, CaUfomla (r■-,u. .SV•t- tor cr11•t•J...association. Few of the minute crystals you see on mine or quarry dumps or even on cabinet specimens will...dumps or surface float. Mirute crystals seen on a mine dump are a clue but nearly always tao weathered...'hite hairs on feldspar. 784 ADAMITE, Moha\'.1k Mine, San Bernardino County, r.alifornia. Group o f colorless...crystals on matrix. 910 AEGIRif\E,near Larvik, Norway. Green to golden brown acicular crystals on analcime |  | | Journal (article/letter/editorial) | | CaO Lm - 126 942 (2) 16.76 (10) Magnetite Albite, high Fluorite HF, H20, ideal gas ideal gas... fayalite CaFeSi,O, hedenbergite + NaAlSi,Os albite This reaction can be approximately balanced using...stabilities of other minerals such as zircon, ilmenite, albite, K-feldspar and sphene. The writers did not find...also explain the inconsistency. The stability of albite may be contracted by a more stable reaction involving...suggest that cryolite may be stable instead of albite in some fayalite granites, and it should be considered |  | | Journal (article/letter/editorial) | | anhedral perthitic microcline (35%), sub-euhedral albite-oligoclase (26-30%), chloritized biotite (0.23...grains within biotite. Miarolitic cavities with albite, quartz, microcline and fluorite a r e c o m m...to post-magmatic fluids, documented by quartz-, albite-, microcline- and fluorite-rich miarolitic cavities...wavelength-dispersive X-ray fluorescence(XRF) at l~cole des Mines of St. l~tienne. Analyticaluncertaintiesare between...grologiclue du sud de la Corse. Bull. Serv. Carte Grol. Fr., 57: 41-289. Maluski, H., 1977. Application |  | Pohl, W., Amouri, M., Kolli, O., Scheffer, R., Zachmann, D. (1986) A new genetic model for the North African metasomatic siderite deposits. Mineralium Deposita, 21 (3) 228-233 doi:10.1007/bf00199805 | Journal (article/letter/editorial) | | Gafsa o 120 km Fig. 1. Location of the iron ore mines at Ouenza (Algeria) and Jerissa (Tunisia) (black...out in view of the economic importance of both mines. Ouenza is thought to have comprised geological...45 million tons (Walther & Zitzmann 1977). Both mines are currently important iron ore sources for the...Fig. 4. Jerissa (Tunisia), geological map of the mine area (Aptian only; after an unpublished map by E...CaC12sol+ FeCO3 at low pressure and 100-200 °C o Albite II decomposed to muscovite, chlorite, quartz Diapir |  | | Journal (article/letter/editorial) | | Lottah Granite, including some tNdvalues of - -2.2, albite, zinnwaldite, topaz, cassiterite, and Rb/Sr biotite...However, areas of phyric AFG to the south of the mine are extensively sericitised. In the least sericitised...patchy but widespread development of secondary albite (An5-0) and apatite (Type I alteration assemblage)...alteration is widespread and not restricted to the Anchor mine. Subsequent hydrothermal overprinting involved widespread...principally of quartz + K-feldspar (remnant) + albite + zinnwaldite + accessories represents hydrothermally |  | Castaing, C., Feybesse, J.L., Thiéblemont, D., Triboulet, C., Chèvremont, P. (1994) Palaeogeographical reconstructions of the Pan-African/Brasiliano orogen: closure of an oceanic domain or intracontinental convergence between major blocks?. Precambrian Research, 69 (1) 327-344 doi:10.1016/0301-9268(94)90095-7 | Journal (article/letter/editorial) | | in Benin (IRB, 1983, 1989; OfficeBrninois des Mines, 1984), in northeastern Brazil (Dantas, 1974;CPRM...application of the amphibole-epidote--chlorite-albite-quartz thermobarometer (Triboulet and Audren, 1988;...English manuscript, and the "Direction