 | | Journal (article/letter/editorial) | | isotopes in the tropical mining region of Taxco, Guerrero (southern Mexico) Azucena Dótor-Almazán, María Aurora...isotopes in the tropical mining region of Taxco, Guerrero (southern Mexico), Chemical Geology (2017), doi: 10...isotopes in the tropical mining region of Taxco, Guerrero (southern Mexico) Azucena Dótor-Almazán1, María Aurora...Universidad Nacional Autónoma de México, Instituto de Geofísica, Circuito de la Investigación S/N, C.U....Ciencias de la Tierra, Universidad Autónoma de Guerrero, Ex hacienda San Juan CR Bautista s/n, Taxco el Viejo |  | | Journal (article/letter/editorial) | | Two Abandoned Tailings in the Taxco Mining District, Guerrero (Mexico) Teresa Pi-Puig 1,2, *, Jesús Solé...Adriana Gómez Cruz 3 Instituto de Geología, Universidad Nacional Autónoma de México (UNAM), Cd. Universitaria...Universitaria, Coyoacán, Mexico City 04510, Mexico; jsole@geologia.unam.mx Laboratorio Nacional de Geoquímica y Mineralogía...Nacional Autónoma de México (UNAM), Cd. Universitaria, Coyoacán, Mexico City 04510, Mexico Posgrado en Ciencias...Ciencias de la Tierra, Universidad Nacional Autónoma de México (UNAM), Cd. Universitaria, Coyoacán, Mexico |  | | Journal (article/letter/editorial) | | Potentially Toxic Chemical Species at an Abandoned Copper Mine Tailings Dump Wilson Mugera Gitari 1,2, * 1 2 3...February 2018 Abstract: Large volumes of disposed mine tailings abound in several regions of South Africa...analysis showed the following order of abundance: quartz > epidote > chlorite > muscovite > calcite > hematite...consequently resulting in the formation of acidic mine drainages with low pH conditions laden with high...oxidative weathering of pyrite present within the mine tailings dumps [14]. The duration of these environmental |  | | Report (chapter) | | of St Andrews on March 11, 2015 The Salina del Fraile pull-apart basin, northwest Argentina J. R E I...jurriaan.reijs@shell.com) Abstract: The Salina del Fraile in northwest Argentina is a Pliocene to Recent...releasing stepover along the NNE-SSW-trending E1 Fraile sinistral strike-slip fault. The basin is 35 km...basin connecting the northwest strand of the El Fraile Fault to the southeast strand. An anticlinal positive...along the E! Fraile fault system. The morphology and fault architecture of the Salina del Fraile pull-apart |  | | Report (issue) | | Susana A. Alaniz-Álvarez Centro de Geociencias Universidad Nacional Autónoma de México Apartado postal 1-742...F. Nieto-Samaniego Centro de Geociencias Universidad Nacional Autónoma de México Apartado postal 1-742...Geológica Mexicana in the following issues of the Boletín de la Sociedad Geológica Mexicana, Volumen Conmemorativo...Grandes Fronteras Tectónicas de México, and no. 2, Aspectos Históricos de la Geología en México, edited...Ángel F. Nieto-Samaniego; and no. 3, Temas Selectos de la Geología Mexicana, edited by Ángel F. Nieto-Samaniego |  | | Report (issue) | | North-Central Mexico Edited by Claudio Bartolini Department of Geological Sciences University of Texas at El Paso...Paso El Paso, Texas 79912 United States and James L. Wilson 1316 Patio Drive New Braunfels, Texas 78130...of Geological Sciences New Mexico State University Las Cruces, New Mexico 88003 United States SPECIAL...Perspective view toward the east includes Sierras de San Julian, Teyra, Candelaria and Grunidora (northwest-trending...stratigraphy and paleogeographic evolution of northeast Mexico.1 R. K. Goldhammer and C. A. Johnson 2. Red beds |  | | Report (issue) | | SURVEY EVOLUTION OF THE LOS FRAILES CAIDERA, CABO DE GATA VOLCANIC FIELD, SOUTHEASTERN SPAIN B/ Charles...FRAILES CALDERA, CABO DE GATA VOLCANIC FIELD, SOUTHEASTERN SPAIN INTRODUCTION The Cabc de Gata volcanic field...of gold (Sierra and Leal, 1968). The Transaccion mine is being reopened as a heap-leach operation; published...minor gold have been produced from mines in the Cabo de Gata center, located just southwest of the Los Frailes...caldera, which is the oldest known caldera in the Cabo de Gata volcanic field, is about 5 km across and the |  | | Journal (article/letter/editorial) | | 31. 