 | | Journal (issue) | | Cairncross & C. R. Anhaeusser Minerals of the Linwood mine, Scott County, Iowa ............. 231 by P. L. Garvin...M. Crawford Famous mineral localities: Hiendelaencina, Spain ............... 241 by M. Calvo & E. Sevillano...in the still open underground workings of the Gem mine. He encountered an open pocket containing well formed...camps he would visit. He would typically stop in Santa Eulalia, Charcas, Mapami, Durango and Guanajuato...conglomerate. The stories of these early discoveries and mine developments, some of which were conducted under | | | Journal (issue) | | Cairncross & C. R. Anhaeusser Minerals of the Linwood mine, Scott County,Iowa ..................... 231 by...M. Crawford Famous mineral localities: Hiendelaencina,Spain .........................241 by M. Calvo...M o n t B lanc, C h a m o n ix , F ran ce. T h e la rg e st flu o rite cry stals m e a s u re 2.9 cm...in the still open underground workings of the Gem mine. He encountered an open pocket containing well formed...camps he would visit. He would typically stop in Santa Eulalia, Charcas, Mapami, Durango and Guanajuato |  | | Journal (article/letter/editorial) | | wasavailableto the authorconcerningtheKuroko-type deposits at La PlataandMacuchi.TheLa Platadepositwasevaluated in...Graciela open pit, and from the Elenita and Santa Cecilia mines has been carried out by the author intermittently...ppm Ag. The existing mills at Graciela and Santa Cecilia canproduceabout 150 tons/dayof Zn concentrate...AtocongoFormations r]TmMorro Solar Group / Major fault I• Mine, prospect (• K/Ar sample location 0 km I 50 I...Kuroko type: Leonila-Graciela (1), Juanita (2), Santa Cecilia (3), Chamodada(4) and Elenita (5). Lithologicalunits |  | | Journal (article/letter/editorial) | | residual quartz and/or silicified rock. The chalcopyrite-pyrite mineralization in the potassic zone was...argillic overprint, although the underlying chalcopyrite-bornite assemblage was mainly too deep to be...-26°30’ ESPERANZA Argentina Chile Antofagasta LA COIPA Fig. 2 PUREN Copiapó Maricunga belt CASPICHE...VELADERO EL INDIO -30° -30° El Indio belt LOBO LA PEPA VOLCAN PANTANILLOS Santiago -70° -27°30’...deposits, including those at Marte, Lobo, Refugio, La Pepa, and Volcán (Fig. 2), typically contain gold |  | | Journal (article/letter/editorial) | | alteration,whichcarriesbarite, nativesulfur,enargite,andat La Pepa,high-grade,vein-type goldmineralizationof highsulfidation...(Esprobablywill increasethistotalsubstantially. peranza, La Coipa) is mostcloselyrelated to dacite The name"Maricungabelt"...96 g/metricton Au in the Verde sector. La Coipa gold-silverand La Pepa gold prospects (Fig. 3) were not...AngloAmericanComincojoint venture. La Coipa, near the site of a long-abandonedvein silver mine, was discoveredin 1981...averaging 1.2 g/metric ton Miocenevolcano ß Au-Ag-(Cu)mine Au and133 g/metrictonAg, cameon streamin 1989 with |  | | Journal (article/letter/editorial) | | assemblage. Hypogene ore minerals are bornite, chalcopyrite, pyrite and lesser gold. Supergene mineralization...stockwork form irregular ore bodies, consisting of chalcopyrite, pyrite, bornite and gold. Hydrothermal alteration...silification. Gold occurs mainly as inclusions in chalcopyrite (Colley et al., 1989). Ore grades in the