 | | Journal (issue) | | Windisch 30 Van Wouw Street Groenkloof, Pretoria Belgium: Paul Van Hee Deuzeldlaan 16-bus 1 B-2120 Schoten...Mineralogical Recordy Jan uary-February, 1982 13449 Beach Ave., Marina Del Rey, CA 90291 (213) 823-1219 821-6632...copies of the Mineralogical Record 1724 University Ave., Berkeley, CA 94703 (415) 843-7564 4 METEORITES...mixture of fluorite and quartz with ore shoots of galena. The foot and hanging walls were lined with a “liner”...Coal Sill Low Coal Sill - Great Limestone Tuft — Quarry Hazel . Four Fathom Limestone ■ Nattrass Gill |  | Hatira, N., Perthuisot, V., Rouvier, H. (1990) Les min�raux � Cu, Sb, Ag, Hg des minerais de Pb-Zn de Sakiet Koucha (diapir de Sakiet Sidi Youssef, Tunisie septentrionale) Mineralium Deposita, 25 (2) doi:10.1007/bf00208853 | Journal (article/letter/editorial) | | minerals, chalcopyrite, bournonite, sphalerite, galena and an Ag-Hg amalgam. The fahl ore group is highly...cuivres gris, chalcopyrite, bournonite, blende, gal6ne, et un amalgame Ag-Hg. La composition des cuivres gris...rapprochement entre la pr6sence de mercure dans le minerais, et l'existence au Nord du gisement d'un district fi...(Price et Kyle 1983) et la partie orientale du Maghreb, Alg6rie orientale et Tunisie (Rouvier et al. 1985)...structures r6sultant du diapirisme sont intactes et souvent bien connues par de nombreux forages. La |  | | Journal (article/letter/editorial) | | formule. Les auteurs discutent l'utflisation et les limites de la m6thode. On trouve des ages de plus de...pn se produire une d6pe~dition d'argon, de plomb et de strontium. La m~thode ordinaire au plomb donne...iron meteorite Canyon Diablo measured by PATa~RSON et al. (11). The validity of this assumption has been...oeeurence of trace elements (18), especially Ag, in the galena sample. Being secondary, recrystallized minerals...Measurement of the isotopic composition of sulfur in galena, 5. Geological or mineralogical evidence. Instructive |  | | Journal (article/letter/editorial) | | CANADA GEORGES BEAUDOIN§ Département de géologie et de génie géologique, Université Laval, Québec, Québec...by chains of complex inclusions of chalcopyrite, galena, pyrargyrite and freibergite, which mimic color...une base foncée enrichie en Cu et en Fe. Les couches ont des limites abruptes qui peuvent être planaires... La sphalérite aciculaire est enrichie en Sb, Ag et Cu, qui remplacent le Zn dans la structure. La base...d’inclusions de chalcopyrite, galène, pyrargyrite et freibergite, qui miment les bandes de couleurs. L’épaisseur |  | | Journal (article/letter/editorial) | | rocks, most likely of Palaeozoic age. Sphalerite, galena and sulfosalts (freibergite and boulang6rite) are...As 1.0, Sb 26.9, S 23.0, and not in an argentian galena as it was believed. The mineral previously described...grandeur de 1000 t et les r6serves peuvent &re estim6es ~galement 5, 1000 t (Woodtli et al. 1987, p. 32)...apr6s scheidage ~i la main, de 35,1% Pb, 24,3% Zn et 1,71 Kg/t Ag. Resum& Le ilion de plomb-zinc-argent...suite classique de sulfures 5, blende et gal6ne dominantes, et de sulfosels (freibergite, boulang6rite) |  | de Abreu Cunha, Ioná, Misi, Aroldo, Babinski, Marly, Iyer, Sundaram Sankara S. (2007) Lead isotope constraints on the genesis of Pb–Zn deposits in the Neoproterozoic Vazante Group, Minas Gerais, Brazil. Gondwana Research, 11 (3) 382-395 doi:10.1016/j.gr.2006.02.008 | Journal (article/letter/editorial) | | east, as demonstrated by Misi et al. (1997, 2004), Misi (2001) and Azmy et al. (2001), based on chemostratigraphic...1968; Rigobello et al., 1988; Iyer et al., 1992), sedimentary-exhalative (SEDEX) (Misi et al., 1996; Freitas-Silva...1997) and IRISH-type (Hitzman, 1997a; Cunha et al., 2000; Misi et al., 2000; Dardenne, 2000; Monteiro, 2002)...Vazante was classified as “Vazante-type” (Monteiro et al., 1999), because of the willemitic nature of the...doi:10.1016/j.gr.2006.02.008 I. de Abreu Cunha et al. / Gondwana Research 11 (2007) 382–395 383 Fig |  | Bouabdellah, M., Castorina, F., Bodnar, R. J., Banks, D., Jebrak, M., Prochaska, W., Lowry, D., Klugel, A., Hoernle, K. (2014) Petroleum Migration, Fluid Mixing, and Halokinesis as the Main Ore-Forming Processes at the Peridiapiric Jbel Tirremi Fluorite-Barite Hydrothermal Deposit, Northeastern Morocco. Economic Geology, 109 (5) 1223-1256 doi:10.2113/econgeo.109.5.1223 | Journal (article/letter/editorial) | | 2013 Accepted: February 19, 2013 1224 BOUABDELLAH ET AL. Introduction Salt diapirs are host to numerous...