 | | Report (issue) | | thumbnail-size azurite specimen fromthe Christianamine, Laurium, Attika, Greece, which I acquired at the...Greece generallyand from the ancient Lauriumdistrict especially. Some of Christos’s Laurium azurite...from the verysmall 2017 find in the Christianamine which yielded the specimens seen in Munich later...harm either:Azurite, 4.2 cm, from the Christianamine, Laurium,Attika, Greece. Greekrocks specimen and...========Azurite, 1.8 cm, from the Christianamine, Laurium,Attika, Greece. Greekrocks specimen and |  | | Journal (article/letter/editorial) | | FARALLÓN NEGRO COMPLEX,PROVINCE OF CATAMARCA The Farallón Negro volcanic complex,province of Catamarca is formed...deposits (Fig.1-6). The Capillitasdistrict The Capillitasdistrict comprises numerous epithermal, high...conspicuous minerals are chalcopyrite, sphalerite,pyrite, marcasite, tetrahedrite-tennantite, bornite, enargite...in quartz, accompanied sometimes by hübnerite,pyrite, chalcopyrite, Biand Sn bearing minerals. Six stages...rhodochrosite, kutnohorite, calcite, with very minorpyrite, sphalerite, chalcopyrite, galena, tennantite, |  | Kojima, Shoji, San Martín, María Constanza, Nagase, Toshiro, Nakashima, Daisuke, Bisso, Claudio, Menzies, Andrew (2021) Distribution of gold and silver and its relation with hypogene ore minerals in the Esperanza porphyry deposit, Antofagasta Region, Chile.Resource Geology, 71 (1). 80-90doi:10.1111/rge.12250 | Journal (article/letter/editorial) | | Region, ChileShoji Kojima1|María ConstanzaSan Martín1Daisuke Nakashima3 || Toshiro Nagase2...Email: skojima@ucn.clFunding informationEsperanzamine geologistsAbstractModes of occurrence of Au-...K-feldspar, and magnetite (Bisso et al., 2009;San Martín, 2016; Magna, 2017). The anhydrite layerexhibits...plagioclase, quartz, biotite, and hornblende (SanMartín, 2016). A dark brown hydrothermal breccias unit... chalcopyrite, andtrace amounts of bornite (San Martín, 2016).Principal hydrothermal alteration is |  | Alfonso, Pura, Anticoi, Hernan, Yubero, Teresa, Bascompta, Marc, Henao, Laura, Garcia-Valles, Maite, Palacios, Silvia, Yáñez, Juan (2019) The Importance of Mineralogical Knowledge in the Sustainability of Artisanal Gold Mining: A Mid-South Peru Case.Minerals, 9 (6) 345doi:10.3390/min9060345 | Journal (article/letter/editorial) | | Sustainability of Artisanal Gold Mining: AMid-SouthPeru CasePura Alfonso 1, * , Hernan Anticoi 1 , Teresa...mining areas of the Nazca-Ocoñagold belt, Mid-SouthPeru, were investigated to assess the efficiency of gold...gold occurs as micrometric grains encapsulated inpyrite and in minor amountsin other sulfides and quartz...quartz. Electrum is found mainly in fractures ofpyrite and attains up to 35 wt.% Ag. In addition to these...gold tellurides also occur and they are abundant inSan Luis.Gold processing is carried out by amalgamation |  | | Journal (article/letter/editorial) | | and water contamination in surrounding areas. Inminewastes, molybdenum is liberated from sulfide mineral...Mo-metabolising bacteria have been isolated frommine wastes. However, laboratory and in-situexperiments...may be involved in the cycling of Mo in and frommine wastes, with goodpotential for bioremediation....remediation actions.Keywords: molybdenum; mining;mine waste; tailings; molybdenite; molybdate; powellite...porphyry and other types of Cu-bearing