 | | Corporate Document | | interestin MineraSantaCruzSA,ownerof the SanJose silver-gold minelocatednearGoldcorp'sCerroNegroprojectin...com/ca/mining Working today to build the mine o tomorrow • Shaping the mine of the future At PwC, we're focused...experienced professionals has the knowledge to ensure your mine continues to grow and operate at peak performance...was sworn in, Macri invited me governors of each province co his home - an evenc, Fry says he was cold privately...says. "Aranguren was an exception." Carlos Saravia Frias, a Buenos Aires-based lawyer with his own fum, |  | | Journal (article/letter/editorial) | | mining district (Guadalajara, Spain) d. Martinez Frias Instituto Andaluz de Geologia Mediterr~nea, C.S...sulphides and sulphosalts. These deposits contain silver in Sb-rich sulphosalts such as freibergite, pyrargyrite...Bustarviejo in the Province of Madrid, through the Province of Segovia, to La Bodera in the Province of Guadalajara...Hiendelaencina, which includes the Hiendelaencina mine itself as well as the La Bodera and Congostrina...famous at the end of the last century for its rich silver deposits, those of Hiendelaencina being the most |  | | Report (issue) | | ophyllite; 5. 2 cm tall Cerro Rico, Potosi, B,atillo province, Potosi Andy Seibel col/action Jejf-SC,m/.plwto...wp11�. Yaalte: 12.5 cm wide Siglo XX Mine, ,U� Bustillo province, Potosi Malty Zinn colkdknt (ex Marv...Bunk specimen Jesse La Plante photo Map: Oruro Department .................................................... 24 BY JAROSLAV HYRSL AND ALFREDO PETROV Silver and Tin Minerals from the San Jose and Itos Mines...in Oruro ... 26 BY ROBERT B. COOK The Morococala Mine ............................................... |  | Concha, A., Oyarzun, R., Lunar, R., Sierra, J., Doblas, M., Lillo, J. (1992) The Hiendelaencina epithermal silver-base metal district, Central Spain: Tectonic and mineralizing processes. Mineralium Deposita, 27 (2) doi:10.1007/bf00197090 | Journal (article/letter/editorial) | | Springer-Verlag 1992 The Hiendelaencina epithermal silver-base metal district, Central Spain: Tectonic and...Universidad Complutense, 28040 Madrid, Spain a Department of Earth Sciences, The University of Leeds, Leeds...Central System hosts important Stephanian-Permian silver-base metal epithermal mineralizations defining...nineteenth-century miners were attracted not by the silver but by some dull barite veins. Around 1900 grades...La Bodera, and Congostrina. The first two were silver-rich while the third was base metal-rich. The epithermal |  | | Journal (article/letter/editorial) | | M. A. BUSTILLO*†, J. GARCIA-GUINEA* J. MARTINEZ-FRIAS* & A. DELGADO‡ *Departamento de Geología, Museo...occur, are located near Tordelrabano (Guadalajara province) in the eastern part of the Spanish Central Range...Late Hercynian epithermal mineralization (Martinez-Frias, 1987). The volcanism is well represented in the...rich in silver and base metals, and have been assigned to the epithermal type (Martinez-Frias, 1987; Martinez-Frias...Martinez-Frias et al. 1988; Doblas et al. 1988) using the classification of Eimon (1981). It is important |  | | Journal (article/letter/editorial) | | Administration, White Oak Campus, Silver Spring, MD 20993, USA Geosciences Department, University of Texas at Dallas...to this work. Academic Editor: Jesus Martinez-Frias Received: 19 January 2016; Accepted: 27 January...materials in mining areas: The case study of Panasqueira Mine (Central Portugal) as an example (Candeias et al...human health of Gorontalo Utara Regency, Gorontalo Province, Indonesia (Arifin et al. [14]). Finally, this...official or as reflecting the views of the U.S. Department of Health and Human Services, the U.S. Food ad |  | | Journal (article/letter/editorial) | | solutions DANIEL E. HARLOV and RICHARD0. SACK Department of Earth and Atmospheric Sciences, Purdue University...Sugaki et al., 1986; Tarkian and Breskovska, 1990; Frias, 1992). The pyrargyrite unit cell is rhombohedral(6...elements and CuzS reacted quickly, melting to a silver-gray, high surface tension fluid which was