| | Journal (article/letter/editorial) | elsevier.com/locate/oregeorev Mesozoic orogenic gold deposits in Mexico Aldo Izaguirre a,â, Antoni CamprubĂ...Iriondo c,d a Programa de Posgrado en Ciencias de la Tierra, Centro de Geociencias, Universidad Nacional...American Cordillera Orogenic gold deposits Shear zones Caborca orogenic gold belt Arteaga metamorphic complex...metamorphic complex a b s t r a c t Although orogenic gold deposits in Mexico were mostly formed during the...been formally associated with the existing orogenic gold occurrences. Given the current scarcity of age data | | Izaguirre, Aldo, Iriondo, Alexander, Kunk, Michael J., McAleer, Ryan J., Atkinson, William W., MartĂnez-Torres, Luis M. (2017) Tectonic Framework for Late Cretaceous to Eocene Quartz-Gold Vein Mineralization from the Caborca Orogenic Gold Belt in Northwestern Mexico*. Economic Geology, 112 (6) 1509-1529 doi:10.5382/econgeo.2017.4519 | Journal (article/letter/editorial) | Cretaceous to Eocene Quartz-Gold Vein Mineralization from the Caborca Orogenic Gold Belt in Northwestern Mexico*...Spain Abstract The Caborca orogenic gold belt is a large gold metallogenic province located in the North...North American Cordillera that hosts orogenic gold-bearing quartz veins and extends from northwestern...orogenic gold belt includes a number of deposits currently in production (e.g., La Herradura, San Francisco-Llano...Soledad-Dipolos, and Noche Buena) that, combined, contain gold reserves and resources of over 10 million ounces | | Izaguirre, Aldo, Kunk, Michael J., Iriondo, Alexander, McAleer, Ryan J., Caballero-Martinez, Juan Antonio, Espinosa-ArĂĄmburu, Enrique (2016) The Laramide Caborca orogenic gold belt of northwestern Sonora, Mexico; white mica 40Ar/39Ar geochronology from gold-rich quartz veins. Open-File Report 2016-1008. US Geological Survey doi:10.3133/ofr20161008 | Report (issue) | Orogenic Gold Belt of Northwestern Sonora, Mexico: White Mica 40Ar/ 39Ar Geochronology from Gold-Rich Quartz...Geological Survey The Laramide Caborca Orogenic Gold Belt of Northwestern Sonora, Mexico: White Mica...orogenic gold belt of northwestern Sonora, Mexico; white mica 40Ar/39Ar geochronology from gold-rich quartz...1. 2. Sample locations for dated white micas of gold-rich quartz veins.................................hydrothermal white mica samples of gold-rich quartz veins from the Caborca orogenic gold belt (COGB), northwestern | | | Journal (article/letter/editorial) | Placer Gold from the Rio NeuquĂ©n, Argentina: Implications for the Gold Budget in Placer Gold Formation...variable amounts of placer gold. In addition to rounded, detrital placer gold, the sediments also contain...crystalline gold (type 1 gold), which occurs as overgrowths on detrital placer gold cores. Type 1 gold is locally...locally rimmed by gold with a wormlike or crystalline texture (type 2 gold). The chemistry of the primary...origin. Type 1 gold is composed of virtually pure gold (>98 at. % Au) and type 2 gold is an Au-Hg amalgam | | | Journal (article/letter/editorial) | SCIENTIFIC COMMUNICATIONS CHARACTERISTICS OF GOLD DEPOSITS IN NORTHERN SONORA, MEXICO: A PRELIMINARY...Precambriangneisses,metamorphosed andes- sible. Many of the gold prospectsin Sonoraoccur ites,andgranites.Theserocksare...Importantbarite dewest of Magdalenade Kino where manyof the gold positsoccur,andfluoriteandU havebeenproduced depositsare...slightlydifferentage.The megashear is occupied inated gold depositshostedby silty, carbonaceous, by a Jurassic...areasfor thistype of deĂž Present address:Corona Gold Inc., Reno, Nevada 89510. positarebeingexaminedin | | | Journal (article/letter/editorial) | Geochemical Features of Ore-Forming Fluids for Orogenic Gold Deposits Throughout Geological Time Vsevolod