ores [1]. Globalmine production ofMo is on the order of just over 200 |  | | Journal (article/letter/editorial) | | Cu-Au skarndeposits of the Santa María de la Pazdistrict (Sierra del Fraile, Mexico)Siegfried Siesgesmund...Cu-Au skarn deposits of the Santa María de la Pazdistrict (Sierra del Fraile, Mexico), Ore Geology Reviews...Cu-Auskarn deposits of the Santa María de la Pazdistrict (Sierra delFraile, Mexico)Siegfried Siesgesmund1...Geología, Universidad Autónoma deSan Luis Potosí, Av. Manuel Nava 5,78240San Luis Potosí, Mexico3División...Tecnológica (IPICyT), Camino a la PresaSan José 2055, Lomas 4° Sección, 78216SanLuis Potosí, Mexico4 Department |  | | Book | | Continental Sub-PlateChocó ArcCaribbean Large IgneousProvinceCentral Tectonic Realmcirca, approximatelycentimeter...the north, the Caribbean terranes (CAT), includingSan Jacinto (SJ)and Sinú (SN).1.3Pacific Terranes...terrane.1.4Caribbean Terranes (San Jacinto, Sinú)TheSan Jacinto terrane includes a thick pile...similar volcanicprovince.The Sinú terrane is located outboard ofSan Jacinto and, as withSan Jacinto,contains...are Oligocene in age (as opposed to Paleocene inSan Jacinto).1.4.1Guajira-Falcón Terranes (GU-FA) |  | Canet, Carles; González-Partida, Eduardo; Camprubí, Antoni; Castro-Mora, Jesús; Romero, Francisco Martín; Prol-Ledesma, Rosa María; Linares, Carlos; Romero-Guadarrama, Juan A.; Sánchez-Vargas, Lilia I. (2011) The Zn–Pb–Ag skarns of Zacatepec, Northeastern Oaxaca, Mexico: A study of mineral assemblages and ore-forming fluids.Ore Geology Reviews, 39 (4).doi:10.1016/j.oregeorev.2011.03.007 | Journal (article/letter/editorial) | | Antoni Camprubí c, Jesús Castro-Mora d,e,FranciscoMartín Romero c, Rosa María Prol-Ledesma a, Carlos Linares...silicified, and ore minerals(sphalerite, galena,pyrite, chalcopyrite and minor scheelite) and chamosite...(Ayüükj'ä'äy in their ownlanguage), the so-called MixeDistrict, an area where mining has notenjoyed a long tradition...(a) Niño Perdido skarns (main occurrence), and (b)San Pedro mines (minor outcrops). After SGM (2000)....located in the Sierra Madre del Surphysiographicprovince, a region dominated by rugged mountainranges |  | | Journal (article/letter/editorial) | | are generallydominated by quartz ± “sericite” ±pyrite, and may be carbonate-rich. The hypogene mineralogy...in Mexico is normally dominated by sulfides likepyrite, galena, sphalerite and whereas gold normally occurs...this region (Fig. 2) are La Herradura, El Chanate,SanFrancisco-Llano, Soledad-Dipolos, Noche Buena, La...1988) or Gold Deposits from the Sonoran DesertProvince (Pérez-Segura, 1993); nevertheless, previous names...dissected by thecurrent extensional Basin and Rangeprovince, and originated in theactive North American |  | | Report (issue) | | . . 233R.S. Molina-Garza and A. Iriondo8. TheSan Marcos fault: A Jurassic multireactivated basement...Bigot-Cormier, A. Chabert, and J. Bourgois10. The Taxco–San Miguel de Allende fault system and the Trans-Mexican...North American plate margin in México. It is thisprovince that is the subject of the paper by Ferrariet...for the first time, a comprehensive view of theprovince, including its structuraland stratigraphic characteristics...of the magmatic and tectonic evolution of theprovince as well as adiscussion of the age-old debate |  | Echavarria, L., Nelson, E., Humphrey, J., Chavez, J., Escobedo, L., Iriondo, A. (2006) Geologic Evolution of the Caylloma Epithermal Vein District, Southern Peru.Economic Geology, 101 (4) 843-863doi:10.2113/gsecongeo.101.4.843 | Journal (article/letter/editorial) | | Geologic Evolution of the Caylloma Epithermal VeinDistrict, Southern PerúLEANDRO ECHAVARRIA,* ERIC NELSON...Carmen N°180, El Vivero de Monterrico, Surco-Lima,PeruAND ALEX IRIONDO**Department of Geological Sciences...silver- and base metal-rich Caylloma epithermaldistrict in the Tertiary volcanic belt of southern Perú...include quartz, calcite, rhodonite, rhodochrosite,pyrite andminor adularia, illite, barite, and helvite...precipitation: (1) early sugary quartz, chalcedony,pyrite; (2) manganese minerals; (3) quartz + sulfides; |  | Márquez-Zavalía, M. F., Bindi, L., Márquez, M., Menchetti, S. (2008) Se-bearing polybasite-Tac from the Martha mine, Macizo del Deseado, Santa Cruz, Argentina.Mineralogy and Petrology, 94 (1) 145-150doi:10.1007/s00710-008-0001-x | Journal (article/letter/editorial) | | COMMUNICATIONSe-bearing polybasite-Tac from the Marthamine,Macizo del Deseado, Santa Cruz, ArgentinaM. F...tetrahedrite, electrum andquartz at the Marthamine, an epithermal silver–golddeposit located adjacent...adjacent to the Deseado Massif, Santa Cruzprovince, Argentina. Three samples, with variable chemicalcomposition...CRICYT, CONICET,Av. Ruiz Leal s/n, Parque Gral.San Martín (5500),Mendoza, Argentinae-mail: mzavalia@lab...De Lamarmine, Idaho, USA. 146During a mineralogical study of samples from Marthamine, Santa Cruz |  | | Journal (article/letter/editorial) | | an epithermal-type deposit located in Catamarcaprovince of NW Argentina. Six separate stages of mineralization...in quartz, generally accompanied by hübnerite,pyrite, chalcopyrite, and Bi- and Sn-bearing minerals...northwestern edge ofthe Capillitas Range in Catamarcaprovince of northwestern Argentina. It isan epithermal-type...episodes. These six stages include: (I) dominantpyrite,quartz and alunite; (II) the major phases dominated...by pyrrhotite, arsenopyrite and marcasite, withpyrite, galena and sphalerite, are accompanied byquartz |  | | Journal (article/letter/editorial) | | referred mainly to fossils, formed by calcite andpyrite, it also included pseudomorphs in the “mineral...a primary mineral alsodiscovered, and later theSan Guillermo vein, which,exists, but it is much rarer...FresnilloandSan Juan de Rayas in Guanajuato (Mexico) andhas become the richest silvermine in the world...theserecentSan Carlosmines had ceasedvein. TheSan Juanproduction by thede Rayasmine intime of...very cityIn Morocco, theof OberschlemaBou Azzermine,itself, which finallyalready veryhad to be relocated |  | San Martín, Francisca, Valles, Ignacio, Kracht, Willy, Vargas, Tomás, Aguilar, Claudio (2021) Biodepression of Copper-Activated Pyrite with Acidithiobacillus ferrooxidans in Flotation with Fresh and Seawater.Minerals, 11 (10) 1039doi:10.3390/min11101039 | Journal (article/letter/editorial) | | mineralsArticleBiodepression of Copper-ActivatedPyrite withAcidithiobacillus ferrooxidans in Flotation...Flotation with Freshand SeawaterFranciscaSan Martín 1, * , Ignacio Valles 1 , Willy Kracht 2,3 , Tomás Vargas...11234*Citation:San Martín, F.; Valles, I.;Kracht, W.; Vargas, T.; Aguilar...Aguilar, C.Biodepression of Copper-ActivatedPyrite with Acidithiobacillusferrooxidans