bodies...gold, sphalerite, argentite, galena, electrum, chalcopyrite, Cu-sulphosalts, bismuthinite, molybdenite and...mineralogy consists of pyrite, magnetite, gold, chalcopyrite, electrum and bornite. Hydrothermal alteration |  | | Book | | the origin of malachite and azurite during the chalcopyrite oxidation, also the origin of secondary phosphates...Crystals up to 140mm (5'A in) long occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law...100 mm (4 in) long, come also from the San Gcnaro Mine in Huancavclica and Uchucchaqua, Peru. New finds...many localities in California, USA (Colorado Quartz mine. Nigger Hill and others). Fine leaf gold comes from...110 mm (47.6 in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets |  | | Book | | the origin of malachite and azurite during the chalcopyrite oxidation, also the origin of secondary phosphates...Crystals up to 140mm (5½ in) long occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law...100 mm (4 in) long, come also from the San Genaro Mine in Huancavelica and Uchucchaqua, Peru. New finds...Dorado, California, US.A. Gold, 68 mm, Eagle's Nest Mine, California, US.A. Gold gold on it. Typical aggregates...many localities in California, USA (Colorado Quartz mine, Nigger Hill and others). Fine leaf gold comes from |  | | Report (issue) | | '•,.‘iti.,,.'-t1 :r_1.1-:.9..it, 0.4,'i— > iIk 4 !la •0 'J = .:I;f1 ,-"4 ‘1!d e'4311t'I 6 J l:? ;•C o...,':i4 .I" 1,. , !,• ,,',''''„,',,Vt.. t, •rA ,,, la ,i7,,..1,.,,,44,,, ,4'1,..,,.,'i,lin,,;:tir,iI1...gary ; Italy and Sardinia ; Norway ; Portugal ; Spain ; Sweden . 6 9 Asia : Asia Minor; China ; Dutch... : . . . " , t i I : - P .A-t,' $4 ' '' 44(r.:.•-lA •-• % 0 ' 0 . . ' . 1' ' ' ' . ' t o 1 1 . 1 1.....produced silver may be mentioned East Huel Rose lead mine (yield from 1852 to 1861 was 260,721 oz.), and West |  | Gurbanov, A. G., Bogatikov, O. A., Dokuchaev, A. Ya., Gazeev, V. M., Abramov, S. S., Groznova, E. O., Shevchenko, A. V. (2008) Ore-bearing hydrothermal metasomatic processes in the Elbrus volcanic center, the northern Caucasus, Russia. Geology of Ore Deposits, 50 (3) 199-217 doi:10.1134/s1075701508030033 | Journal (article/letter/editorial) | | pyrrhotite (including Ni–Co varieties), arsenopyrite, chalcopyrite, millerite, galena, and finely dispersed particles...120–150°C. The temperature of formation of the chalcopyrite–pyrite–pyrrhotite assemblage calculated using...cap commonly covers the subvolcanic bodies (Marte, La Pepa, Valle, and other gold deposits); at some deposits...pyrite, marcasite, arsenopyrite, pyrrhotite, chalcopyrite, galena, sphalerite, millerite, scheelite, and...lac acie u Gl i Gla cier Aza bash ater lG la Te rs ko l ci Gl er ac ier Iri cie Gla |  | | Book | | . . . . . . . . 147 X Contents El Aguilar Mine: An Ordovician Sediment-Hosted Stratiform Lead-Zinc.... . . . . . . . . . . . . . . . . . . 175 The "La Helvecia" Pb, Zn, and Barite Deposit, Argentina A.... . . . . . . . . . . . . . . . . 279 Machcan Mine: A Pb-Zn Ore Deposit in Pucara Sediments of the... Contents Sulfur Isotope Studies in the Zinc-Lead Mine San Vicente, Central Peru H. Gorzawski, L. Fontbote... . . . . . . . . . . . . . . . . . . . . . 353 La Negra-Coquimbana Manganiferous District, Southern |  | | Book | | Gorgona Island, Chocó Arc, Sierra Nevada de Santa Marta, La Macarena, and the Guiana Shield: remote regions...Geologie und Petrographie der Sierra Nevada de Santa Marta (Kolumbien, Südamarika). Schweiz, Mineralogische...E.) Geochemical Journal v. 15 p. 141–161. 