Gdndrale des Mines et de la Gdologie", BNRM, of Togo. The original...gromrtrie d'une suture pan-africaine. Bull. Soc. Grol. Fr., 20: 863-876. Brbien, J., 1980. Magmatismes...africa.in. Ann. Fac. Sci. Univ. Clermont-Ferrand, Grol. Mineral., 5, 62 pp. Boudzoumou, F. and Trompette |  | | Journal (article/letter/editorial) | | pyrite) and associated minerals (chlorites, sericite, albite, epidote, quartz) crystallized during the cooling...min6raux accompagnateurs (chlorites, s6ricite, albite, 6pidote, quartz) ont cristallis6 dans des pyrom6rides...basiques sont fortement alttrtes (tpidote, chlorite, albite, calcite, stricite, leucoxtne) et ces laves alttrtes...phenocristaux de quartz, feldspath potassique, albite. On reconnait quelques fiammes recristallisees...mineraux hydrothermaux associes (chlorite (c), albite (a), 6pidote (e), quartz (q)) et la structure de |  | | Journal (article/letter/editorial) | | menot@univ-st-etienne.fr 1Present address: Drpt. Grol., Fac. Sci., Univ. A.M.D., BP 338, Niamey, Niger...phenocrysts Veinlets Clinopyroxene Iron oxides Albite or Oligoclase Calcite Augite Wo(31-46) En(35-53)...prehnite, calcite + pumpellyite + prehnite _+ albite, quartz + albite + calcite + iron oxides; (2) after clinopyroxene...due to mechanical mixing with minerals such as albite or chlorite. Calcite is common in all the microdomains...Doct. Etat Univ. Nancy (1953). Bull. Dir. f~d~r. Mines et G6ol. Afr. occ. fr., Dakar, n. 23, 226p. Amard |  | | Journal (article/letter/editorial) | | Sunnfjord<< area in Western Norway The Western Gneiss Region (WGR) of Norway belongs to the Scandinavian...Barroisite-bearing eclogite from Naustdal, Sogn og Fjordane., Norway. - J . Petrol., 8, 349-371. BLANC, D. (1981): Les...47-65. GRIFFIN, W. L. (1987): On the eclogites of Norway: 65 years later. -Miner. Mag., 51, 361, 333-343...Verlag. HOLLAND, T. J. B. (1980): The reaction albite = jadeite + quartz determined experimentally in...eclogites and associated rocks from Sunnfjord, western Norway. - Lithos, 13, 355-380. KUSHIRO, I. (1969): Clinopyroxene |  | | Journal (article/letter/editorial) | | groundmass is stippled. The central phenocryst of albite (1 mm. in length) has a partial halo of clear quarrz...Incandescenr Tuff Flows in Southern Peru. Bull. Grol. SOC.Amer., 59, 879. GILBERT, C. M., 1938. Welded...Occurrence of Ignimbrite in the Pre-Cambrian. Scer. Grol. Gnders. (C), 542, 1. A. The Nomenclature of Petrology...IDDINGS,J. P., 1899. The Rhyolires, Ch. X, U S . Grol. Slim. Monograph, 33, 465. W. F. and GOLDICH,S...Eruptive Rocks of Skomer Island. Quart. Joiirn. Grol. SOC.,37, 403. R. M., 1959. T h e Stratigraphy |  | | Journal (article/letter/editorial) | | (submitted). 1, Pre-Katangan basement; 2, RAT (R1), Mines(R2) and Dipeta (R3) Groups of the foldedRoan Supergroup;...5500 m) Mwashya (R4 > 400 m) Dipeta (R3 > 250 m) Mines (R2 ca. 250 m) RAT (gl > 250 m) Roan (R > 1200... (1980). A, Anorogenic; O, orogenic formed to albite (Anlo-4o/o); well preserved and zoned clinopyroxenes...du Systrme du Roan au Katanga Central. Ann Serv Mines CSK XII - X I I I , 1947-1948:93 - 119 Cahen L,... Rapp Ann 1974 Mus Roy Afr Centr Tervuren, Dept Grol Min: 5 9 - 7 0 Cailteux J (1983) Le Roan shabien |  | | Journal (article/letter/editorial) | | Isotr~pic disequilibrium in gravertine deposition Grol!gler, see H.Balsiger Green. D.H.. see J.D.Kleeman...entivity in metamorphic calcic amphiboles from Solath Norway 339 Onuma, N., H.Higuehi, H.Wakita, H.Nagtsawa...of artificially produced alpha-recoil tracks ill albite 27 55 148 492 Van Andcl, T.H., J.D.Phillips, |  | | Journal (article/letter/editorial) | | Low-Grade