(Ravenhurst and Zentilli, 1987; Posey et al., 1994; Zentilli et al., 1997, 2008; Pohl, 2011). Although...been proposed (Charef and Sheppard, 1987; Sheppard et al., 1996; Dyson, 2001). Furthermore, recent advances...decades ago (Perthuisot and Saliot, 1979; Rouvier et al., 1985), numerous economic Fe-Pb-Zn-Ba-F deposits...Algeria (Rouvier et al., 1985; Charef, 1986; Orgeval et al., 1986; Pohl et al., 1986; Sheppard et al., 1996; |  | | Journal (article/letter/editorial) | | (1987 and 1989), Tredoux and Borg (1987) and Borg et al. (1987) opposed existing (sedimentary to early...1987) and the Zambian/ Zairean Copper Belt (Richards et al. 1988; Walraven and Chabu 1991) - have illustrated...Maiden (1986a, 1986b, 1987), Borg (1987, 1988), Borg et al. (1987) and Tredoux and Borg (1987). The stratigraphy...with its peak-metamorphism at 530_+ 10 Ma (Ahrendt et al. 1978). Deformation during this event produced...so far, is represented by a second cleavage (Borg et al. 1987), possibly associated with hydrothermal |  | | Journal (article/letter/editorial) | | pyrrhotite and was found in rocks dominated by galena and sphalerite. The ages the two components are...sulfides and replaced barite (Young, 1989; Leach et al., 2004), and some remobilization of zinc likely...in late breccias that cut main stage ore (Kelley et al., 2004a, b). Determining the age of the main stage...Mesozoic Asik Mountain ultramafic complex (Lewchuk et al., 2004) and with two with radiometric dating studies...73120. 0361-0128/01/3470/1555-13 $6.00 (Morelli et al., 2004; Rombach and Layer, 2004) to try to answer |  | | Journal (article/letter/editorial) | | global source of these metals, and sphalerite and galena are the main ore minerals. They occur in a variety...Vazante and North Extension mines; Monteiro et al., 2006 and Slezak et al., 2014). The Vazante and North Extension...(Carvalho et al., 1962; Amaral, 1968a; 1968b; Dardenne, 1979; Bez, 1980; Dresch, 1987; Rigobello et al., 1988;...Pinho et al., 1989; Pinho, 1990; Hitzman et al., 1995; Misi et al., 1996; Hitzman, 1997; Monteiro et al...al., 1998a; Misi et al., 2000; Bettencourt et al., 2001; Dardenne and Schobbenhaus, 2001; Slezak, 2012; |  | | Book | | perspectiva. Do mesmo modo, a sobrevivência dos limites de certos territórios em épocas posteriores, como...Oceano Rheic (e.g. Matte 1991; Ribeiro et alii 2007; Martínez Catalán et alii 2009). Contudo, o Cinturão Varisco...as seguintes unidades estratigráficas (Rodrigues et alii 2006; Rodrigues 2008): – Formação dos Filitos...landoveriana (base do Silúrico) (Romariz 1969; Piçarra et alii 2006). 21 MINERAÇÃO E POVOAMENTO NA ANTIGUIDADE...(abreviatura de Main Trás-os-Montes Thrust) (Ribeiro et alii 1990), e está marcado no terreno por intenso |  | | Book | | LIMUR Météorologique de la Société des Sciences et Arts de Doyen MORBIHAN. du Brésil, de la Société...Impérial DES DU POLYMATHIQUE LE Officier de ET SOUS LES AUSPICES PitfeHDENT PAR MORBIHAN SUITE...Commission de Géologique M. : Cte de de la Société ET SOUS LES AUSPICES POLYMATHIQUE DU PRÉSIDENT PAR... DU de Minéralogie de la Société des Sciences et Arts de du Morbihan, d’Histoire naturelle de Toulouse...département, si riche notre en belles substances, et cependant bien peu exploré. C’est que nous Avant |  | Bril, H., Bonhomme, M.G., Marcoux, E., Baubron, J.C. (1991) Ages K/Ar des min�ralisations de Brioude-Massiac (W-Au-As-Sb; Pb-Zn), Pontgibaud (Pb-Ag; Sn), et Labessette (As-Pb-Sb-Au): Place de ces districts