 | | 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 |  | | Report (issue) | | No. 12: Bolivia ht of Mineral Collecting N 978-0-9790998-5-4 Publisher Lithographie, LLC Denver, Colorado...specimen 'being sold with the shrine when he was in Bolivia buying mineral specimens in the 1970s. He took...(presumably without the shrine) to a European in La Paz, Bolivui. Rolf Wein bought the specimen on July...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 |  | | Report (volume) | | Cordillera Occidental, Bolivia By U.S. GEOLOGICAL SURVEY and SERVICIO GEOLOGICO DE BOLIVIA With a section on...Cordillera Occidental, Bolivia I by U.S. Geological Survey and Servicio Geol6gico de Bolivia; with a section...mineral resources-Bolivia-Cordillera Occidental. 3. Geology-Altiplano. 4. Geology-Bolivia-Cordillera Occidental...Geological Survey (U.S.) II. Servicio Geol6gico de Bolivia. Ill. Series. QE75.B9 no. 1975 [TN39.A4] 557.3s--dc20...cooperation between the Servicio Geologico de Bolivia and the U.S. Geological Survey. The geologic research |  | | Journal (article/letter/editorial) | | calcite, diopside and chalcopyrite (Wright, 1915). 2Hr U.S.N.M.96611\ Santa Niio Mine, Patagonia Mts., 2Ht...vein quartz with py,ite" (Galbraith, 1947). Chalcopyrite is found in massive ore (Kirkemo et al.. 1965...Kenawyer Mine, King's River Catryon, Fresno Co., Calif. 2Ht Molybdenite occurs with chalcopyrite in quartz...region. Tbis specimen is probabiy from the Alpine Mine, south of Lake Tahoe, where molybdenite occurs together...wolframite, topaz, cassiterite, monazite, pyrite and chalcopyrite (Killefer and Linz, 1952, p. 5). OCCURRLNCD |  | | Journal (article/letter/editorial) | | deposits of thisrangeintoa singlemetallogenic province,in spite of the occurrenceof distinct cassiteriteand...range and some newly developedoccurrenceseast of La Paz, that is, depositsin the granitic areas and in...mineralization in the eastern cordillera of Bolivia is established beyondquestion. As examplesof...on the easternslopesof the Andean range east of La Paz, on the flanks of the Cerro Loroqueri. The upper...lower slopesconsist of Paleozoic slates. The Carmen mine is situated on the eastern side of the Cerro Loroqueri |  | | Journal (article/letter/editorial) | | silicicto basic,but in the oresas well. For example,at La Joya (Fig. •), enargite-tennantite veinsoccurwith...•lntimony I?ei•zs.--Most of the antimonydepositsof Bolivia belongto this group. They havebeenformedat depthsranging...quartz with stibnitecrystals. A vein at the Tarumita mine near Caracollo north of Oruro contains smallpocketsof...niccolite and gersdorffite,in someplaceswith chalcopyrite,form small pocketsin sideriteand barite veins...--Veins of quartz,calciteand sideritecontaining chalcopyrite and tetrahedrite,are scatteredthroughoutthe |  | | Book | | 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) | | The magmatic–hydrothermal evolution of the San Pedro porphyry Cu-(Mo) deposit: Implications for the metallogenesis...Alicia Rubinstein1 1 Laboratorio de Metalogénesis Andina, Instituto de Geociencias Básicas, Aplicadas y...Lina Rosina Gómez, Laboratorio de Metalogénesis Andina, Instituto de Geociencias Básicas, Aplicadas y...Number: UBACyT 20020090100182 Abstract The San Pedro porphyry Cu-(Mo) deposit, located in the San Rafael...reveal that the intrusive rocks related to the San Pedro porphyry (263 Ma) show comparable trace element |  | | Journal (article/letter/editorial) | | in the north, through the Don Luis mine, to the Sur Sur mine, La Americana and Los Sulfatos in the south...Corporación Nacional del Cobre de Chile, Divisíon Andina, Sta. Teresa 513, Los Andes, Chile M. Fanning Research...Sur Sur operations of the Andina Division of CODELCO and the Los Bronces mine of Anglo American p.l.c....high-grade drill intersections in, respectively, La Americana and Los Sulfatos sectors at the southern...intrusion