Yu...composition of ore-forming fluids from orogenic gold deposits formed during various geological epochs...fluids (their salinity and pressure) at orogenic gold deposits are demonstrated to systematically vary...some parameters of mineralizing fluids at orogenic gold deposits are principally new information. The parameters...the mineralizing fluid systems. Keywords: orogenic gold deposit; mineralizing fluid; fluid inclusions; temperature; | | | Journal (issue) | WITH THE RIGHT software ARGONAUT GOLD PLANS FOR GROWTH KEEPING MINE COSTS IN CHECK DECEMBER 2020 | www...VOL. 141, NO.10 JOURNAL FEATURES 12 Argonaut Gold plans major growth with the help of its Magino project...Logo on White Background MineKleenÂź Underground Mine Dust Control System A complete system of formulations...DECEMBER 2020 TOMRA Sorting Mining at the Black Chrome mine in South Africa. CREDIT: TOMRA customersâ needs...MINING JOURNAL | 11 CANADA-US-MEXICO Argonaut Gold LOOKS TO LEVEL UP Junior believes Magino project | | | Journal (article/letter/editorial) | fluids and Rb-Sr isotopic dating for the Wulong gold deposit in Liaoning, chinaâWei Junhao, Qiu Xiaoping...modelling of sulphidic waste rock dumps at the Aitik mine site, SwedenâClaire M. Linklater, Daniel J. Sinclair...40Ar/39Ar age constraints on gold mineralisation at Tarcoola, central Gawler gold province, South AustraliaâA...Neoproterozoic and Early Tertiary alkaline magmatism in the La Biche River area, southeast Yukon TerritoryâL.C....BULLETIN DE LA SOCIĂTĂ GĂOLOGIQUE DE FRANCE Ăvolution tectonique et morphodynamique de la bordure sud | | | Book | Rivera 129 Gold Deposits in Lower Paleozoic Sediments of the Cordillera Real, Bolivia H.-J. Schneider... 137 The Stratabound Kellhuani Tin Deposits, Bolivia B. Lehmann . . . . . . . . . . . . . . . . . .... . . . . . . . . 147 X Contents El Aguilar Mine: An Ordovician Sediment-Hosted Stratiform Lead-Zinc...Stratabound Iron Ores in the Silurian of Argentina and Bolivia M.-A. Boso and C. R. Monaldi . . . . . . . . .... . . . . . . . . . . . . . . . . 175 The "La Helvecia" Pb, Zn, and Barite Deposit, Argentina A. Brodtkorb | | | Journal (article/letter/editorial) | District JOSE JORGE ARANDA-GĂMEZ Unidad de Ciencias de la Tierra (UNICIT), Instituto de GeologĂa, Universidad...1988); 6 = Zacatecas (Ponce and Clark, 1988); 7 = La Herradura (Labarthe-HernĂĄndez and JimenezLopez, 1991);...Schulze, 1953; Simons and Mapes, 1957; Enciso de la Vega, 1963, 1968; McLeroy and demons, 1965; Clemons...acerca de la presencia de sedimentos continentales y volcanismo asociado (ÂżEoceno?) en la regiĂłn de Pinos...12:17 07 May 2016 quĂmica de las rocas terciarias de la regiĂłn de Taxco-Huautla: Actas INAGEQ, v. 2, p. 3 | | | Report (issue) | commodities are listed by their chemical symbol (AU = gold, Pb = lead, etc.). Non-metallic commodities are...Chromium (Cr2C>3) Cobalt Copper Fluorite (CaF2> Gold Graphite Gypsum Iron (ore) Lead Lithium (Li2O) Magnesium...geologicas-mineras sobre cobre en los prospectos de "Los Alisos", "La Caridad" y "El Alacran"- Reconocimiento geologico...L., and Gomez Caballero, A., 1986, Resultados de la evaluacion del deposito de boratos del area Tubutama...H.F., Jr., 1985, Characteristics of bulk-minable gold-silver deposits in Cordilleran and Island-Arc settings | | | Journal (article/letter/editorial) | Gold particle clustering: a new consideration in sampling applications S. C. Dominy*1,2 and I. M. Platten1...coarse gold problem may be present in some gold deposits. This can be due to the presence of gold particle...clusters that give the effect of individual coarse-gold particles and leads to a high constitution heterogeneity...of the clusters may be removed if the individual gold particles making up the clusters are liberated....unless true