shaken...four spectrometer Cameca SX-50 microprobe in the Department of Earth and Atmospheric Sciences at Purdue University...Shikazono, 1984; Sugaki et al., 1986a,b; Gemmell, 1986; Frias, 1992). We have inferred that skinnerite displays |  | | Journal (article/letter/editorial) | | solutions DANIEL E. HARLOV and RICHARD0. SACK Department of Earth and Atmospheric Sciences, Purdue University...Sugaki et al., 1986; Tarkian and Breskovska, 1990; Frias, 1992). The pyrargyrite unit cell is rhombohedral(6...elements and CuzS reacted quickly, melting to a silver-gray, high surface tension fluid which was shaken...four spectrometer Cameca SX-50 microprobe in the Department of Earth and Atmospheric Sciences at Purdue University...Shikazono, 1984; Sugaki et al., 1986a,b; Gemmell, 1986; Frias, 1992). We have inferred that skinnerite displays |  | Frias, Sofia Marah P., Imai, Akira, Takahashi, Ryohei, Balangue‐Tarriela, Ma. Ines Rosana, Arcilla, Carlo, Blamey, Nigel (2019) Geology, Alteration, and Mineralization of the Kay Tanda Epithermal Gold Deposit, Lobo, Batangas, Philippines. Resource Geology, 69 (4) 351-384 doi:10.1111/rge.12205 | Journal (article/letter/editorial) | | Deposit, Lobo, Batangas, Philippines Sofia Marah P. FRIAS,1 Akira IMAI,2 Ryohei TAKAHASHI,1 Ma. Ines Rosana...Diliman, 4Philippine Nuclear Research Institute, Department of Science and Technology, Quezon City, Philippines...publication 28 March 2019. Corresponding author: S. M. P. Frias, Graduate School of International Resource Sciences...2019 The Society of Resource Geology 1 S. M. P. Frias et al. interaction of the host rocks and the circulating...three gold districts in the Eastern Mindanao Gold Province, which includes (iv) the Surigao Gold District |  | | Journal (issue) | | Oliver Cummings Farrington, Ph. D. Curator, Department of Geology. Chicago, U. S. A. May, 1902. I...surface mark them as troilite, in contrast to the silver-white color and greater hardness of those composed... Assistant Curator of the Department, in the laboratory of the Department. For this analysis a fragment...hack-saw. a good polish, a polished surface being of silver-white to nickel-white Relative to copper sulphate...of Mining 138 District of 131, Antioquia, Department of 22 District of, 18 138 130 West 141 |  | | Journal (article/letter/editorial) | | nineteenthcenturywasa time of politicalturmoil duringwhich silver(e.g., at Chaffarcillo),copper,andnitratemining...gold mine wasE1 Guanaco,which may have achievedan outputof 2 metric tonsper year. Copperand silver min...severalChileanfindsof metalobjects,amongthem stampedtokens (Frias, 1986, p. 67-70). Inca gold gold, from the period...[] Cities ß Placer ß Fort • Battle gold mine S.onzu.,o. FIG. 3. Locationof the placergolddepositsexploitedin...Spaniards. Andacollo(RegionIV), possiblythe greatestgold mine of the colony, was definitelyoperatingprior to 1575 |  | | Journal (issue) | | Articles Famous mineral localities: The Bristol copper mine, Connecticut......................................in the U.S.A. notesfrom th r EDITORS OLD YUMA MINE Another great mineral locality has now been closed...longfamous Old Yuma mine near Tucson (see R. L. Jones, “Famous mineral localities: the Old Yuma mine,” in vol....period of activity, access to the mine was cut off in 1984. In 1996 the mine area was absorbed into the Saguaro...and Mining Company for the sum of $558,000. The mine is now owned outright by the Federal Government |  | | Journal (article/letter/editorial) | | type. Associated minerals include electrum, native silver, sphalerite, galena, pyrite, marcasite, chalcopyrite...SUGAKIet al., 1986a; TARKIANand BRESKOVSK A, 1990; FRIAS, 1992). Both polybasite and pearceite are pseudo-hexagonal...four spectrometer Cameca SX-50 microprobe in the Department of Earth and Atmospheric Sciences at Purdue University...for natural polybasite-pearceites are taken from FRIAS( 1992), TARKIAN and BRESKOVSKA(1990), YELENet al...sulfosalts and sulfide minerals in the Ross gold mine. Holtyre, Ontario. Canadian xcu FIG;. 