White Micas Coexisting with Albite A Remark on the Muscovite-Albite Geothermometry Abstract. White...White micas coexisting with albite, quartz, chlorite, and clinozoisite in low-grade schists of the Beaume...those of an albite-poor one of the same rock sample, the application of the museovite-albite-geothermometer...distribution of sodium between coexisting white micas and albite not only depends on temperature and pressure but...einer Elektronenmikrosonde auf zwei je ca. 3 cm 2 grol]en Diinnsehliffen 50 H a u p t elementanalysen yon |  | | Journal (article/letter/editorial) | | w i l l ; dan e b e n g i b t es n o e h e i n e grol~e G r u p p e y o n v u l k a n i l e h e n E r...vu]kanischer Erseheinungen anbe]angt. Eine sehr grol~e Ro]le miBt P~ITTMANNneben Druekent]astungen der...Theorie und Klassifikation usw. 505 bier auf die grol~artigen l~Iaargebiete in dem jungen basaltisehandesitischen...maehte. Auf der Snaefellsneshalbinsel liegt der grol~e basisehe Stratovulkan Yon Snaefellsnes (also gasreiehes...ungeheuren Mengen yon Loekerprodukten. Eine ghnlieh grol?e Explosionskatastrophe war die des Cosegnina in |  | | Journal (article/letter/editorial) | | in rhombohedrons, arid obtained from the copper mine of Mindouli, about two leagues east of Comba, between...serpentine in the asbestos mine a t Coteraine, Eastern Townships. Fresh from the mine, the mineral is so soft...r y s t . 3Iin., 18,638-659; from .Jahi.b. k. k. Grol. Reichsunst., 38, 1).-With galetin, brennerite occurs...s chiefly in the predominance of tourmaline and albite, whilst tin ore arid wolfram occnr but sparsely...the following order: 1. Mica (sp. gr. 2.825). 2. Albite. 3. Flnorspar. 4. Tourmaline, and 5. gilbertite |  | | Journal (article/letter/editorial) | | Dfinnsehliff vielfaeh voraus, der Idee - - ein Kind grol~zfigig gesehener und geistig verarbeiteter Tatsaehen...e einfaehe Mikrokline - - und die neugebildeten Albite sind s e h w a e h oder nieht verzwillingt. Naeh...bekannte Tatsache wiederholen, dal~ aufgewachsene Albite in Kliifien im allgemeinen nut aus zwei [ndividuen...im Chemismus zwisehen K e r n und Hfille nieht so grol] und auBerdem ist durehaus nieht immer der ganze...p e r t h i t a r m e bis -freie Mikrokline mit grol~em 2Va. die Plagioklase sind (bei Kristallisation |  | Turpin, Laurent, Leroy, Jacques L., Sheppard, Simon M.F. (1990) Isotopic systematics (O, H, C, Sr, Nd) of superimposed barren and U-bearing hydrothermal systems in a Hercynian granite, Massif Central, France. Chemical Geology, 88 (1) 85-98 doi:10.1016/0009-2541(90)90105-g | Journal (article/letter/editorial) | | these three facies is grada- ../ (~ MAIN URANIUM MINES ~ ANATECTIC GNEISSES Bi-Mu-SiI-MICA SCHISTS ...and biotite, and the crystallization of chlorite, albite and/ or microcline, occurring as cloud-shaped bodies...episyenite and pitchblende were collected from three mines: at Margnac, Fanay and Bellezane (Fig. 1 ). Many...(e.g., lamprophyres are not known in the Margnac mine). (c) Two pitchblendes samples enclosed in lamprophyre...- Implications sur la mrtallogrnie de l'uranium. Grol. Grochim. Uranium, No. 5. Godfrey, J.D., 1962. The |  | | Journal (article/letter/editorial) | | other alkaline complexes, e.g. the Fen complex, Norway, and the Kangankunde complex, Malawi. The geology...added to the wall rocks as potassium feldspar, albite, barite, chlorite, sericite, hematite and carbonates...carbonatite minerals bodies. and in the Oka and J. Grol. 77. 