| | Journal (article/letter/editorial) | mining district (Guadalajara, Spain) d. Martinez Frias Instituto Andaluz de Geologia Mediterr~nea, C.S...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...Peinado 1981; Gonzfilez Lodeiro 1981; Martinez Frias 1987. The following pre-Ordovician Formations have...calc-alkaline volcanism (De Vicente et al. 1986; Martinez Frias 1987; Doblas et al. 1988). The calc-alkaline volcanism | | | 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 ...............................................in Oruro ... 26 BY ROBERT B. COOK The Morococala Mine ..................................................JAROSLAV HYRSL AND ALFREDO PETROV Map: Potosi Department ............................................ | | 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) | Universidad Complutense, 28040 Madrid, Spain a Department of Earth Sciences, The University of Leeds, Leeds...stressed in recent works (Doblas et al. 1988; Martinez Frias et al. 1988; Sierra et al. 1988). However, on various... + : Major, - : Minor. Modified after Martinez Frias (1987) Table Ore stages 1 6 J 2 7 f 3 ... 8 4 9 J 5 10 oo ooOO~ Arsenopyrite Pyrite Chalcopyrite Sphalerite Freibergite Pyrrhotite Barite...following vertical zoning is present (Martinez Frias 1987): (1) 0 - 1 0 0 m (oxidation zone): silver | | 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 (article/letter/editorial) | Campus, Silver Spring, MD 20993, USA Geosciences Department, University of Texas at Dallas, 800 W. Campbell...to this work. Academic Editor: Jesus Martinez-Frias Received: 19 January 2016; Accepted: 27 January...dust-sized airborne particles of asbestos, quartz or pyrite, or certain naturally occurring organic compounds...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 | | | Journal (article/letter/editorial) | displaying a simple paragenesis of magnetite, ilmenite, pyrite and pyrrhotite, in association with widespread...(magnetite and ilmenite) and minor sulphides (e.g. pyrite, pyrrhotite, sphalerite). The in-depth study of...handling: P. Herzig J.A. RodrõÂ guez-Losada (&) Department of Geology, University of La Laguna, La Laguna...(Canary Islands), Spain J. MartõÂ nez-FrõÂ as Department of Geology, Museo Nacional de Ciencias Naturales...basalts; 6, Quaternary sediments La Gomera Island pyrite-pyrrhotite assemblages also occur as accessory | | Cabral, A. R., Lehmann, B., Galbiatti, H. F., Rocha Filho, O. G. (2006) Evidence for metre-scale variations in hematite composition within the Palaeoproterozoic Itabira Iron Formation, Minas Gerais, Brazil. Mineralogical Magazine, 70 (5) 591-602 doi:10.1180/0026461067050352 | Journal (article/letter/editorial) | H. F. GALBIATTI3 AND O. G. ROCHA FILHO4 1 Department of Exploration Geology, Rhodes University, PO...consisting in part of quartz pebbles with detrital pyrite, and sericite schist (the Moeda Formation), and...Formation). In the Itabira district, where the Cauê mine is situated, the Caraça Group is lacking and the...B25. Bustillo, M.A., Garcia-Guinea, J., Martinez-Frias, J. and Delgado, A. (1999) Unusual sedimentary geodes...from a palladian gold nugget (Gongo Soco iron ore mine, Minas Gerais, Brazil). Mineralogical Magazine, | | | Journal (article/letter/editorial) | Theoretical growth of framboidal and sunflower pyrite using the R-package frambgrowth Raul Merinero1...sunflowers are the most ubiquitous shapes of sedimentary pyrite. Framboids are spherical aggregates of nanocrystals...the genetic paleo-processes. Keywords Pyrite framboids · Pyrite sunflower · R-package · Redox conditions...Introduction Framboids are a typical shape for pyrite in sedimentary environments (Cavalazzi et al. 2014)...accepted model for the formation of framboidal pyrite Editorial handling: M. A.T.M. Broekmans * Raul | | | 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 $558,000. The mine is now owned outright by the Federal Government | | | Journal (article/letter/editorial) | Processes of the Dongping Gold Deposit, Hebei Province, China ............................D. Wang, J...Liu and F. Zhang Mineralogy and Geochemistry of Pyrite and Arsenopyrite from the Zaozigou Gold Deposit...Luanling Gold Telluride Deposit, Western Henan Province, Central China .................................Batangas, Philippines ..................S.M.P. Frias, A. Imai, R. Takahashi, M.I.R. Balangue-Tarriela | | | Journal (article/letter/editorial) | solutions DANIEL E. HARLOV and RICHARD0. SACK Department of Earth and Atmospheric Sciences, Purdue University...stromeyerite), electrum, native Ag, sphalerite, galena, pyrite, chalcopyrite, arsenopyrite FeAsS, naumannite Ag$e...Sugaki et al., 1986; Tarkian and Breskovska, 1990; Frias, 1992). The pyrargyrite unit cell is rhombohedral(6...