2000 – La Macarena, Massagno, Switzerland (self-published)...(self-published), 111 p. Biographies Augusto Gansser (2000) La moglie di un geólogo, 2nd edn Massagno, Switzerland...the basis for the self-published biographical work “La moglie di un geologo: Augusto Gansser.” Acknowledgments |  | | Journal (article/letter/editorial) | | 94305-2115 Abstract The Refugio, Aldebarán, and La Pepa districts in the Maricunga belt of northern...variable amounts of quartz, magnetite, biotite, and chalcopyrite and locally have K feldspar halos. They have...elevations, barite. Of the three districts studied only La Pepa has mineable quartz-alunite ledges, which contain...Pancho deposit at Refugio and the Cavancha deposit at La Pepa are telescoped systems in which banded quartz...from barren ledges at Aldebarán. 40 Ar/39Ar dates at La Pepa indicate alunite formed at least 140,000 years |  | | Journal (issue) | | Islet Famous mineral localities: the Silver Islet mine, O n ta rio ............... 49 by W. E. Wilson ...photo © SILVER crystals, 3.3 by 4.5 cm, from the mine, Kongsberg, Norway. (See the this issue.) Keith...silver mines at all in Asia. He does mention a silver mine in Macedonia that used to yield a talent of the...out, a for tuitous discovery was made in distant Spain. An intense forest fire on a certain mountainside...January-February, 1986 Figure 2. Interior of a German silver mine, 1830s. Photo Deutsches Museum, Miinchen. hillside |  | | Report (issue) | | Prepared in cooperation with the Instituto Nacional para la Investigation de Recur so s Miner ales of Mexico...Mines and prospects_________________________._-_-__ Santa Gorgonia-San Pascual mining area. _________ El Arcabuz...Arcabuz prospect________________________ Buenavista mine _ __________!______________ Guadalupe adit._-__..._____________________ El Resquicio mine __________________________ La Salvadora prospect _ ____________________...___ Santa Gorgonia mine__ _ _____________________ Santo Tomas mine__ ________________________ La Luz-La |  | | Journal (article/letter/editorial) | | of magnetite ± biotite with minor quartz and chalcopyrite, and K feldspar alteration envelopes to sugary...quartz veinlets <1 cm in width with magnetite and chalcopyrite and no alteration envelopes. Hypersaline liquid...zone. Total sulfide content, predominately as chalcopyrite, is generally <1 vol percent, whereas magnetite...high-sulfidation epithermal gold-(silver) deposits (La Coipa, La Pepa) and porphyry gold-(copper) deposits (Refugio...(1974), La Coipa 27 o Marte Lobo Volcan Laguna Refugio 0 20 50 0 Volcan Copiapo La Pepa PERU |  | | Book (volume) | | Iran ian P o rp h y ry C u-M o-A u D eposits Brent LA. Mclnnes, Noreen J. Evans, Frank Q, Fut Steve Garwin...lm alyk (K a rm ak y r-D a ln e e ) and S au k b u la k C u-A u P o rp h y ry System s, U zbekistan IgorM...containing >10 Mt Cu include Chuquicamata, El Abra, La Escondida and El Teniente in Chile, Cerro Colorado...derived from slab melts because of their high Sr/Y and La/Yb ratios, but Rabbia et al., (2002) and Richards...(Maksaev and Zentilli, 1988; Lindsay et a i, 1995), La Escondida (Richards, 1999; Richards e t a l , 1999 |  | | Book (edition) | | MANGANESE CHROMIUM TRoN ; AND . ; ZINC . Statistics SPAIN GoLpD SILVER Lap ZINC COPPER (QUICKSILVER TIN :...Penney : 11.