dans l'�volution g�otectonique du Massif central fran�ais. Mineralium Deposita, 26 (3) doi:10.1007/bf00209257 | Journal (article/letter/editorial) | | Brioude-Massiac (W-Au-As-Sb; Pb-Zn), Pontgibaud (Pb-Ag; Sn), et Labessette (As-Pb-Sb-Au): Place de ces districts...polym6talliques recoupent le socle m6tamorphique et granitique varisque du Massif central. Trois de ces...Brioude-Massiac (W-As-Au; As-Sb-(Au)), Pontgibaud (As-Sn et Pb-Ag) et Labessette (As-Sb-PbAu) ont r6cemment fait l'objet...conditions thermodynamiques du d6p6t des minerais et sur les sources potentielles de leurs 616ments m6talliques...succession d'6pisodes hydrothermaux de haute, moyenne et basse temp6rature d6veloppe une intense alt6ration |  | | Report (issue) | | pour servir à l'Explication des Cartes Géologiques et Minières de la Belgique. Mémoire No 33 MINISTERIE...(EST ·-.DE LA BELGIQUE) par L. DEJONGHE, F. LADEUZE et D. JANS ATLAS DES GISEMENTS PLOMBO-ZINCIFERES...BELGIQUE) par L. DEJONGHE (1, 2), F. LADEUZE (1, 3) et D. JANS (1, 4) (1) (2) (3) (4) Service géologique...de Bruxelles, Département des services de la Terre et de l'Environnement, av. F.D. Roosevelt, C.P. 160/02...Région Wallonne et des Archives de l'Etat, qui nous ont permis de consulter les archives et les plans miniers |  | | Journal (article/letter/editorial) | | evidences de polarit~ geosynclinale (orogeniques et sedimentaires) dans les r~gions plissees du Br~sil...millions d'arm~es. Les evolutions stratigraphiques et teetoniques sont r~interpretees la lumi~re de nouveaux...foumi des donn~es suftqsantes pour 6tendre les limites du Cycle Bresilien (= Baykalien) de 850--550 millions...850--500 g n ~ x o HOB ~IeT ~0 t500--500 r ~ I O B ~eT (Ba~t~a~IsC~ nep~o~). IIep~o~ M~Hac paecMaTp~iBa~OT...y. (a Baykalian Cycle of 1,1O0 m. y.) (BELYANKINA et al., 1968). YANSlIIN (1964), KHERASHOV (1964), ZAYETSEV |  | | Book | | ROCHES et Guide d’identi ica tion # a fae {EDS Guide d'identification sur le terrain et Introduction...Introduction à la Géologie et à la Chimie des ROCHES ET MINERAUX par CHARLES A. SORRELL Professeur, Université...Directeur du projet, HERBERT S. ZIM Traduction et IRENE et adaptation: SERGE GALARNEAU Préface: GUY...frangaise de Rocks and Minerals de Charles A. Sorrell et George F. Sandstrom (collection « Golden field guides»)...l'enseignement universitaire du premier cycle en minéralogie et les textes populaires utilisés par les amateurs de |  | | Book | | aumentando o número de jazigos minerais (Lourenço et al., 1992: 5). 1 – Enquadramento geológico As formações...sequência tipo “flysch” do Devónico superior (Lourenço et al., 1992: 6); ou seja, toda esta zona sofreu sequências...sequências vulcano-sedimentares calcoalcalinas. Os limites NE e SW salientam-se pela presença de importantes...com formação também do Devónico superior (Lourenço et al., 1992: 6). Conclui-se, que se está perante uma... segundo a ordem de associação: pirite (FeS2], galena [PbS], calcopirite [CuFeS2], esfarelite [ZnS], |  | | Book | | culos. A versão mais recente, publicada por Gradstein et al. (2004) e revisada por ICS (International Commission...Alvarenga 1989, vação e proteção ambientais. Ussami et al. 1999, Weyler 1962, 1964) 25 2 uma taxa de...transformação; trocas de matéria e energia mudam os limites entre as esferas terrestres, sua composição e características...percebem-se “ciclos incessantes de mudança” (Viñuales Solé et al. 1995, p. 10). Os processos que integram o Ciclo...modernização das tecnologias de observação. A estrutura e limites dos continentes resultam de complexa sucessão de |  | | Journal (issue) | | op p. 30). 