and Cu–Mo mineralisation in all three Andina mining sectors. In this second-stage study, the |  | | Journal (issue) | | Cd-bearing phosphate mineral from the Gold Quarry mine, Eureka County, Nevada . . . . . . . . . . . . ...crystal cluster, 7.3 cm, from near Bapu, Guangdong Province, China. Rob Lavinsky specimen, now in the Tom...recovered from the dumps of this small mine. Local collectors reworked the mine dumps many times in search of...about 325 meters southwest of the Bishop manganese mine. The locality was early on referred to as a “copper...spatially distinct from the nearby Bishop manganese mine. The dumps do not contain significant manganese |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . . 26 Bolivia . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . 29 Bolivia . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . 33 Bolivia . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . 35 Bolivia . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . 38 Bolivia . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | main responsibilities for structural geologists and mine engineers. For that purpose, our study presents... it is possible to improve structural models at mine scale, focusing on geotechnical design and management...[5]. This is the main challenge for geological and mine engineers in current mining and requires considering...fault attributes in the 3-D space using geochemical mine data. Arsenic (As) is an environmental polluting...product; and (iii) a possible generation of acid mine drainage, as well as high-contaminant passive and |  | | Journal (article/letter/editorial) | | Cenozoic ore deposits in the Chilean Andes between La Serena (30S) and Santiago (34S) include polymetallic...Cordillera, in particular Peru, northern Chile, and Bolivia, whose genesis is intimately related to the magma...deposits, which typify the eastern Cordillera in Bolivia and southern Peru, are uncommon between 30 and...Teniente and Rio Blanco-Los Bronces (also known as Andina) porphyry copper-molybdenum deposits (Skewes and...are less than 0.1% (2r) (see Appendix). Cpy Chalcopyrite Map no. Sample no. Manto deposits Volcanic |  | | Journal (article/letter/editorial) | | com/journal/minerals Review Evolution of Acid Mine Drainage Formation in Sulphidic Mine Tailings Bernhard Dold SUMIRCO...Research & Consult EIRL), Casilla 28, San Pedro de la Paz 4130000, Chile; E-Mail: bernhard.dold@gmail...Sulphidic mine tailings are among the largest mining wastes on Earth and are prone to produce acid mine drainage...Keywords: mining; metal; tailings; oxidation; acid mine drainage; waste management; pollution; solubility;...sustainability Minerals 2014, 4 622 1. Introduction Mine tailings are among the largest mining wastes on |  | | Journal (article/letter/editorial) | | November 2014 1. A fine 10.2-cm pale pin the Aurora mine, Charcas, S en, Jeff Scovil photo. crystal group...“apophyllite,” stilbite, bakerite, calcite, chalcopyrite, sphalerite, and quartz, some of which is citrine...including the San Sabastian, the Rex and Reina, the La Aurora, and the San Bartolo. Other Mexican localities...occurrences in Baja California, such as the La Verde mine near La Huerta (large crystals to 11 cm long and...stilbite) and the Chuqui mine at Rosa de Castilla (crystals to 3 cm); the La Sirena orebody at Zimaph |  | Crespo, Jorge, Reich, Martin, Barra, Fernando, Verdugo, Juan José, Martínez, Claudio, Leisen, Mathieu, Romero, Rurik, Morata, Diego, Marquardt, Carlos (2020) Occurrence and Distribution of Silver in the World-Class Río Blanco Porphyry Cu-Mo Deposit, Central Chile. Economic Geology, 115 (8). 