5. Calculated |  | | Report (issue) | | UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY MINERAL RESOURCE BIBLIOGRAPHY FOR BOLIVIA...RESOURCE BIBLIOGRAPHY Abbott, A.C., 1929, The silver-tin ores of Oruro, Bolivia: unpublished S.M. thesis...n. 12, p. 79-85. Adams, T.F., 1934, Bolivian tin mine: Colorado School of Mines Magazine, v. 24, n. 5...epochs and provinces of Bolivia; Part 1, The tin province; Part 2, The metallogenic provinces of the Altiplano:...characterization of the eruptives in the subvolcanic province of the Bolivian tin belt: comparative aspects |  | | Report (issue) | | N T I F I C A N D T E C H N I C A L S T A F F SILVER ORES BY Ha B. CRONSHAW, , P h , D . , A.R.S.M....M . PETROLEUM DEPARTMENT AND H . B . CRONSHAW, B.A., PH.D., A.R.S. M. 5 s . net SILVER ORES. B y H ....N T I F I C A N D T E C H N I C A L S T A F F SILVER ORES BY H . B. CRONSHAW, B.A., Ph.D., A.R.S.M....Institute. Captain A . L . ELSWORTHY, Intelligence Department, War Office (nominated by the War Office). *Professor...HUTCHINSON, Esq., O.B.E., M.A., Ph.D., F.G.S., Department of Mineralogy, University of Cambridge. W. W |  | | Journal (article/letter/editorial) | | La Mascota Deposits, Northeastern Cordillera of Colombia* Alfonso L. Rodríguez Madrid,1,2,† Thomas Bissig...of the Santander massif, eastern Cordillera of Colombia and are part of the California-Vetas mining district...epithermal stages. Residual vuggy quartz is scarce. Gold-silver mineralization took place during stages 3 through...7.4° N and 70.9 W in the eastern Cordillera of Colombia represents the northeasternmost Andean epithermal... NE CORDILLERA OF COLOMBIA 349 Fig. 2. Geologic map of the Santander department (modified after Ward |  | Tzamos, Evangelos, Gamaletsos, Platon N., Grieco, Giovanni, Bussolesi, Micol, Xenidis, Anthimos, Zouboulis, Anastasios, Dimitriadis, Dimitrios, Pontikes, Yiannis, Godelitsas, Athanasios (2020) New Insights into the Mineralogy and Geochemistry of Sb Ores from Greece. Minerals, 10 (3) 236 doi:10.3390/min10030236 | Journal (article/letter/editorial) | | and Athanasios Godelitsas 7 1 2 3 4 5 6 7 * Department of Chemistry, Aristotle University of Thessaloniki...Santarosa str., 15-17, 54627 Thessaloniki, Greece Department of Materials Engineering, KU Leuven, Kasteelpark...(P.N.G.); yiannis.pontikes@kuleuven.be (Y.P.) Department of Earth Sciences, Università degli Studi di...Greece; dimitris.dimitriadis@gr.eldoradogold.com Department of Geology and Geoenvironment, National and Kapodistrian...which also hosts a significant amount of Ag (LEAD/SILVER CON. in Figure 1). This is clearly depicted in |  | | Book | | Sulphur Pyrite Marcasite Gold Native Gold Silver Native Silver Proustite Arsenic Orpiment - Realgar . ...Meta-Zeunerite 120 Native Cooper 88 Native Gold .' 62 Native Silver 64 Native Sulphur 58 Novacekite 120 Opal 18 Orpiment...not from a pegmatite but from lime deposits in Colombia which have probably been in contact with granite...(Siberia, USSR): 2 cm. 3 - Beryl/Emerald (Muzo, Colombia): 1 cm. I 22 ft F» Topaz Topaz is primarily...which it was discovered in Badakhshan, an Afghan province situated at the foot of the Pamir Mountains. The |  | Cunningham, C.G., Aparicio N., Hugo, Murillo S., Fernando, Jimenez, Nestor C., Lizeca B., J. L., McKee, E.H., Ericksen, G.E., Franz, Tavera V. (1994) The relationship between the Porco, Bolivia, Ag-Zn-Pb-Sn deposit and the Porco caldera. Open-File Report Vol. 1994 (94-238) US Geological Survey doi:10.3133/ofr94238 | Report (issue) | | U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY The relationship between the Porco, Bolivia,...mineralization. Introduction The Porco Ag-Zn-Pb-Sn mine has had a long history of production beginning in...mined it for silver. Later, during Spanish colonial times, it was a major source of silver. Early in the...del Sur S.A. (COMSUR) produces zinc, lead, and silver. The deposit is currently the largest producer...the world's largest silver deposit (Fig. 1; Cunningham et al., 1991). The Porco mine (Fig. 2) is about |  | | Journal (article/letter/editorial) | | wretchedwanderers,in the shape of "Lcateadores" or mine hllnters,or the far-sightedvulture,soarillg