20.15 h Bulgarije 2023 Hugo Bender et al. In het kader van de MKA-60 vieringen trokken...niet machtig zijn. Anderzijds schreven Perchiazzi et al. in 2018 een gedetailleerd artikel over de kristalstructuur...malachieten uit de regio in detail bestudeerd door Deliens et al. (1973). Hun studie stelde hen in staat twee hoofdgroepen...De kolweziet die geanalyseerd werd door Perchiazzi et al. (2018) bleek chemisch tamelijk homogeen. De empirische...zoals voorgesteld door de CNMNC van de IMA (Miyawaki et al., 2019). Kristallografie Deliens & Piret (1980) |  | Sizaret, Stanislas, Chen, Yan, Chauvet, Alain, Marcoux, Eric, Touray, Jean Claude (2003) Magnetic fabrics and fluid flow directions in hydrothermal systems. A case study in the Chaillac Ba–F–Fe deposits (France) Earth and Planetary Science Letters, 206 (3) 555-570 doi:10.1016/s0012-821x(02)01112-3 | Journal (article/letter/editorial) | | 27-1-03 Cyaan Magenta Geel Zwart 556 S. Sizaret et al. / Earth and Planetary Science Letters 206 (2003)...streamline or in upstream position [6,7]. Gonzale's et al. [8] proposed that high £ow velocity may increase...6519 27-1-03 Cyaan Magenta Geel Zwart S. Sizaret et al. / Earth and Planetary Science Letters 206 (2003)...27-1-03 Cyaan Magenta Geel Zwart 558 S. Sizaret et al. / Earth and Planetary Science Letters 206 (2003)...Barite Barite and goethite Ribbon of fluorite Galena Sphalerite Granular fluorite Pyrite Barite Goethite |  | | Journal (article/letter/editorial) | | 15% Cu, 110 ppm Ag, and 1.5 ppm Au (KALOGEROPOULOS et al., 1989 ), for a case study to elucidate these...of the Mississippi Valley-type (NAKAI et al., 1990; BRANNON et al., 1992), high-precision age data on...available ( EINAUDI et al., 198 1; EINAUDI, 1982; GRAYBEAL et al., 1986; MEGAW et al., 1988). Such information...1960, 1964; KOCKEL et al., 1977; SAKELLARIOU,1989; K.ALOGEROPOULOSet al., 1989; NEBEL et al., 1991; GILG...Vertiskos Formation in the western part ( K~CKEL et al., 197 1, 1977 ) The Kerdilion Formation is mainly |  | | Report (volume) | | of Zechstein workers in Poland in 1978 (Depowski et al. 1981) at which the growing school of Polish workers...correlation is at variance with that of both Smith et al. (1974) and Taylor (1980) and provoked active...interpretations. The scheme in use most recently is by Smith et al. (1974) in which many of the traditional names...English Zechstein cycle abbreviations of Smith (1970 et seq.). The main change proposed is the discontinuation...Special Publication No. 22, pp. 9-17. D.B. S m i t h et al. IO R~ underland eaham i ~Hartlepool Catterick |  | | Book (chapter) | | (1940). sakisite-(Ce) = dissakisite-(Ce), Ciriotti et al. 108 (2009). sakura-ishi = cordierite, Hintze...238 (1896). salalite = Fe2+-rich diopside, Ciriotti et al. 107 (2009). salamancaitopáz = heated yellow gem...1220 (1904). salire-sodico = nitratine, Aballain et al. 307 (1968). Salit = Fe2+-rich diopside, AM 73...931 (1892). salmite = ottrélite, Van Der Meersche et al. 66 (2010). salmoite = tarbuttite, Horváth 284...237 (1962). sand barites = baryte + quartz, Deer et al. V, 193 (1962). Sandbaryt = baryte + quartz, Linck |  | | Journal (issue) | | Antoine Bouvier, France Isabel Fernandez Fuentes, Belgium Ulla Staldkn~gt, Denmark Javier Garcia-Guinea,...la geode et d'en etudier la mineralisation. Ils reussirent obtenir la protection de la geode et amenager...raphi?, Dallas Momi~g News, Geosc1enhst, Sciences et Avemr, Today's Science on File, Le Figaro Magazine...a railway, and 500 meters from an active chalk quarry mined for gravel. From a geological point of view...perfectly. 5. Alteration of sulphides (pyrite, galena, sphalerite) producing sulphates and formation |  | | Book (volume) | | metals V.V. Popov and G.F. Yakovlev 107 Le temps et les gisements lies aux strates H. Pelissonier 121...Greenland and pegmatites described by L.N. 0vchinnikov et al. without mentioning the locality of their occurrence...(1981), K.O. Kratz, Yu.I. Sokolov, V.T. Glebovitsky et al. (1973), D.V. Rundkvist (1969), G.A. Tvalchrelidze...mineralizatsiya). Kratz K.O., Sokolov Yu.I., Glebovitsky V.T. et al. General features of the evolution of metamorphogenic...the ore (cassiterite, trace of stannite - Walker et al., 1975). The sporadic concentration of tin and |
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Limites quarry, Ave-et-Auffe, Rochefort, Namur, Wallonia, Belgium