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...stromeyerite), electrum, native Ag, sphalerite, galena, pyrite, chalcopyrite, arsenopyrite FeAsS, naumannite Ag$e...Sugaki et al., 1986; Tarkian and Breskovska, 1990; Frias, 1992). The pyrargyrite unit cell is rhombohedral(6...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) | 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...epidote, chlorite, calcite, specularite veins, minor pyrite, and chalcopyrite. Molybdenite from veins collected...alteration (sericite-illite, quartz, pyrite) associated with quartz-pyrite veins and its age is constrained...stage 5 by enargite, and stage 6 by sphalerite. Pyrite, quartz, and alunite are common to all epithermal | | 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...dolomite, sericite, and chlorite), together with pyrite, stibnite, and wolframite. During the period 1930–1950 | | | Journal (article/letter/editorial) | Environment, Analysis Journal Subscriptions Department, Geological Society Publishing House, Unit 7...background concentrations in soils of Carajás mineral province, eastern Amazonian craton, Brazil—Gabriel Negreiros...isotope geochemistry of sedimentary pyrite: Implications on pyrite growth of Caixiashan Pb-Zn deposit—Dengfeng... 200 Ma Yunluheba Pb-Zn deposit in NW Guizhou Province, SW China—Yong-Yong Tang, Xian-Wu Bi, Jia-Xi Zhou...Zhonggu orefield, Ningwu volcanic basin, Anhui Province, China—Weian Sun, Feng Yuan, Simon M. Jowitt, | | | Journal (article/letter/editorial) | García Iglesias Asturias has numerous derelict Hg mine sites as a legacy of a past intensive mining activity...remediation, and the legacy of these mine works remains currently in the form of mine wastes stocked in piles on...quite abundant in the form of sulphides (As-rich pyrite), sulpho-arsenides (arsenopyrite, realgar and orpiment)...minerals (scorodite). Significant quantities of mine and metallurgical wastes stocked at surface in spoil...weathering of As-rich minerals, As contents are high in mine effluents and spoil heap leachates. In the spoil | | | Journal (article/letter/editorial) | Framboidal pyrite in fumaroles on Deception Island (Antarctica): Genetic implications. Pyrite framboids...framboids). Finally, greigite is replaced by pyrite. In this study pyrite was observed forming at 100ºC in less...less than one hour. Key words: Pyrite, Framboids,Fumarole, Deception Island, Antarctica Introducción...Science 265: 773-785. Berner, R.A. 1970. Sedimentary pyrite formation. American Journal of Science 268: 1-23...Love, L.G., 1971. Early diagenetic polyframboidal pyrite, primry and redeposited, from the Wenlockian Denbigh | | | Journal (article/letter/editorial) | sediment contamination; redox transitional zone; metal mine; oxic-anoxic interface; ferrihydrite; sulphide;...traditional approaches to management and remediation of mine water pollution tended to focus on point sources...226 water bodies known to be impacted by non-coal mine water pollution in England and Wales show evidence...(CdS) > Galena (PbS) > copper sulphide (CuS) > pyrite (FeS2)—reflecting the highest to lowest solubility...contamination, as will be discussed further in Section 2.3. Pyrite is reported to be more thermodynamically stable | | | Report (issue) | net PETROLEUM. JOINTLY WITH H . M . PETROLEUM DEPARTMENT AND 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...Ltd.). *J. F. RONCA, Esq., M.B.E , A.R.C.Sc., Department of Industries and Manufactures (nominated by...United States . 