1619-1644 doi:10.5382/econgeo.4778 | Journal (article/letter/editorial) | | Chile, Santiago 8370450, Chile 3CODELCO, División Andina, Avenida Santa Teresa, No. 513 Los Andes, V Región...of the alteration types and ore paragenesis. Chalcopyrite is the most abundant Cu sulfide in Río Blanco...million. The highest concentration of Ag in chalcopyrite is associated with the high-temperature potassic...alteration stage. Bornite is less abundant than chalcopyrite but has the highest Ag concentration of all...sericite), opposite to the behavior of Ag in chalcopyrite. Pyrite has the lowest Ag content, although |  | Crespo, Jorge, Reich, Martin, Barra, Fernando, Verdugo, Juan, Martínez, Claudio (2018) Critical Metal Particles in Copper Sulfides from the Supergiant Río Blanco Porphyry Cu–Mo Deposit, Chile. Minerals, 8 (11) 519 doi:10.3390/min8110519 | Journal (article/letter/editorial) | | Chile, Santiago 8370450, Chile Codelco División Andina, Avenida Santa Teresa, N◦ 513 Los Andes, V Región...electron microscope (FESEM) observations of chalcopyrite and bornite from the potassic alteration zone...preferentially incorporated into bornite and chalcopyrite within potassic alteration zones, with concentrations...concentrations reaching ~2–4 ppm in chalcopyrite and ~80–364 ppm in bornite [7,25]. Silver, on the other...to hundreds or thousands of ppm in bornite, chalcopyrite, and chalcocite in porphyry-type deposits in |  | Zentilli, Marcos, Munizaga, Francisco, Graves, Milton C., Boric, Ricardo, Wilson, Nicholas S. F., Mukhopadhyay, Prasanta K., Snowdon, Lloyd R. (1997) Hydrocarbon Involvement in the Genesis of Ore Deposits: An Example in Cretaceous Stratabound (Manto-Type) Copper Deposits of Central Chile. International Geology Review, 39 (1) 1-21 doi:10.1080/00206819709465257 | Journal (article/letter/editorial) | | precipitation. Copper sulfides (bornite, chalcocite, chalcopyrite) filled spaces among bitumen, carbonate, and...Miocene Corocoro stratabound copper deposits in Bolivia was pointed out by Singewald and Berry (1922)....currently are being naturally concentrated, near La Piadosa, 3 r d Region, Chile. In relatively older...documented by Ulriksen (1970) in the Uchumi copper mine in the Elqui region. Bitumen was recognized in 1985...important Chaharcillo Ag district and the producing La Coipa Au/Ag deposit in the Maricunga district. Until |  | Deckart, K., Clark, A. H., Celso, A. A., Ricardo, V. R., Bertens, A. N., Mortensen, J. K., Fanning, M. (2005) Magmatic and Hydrothermal Chronology of the Giant Rio Blanco Porphyry Copper Deposit, Central Chile: Implications of an Integrated U-Pb and 40Ar/39Ar Database. Economic Geology, 100 (5) 905-934 doi:10.2113/gsecongeo.100.5.905 | Journal (article/letter/editorial) | | Corporación Nacional del Cobre de Chile, División Andina, Sta. Teresa 513, Los Andes, Chile ALFREDO BERTENS...including the 11.96 ± 0.40 Ma Río Blanco granodiorite (mine terminology), the 8.40 ± 0.23 Ma Cascada granodiorite...Hydrothermal sericites (muscovite), one associated with chalcopyrite, yielded spot-fusion ages of 4.40 ± 0.15 Ma...Operated since 1971 by the Andina Division of CODELCOChile, the Río Blanco mine incorporates the central...northwesterly third of which is exploited by the Los Bronces mine of Compañía Minera Disputada de Las Condes, since |  | Romano, P., Blázquez, M.L., Ballester, A., González, F., Alguacil, F.J. (2001) Reactivity of a molybdenite concentrate against chemical or bacterial attack. Minerals Engineering, 14 (9). 987-996 doi:10.1016/s0892-6875(01)00106-6 | Journal (article/letter/editorial) | | Universitaria, Universidad Carlos III de Madrid, Avda. de la Universidad 30, 28911 Leganrs, Madrid, Spain § Departamento...the concentrate or selectively dissolve the chalcopyrite presents in the concentrate. Mesophilic and...moderate thermophilic microorganisms attack the chalcopyrite only partially; nevertheless, the use of extreme...extreme thermophilic bacteria allows the chalcopyrite to be dissolved selectively, giving rise to a practicaUy...concentrate comes from the Rio Blanco deposits, Andina concentration plant (CODELCO, Chile). As regards |  | Frikken, P. H., Cooke, D. R., Walshe, J. L., Archibald, D., Skarmeta, J., Serrano, L., Vargas, R. (2005) Mineralogical and Isotopic Zonation in the Sur-Sur Tourmaline Breccia, Rio Blanco-Los Bronces Cu-Mo Deposit, Chile: Implications for Ore Genesis. Economic Geology, 100 (5) 935-961 doi:10.2113/gsecongeo.100.5.935 | Journal (article/letter/editorial) | | SERRANO, AND RICARDO VARGAS CODELCO-Chile, Division Andina, Saladillo, Chile Abstract The Sur-Sur tourmaline...been overgrown and in some cases replaced by chalcopyrite, magnetite, pyrite, and quartz. Mineralogical...