 | | Catalog/List | | locality, Earth makes her own crystals; or the mine where a mineral was discovered, is akin to its ...tsavorite. Traveling west to the storied Tsumeb Mine is one of the very finest examples of the region’s...Dioptase Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia 13 cm tall x 14 cm wide Africa The mine we now call...Mibladen, Aït Oufella Caïdat, Midelt Cercle, Midelt Province, Drâa-Tafilalet Region, Morocco 12.7 cm tall x...featuring the complete story and history of this mine. Asia 21 Schorl Tourmaline with Aquamarine Shengus |  | | Journal (article/letter/editorial) | | represents the culmination of two expeditions to Colombia and Ecuador in 1853 and 1857, inspired by the...January–February, 2016 The Emerald Mines of Colombia Thomas P. Moore The Mineralogical Record 2709...organics-rich sedimentary rocks in the Department of Boyacá in west-central Colombia. From the early 16th century...major specimens of euclase, parisite-(Ce), quartz, pyrite and dolomite have also emerged. Episodes of bloody...are on the rise and may someday catch up, but Colombia is still the source of 60% of all gem-quality |  | | Journal (issue) | | 187 Peñas Blancas: An historic Colombian emerald mine R. Ringsrud and E. Boehm 251 Book review 254...(Brush Prairie), Dr E. Fritsch (Nantes), R. Galopim de Carvalho (Lisbon), Prof. L.A. Groat (Vancouver),...Colombian emerald mine Ron Ringsrud and Edward Boehm Abstract: The Peñas Blancas emerald mine is part of Colombia’s...mines. This is the largest emerald district in Colombia, and it is the most productive and well-known...compares this historic mine to other famous producers in the region. Keywords: Colombia, emerald, geology |  | Angiboust, Samuel, Fayek, Mostafa, Power, Ian M., Camacho, Alfredo, Calas, Georges, Southam, Gordon (2012) Structural and biological control of the Cenozoic epithermal uranium concentrations from the Sierra Peña Blanca, Mexico. Mineralium Deposita, 47 (8) 859-874 doi:10.1007/s00126-012-0408-5 | Journal (article/letter/editorial) | | epithermal uranium concentrations from the Sierra Peña Blanca, Mexico Samuel Angiboust & Mostafa Fayek & Ian...Abstract Epithermal uranium deposits of the Sierra Peña Blanca are classic examples of volcanic-hosted deposits...users. S. Angiboust (*) Institut des Sciences de la Terre de Paris, UMR 7193 CNRS, Université Pierre et...angiboust@upmc.fr S. Angiboust : M. Fayek : A. Camacho Department of Geological Sciences, University of Manitoba...I. M. Power : G. Southam Department of Earth Sciences, University of Western Ontario, London, ON N6A 5B7 |  | Reyes-Cortés, Manuel, Fuentes-Cobas, Luis, Torres-Moye, Enrique, Esparza-Ponce, Hilda, Montero-Cabrera, María Elena (2010) Uranium minerals from the San Marcos District, Chihuahua, Mexico. Mineralogy and Petrology, 99 (1) 121-132 doi:10.1007/s00710-009-0104-z | Journal (article/letter/editorial) | | 1007/s00710-009-0104-z ORIGINAL PAPER Uranium minerals from the San Marcos District, Chihuahua, Mexico Manuel Reyes-Cortés...two uranium deposits (Victorino and San Marcos I) of Sierra San Marcos, located 30 km northwest of Chihuahua...plasma spectrometry, and gamma spectrometry. At the San Marcos I deposit, uranophane Ca(UO2)2Si2O7·6(H2O)...activity during post-orogenic evolution of Sierra San Marcos. The secondary mineralization occurred through...Montero-Cabrera (*) Centro de Investigación en Materiales Avanzados, Miguel de Cervantes 120, 31109 Chihuahua |  | Dobson, Patrick F., Fayek, Mostafa, Goodell, Philip C., Ghezzehei, Teamrat A., Melchor, Felipe, Murrell, Michael