 | | Journal (article/letter/editorial) | | BULGARIA: A NEWLY RECOGNIZED IRON OXIDE-COPPER-GOLD DISTRICT Richard H. Sillitoe,1,† Georgi Magaranov,2 Veselin...3Department Capital Inc., 6th September Street 13A, Sofia 1000, Bulgaria of Earth and Atmospheric Sciences...for the first time as an iron oxide-copper-gold (IOCG) district. The veins are located in the East Srednogorie...mineralogic and compositional features of the Rosen district are comparable to those of well-known IOCG deposits...IOCG veins in the Coastal Cordillera province of northern Chile. The subsidiary granitophile signature |  | | Report (chapter) | | volcanism: a review R. H. Sillitoe Department of Mining Geology, Royal School of Mines, Imperial College...Manto-type copper deposits are best known from Chile and southern Peru. They consist o f stratiform concentrations...beds at Cerro de Mercado, Mexico, and El Laco, Chile. The map netite magma separated from its ca/c-alkaline...deposits in the western U.S.A. and an epithermal gold deposit in Fiji, however, were emplaced following...acanthite) and arsenic- or antimony-bearing sulphosalts, gold in the native state, but usually argentiferous, |  | | Journal (issue) | | tgressman@comcast.net Famous Mineral Localities: The Soudan mine, Vermilion Range, St. Louis County, Minnesota ....Mineral Localities: The Old Gunnislake mine, Callington District, Cornwall, England .....................red hematite inclusions, 4.5 cm, from the Soudan mine, Vermilion Range, St. Louis County, Minnesota. Don...AQUAMARINE ON MUSCOVITE Chumuru Mine, Nagar, Hunza Valley, Gilgit District, Northern Areas, Pakistan, 22...Pohl-Ströher, the Technical University of the Freiberg Mining Academy lost a patron who, through the permanent |  | | Journal (article/letter/editorial) | | high-sulfidation deposit is located in the Panagyurishte ore district in Bulgaria, which is defined by a NNW alignment...are also recognized in the entire Panagyurishte district. Mapping and 3-D modeling show that hydrothermal...ore deposit alignment of the Panagyurishte ore district. It is concluded that the three fault populations...WNW-oriented folds throughout the Panagyurishte district. A subsequent tectonic stage resulted in overthrusting...similar to that of the entire Panagyurishte ore district. This coherence of the magmatic, hydrothermal |  | | Journal (article/letter/editorial) | | 1989 Greenockite from the Madjarovo Pb-Zn Ore District, Eastern Rhodope, Bulgaria M. Tarkian 1 and V...2Department of Mineralogy and Crystallography, Sofia University, Bulgaria With 5 Figures Received September...greenockite is described from the Madjarovo ore district, Bulgaria. The mineral is closely associated with...Greenockite the ore forming processes, the Madjarovo district is a typical representative of the lead-zinc formation...galena, sphalerite, wurtzite, chalcopyrite, pyrite, gold, electrum and hematite, in that order of frequency |  | Cioacă, Mihaela-Elena, Munteanu, Marian, Lynch, Edward P., Arvanitidis, Nikolaos, Bergqvist, Mikael, Costin, Gelu, Ivanov, Desislav, Milu, Viorica, Arvidsson, Ronald, Iorga-Pavel, Adina, Högdahl, Karin, Stoilov, Ventsislav (2020) Mineralogical Setting of Precious Metals at the Assarel Porphyry Copper-Gold Deposit, Bulgaria, as Supporting Information for the Development of New Drill Core 3D XCT-XRF Scanning Technology. Minerals, 10 (11) 946 doi:10.3390/min10110946 | Journal (article/letter/editorial) | | of Precious Metals at the Assarel Porphyry Copper-Gold Deposit, Bulgaria, as Supporting Information for...scanning technology being developed as part of the X-MINE project. Scanning electron microscopy–energy dispersive...Ag-Te-S-Se minerals; hydrothermal metallogeny; Assarel; X-MINE 1. Introduction Porphyry-type deposits are the...making them more amenable to both exploration and mining. From a resource exploitation perspective, the...exploration and/or mining workflows, should increase the economic viability of a deposit and mining sustainability |  | | Journal (article/letter/editorial) | | one of the largest European gold deposits and is located 60 km east of Sofia, within the northern part...part of the Panagyurishte mineral district. It lies within the Banat–Srednegorie