1930 EVOLUTION OF THE COAHUILA PENINSULA, MEXICO Part II. GEOLOGY OF THE MOUNTAINS BORDERING THE...................... 1033 Structures of the Valle de las Delicias.......................................E COAHUILA PENINSULA, MEXICO ILLUSTRATIONS Page 1. Index map of northern Mexico........................the southwestern part of the state of Coahuila, Mexico (Fig. 1). It lies in the Mexican Plateau Division...investigations of the area were confined to the Valle de las Delicias. The results of this work are contained |  | | Journal (article/letter/editorial) | | Study of Volcanics of the Valley of Mexico By FREDDIE MOOSEIt, Mexico City, ALAN E. M. NAIRN, Columbia/South...andesitisehe Produkte. Abstract Tile basin of Mexico lies in the center of the Trans-Mexiean Volcanic...R6sum6 Le bassin de Mexieo se trouve au centre de la eeinture voleanique de Mexico, une structure est-ouest...volcaniques, celles de la Guadaloupe et du Chiehinautzin, 6talent eourtes. Les roches du Groupe de Chiehinautzin...Instituto de Geofisiea, Universidad Nacional Autonoma, Torre de Cieneias, Ciudad Universitaria, Mexico 20 D |  | | Journal (article/letter/editorial) | | chain of volcanoes that extend from western Panama to El Salvador, as well as fold axes within a forearc depositional...by agencies from Bulgaria, Russia, Bra zil, and Mexico. The most recent phase of acceler ated mineral...Manifestations of the depres sion are evident in El Salvador to the northwest and south to the northeast...intrusives consist of biotite granite, quartz monzonite, quartz diorite, and granodiorite. A small, differentiated...Jurassic-Cretaceous Todos Santos Formation of Honduras and El Salva dor (McBirney and Williams, 1965; McBirney |  | | Journal (article/letter/editorial) | | Directorate-GeneralXII, Commissionof the European Communities,Rue de la Loi 200, B-1049, Brussels, Belgium Received: December...1989/Accepted: August 2, 1990 Abstract. The Cabo de Gata volcanic field of southeastern Spain contains...discuss the evolution of three calderas in the Cabo de Gata volcanic field of southeastern Spain. The papers...Lomilla calderas (described in Part II). The Cabo de Gata volcanic field is the only extensive area of...margins of calderas, and miningdistricts withinthe Cabo de Gata volcanic field S 22 2~ 2o06'W 36~ 48' N |  | | Journal (article/letter/editorial) | | Chaupiloma (19.5–15.9 Ma), and the dacitic Cerro Fraile pyroclastics (15.5–15.1 Ma). The younger Yanacocha...hydrothermal biotite and underlies zones of stage 4 and 5 quartz-alunite alternation that are 0.8 and 1.5 m.y. younger...deposits contain massive and vuggy quartz, quartz-alunite, and quartz-pyrophyllite alteration associated...characterized by alteration zones of vuggy residual quartz containing ore mineral assemblages with relatively...sulfidation states within broad zones of alunite + quartz ± pyrophyllite ± diaspore ± dickite alteration |  | Saillard, M., Hall, S.R., Audin, L., Farber, D.L., Hérail, G., Martinod, J., Regard, V., Finkel, R.C., Bondoux, F. (2009) Non-steady long-term uplift rates and Pleistocene marine terrace development along the Andean margin of Chile (31°S) inferred from 10Be dating. Earth and Planetary Science Letters, 277 (1) 50-63 doi:10.1016/j.epsl.2008.09.039 | Journal (article/letter/editorial) | | a, R.C. Finkel d,e, F. Bondoux a,b a Université de Toulouse; UPS (SVT-OMP); LMTG; 14 Av, Edouard Belin...erosion during sea-level highstands. In the Altos de Talinay area (~ 31°S), we