8 7 S. America : Bolivia ; Chile ; Colombia ; Peru . 1 2 6 WORLD MAP OF SILVER DEPOSITS . | | | Report (chapter) | Ghent, Belgium 2 Crystallography and Mineralogy Department, Complutense University of Madrid, Avda. Complutense...Madrid, Spain 3 Crystallography and Mineralogy Department, Extremadura University, Avda. de Elvas s/n,... 06071 Badajoz, Spain 4 Geology Department, Oviedo University, C/ Jesús Arias de Velasco s/n, 33005...33005 Oviedo, Asturias, Spain 5 Department of Geological Sciences, Stockholm University, SE-10691 Stockholm...framboidal and euhedral microscopic crystals of pyrite (micropyrites, MPy) have been used for the last | | Ruano, S. M., Rosua, F. J. C., Hach-Ali, P. F., De La Fuente Chacon, F., Lopez, E. C. (2000) EPITHERMAL Cu-Au MINERALIZATION IN THE PALAI-ISLICA DEPOSIT, ALMERIA, SOUTHEASTERN SPAIN: FLUID-INCLUSION EVIDENCE FOR MIXING OF FLUIDS AS A GUIDE TO GOLD MINERALIZATION. The Canadian Mineralogist, 38 (3) 553-565 doi:10.2113/gscanmin.38.3.553 | Journal (article/letter/editorial) | Andaluz de Ciencias de la Tierra (C.S.I.C.–UGR) and Department of Mineralogy and Petrology, University of Granada...Mineralization, consisting of quartz with sulfides (pyrite ± chalcopyrite ± other minor sulfides and native...manifeste par la formation de quartz avec sulfures (pyrite ± chalcopyrite ± autres sulfures accessoires et...the region is presently increasing. An open-pit mine has recently been inaugurated at Herrerías [Ba–Ag–(Fe–Mn)];...the Palai–Islica deposit, at Carboneras in the Province of Almería, exploration activity of the Serrata | | Hao, Xiluo, Leung, Kwunlun, Wang, Rucheng, Sun, Weidong, Li, Yiliang (2010) The geomicrobiology of bauxite deposits. Geoscience Frontiers, 1 (1) 81-89 doi:10.1016/j.gsf.2010.06.001 | Journal (article/letter/editorial) | Academy of Sciences, Guangzhou 510640, China b Department of Earth Sciences, The University of Hong Kong...such as gibbsite, kaolinite, covellite, galena, pyrite, zircon, calcium plagioclase, orthoclase, and albite...et al., 2009). As an example, bauxite in Henan Province of China of sedimentary genesis, is a single-layered...minor amounts, including galena, covellite, zircon, pyrite, calcium plagioclase, orthoclase and albite. Because... The bauxite deposited at Maochang of Guizhou Province (Zhou, 2007) was examined using a field emission | | | Journal (article/letter/editorial) | a private company opened a new mine). Presently, the Las Herrerias mine is the main baryte± Ag open pit...the surface (this is the bottom level of the old mine shafts). This stockwork cuts through the Permian±Triassic...siderite, chalcopyrite and pyrite. In addition, the VA is the only place where pyrite framboids are found in...stibnite±cinnabar hydrothermal assemblage (Martinez-Frias et al., 1997). Vein-related hydrothermal alteration...volatilization of metallic Hg contained in the deposits of mine wastes, and in the weathered overburden of the deposit | | | Book | there are many people who, on seeing a crystal of pyrite or quartz, can scarcely believe that it is the...rhombododecahedrons, or solids with twelve rhomboid faces (pyrite), and sometimes pyramidal cubes (native copper)...Artinite - Hydro magnesite Sulphur Native Sulphur Pyrite Marcasite Gold Native Gold Silver Native Silver...Orpiment 66 Plancheite 100 Prehnite 44 Pronsite 64 Pyrite 60 Pyromorphite 78 Quartz and its varieties . 16...not from a pegmatite but from lime deposits in Colombia which have probably been in contact with granite | | | Journal (article/letter/editorial) | physiological and chemical conditions under which 1 Department of Earth and Environmental Sciences University...simple biofi lm community inhabiting an extreme acid mine drainage environment (Tyson et al. 2004). This pioneering...insights into the microbially mediated dissolution of pyrite. Another early metagenomics study of seawater uncovered...expressed in the environment (Ram et al. 2005; Frias-Lopez et al. 2008) and indispensable to the organism...oxidation by oxygenic bacteria. Nature 464: 543-548 Frias-Lopez J and 6 coauthors (2008) Microbial community |
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