61X CURRI~ K. L. and FERGUSON J. (1972) A...and carbonates of ore and gangue minerals. &on. Grol. 54, 1X4-233. J~NYINGS D. S. and MIT(.HEI.L R. H...intrusion of carbonatite at the Fen complex, S. Norway. Lithos 2, 167 -169. KANEHIKA K.. YLJI S., SAKAI |  | | Journal (article/letter/editorial) | | Proceedings (lS76-). Sew South Wales Department of Mines, Annual Report (1876-). Sew South Wales Geological...Special volume of Kew South 1VaIes Department of Mines, Annual Report 1939-1945. -, Memoirs (1887-). -...Naturalist (190%). Queensland Under Secretary for Mines, Annual Report, (1880-). Royal Society of Queensland...Transactions (1877-). South Australia Department of Mines, Mining Review (191%). Formerly South _4ustralia...(1904-1917). See South Australia Department of Mines, Mining Review. South Australian Museum, Records |  | | Journal (article/letter/editorial) | | come from atmospheric CO2. Consider, for example, albite hydrolysis: 2NaA1Si308 + 2 C O 2 4- 11H20---} AI2...Rrun. Sci. Terre, Toulouse, April 13-15, 1992, Soc. Grol. Fr., Paris, p.5. Amiotte Suchet, P. and Probst...continentale h l'rchelle de 1/1 500 000. Bur. Rech. Grol. Min., Orlrans. B.R.G.M. (Bureau de Recherches Grologiques...1946-1976) -- carte ~ 1/ 1 500 000. Rapp. Bur. Rech. Grol. Min., BRGM 83 SGN 003 EAU, Orlrans. Etchanchu, |  | | Journal (article/letter/editorial) | | in den Schiefern abzuwandern. Das Wachstum der Albite in den ()tztaler Knotengneisen erfolgte im allgemeinen...erw~thnten Ftllle parakristalliner Bildung der Albite auf eine geringe Dauer des Zeitzwischearaumes zwischen...znrtickffihren. Es fehlt also trotz jener Entfernung yon den grol~en Granitmassen nicht an Anzeichen magmatischer...Porphyroblasten (Staurolith, Gyanit, Granat; die Albite kommen hierbei nicht in Betracht, weil sie wahrscheinlich...Sellrainer Glimmerschiefer kann also ffir einen grol~en Teil der (~tztaleralpen in dieser Hinsicht ein |  | | Journal (article/letter/editorial) | | measurements of H,-H 273are reported for glassy and liquid albite and potassium tetrasilicate for the temperature...its geological importance, the enthalpy of molten albite had not yet been measured while recently a large...large amount of Cp observations were published for albite glass for temperatures ranging from I4 to 970 K...of liquid and potassium tetrasilicate Potassium Albite c 21 15 23 20 18 I 16 19 12 17 22 4 14 26 25... I 752.0 776.8 826.2 844.6 930.7 and glassy albite Tetrasilicate H -H T 273(J’“) 252.85 359.50 383 |  | | Journal (article/letter/editorial) | | recently published. (1) The amphibolites of the Calumet mine area, Greenville province, Canada (Williams, 1992)...actinolite, chlorite, serpentine and quartz. Zoisite, albite, dolomite and opaques can also be present. Phenocryst...characterized by small and irregular patches of albite + zoisite which may replace late magmatic or deuteritic...Rb and Sr analyses were performed at Ecole des Mines d'Al6s (precision ca. 10%). REE analyses of samples...Centrafricaine. Musre Royal de l'Afrique centrale. Ann. Sci. Grol., 93, 51 pp. Cornacchia, M. and Giorgi, L., 1989 |  | | Journal (article/letter/editorial) | | assemblage of the surrounding prasinites, consisting of albite i This investigation forms part 2 of a major study...and General Economic Geology The Waschgang gold mine is located at Kluidscharte (elevation 2546 m), approximately...Asten- and Zirknitz Valleys. The remains of the old mines (e.g. adits, reworked dumps, ruins) are mostly to...the Waschgang gold deposit (Exner, 1962). A gold mine; 1 greenschist (prasinite), 2 calcareous mica schist...are characterized by rims of oligoclase around albite, epidote, chlorite, sphene and amphibole. This |
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