have identified a sequence...these times. We suggest that since 700 ka, the Altos de Talinay area was predominantly uplifted during 2...al., 2006). In this study, we focus on the Altos de Talinay area of Chile (~30°–31°S). The general morphology...of coast from Tongoy (30.25°S) to south of Bahía El Teniente (31°S; Coquimbo region, Chile; Fig. 1). |  | | Report (issue) | | and Central America, as well as the Caribbean and Mexico. Geoscientific research and economic interest in...pertinent works on the Pacific Ocean, Caribbean Sea, Mexico, and northern South America as well as the countries...Nicaragua. Studies of the stratigraphy from southern Mexico, Honduras, Costa Rica, Belize, and Guatemala are...Development, 1966, Nicaragua; Inventario nacional de recursos ffsicos, Centre America y Panama: Managua...Nicaragua]: Comptes Rendus Hebdomadaires des Seances de 1'Academie des Sdences Serie D: Sdences Naturelles |  | Villamizar-Escalante, N., Bernet, M., Urueña-Suárez, C., Hernández-González, J.S., Terraza-Melo, R., Roncancio, J., Muñoz-Rocha, J.A., Peña-Urueña, M.L., Amaya, S., Piraquive, A. (2021) Thermal history of the southern Central Cordillera and its exhumation record in the Cenozoic deposits of the Upper Magdalena Valley, Colombia. Journal of South American Earth Sciences, 107. 103105pp. doi:10.1016/j.jsames.2020.103105 | Journal (article/letter/editorial) | | Colombia 9 2 Servicio Geológico Colombiano, Dirección de Asuntos Nucleares, Carrera 50 N.° 26-20, Bogotá D...Alpes, CNRS, IRD, IFFSTAR, Institute des Sciences de la Terre, 38058 Grenoble Cedex 9, France 11 3...Dirección de Recursos Minerales, Transversal 53 N.° 34-54, Bogotá na lP Departamento de Mineralogia...Instituto de Geociências (GMG-IGc), Universidade de ur Servicio Geológico Colombiano, Dirección de Geociencias...48 2 by Jurassic plutonic rocks of the Páez quartz-monzodiorite (Zapata et al., 2015; Rodríguez et |  | | Report (volume) | | Billings, M. P., 1. look: Clifford, O. C., Jr. Mexico, Paricutin ash deposits, Ore detection by new devices:...geological history and Future: Conselman, F. B. , 7. Mexico: Guzman Jimenez, E. J., petroleum geology: Thomas...limonite: Keller, W. D., 5. Moneymaker, B. C., 1. Mexico; Rodriguez Cabo, J., Jr. ,1. Indian Mtn. area:... Jr., 1. Lowndes County: Scott, John C. Uranium, De Kalb County, ChattanMadison County: Malmberg, ooga...Oxygen-isotope variations, MalasCleary Hill gold mine, soluble pina Glacier: Epsteina, S., 7. heavy metals |  | | Journal (issue) | | PATENTS AND APPLICATIONS IN THE nu les Meet el 2 be 2 ee WIRE ROPE Head Office: SAN FRANCISCO...and Section = " World’s Largest Molybdenum Mine 4 s is the striking setting for this new Lorain...Distributor — to boost production and cut costs in your mine or pit! THE THEW SHOVEL LORAIN, OHIO HYD RAUL...COMPRESSORS— Models to from 1.6 to 3656 C.F.M. MINE-AIR CONTINUOUS MINERS—For efficient, low-cost mining... A/B, Stockholm 3, Sweden S.EMU. ; , 3R ve Godot de Mavroy, Paris, France COAL SPIRALS Lurgi-Chemie |  | | Report (volume) | | Petroleros Bol.-Asociacion Mexicana de Ge6logos Petroleros Boletin. Mexico, D.F. Assoc. Am. Geographers Annals-Association...Ithaca, N.Y. Cahiers Geographie Quebec-Cahiers de Geographie de Quebec. Quebec, Quebec. Calif. Dept. Nat....Commun. Geol.-Copenhague Universite, Museum de Mineralogie et de Geologie Communications Geologiques. Copenhagen...Journal. Chapel Hill, N.C. El Salvador Univ. Inst. Tropical Inv. Cient. Comun.-El Salvador Universidad Instituto...Instituto Tropical de Investigaciones Cienti:ficas Comunicaciones. San Salvador. Eng. Min. Jour.-Engineering |  | | Report (volume) | | Pangae a 18 5 REIJS, J . & McCLAY , K . Th e Salin a de l Frail e pull-apart basin , northwest Argentin a...Thi s vie w has been questione d recently b y Maggi el al. (2000a, b ) who argue that the distribution of...as well as b y foldin g an d thrustin g (Sorlie n el al . 