 | Oliveros, Verónica, Tristá-Aguilera, Dania, Féraud, Gilbert, Morata, Diego, Aguirre, Luis, Kojima, Shoji, Ferraris, Fernando (2008) Time relationships between volcanism–plutonism–alteration–mineralization in Cu-stratabound ore deposits from the Michilla mining district, northern Chile: a 40Ar/39Ar geochronological approach. Mineralium Deposita, 43 (1) 61-78 doi:10.1007/s00126-007-0147-1 | Journal (article/letter/editorial) | | Cu-stratabound ore deposits from the Michilla mining district, northern Chile: a 40Ar/39Ar geochronological...2007 # Springer-Verlag 2007 Abstract The Michilla mining district comprises one of the most important stratabound...deposits of the Coastal Cordillera of northern Chile, hosted by the Middle Jurassic volcanic rocks of...minerals from volcanic and plutonic rocks in the district allow Editorial handling: R. King V. Oliveros...Departamento de GeologÃa, Universidad de Chile, P.O. Box 13518-21, Santiago, Chile e-mail: volivero@ing.uchile.cl |  | | Report (issue) | | PROSPECTS OF THE I, H, IE, IV, AND V REGIONS, NORTHERN CHILE compiled by William C. Williams Open-File Report...complement to my dissertation work in northern Chile under the auspices of Dr. John Guilbert at the University...prospects in the I, n, IE, IV, and V Regions of Chile (Figure 1). Over 3000 sites were compiled from published...Geologia y Yacimientos Metaliferos de la Region de Antofagasta: Servicio Nacional de Geologia y Mineria, Boletin...well as descriptions of the major mines throughout Chile with insights as to their genesis. Finally, Frutos |  | | Report (issue) | | people in the cities of El Paso, Texas; Ciudad Juarez and Chihuahua, Chihuahua; and nearby Las Cruces...burgeoning cement industry in the environs of Ciudad Juarez, whose market stretches throughout the region and...locally in Chihuahua City but less so in the Ciudad Juarez cathedral. The chemical minerals of the Permian...importance. Included here is potash of the Carlsbad district of southeastern New Mexico and Frasch sulfur production...Architectural stone is produced from an underground mine in the thermally metamorphosed aureole of Permian |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...and CopperGold Deposits at Los Pelambres, Central Chile José Perelló, Richard H. Sillitoe, Constantino...History of the RÃo Blanco-Los Bronces District, Central Chile: Development of World’s Greatest Known...Chuquicamata District, Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern...Northern Chile Geology of the Bingham Canyon Porphyry Cu-Mo-Au Deposit, Utah Geology and Exploration Progress |  | | Book | | org/details/geologyofchile0000unse The Geology of Chile • The Geologica l Society of London Books Editorial...T. & GIBBO, s, W . (eds) 2007 . The Geology of Chile. The Geological Society, London. CHARRIER, R., PINTO...the Andean Orogeo in Chile. Jn: MORENO, T. & GrnsoNs, W. (eds) The Geology of Chile. The Geological Society...Society, London, 21-114. The Geology of Chile EDITED BY TERESA MORENO Earth Sciences Institute 'J aume...\ii . Grosjean 13. Field excursion from central Chile to the Atacama De<,crt. W. Gibbons & -1. Moreno |  | | Book | | produced specimens from such places as the La Fé Mine in the state of Chiapas and Santa Rosalia in the...WIC ' ' (OSE INSET) Figure 3. The mineral province of Sierra Madre Occidental. (Modified from Berstein...Mexicali Show & Nensengdo Figure 4. The mineral province of Sonora. (Mod ors ified from Berstein, 1964...University of New York, Albany) Provinces / 5 The province of Sonora, located in the northwest corner of...4) is an extension of both the basin and range province, and the copper porphyry belt of the western United | | | Book | | produced specimens from such places as the La Fe Mine in the state of Chiapas and Santa Rosalia in the...CALl[NTCS ... I MI ( Figure 3. The mineral province of Sierra Madre Occidental. (Modified from Berstein...University of New York, Albany) Figure 4. The mineral province of Sonora. (Modified from Berstein, 1964, back...Ttcolote • S 0 R A Sor • Provinces I 5 The province of Sonora, located in the northwest corner of...4) is an extension of both the basin and range province, and the copper porphyry belt of the western United |  | | Report (volume) | | after floods of 1954 and 1955. _ 69. Paricutin mine, 1}_ km southeast of Pachuca, Hidalgo.--.___ 70...______________________ _________ 71. El Paje, a mine shaft in the Magdalena district.___________ 72. Arrastre used at...physiographic province, but the northeastern part lies within the Sierra Madre Oriental province. 