—Profile section across ‘Last Chance”. Mine, Utah 12.—Section of Argentiferous Sandstone bed...bedling 16.—17.— ¢ Opening of fissures ; after De la Beche os 19.—Horse, or rider 20.—Diverging veins...Knockmahon, tee 37.—Fragment of lode, Bergmannstrost Mine, Clausthal 38.—“ Pebble,” Huelgoét. 39.—Section...Extended Hustlers’ Mins 55.—Section across New Chum Mine 56.—Diagrammatic section across Broken Hill Tage |  | | Journal (volume) | | Bolivia's Case for the League of Xations 2^1 Greenside Mine. Borlase, W. H Emmons and Grnner (m.d.). . 2r)3...RcH-ords of Miiiinc Cotln-ll Prccioitalion Process. la^), 101, :tsi .(....rf.). 31 Report Crown Mines...at Repqft Dolcoath Mine Dolcoath's Financfs Dolcoath's Future Dollv Varden Mine Draper, Murray "211...Gold Mines Flats and Sops in Furness Flin-Flon, Mine Option on Flin-Flon Ore-body Flotation Litigation...Schwarz (m.rf.) Kalgoorlie, Strike at Kalgurli Mine Closes Katathemiometer, Dr. Hill's Keeley Silver |  | | Book (volume) | | MSfiH I'Ajtap^JU:’ pru8r4lA 4« U18 CH^trtkaiC Ml ti,aifviua>>) BT Stt^as*...Site (Ses Salines, Spain) — BT Spain Antiquities Sa Cova des Vi Rockshelter (Spain) USE Cova des Vi Rockshelter...Rockshelter (Spain) Sa gnon mam bzhags USE Rebirth (Game) Sa-Kya (Sect) USE Sa-skya-pa (Sect) Sa-la hui (Chinese...(Chinese people) USE Salar (Chinese people) Sa-la tsu (Chinese people) USE Salar (Chinese people)...Saavedra, Palacio de los (Murcia, Spain) USE Colegio Mayor Azarbe (Murcia, Spain) Sa'aydTyah, Tall (Jordan) |  | | Book | | Cientificas, Barcelona, Spain • and WES GIBBONS AP 23075, Barcelona, Spain 2007 Published by The Geological...Chile) E. Custodio (Univ. Politecnica de Cataluna, Spain) E. Godoy (SER NAGEOMI , Chile) A. Hartley (University...Mexico) F. L opez Vera (Univ. Aut6noma de Madrid, Spain) H. Miller (Ludwig-Maximilians-Un1 v. Germany) D...1dacl Car<1lica de Chile . ..J.iwn<'da 3../0. <:asi/la 11_-I-D Sanrwgo. C/11/e and J11sriru1e of Ecology...San1iago, Chile A. Cecioni Departarnento Cienc1as de la Tierra. (./nirersidod de Concepcion, Casilla 160-C |  | | Journal (volume) | | JOHN STANTON, Secretary and Treasurer. MINE OFFICE : Atlantic Mine, P.O., Houghton Co;, Nlicln CENTRAL...JOHN STANTON, Secretary and Treasurer. MINE OFFICE: Central Mine IP. O., Keweenaw Co., Mich. JOHN..., Chicago, III. Matthiessen & Hegeler Zinc Co., LA SALLE, ILLINOIS, SMELTERS OF SPELTER AND MANUFACTURERS...Properties Electrical allied subjects. Mechanism ; Mine Mechanical and Accounts; Hydraulics; General...reasonable price for same, deserves commendation, La Fayette, Ind., Jan. 18, 1893. ELDRIDGE, C. E. Usii |  | | Book (volume) | | Formerly Correspondent of The Standard in Spain. Bourbons in Spain. A. E. S. Canon Law: General; Cardinal...Champagne et de Brie; Géographie de la Gaule au VI siecle; Atlas historique de la France depuis César jusqu’d...Monnaies Grecques et Romaines; Catalogue des Camées de la Bibliotheque Nationale. E. C. Epwarp E. C. B....Author of Les : Camisards; précurseurs francais de la Tolérance; Histoire de l'établissement des protestants...Spanish Academy. Author of A History | Celestina, La; of Spanish Literature; &c. Cervantes. J. H. F. |
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