T., Oliver, Ronald, Reyes-Cortés, Ignacio A., De La Garza, Rodrigo, Simmons, Ardyth (2008) Stratigraphy of the PB-1 Well, Nopal I Uranium Deposit, Sierra Peña Blanca, Chihuahua, Mexico. International Geology Review, 50 (11) 959-974 doi:10.2747/0020-6814.50.11.959 | Journal (article/letter/editorial) | | the PB-1 Well, Nopal I Uranium Deposit, Sierra Peña Blanca, Chihuahua, Mexico a b c Patrick F. Dobson...f f Oliver , Ignacio A. Reyes-Cortés , Rodrigo De La Garza & Ardyth Simmons e a Lawrence Berkeley...Alamos National Laboratory f Universidad Autónoma de Chihuahua, Chihuahua, Mexico Published online: 06...Ronald Oliver , Ignacio A. Reyes-Cortés , Rodrigo De La Garza & Ardyth Simmons (2008) Stratigraphy of...the PB-1 Well, Nopal I Uranium Deposit, Sierra Peña Blanca, Chihuahua, Mexico, International Geology Review |  | | Catalog/List | | Minshull Chief Operating Officer DIRECTORY FOR DEPARTMENT SPECIALISTS AND SERVICES COINS & CURRENCY COINS...com HA.com/FineArt Pinups and Illustration Art WESTERN AMERICANA Ed Jaster, Ext. 1288 EdJ@HA.com HA...V.P. Auction Operations Norma@HA.com CREDIT DEPARTMENT Marti Korver, Ext 1248 Marti@HA.com Eric Thomas... 53001 AMETHYST PORCUPINE Artigas, Artigas Department, Uruguay An Amethyst ‘porcupine’ of colorless...Capilla District, Castrovirreyna Province, Huancavelica Department, Peru Over 14 colorless Japan-Law |  | | Report (volume) | | GOVERNMENT PRINTING OFFICE, WASHINGTON : 1996 U.S. DEPARTMENT OF THE INTERIOR BRUCE BABBITT, Secretary U.S........................ Definition of a Uranium Province....................................................................... Description of Uranium Province Model................................................................ Athabasca Basin Uranium Province, Canada ..................................................... Blind River–Elliot Lake Uranium Province, Canada...................................... |  | Levresse, Gilles, Villarreal-Fuentes, Janet, Nieto-Samaniego, Angel F., Alexandre, Paul, Corona-Esquivel, Rodolfo, Solé Viñas, Jesus (2017) New metallogenic model of telescoped Eocene-Miocene Au-U epithermal mineral deposit in the Placer de Guadalupe district, Chihuahua, Mexico. Ore Geology Reviews, 91. 133-152 doi:10.1016/j.oregeorev.2017.10.011 | Journal (article/letter/editorial) | | Eocene-Miocene Au-U epithermal mineral deposit in the Placer de Guadalupe district, Chihuahua, Mexico Gilles Levresse...Eocene-Miocene Au-U epithermal mineral deposit in the Placer de Guadalupe district, Chihuahua, Mexico, Ore Geology...Eocene-Miocene Au-U epithermal mineral deposit in the Placer de Guadalupe district, Chihuahua, Mexico Gilles Levresse1...Corona-Esquivel3, Jesus Sole3 1 Centro de Geociencias, Universidad Nacional Autónoma de México, Blvd. Juriquilla No...2 Queens University, Ontario, Canada 3 Instituto de Geología, UNAM, Ciudad Universitaria, Mexico Abstract |  | Villarreal-Fuentes, Janet, Levresse, Gilles, Nieto-Samaniego, Angel F., Alexandre, Paul, Corona-Esquivel, Rodolfo (2016) Geochemistry and geochronology of the Sierra de Gomez Limestone-hosted U deposit, Chihuahua: Implications for distribution of Rio Grande rift mineral deposits in northern Mexico. Ore Geology Reviews, 76. 