in Flotation with...ferrooxidans has been shown to be a good depressant ofpyrite in freshwaterand seawater flotation. However, |  | | Journal (article/letter/editorial) | | high concentrations of Co (up to 34,400 mg/L inmine water, 14,165 mg/kg in tailings, 21,134 mg/kgin...have been documented. Co is contained in ore andmine waste in a wide variety of primary (e.g., cobaltite...Hudson-Edwards, K.A. Geochemistry,Keywords: cobalt;mine waste; tailings; erythrite; heterogenite; biogeochemistry...mobility within tailings, soils, smelterwaste, andmine waters [10–12]. This paper will review the geochemistry...the major controls onCo uptake and mobility inmine-affected waters, soils, sediments, plants, minerals |  | | Journal (article/letter/editorial) | | Acidithiobacillus ferrooxidans toPyrite in Fresh andSaline WaterFranciscaSan Martín * and Claudio AguilarDepartment...the streaming potential of A. ferrooxidans andpyrite was measuredin two environments: fresh and saline...Also, attachment kinetics of A. ferrooxidans topyrite was studied in fresh and saline water at pH 4....The results show that A. ferrooxidans andpyrite had lower streaming potentials (comparing absolute...the bacteria had a higher level of attachmenttopyrite in fresh water than in saline water. The high ionic |  | | Journal (article/letter/editorial) | | Spokoininsky Cluster of the Aldan–Stanovoy GoldProvince Larisa A. Kondratieva * , Galina S. Anisimova...new promising target of the Aldan–Stanovoy goldprovince—the Spokoininsky cluster—is considered. Gold mineralization...metamorphic basement rocks. Vein-disseminated sulfide–(pyrite)–quartz ores build up deposit-like bodies in beresites...Spokoininsky cluster; the Aldan-Stanovoy goldprovince; the Aldan shield Citation: Kondratieva, L.A...promising ore target of the Aldan-Stanovoy goldprovince (ASGP), identified during prospecting in 2020 |  | | Catalog/List | | 10:00 AM – 5:00 PM CTHeritage Auctions DesignDistrict Annex1518 Slocum Street • Dallas, TX 75207Session...5:00 PM ETLOT VIEWINGHeritage Auctions DesignDistrict Annex1518 Slocum Street • Dallas, TX 75207Thursday...grow.73001 TOURMALINEMomeik Township, KyaukmeDistrict, Shan State, Myanmar (Burma)Looking almost like...com/6150 73002 TOURMALINEMomeik Township, KyaukmeDistrict, Shan State, Myanmar (Burma)For those that have...75073003 TOURMALINEMomeik Township, KyaukmeDistrict, Shan State, Myanmar (Burma)As if Momeik doesn’t |  | | Catalog/List | | and Mail)Heritage Auction Galleries DesignDistrict Annex1518 Slocum St. • Dallas, Texas 75207Thursday...Oak Lawn Ave. #606 • Dallas, Texas 75207DesignDistrict Annex • 1518 Slocum Street • Dallas, Texas 75207...Heritage Natural History Annex2. Heritage DesignDistrict Annex17094 Natural History SpecialistSteve...REPLACED LAUMONITEBombay Quarry, MumbaiDistrict (BombayDistrict), Maharashtra, IndiaA large aggregate... 