in mid...and even withinview,are to be found the richest silver-mineson the globe, distributing wealth and independenceto...theMiales of.Copiapo. On all side3, almost daily, llew silver-minesare discovered, sometimesunderthe verythresholdof...rare occurrenceto finda " barra"or share of a new mine,(twenty-four of whichcomposethe propertyof a minein...richesttreasuresin quicksilver. The fatneof the silver-nlinesof Copiapois of veryrecentdate. It was only |  | | Journal (issue) | | October 2013 that reportedly came from the Tantara mine in Katanga District. They processed 11 kg of the...was discovered in Bisbee, Arizona, USA (Shattuck mine) as a pseudomorph after malachite (Schaller, 1915)...spectra of bisbeeite from Shangulume, Katanga Province, DRC, which showed features significantly different...tourmaline pebbles (1.73 and 1.75 g) are from a new mine at Maraca, Mozambique, which is situated near the...Kroeker S., 2008. Mushroom elbaite from the Kat Chay mine, Momeik, near Mogok, Myanmar: II. Zoning and crystal |  | Cloutis, Edward A., Hewson, David, Applin, Daniel M., Mann, J.Paul, Mertzman, Stanley A. (2018) Raman and reflectance spectroscopy of serpentinites and related hydrated silicates: Effects of physical properties and observational parameters, and implications for detection and characterization on Mars. Planetary and Space Science, 159. 66-83 doi:10.1016/j.pss.2018.04.016 | Journal (article/letter/editorial) | | a, J.Paul Mann a, Stanley A. Mertzman b a b Department of Geography, University of Winnipeg, 515 Portage...Portage Avenue, Winnipeg, Manitoba, Canada Department of Geosciences, Franklin and Marshall College, P...discriminate minerals * Corresponding author. Department of Geography, University of Winnipeg, 515 Portage...that will be studied (<400 μm; Rull and Martinez-Frias, 2006; Rull et al., 2012). The Raman instrument... chrysotile open pit mine; (2) the Norbestos abandoned chrysotile openpit mine; (3) the Normandie abandoned |  | | Journal (issue) | | focus on stabilizing production at the Peñasquito mine, implementing a solution for the water deficit which...Committed to further exploring in Argentina 17 Province of Salta: Lindero on the starting line 19 Minera...investment opportunities 29 Latin News 31 Colombia: Cerro Matoso must invest US$1.2 billion over...of its platinum assets and the Mina Rios iron ore mine in Brazil. On the cover: A view of Lindero project...greater importance. Any country seeking to attract mine investment will be unable to ignore them. SIGUENOS |  | Wang, Fengxiang, Bagas, Leon, Jiang, Sihong, Zhang, Fuxiang, Liu, Yifei, Chong, Xiaoxiao (2019) Geochronology and ore genesis of the Shuangjianzishan Ag-polymetallic deposit, Inner Mongolia, China. Ore Geology Reviews, 107. 1020-1045 doi:10.1016/j.oregeorev.2019.03.026 | Journal (article/letter/editorial) | | and is China’s largest Ag deposit with a 21,665 t silver reserves. Three types of hydrothermal mineralization...different levels in the underground Shuangjianzishan mine for mineralogical and geochemical studies. Sixteen...9. 5.1.1 Silver occurrence The Shuangjianzishan deposit includes silver-rich minerals, silver-bearing...silver-bearing sulfides and Ag-sulfosalts. The silver grains are commonly associated with the sphalerite and galena...sulfides rimmed by silver, which is indicative of exsolution (Fig. 9). Native silver usually forms fine |  | Tornos, F., Casquet, C., Gonzalez Casado, J.M. (1993) Comment on the paper by A. Concha, R. Oyarzun, R. Lunar, J. Sierra, M. Doblas and J. Lillo: The Hiendelaencina epithermal silver-base metal district, Central Spain: Tectonic and mineralizing processes. Mineralium Deposita, 28 (3) doi:10.1007/bf00204045 | Journal (article/letter/editorial) | | Doblas and J. Lillo: The Hiendelaencina epithermal silver-base metal district, Central Spain: Tectonic and...Lillo, J. (1992) The Hiendelaencina epithermal silver-base metal district, Central Spain: tectonic and...Espafiol). Bol. Geol. Min. 98:680-694 Martinez Frias, J., Oyarzum, R., Mayor, N., Lunar, R., Vindel, |
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