19-34 doi:10.1016/j.oregeorev.2016.01.004 | Journal (article/letter/editorial) | | com/locate/oregeorev Geochemistry and geochronology of the Sierra de Gomez Limestone-hosted U deposit, Chihuahua: Implications...Corona-Esquivel c a b c Centro de Geociencias, Universidad Nacional Autónoma de México, Blvd. Juriquilla No...Mexico Queens University Ontario, Canada Instituto de Geología, UNAM, Ciudad Universitaria, Mexico a r...the Chihuahua Central Graben. The age of the Sierra de Gomez U-deposit is 1.8 Ma (based on LA-MC-ICP-MS...contemporaneous with the late mineralization event of the Peña Blanca U-deposit, as well as Rio Grande Rift (RGR)-type |  | Torró, Lisard, Proenza, Joaquín, Espaillat, Julio, Belén-Manzeta, Albert, Román-Alday, María, Amarante, Alberto, González, Norverto, Espinoza, Jorge, Román-Alpiste, Manuel, Nelson, Carl (2018) The Discovery of the Romero VMS Deposit and Its Bearing on the Metallogenic Evolution of Hispaniola during the Cretaceous. Minerals, 8 (11) 507 doi:10.3390/min8110507 | Journal (article/letter/editorial) | | * Especialidad en Ingeniería Geológica, Facultad de Ciencias e Ingeniería, Pontificia Universidad Católica...(PUCP), Av. Universitaria 180, San Miguel, Lima 15088, Peru Departament de Mineralogia, Petrologia i Geologia...Geologia Aplicada, Universitat de Barcelona (UB), Martí i Franquès s/n, 08028 Barcelona, Spain; japroenza@ub...) Instituto Andaluz de Ciencias de la Tierra, CSIC-Universidad de Granada, Av. de las Palmeras, 4, Armilla...of fibrous silica and chalcopyrite, sphalerite, pyrite (+electrum ± Au–Ag tellurides). The δ34 S values |  | | Catalog/List | | directly from the miners at the Elmwood Mine in Tennessee, when the mine was actively producing twenty years...Auction 3 52001 HEMATITE Elba Island, Livorno Province, Tuscany, Italy If there was ever a specimen that...SZENICSITE with POWELLITE Jardinera No. 1 Mine, Inca de Oro, Chañaral Province, Atacama Region, Chile Terry Szenics...mineral came from one pocket in the Jardinera No. 1 Mine. That find was roughly one cubic meter in volume...MANGANOCALCITE Pachapaqui District, Bolognesi Province, Ancash Department, Peru It is difficult to believe that |  | | Journal (article/letter/editorial) | | SPILDE, AND C.K. SHEARER Institute of Meteoritics, Department of Earth and Planetary Sciences, University of...examination of samples 90-6, 89-8, and 85-2 shows alunite-pyrite S-isotope equilibrium temperatures of 215–305 °C...a JEOL 8200 electron microprobe (EMP) at the Department of Earth and Planetary Sciences/Institute of...the EMP data on the QUAD plot. Jarosite from Peña Blanca, Mexico (see Lueth et al. 2005) is also plotted...alunite (4 samples) and jarosite (1 sample). Peña Blanca jarosite has no detectable Na. These data indicate |  | | Journal (article/letter/editorial) | | require major and trace metal nutriMorenci copper mine (Arizona, USA). Here, oxidation and ents, which...time, leading to the biomineralisation primary pyrite and chalcopyrite. Weathering and alteration of...associated with bioleaching operations and acid mine drainage environments. A microorganism closely related...mineral. (A) View of the Metcalf Pit, Morenci Copper Mine (Arizona, USA) showing the weathering profile studied...sulphate-reducing bacteria are involved in the precipitation of pyrite, bornite and chalcocite in the lower blanket of |  | | Journal (article/letter/editorial) | | soufre associé aux minéralisations Pb-Zn de type Mississippi Valley de la chaîne des Beni Snassen orientaux...deposition of massive sulphide deposits in the Iberian Pyrite Belt: New data from Las Herrerías and La Torerera...Canada)—Metallogenic interpretations—Christian Le Carlier de Veslud, Michel Cuney, Guillaume Lorilleux, Jean-Jacques...the placer gold deposit of the Taymen’ river (Western Priokhotsk Region, Russia)—V.V. Ivanov, A.M. Lennikov...occurrence in Laowanchang gold deposit, Guizhou Province, southwest of China—Yuangen Yang, Shirong Liu |  | Giuliani, G., France-Lanord, C., Cheilletz, A., Coget, P., Branquet, Y., Laumomnier, B. (2000) Sulfate Reduction by Organic Matter in Colombian EmeraldDeposits: Chemical and Stable Isotope (C, O, H) Evidence. Economic Geology, 95 (5) 1129-1153 doi:10.2113/gsecongeo.95.5.1129 | Journal (article/letter/editorial) | | (C, O, H) Evidence GASTON GIULIANI,† IRD, Institut de Recherche pour le Développement, and, CRPG-CNRS,...ALAIN CHEILLETZ, ENSG, Ecole Nationale Supérieure de Géologie, Rue du Doyen Marcel Roubault, BP40, 54501...Colombian emeralds occur within carbonate-silicate-pyrite veins and breccias in black shale-limestone– hosted...are contained within two zones, the eastern and western emerald zones, in the Eastern Cordillera. Mineralizing...isotope composition range (δ18O = 17.8 ± 0.3‰). The western emerald zone contains carbonates with relatively |  | | Journal (article/letter/editorial) | | (2008) DOI : 10.3749/canmin.46.5.1159 THE URANINITE–PYRITE ASSOCIATION, A SENSITIVE INDICATOR OF CHANGES IN...pervasive precipitation of silica accompanied by pyrite, sphalerite, galena, uraninite and kaolinite, whereas...the younger stage is represented by barite with pyrite inclusions and fluorite. The uraninite formed together...content of the fluid phase during uraninite and pyrite formation can be inferred from the correlation...intragrain Asmax/Asmin values in the associated arsenian pyrite. If amounts of common lead are introduced into |  | Hyde, B. C., King, P. L., Dyar, M. D., Spilde, M. N., Ali, A.-M. S. (2011) Methods to analyze metastable and microparticulate hydrated and hydrous iron sulfate minerals. American Mineralogist, 96 (11) 1856-1869 doi:10.2138/am.2011.3792 | Journal (article/letter/editorial) | | and aBdul-MeHdi S. ali4 Department of Earth Sciences, The University of Western Ontario, London, Ontario...Mexico, Albuquerque, New Mexico 87131, U.S.A. 3 Department of Astronomy, Mount Holyoke College, South Hadley...Hadley, Massachusetts 01075, U.S.A. 4 Department of Earth and Planetary Sciences, The University of New...micro-sized particles—for example, HHIS found in acid mine drainage (AMD) environments and in martian meteorites—it...1997). These minerals are important minerals in acid mine drainage (AMD) environments (e.g., Jambor et al |  | Galuskin, Evgeny V., Galuskina, Irina O., Vapnik, Yevgeny, Zieliński, Grzegorz (2023) Discovery of “Meteoritic” Layered Disulphides ACrS2 (A = Na, Cr, Ag) in Terrestrial Rock. Minerals, 13 (3) 381 doi:10.3390/min13030381 | Journal (article/letter/editorial) | | University of Silesia, 41-200 Sosnowiec, Poland Department of Geological and Environmental Sciences, Ben-Gurion...Antarctica [4]; and in Northwest Africa 5217 [5] and Peña Blanca Springs (USA) aubrites [6]. It has also been...with the composition AgCrS2 was detected in Peña Blanca Springs aubrites, USA, but its structure has...crystals, cuspidine and flamite relics; BSE. (c) Pyrite and goethite aggregates with сaswellsilverite crystals;...Prv = perovskite; Pwo = pseudowollastonite; Py = pyrite; Rnk = rankinite; Slh = “mineral X”. Csp = cuspidine; |  | | Journal (article/letter/editorial) | | exchange and net-transfer reactions ETHAN F. BAXTER Department of Earth Sciences, Boston University, 685 Comonwealth...reactant supply is limited by diffusion. 