87 88...1938) and a detailed study of the Zimapan mining district (Simons and Mapes, 1956) had been made previously...detailed study of the Pachuca-Real del Monte mining district by A. R. Geyne and associates, including the writer |  | | Journal (article/letter/editorial) | | Mineral dealer, Phoenix, Arizona THE ‘72 SAN FRANCISCO MINE WULFENITE FIND: Near the end of 1971 a couple of...crummy looking wulfenite from the San Francisco mine [Municipi0 de Cucurpe, Sonora]. At the Globe [Arizona]...of April [1972] they talked me into going to the mine with them, and 1 went down on two trips. On the...changed my life forever. These guys had leased the mine and hired six or seven Bill and Carol Smith are...for publicatiort. Bill is on the Colorado Inactive Mine Reclamation Advison Council. Carol is a comntittee |  | | Report (issue) | | Gavilanes Tungsten District El Antimonio District Magdalena District Cananea District Preliminary Deposit-Type...or to a group of closely-spaced deposits. Two district records have been included (MX00018 and MX02161)...or names of individual orebodies. DISTRICT/AREA Informal district name used in the literature. Names...sodium compounds BRI brine P phosphates C coal QTZ quartz F fluorite TLC talc GRF graphite VRM vermiculite...Evaporite Na Trona Salt Fluorite Vein Limestone Quartz USGS MODEL NUMBER The number corresponding to |  | | Book | | local families who high-grade the tailings or the mine itself. The most interesting thing to consider,...pegmatite areas south of El Condor, and the Sierra de Juarez. For a straight run down the east coast of Baja...down the steep eastern escarpment of the Sierra de Juarez, east of La Rumorosa. For the purpose of telling...the Jesils Marla silver and copper mine, high on a ridge. The mine has been worked only sporadically in...may be able to find some interesting quartz specimens in the mine dumps. Between 1969 and 1973 Josephine |  | Carrino, Thais Andressa, Crósta, Alvaro Penteado, Toledo, Catarina Labouré Bemfica, Silva, Adalene Moreira (2015) Unveiling the hydrothermal mineralogy of the Chapi Chiara gold prospect, Peru, through reflectance spectroscopy, geochemical and petrographic data. Ore Geology Reviews, 64. 299-315 doi:10.1016/j.oregeorev.2014.07.012 | Journal (article/letter/editorial) | | main cores of advanced argillic alteration (AAA) (quartz – alunite supergroup minerals - kaolinite - dickite...core is CE surrounded by argillic alteration (quartz - illite - paragonitic illite - smectite ± pyrite)...pyrite) and AC propylitic alteration (quartz - plagioclase - chlorite - calcite - epidote - smectite ±...structured towards N65E. The mineral phases comprise quartz - kaolinite - smectite ± barite ± dickite, and...migration of the Barroso magmatic arc towards the Peru-Chile trench resulted in the current active volcanism |  | | Journal (article/letter/editorial) | | of lateral displacement, and a nearby slice of quartz diorite may indicate displacement as great as 14...that form erosional remnants capping the Sierra Juarez and the coastal hills north of Ensenada; and (3)...Maestrichtian in age. The southern part of the Sierra Juarez, north of the Agua Blanca fault, is capped by dissected...of volcanic rocks are wide spread on the Sierra Juarez north of the Agua Blanca fault, whereas such rocks...zone appear to be (1) those controlling the Sierra Juarez and Sierra San Pedro Martir, (2) the San Miguel |  | | Journal (article/letter/editorial) | | Roxbury, Maine, has written of their finding smoky quartz crystals, some as large as 5 x 6 inches, petals...petals of crandelite, some white on clear quartz crystal slabs, others brown, coated with marcasite or interspersed...trip through Sudbury, Cobalt, Ontario, Porcupine mine and parts of Michigan. T h e talk was illustrated... Marguerite Collyer. West Nyack, N.Y. Capitol District Mineral Club A singular and unique distinction...distinction has become the responsibility of the Capitol District Mineral Club of Albany, New York. At a meeting |  | | Report (issue) | | DEPOSITS IN THE NORTHERN PART OF THE SIERRA DE JUAREZ NORTHERN TERRITORY LOWER CALIFORNIA, MEXICO By...In pocket Geologic map of area near El Fenomeno mine. In pocket Geologic map, sections, and leve·l maps...••••••••• In pocket Flowsheet of mill at El Fenomeno mine ••• ~ •• In pocket Geologic map and sections of...pocket Index map showing location of tungsten district studied in Lower California ••••••••••• 75 •...DEPOSITS IN THE NORTHER!~ PART OF THE SIERRA DE JUAREZ, NORTHERN TERRITORY, LOWER CALIFORNIA, MEXICO |  | | Book | | Ancient Metallurgy at the Ramaditas Site, Northern Chile Gray Graffam, Mario Rivera and Alvaro Carevid 75...methods of undergroimd mining and the problem of mine drainage. Those in Part 1 examine prehistoric aboriginal...mining in the hyperarid Atacama Desert of northern Chile. To conclude Part 1, historian Susan Ramirez briefly...south¬ ward along the Atacama desert of northern Chile and the mountain val¬ leys of northwestern Argentina...hammerstones (White 1884, 245; West 1952, 54). In northern Chile occasional accidental finds of a desiccated body |  | | Journal (article/letter/editorial) | | subdivisions ploitation began in the Santa B{~rbara district in 1565 (Gonzalez 1946a), still one of the major...interpre- PHYSIOGRAPHY Sierra Madre Occidental Province Geomorphologically, Chihuahua can be divided...west it is part of the Sierra Madre Occidental Province that stretches for over i,I00 km throughout northwestern...surface, but southward the western margin of the province is deeply incised by gorges or barrancas of rivers...draining into the Pacific (Figl i). As a result, the province is divisible into two distinct parts in southwestern |  | | Journal (article/letter/editorial) | | TECTONIC IMPLICATIONS OF ASYMMETRICALLY LAGUNA JUAREZ PLUTON MEXcIoBCALI AJA FORNIA, ZONED SIERRA...Mount San Jacinto La Posta Long Portrero Laguna Juarez Sierra San Pedro Martir a See Fig. 3 for locations...bull's eye plutons of La Posta [15] and Laguna Juarez [16]. Individual plutons are listed in Table 1...fact that not all zoned plutons within a given province are asymmetrical, and those that are, are asymmetric...consistent relation (from province to province, or even possibly within a province) between the direction |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...very old origin, often without lrnown source. e.g. quartz or cinnabar. Current practice most often names...polished mineral surface, expressed in clase. 7 - quartz. 8 - topaz, 9 - corundum, 10 - dia- percentage...expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture)...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g. |  | | Report (issue) | | ILLUSTRATIONS PLATE 1. Geology of the Sierra Juarez, Chihuahua, Mexico...............................Generalized stratigraphic column for the Sierra Juarez, Mexico .................................................... Style of deformation in the Sierra Juarez, Mexico .........................................contributed coarser clastic components, such as quartz sand, gravel, and even some landslide deposits...between the Colorado Plateau and the Basin and Range province of Arizona. During mid-Tertiary time this zone |  | | Journal (issue) | | Mineral Localities: The Erupción/Ahumada Mine, Los Lamentos District, Chihuahua, Mexico ....................Front Cover WULFENITE from the Ahumada mine, Los Lamentos District, Chihuahua, Mexico; 6.6 cm across. Norm...gathering around a natural amphitheater amid the mine buildings and headframes in order to hear what we...Mexico-II having been devoted to the famous Ojuela mine). Covered here are four more important and prolific...and Arizona Company, then managed the New Cornelia mine at Ajo with great success. While still working for |  | | Journal (article/letter/editorial) | | the Iabel of the original specimen from Copiapo, Chile, in the collection of the Duchy of Leuchtenberg...Localitv Work 1865* von Kobcll, Franz 2 Copiapo, Chile Proposed as speciesl made anal- 1892- Dana,System...Miiton-Axelrod Copiapo, Chile Costrovirroyna, Peru 8 12 1 15 Randsburg, Calif. Chile, Peru Identified...repeated on similar material also from Copiapo, Chile, by Stevanovic (5) (Analysis B, Table 2). Further...Kobell's originally so-named material from Copiapo in Chile. It appeared identical with the Peruvian specimens |  | | Report (issue) | | Director For additional information write to : District Chief U.S. Geological Survey Water Resources Division...ground-water withdrawals from the Hueco Bolson by Ciudad Juarez municipal wells, 1926-84 ........................withdrawals from the Hueco Bolson by El Paso and Ciudad Juarez municipal wells, by industrial and military wells...and municipal withdrawals by El Paso, Texas, and Juarez, Mexico, were compiled by the El Paso Water Utilities...Department of Water Resources, and by the Texas District of the U.S. Geological Survey. Information on |  | | Book | | El Antimonio District Cananea District ...... Arizpe District ........... Nacozari District ...... Moctezuma...Moctezuma District ... Hermosillo District ... Alamos District ........ San Bernardo Area Alistos District...SECTION 2 — Highway 45 Sabinal District ............... Los Lamentos District.... Placer de Guadalupe Puerto...Aire District Chihuahua .......................... Santa Eulalia District....... El Potosi Mine........Antonio Mine....... Cusihuiriachic District..... Barranca de Cobre (Copper Canyon) Batopilas District Strip |  | | Journal (article/letter/editorial) | | enjoyable trip well into Mexico. We entered at Juarez, leaving our car in El Paso, Texas, and going with...Grande, the river which separates U.S. from Mexico. Juarez is on the south bank. These friends live in Chihuahua...description of the enclosed sand. Juarez, Mexico. About 35 miles south of Juarez, is a large patch of blow sand...grained, pale brownish sand consisting chiefly of quartz (colorless, brownish, smokv) with a small amount...dark gray medium grained sand consisting of smoky quartz and black magnetite.—Editor). Veracruz, Mexico |
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