1999) . Other example s o f rotationa l termination...F., STORTI , F. , BRANCOLINI , G., BUSETTI, M . & DE CILLIA , C . 1998 . Strike-sli p induce d Cenozoi...VAUCHE Z & A. TOMMAS I Laboratoire de Tectonophysique, Universite de Montpellier II et CNRS, PL Eugene |  | | Journal (issue) | | orientated perpendicular to the c-axis. A tourmaline-quartz combination from Brazil has an iridescent chatoyancy...4). Some new unusual cat's-eyes and star stones Quartz-tourmaline cat's-eye from Brazil A strange stone...was covered by colourless rock crystal so this quartz-tourmaline stone is a sort of 'natural doublet'...J. Hyrsl. 451 451 Figure 5: Tourmaline and quartz (27.58 ct) with an iridescent chatoyancy, a sort...by J.Hyrsl. Figure 6: Chatoyant tourmaline and quartz, side view. Photo by J. Hyrsl. After cutting into |  | | Book (edition) | | XIII. . . IIisi'aSola, El Dorado, XIV.— Dakien XV. Panama, XVI.— Mexico Production of Gold and Sii\kk...progress. YY.x^ZJ^.siyh. Institute International de Statistique. Rome, Svo. In progress. Ac. 2404. Adams...London, 1895. Agricola. De Re Metallica. Basil, 1657. Agieko Escalano (Claspar de). Ciazophilacium regium...Tkxeira. Monnaies d'Or, Sueve-Lusitaniennes, Extrait de la Revue Numismatique, Nouvelle Series, tome X, 1S65...English by Pascual de Gayangos. London, 1S40-3, 2 vols, 4to. 452. m. 1-2. real del reyno de Peru). America |  | | Report (volume) | | Howard R. Cramer, Barbara L. Stringfield, Eleanor H. de Chadenedes, Florence V. Oftedahl, Margaret Cooper...headings are: ALABAMA, ALBERTA, CANADA, JAMAICA, MEXICO, NEVADA, and UNITED STATES. CANADA and UNITED STATES...Brasileira Cienc. Auais Academia Brasileira de Ciencias Anais. Rio de Janeiro. Acad. Cienc. M6d., FIs. y Naturales...Naturales Habana Anales Academia de Ciencias MSdicas, Fisicas y Naturales de la Habana Anales. Havana. Acad...Cienc. Mem. Rev. Academia Nacional de Ciencias Memorias y Revista. Mexico, D.F. Acad. Nat. Sci. Philadelphia |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Especially when the mineral species is common, such as quartz (75.1.3.1), many varieties (jasper, onyx) are known...chemistry and structure are identical to those of quartz. 5D. Polytypes Materials whose basic structural...only with fibrous minerals Columbite, wolframite Quartz Opal, some yellow varieties of sphalerite Nepheline...are distinctive. Chonchoidal fracture, typical of quartz, gives a fracture similar to the interior of a...Calcite 4 5 6 Fluorite Apatite Orthoclase a Quartz Soft, greasy feel like tale and graphite, and |  | | Report (chapter) | | of the International Geological Congress, Mexico City, Mexico. Significance of strike-slip bends and unresolved...well-studied San Andreas fault zone of the western USA and Mexico (Fig. 1), which is the most commonly used example...Quaternary Enriquillo– Plantain Garden Mur– Murz El Paraiso Basin Colombia Algeciras Velandia et al...Lazy-S pull-apart Active Salina del Fraile Argentina El Fraile 19 Lazy-S pull-apart Active Oligocene...– L. Quaternary Neogene – L. Quaternary San Juan de Villalobos – Yunguillo Basin Siabu Basin Siqueiros |  | | Report (issue) | | Carlos W. Rapela Centro de Investigaciones Geologicas Universidad Nacional de La Plata La Plata 1900,...photo: View north across Lago Chungara of the Nevados de Payachata Volcanic Group at 18°S in northern Chile...5) pad ew ee HAM OHM M. Brown er 12. The Cordoén de Lila Complex, Central Andes, Northern Chile; An Ordovician...Deep Crust of an Early Paleozoic Arc; The Sierra de Fiambala, Northwestern Argentina. . ectuxgeta Latte)...F.N. Page, L. M. Villar, R. G. Coleman, and M. V. de Ramirez eR 14. Petrology of Quaternary Shoshonitic |
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