1 Department of Earth and Ocean Sciences, Liverpool University...S60 3AR, UK (Gareth.Seward@corusgroup.com) 3 Department of Engineering, Liverpool University, L69 3GH...Lausanne, Switzerland (Susanne.Skora@unil.ch) 2 Department of Geology and Geophysics, University of Wisconsin...eclogites of the Zermatt-SaasFee ophiolite (ZSFOe, Western Alps, Switzerland/Italy) suggests that all garnets |  | | Journal (issue) | | Reveals Largest Violet Diamond Recovered from Argyle Mine Gemology 32 18 21 26 Harvard Mineral Heritage...sapphire, the name of a specific country, such as Colombia, Burma or Ceylon, is tied to the higher quality...provenance of colored gemstones all the way to the mine that produce the stone. The vertically integrated...possible tied to transparency and provenance. from mine to market is being developed strongly. As a result...branding strategies are increasingly being related to mine sites, local towns or geographical areas. There |  | | Report (chapter) | | advanced argillic alteration assemblages at the Temora mine in New South Wales, Australia, contain alunite,...accompanied by quartz and fine-grained disseminated pyrite. Coarse vein alunite occurs in >1 mm crystals in...reported from weathered profiles (e.g. Meyer and Peña dos Reis 1985), intertidal marine environments (e...intimately intergrown with fine-grained disseminated pyrite in what is commonly interpreted as an equilibrium...of alunite and pyrite is consistent with the common association of alunite and pyrite in volcanic-hydrothermal |  | | Report (issue) | | CHAPTER 1: INTRODUCTION Kurt Kyser Department of Geological Sciences and Geological Engineering, Queen’s...engineered. Once an ore deposit is discovered, a mine is developed and U extracted by a variety of mining...(Velichkin et al. 2005), the Paterson Basin in Western Australia (McKay & Miezitis 2001) and the Thelon...McDermitt caldera in Basin and Range in the USA, Peña Blanca in Mexico and Xiangshan in China. (10) Collapse...basement (IAEA 1987). The U occurs in seams rich in pyrite and organic matter. The grade may be as low as |  | Cabral Pinto, Marina, Silva, Maria, Neiva, Ana, Guimarães, Fernanda, Silva, Paulo (2018) Release, Migration, Sorption, and (Re)Precipitation of U during Peraluminous Granite Alteration under Oxidizing Conditions in Central Portugal. Geosciences, 8 (3) 95 doi:10.3390/geosciences8030095 | Journal (article/letter/editorial) | | Fernanda Guimarães 3 and Paulo B. Silva 3 1 2 3 * Department of Earth Sciences, University of Coimbra, Portugal...G.S.); neiva@ci.uc.pt (A.M.R.N.) Geosciences Department, GeoBioTec Research Center, University of Aveiro...Rua da Amieira, Apartado 1089, 4466-956 São Mamede de Infesta, Portugal; Fernanda.Guimaraes@lneg.pt (F...it had radioactive damage halos filled with late pyrite, U–S-bearing phases, and Fe oxyhydroxides; its...oxidant [17]. FeIII is produced by the oxidation of pyrite, which is usually associated with the uranium minerals |  | Schindler, Michael, Lussier, Aaron J., Bellrose, Jacob, Rouvimov, Sergei, Burns, Peter C., Kyser, T. Kurt (2017) Mobilization and agglomeration of uraninite nanoparticles: A nano-mineralogical study of samples from the Matoush Uranium ore deposit. American Mineralogist, 102 (9) 1776-1787 doi:10.2138/am-2017-5984 | Journal (article/letter/editorial) | | Rouvimov2, Peter C. Burns2,3, and T. Kurt Kyser4 1 Department of Earth Sciences, Laurentian University, Sudbury...Sudbury, Ontario P3E 2C6, Canada Department of Civil and Environmental Engineering and Earth Sciences,...Notre Dame, Notre Dame, Indiana 46556, U.S.A. 3 Department of Chemistry and Biochemistry, University of...Notre Dame, Notre Dame, Indiana 46556, U.S.A. 4 Department of Geological Sciences and Geological Engineering...crystallization through particle attachment (CPA) (De Yoreo et al. 2015) may be a possible mechanism for |
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