coarse-gold particles exist. Clusters are readily recognised in coarse gold deposits where they | | | Report (volume) | The next river in point of importance i.i the Sagua la Grande, on the north slope of the island, in Santa...been utilized in making illuminating gas. A little gold and silver has been mined in past times, but for...coast of province of Puerto Principe. Aguada, Cayo de la; island off north coast of province of Santa Clara...Caravelas in province of Puerto Principe. Aguilar, Punta la; point on south coast of province of Santa Clara...277. Bagaez; barrio in municipal district of Nueva Paz, province of .Habana. Population 1,229. Baguano; | | | Report (issue) | RICO ere ter eaxcsereu asfoie EO og ce eee EN ea La i John A. Dembosky Jr. and Thomas H. Anderson ae...Gulf of Mexico. They show that the Huizachal rocks (La Boca Formation) record Jurassic volcanism and plate... (Note: Cerro Berruga is distinct from Sierra de la Berruga, nearby to the south, underlain principally...eastward beneath the broad alleviated valley to Sierra La Vibora, where exposures of similar granite are overlain...stratigraphic relationships among the exposures in Sierra La Vibora (DeJong et al., 1988). Damon et al. (1962) | | | Report (issue) | Mexicana in the following issues of the BoletĂn de la Sociedad GeolĂłgica Mexicana, Volumen Conmemorativo...TectĂłnicas de MĂ©xico, and no. 2, Aspectos HistĂłricos de la GeologĂa en MĂ©xico, edited by Susana A. Ălaniz-Alvarez...F. Nieto-Samaniego; and no. 3, Temas Selectos de la GeologĂa Mexicana, edited by Ăngel F. Nieto-Samaniego...E Chihuahua A. S. U. ico ex M E W Fig. 4 E La Paz W Durango MazatlĂĄn E Pacific plate 20° Rivera...Cretaceous-Paleocene intrusive rocks ? 100° W ? La Paz 20° N Durango MazatlĂĄn ? ? ? 200 km ? ? Gdl | | | Journal (article/letter/editorial) | Universidad Nacional de La Plata, Instituto de Recursos Minerales (INREMI), Calle 64 y 120, La Plata (1900), Argentina...andesites, and reworked volcaniclastic rocks of the La Matilde Formation (Fig. 1; Echeveste et al. 2001;...Guido, 2004; Guido et al. 2006). In broad terms, La Matilde strata, including fossil hot spring deposits...mineralization in the Deseado Massif, including economic gold- and silver-bearing, mainly low-sulphidation-type...aligned in four major structural belts, and regional goldâsilver epithermal mines (modified from Guido & Campbell | | | Report (issue) | 1035 A view of the main ore zone at the Carlin mine, Nevada. Popovich Hill is on the left and is underlain...this disseminated gold deposit in the 1960's inspired much of the subsequent gold exploration in the...Forum in Reno, Nev., there is a special emphasis on gold and other precious-metal deposits in the Western...factors controlling the occurrence of disseminated gold deposits, mineral-resource assessments of the midcontinent...research efforts that focus on (1) disseminated gold deposits, (2) the role of organics in ore deposits | | | Book (volume) | 80301 Cover Photo: Chapter 20. 10 La Caridad Copper Mine, I. Salas, Guillermo P. 90-28579 â ...geothermal field, Puebla F. Romero R. . 77 8. La Primavera geothermal field, Jalisco . Saul Vengas...Geology and mineral deposits of the El Boleo copper mine, Santa Rosalia district, Baja California Sur . Ivan...copper deposit, Sonora Guillermo P. Salas 199 . 20. La Caridad disseminated copper deposits, Sonora Guillermo... H. Monje H. 215 23. Geology of the Tayoltita Mine, San Dimas District, Durango H. M. Clark . 