(Sur-Sur) sectors are being mined currently by CODELCO (Andina Division), whereas the northwestern part of the...an Anglo American mining operation (Fig. 1). The Andina mining operation exploits two styles of mineralized...breccia cements from the Río Blanco, Sur-Sur, and La Americana sectors were reported by Kusakabe et al |  | | Book | | Island, Chocó Arc, Sierra Nevada de Santa Marta, La Macarena, and the Guiana Shield: remote regions studied...E.) Geochemical Journal v. 15 p. 141–161. 2000 – La Macarena, Massagno, Switzerland (self-published)...(self-published), 111 p. Biographies Augusto Gansser (2000) La moglie di un geólogo, 2nd edn Massagno, Switzerland...the basis for the self-published biographical work “La moglie di un geologo: Augusto Gansser.” Acknowledgments...����������������������������������������� 97 Pedro A. Restrepo-Pace and Fabio Cediel Part II The Guiana |  | García, M., Maksaev, V., Townley, B., Dilles, J. (2017) Metallogeny, structural evolution, post-mineral cover distribution and exploration in concealed areas of the northern Chilean Andes. Ore Geology Reviews, 86. 652-672 doi:10.1016/j.oregeorev.2017.01.025 | Journal (article/letter/editorial) | | known, allowing better criteria for decisions on mine concession acquisitions, plan geophysical and geochemical...belt is wider, up to 400 km, extends along Peru, Bolivia, Chile and Argentina, and contains a variety of...southernmost vein deposits (El Chino, Sapte, La Hedionda San Pedro and Quebrada Guacesiña) include Ag(Pb-Zn)...porphyry-Cu prospects (La Mancha and Camarones) occur in this belt (Fig. 8; Table 2). The La Mancha (or Palmani)...of 51 Ma has been preliminarily mentioned for the La Mancha prospect (Sillitoe and Perelló, 2005). The |  | Masterman, G. J., Cooke, D. R., Berry, R. F., Clark, A. H., Archibald, D. A., Mathur, R., Walshe, J. L., Duran, M. (2004) 40Ar/39Ar and Re-Os Geochronology of Porphyry Copper-Molybdenum Deposits and Related Copper-Silver Veins in the Collahuasi District, Northern Chile. Economic Geology, 99 (4) 673-690 doi:10.2113/gsecongeo.99.4.673 | Journal (article/letter/editorial) | | DURÁN Compañia Minera Doña Inés de Collahuasi SCM, Pedro Lagos 1090, Iquique, Chile Abstract The Rosario...mineralization. Similar massive sulfide veins occur in the La Grande area, 1 to 2 km south of Rosario. Copper ore...age of 32.7 ± 1.6 Ma for hypogene alunite from the La Grande Cu-Ag-(Au) vein south of Rosario is indistinguishable...formed by 34.3 Ma. The age of alunite at Rosario and La Grande indicate that a second discrete episode of...interval of 0.5 ± 0.4 m.y. The biotite granite at La Profunda, 1.5 km east of Ujina, has a igneous biotite |  | | Journal (article/letter/editorial) | | telluride) have been found as inclusions in chalcopyrite. Pd and Pt are present in concentrations above...(Table 1). Most samples carry high contents of chalcopyrite and pyrite. In larger or smaller Platinum-group...1 Chuquicamata; 2 La Escondida; 3 E1 Salvador; 4 Andina; 5 E1 Teniente (Chile); 6 La Granja (Peru); 7...Deposit/sample CHILE Chuquicamata* La Escondida* E1 Salvador* Andina* E1 Teniente* PERU La Granja* ARGENTINA Alumbrera*...CHILE: Chuquicamata La E s c o n d i d a g:gg:;:vm ~TTTTTT~ N El Salvador Andina 167 NN N~N El Teniente |
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