41008 HUGE FLUORESCENT SPHEREPurple PassionMine, Wichenburg, ArizonaMany mineral specimens are |  | Sánchez-España, Javier, Ilin, Andrey M., Yusta, Iñaki, van der Graaf, Charlotte M., Sánchez-Andrea, Irene (2023) Fe(III) Biomineralization in the Surface Microlayer of Acid Mine Waters Catalyzed by Neustonic Fe(II)-Oxidizing Microorganisms.Minerals, 13 (4) 508doi:10.3390/min13040508 | Journal (article/letter/editorial) | | Biomineralization in the Surface Microlayer of AcidMine Waters Catalyzed by Neustonic Fe(II)-Oxidizing Microorganisms...Biomineralization in the Surface Microlayer of AcidMine Waters Catalyzed by Neustonic Fe(II)-Oxidizing Microorganisms...water surface of lowflow or stagnant zones of acidmine drainage (AMD)-affected streams is probably among...samples found in differentmine sites of the IberianPyrite Belt miningdistrict (SW Spain), and the major...floating mineral films found in stagnant acidicmine waters represent hotspots of biosphere/hydrosphere/atmosphere |  | | Journal (article/letter/editorial) | | GRANITIC PEGMATITES FROM THE PAMPEANPEGMATITEPROVINCE, ARGENTINA: IMPLICATIONS FOR PEGMATITEFRACTIONATION...MENDOZA-CONICET, Avda. Adrián Ruiz Leal s/n, Parque GeneralSan Martín, 5500, Mendoza, ArgentinaABSTRACTGahnite from...the pegmatites of the Comechingones pegmatitedistrict.Chemical variation within gahnite crystals is... melt evolution, chemistry, Pampean PegmatiteProvince, Argentina.INTRODUCTIONZinc-rich spinel ([Zn...pegmatite districts of the large PampeanPegmatiteProvince, Argentina (Galliski 1994a). TheComechingones |  | | Journal (article/letter/editorial) | | CRICYT (CONICET),Av Ruiz Leal s/n, Parque Gral.San Martín, 5500, Mendoza, Argentina4 Mineralogía y Petrología...AbstractA gold-bearing ore from theSan Salvador vein, Capillitasmine, Argentina, was exposed to an enriched...ofgold-bearing oreThe Capillitasmine, located in theprovince of Catamarca, Argentina, is composed...sampleof gold-bearing ore was obtained from theSan Salvador veinca. 180 m deep. The ore was cut into...This assemblage included chalcopyrite (CuFeS2),pyrite (FeS2), galena (PbS), enargite (Cu3AsS4), hübnerite |  | Cánovas, C.R., Peiffer, S., Macías, F., Olías, M., Nieto, J.M. (2015) Geochemical processes in a highly acidic pit lake of the Iberian Pyrite Belt (SW Spain)Chemical Geology, 395. 144-153doi:10.1016/j.chemgeo.2014.12.007 | Journal (article/letter/editorial) | | processes in a highly acidic pit lake of theIberianPyrite Belt (SW Spain)C.R. Cánovas a,b,⁎, S. Peiffer...Environmental Sciences, University of Cádiz, Pol. RioSan Pedro s/n, 11510 Puerto Real, Cadiz, SpainDepartment...December 2014Editor: Carla M KoretskyKeywords:San Telmo pit lakeSchwertmannite transformationpH buffering...from a pit lake(San Telmo, 130 m deep) in the IberianPyrite Belt were investigated.San Telmo is a meromictic...12%) compared to most coal-miningpit lakes. InSan Telmo sediments, iron reduction and sulfide oxidation |  | Leary, Stephen, Sillitoe, Richard H., Stewart, Peter W., Roa, Karl J., Nicolson, Benjamin E. (2016) Discovery, Geology, and Origin of the Fruta del Norte Epithermal Gold-Silver Deposit, Southeastern Ecuador.Economic Geology, 111 (5) 1043-1072doi:10.2113/econgeo.111.5.1043 | Journal (article/letter/editorial) | | >300-m-wide vein-stockwork associatedwith quartz-illite-pyrite alteration. The deposit comprises two principal...veining, with disseminated and veinlet marcasite (±pyrite). The uppermost part of this silicic zoneis sulfide...deposits of southeastern Ecuadorand contiguousPeru. Note that, for sake of clarity, the postmineralization...Mirador, N = Nambija, P = Panantza, SC =San Carlos, SL=San Luis, W = Warintza. Faults taken from Eguez...southeastern Ecuador, 6 km from theborder withPeru (Fig. 1). With an indicated resource of 23.5million |
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