219 | | | Book (volume) | HISTORIA DE LA VILLA IMPERIAL DE POTOSI BROWN UNIVERSITY BICENTENNI AL PUBLICATIONS STUDIES IN...THE FIELDS OF GENERAL SCHOLARSHIP HISTORIA DE LA VILLA IMPERIAL DE POTOSĂ Por BARTOLOME ARZANS DE...University Press en la Imprenta MĂ©xico Nuevo Mundo, 13, D. F., S. A., MĂ©xico. Ficha de la Biblioteca del...Tabla de los capĂtulos de la Historia en este tomo ix-xiii Historia de la Villa Imperial de PotosĂ...en la obra de BartolomĂ© ArzĂĄns de 439 OrsĂșa y Vela JosĂ© de 2. AnĂĄlisis de los manuscritos de la ESTA | | | Journal (issue) | the crust from the mantle beneath Dartmoor can be Mine in central Dartmoor. A swarm of parallel fractures...to the âconhalâ do Arneiro, an open-air Roman gold mine. The three lower terraces of the Tejo (T4, T5...of CBMS. September 20 Open morning at Condurrow Mine. September 20 Celebrations for the 40th Anniversary...the Geologistsâ Association Vol. 13, No.3 2014 Mine â Giles Hemmings & David Richardson. Email: sec...determine if it is worth The 11th of June also opening a mine; after had an archaeological looking at the regional | | | Book | conveyance may not be so cheap or expeditious as mine. There then, after having seen a little of the country...honour and profit of your company, and the cost of mine will be the subject of a new agreement between us...afford, I hope to obtain from a better source than mine: but, that I may have a greater chance of success...was discovered by the Spaniards, who named it âde la Plata,â on the ill-grounded supposition that silver...Parana now a handful of men, whom inhabitants. de la Plata, with he lost with his own life in some conflicts | | | Book | Buenos Aires 1999 1 SubsecretarĂa de MinerĂa de la NaciĂłn Servicio GeolĂłgico Minero Argentino Instituto...Aires - 1999 2 Tapa: Vista hacia el sur desde la Puerta de las Angosturas, ruta provincial 45 (km... provincia de Catamarca. Sedimentitas de la FormaciĂłn de la Cuesta (PĂ©rmico). FotografĂa: Leonardo Escosteguy... 5I DR. ROBERTO CAMINOS No es sencillo rescatar la personalidad de alguien a quien le gustaba tener...porque creemos que es un deber recordar sus virtudes y la influencia que Roberto Caminos tuvo en el progreso | | | Report (issue) | between the guerrillas of the Farabundo Marti para la Liberacion Nacional (FMLN) and the El Salvadorian...Chalchuapa Sierra de Apaneca Ahuachapan Yah AA La Hachadura Quezaltepeque Caluco SE vents Armenia...Ocean ( ) San Salvador avalanche deposit cA . » La Libertad , Nâ Figure 1. Location map. Triangles...Ataco caldera, ApâApaneca Naranjos, MCâMalacara, La Ninfas, LVâLaguna Verde, CuâCuyanausol, LRâLas Ranas...CVâCerro Verde, ECâEI Conejal, EAâEI Astillero, LOâLa Olla, CCâCerro Chino, SMâSan Marcelino. Modern Santa | | Ruzicka, Alex, Grossman, Jeffrey, Bouvier, Audrey, Herd, Christopher D. K., Agee, Carl B. (2015) The Meteoritical Bulletin, No. 101. Meteoritics & Planetary Science, 50 (9) 1661 doi:10.1111/maps.12490 | Journal (article/letter/editorial) | Luc Labenne on a gravel surface in 1999 near the mine named Toro, 70 km northeast of Taltal. Physical...are 3.0 wt.% FeO, 5.1 ppm Sc, 80 ppm Ni, 1.4 ppm La, 0.6 ppm Sm, 0.69 ppm Eu, 0.48 ppm Yb, 0.2 ppm Th...are 9.8 wt.% FeO, 24 ppm Sc, 320 ppm Ni, 8.1 ppm La, 3.7 ppm Sm, 0.75 ppm Eu, 3.2 ppm Yb, 1.7 ppm Th...% FeO, 40 ppm Sc, 56 ppm Co, 110 ppm Ni, 24.3 ppm La, 11.2 ppm Sm, 0.76 ppm Eu, 8.1 ppm Yb, 4.3 ppm Th...are 6.0 wt.% FeO, 9.4 ppm Sc, 470 ppm Ni, 14.5 ppm La, 6.4 ppm Sm, 1.4 ppm Eu, 4.1 ppm Yb, 2.1 ppm Th. | | | Book (volume) | Antonio Acosta-Vigil Instituto Andaluz de Ciencias de la Tierra (CSIC-UGR), Armilla, Granada, Spain Alexandra...GeologĂa & Centro de Estudios Avanzados en Ciencias de la Tierra (CEACTierra), Campus de Linares, Universidad...Ambientales y BioquĂmica, Universidad de Castilla-La Mancha, Toledo, Spain Tiago Alves 3D Seismic Lab...Recerca Geomodels and Departament de DinĂ mica de la Terra i de lâOceĂĄ, Universitat de Barcelona, Barcelona... Spain Marcos Aurell Departamento de Ciencias de la Tierra, Facultad de Ciencias, Instituto de InvestigaciĂłn |
|