metallogenic belt, which...Majdanpek Veliki Krivelj Moesian Platform Bor Sofia Introduction Elatsite Medet Assarel Chelopech...SEA Radka The Bulgarian Panagyurishte mineral district is a major ore producing area within the Eastern...et al. 2002; Heinrich and Neubauer 2002). This district displays some of the best examples of porphyry–Cu |  | | Journal (article/letter/editorial) | | Academy of Sciences, Georgi Bonchev bl. 107, BG-1113 Sofia, Bulgaria b c Received 30 November 2004; accepted...Marsh et al. (1997) showed for the Potrerillos district (Chile) that hydrothermal activity in porphyry-related...Cretaceous magmatic rocks in the Pangyurishte district of the Central Srednogorie Zone of Bulgaria (Figs...Krivelj–Majdanpek district of Timok in Serbia, (4) the Panagyurishte mineral district in Bulgaria, and...and (5) the Burgas district in Eastern Bulgaria. A. von Quadt et al. / Ore Geology Reviews 27 (2005) 95–126 |  | | Journal (issue) | | cavity of dolomite carbonatite. 6 x 5 cm. Zheleznyi Mine, Kovdor, Kola Peninsula, Russia. Fersman Mineralogical...Administratively, the Imeretinsky site is located in the Urup district of the Karachay-Cherkess Republic, 60 km SW of...It corresponds those of leadhillite from Mammoth Mine , Arizona, USA and to the empirical formula Pb...complete resemblance to that of caledon.ite from Rowley Mine, Arizona, USA (;;060506 from the RR FF database)...in the sample from the Preobrazhensky mine at the Berezovskoe gold deposit in the Central Urals (Eremeev |  | Kouzmanov, Kalin, Moritz, Robert, von Quadt, Albrecht, Chiaradia, Massimo, Peytcheva, Irena, Fontignie, Denis, Ramboz, Claire, Bogdanov, Kamen (2009) Late Cretaceous porphyry Cu and epithermal Cu–Au association in the Southern Panagyurishte District, Bulgaria: the paired Vlaykov Vruh and Elshitsa deposits. Mineralium Deposita, 44 (6) 611-646 doi:10.1007/s00126-009-0239-1 | Journal (article/letter/editorial) | | Cu–Au association in the Southern Panagyurishte District, Bulgaria: the paired Vlaykov Vruh and Elshitsa...Mineralogy and Crystallography, BAS, 1113 Sofia, Bulgaria K. Bogdanov Sofia University “St. Kliment Ohridski”...Ohridski”, 15 Tsar Osvoboditel Bd., 1000 Sofia, Bulgaria of the Elshitsa volcano-intrusive complex and are spatially...complexes in the northern part of the Panagyurishte district (Chelopech, Elatsite, Assarel). Magma chemistry...between the northern and southern parts of the district. Major and trace element geochemistry of the Elshitsa |  | | Journal (article/letter/editorial) | | Geography, Sofia University “St. Kliment Ohridski”, 15 Tsar Osvoboditel Boulevard, 1000 Sofia, Bulgaria...of enargite, Cu-excess tennantite, chalcopyrite, gold, vinciennite, colusite, and minor covellite, within...Srednogorie, en Bulgarie. Le développement de ce district métallogénique est lié à une activité magmatique...deposits in the Panagyurishte ore district, Bulgaria. The district is part of the Srednogorie zone (Fig...geology of the southern part of the Panagyurishte district with location of the major mineral occurrences |  | | Report (issue) | | 2 osmium 190.2 iridium 192.2 platinum 195.1 gold 197.0 mercury 200.5 thallium 204.4 lead 207.2............................. R6 Iron Oxide-Copper-Gold Deposits............................................................................. R9 Orogenic Gold Deposits......................................................................... R11 Carlin-Type Gold Deposits..................................................................................... R15 Mine Waste Characteristics.......................... |  | Marchev, Peter, Kaiser-Rohrmeier, Majka, Heinrich, Christoph, Ovtcharova, Maria, von Quadt, Albrecht, Raicheva, Raya (2005) 2: Hydrothermal ore deposits related to post-orogenic extensional magmatism and core complex formation: The Rhodope Massif of Bulgaria and Greece. Ore Geology Reviews, 27 (1) 53-89 doi:10.1016/j.oregeorev.2005.07.027 | Journal (article/letter/editorial) | | Academy of Sciences, Acad. G. Bonchev St., 1113 Sofia, Bulgaria Isotope Geology and Mineral Resources...closely similar age. Base-metal-poor, high-grade gold deposits of low sulphidation character occurring...Rhodopes to the magmatic rockhosted polymetallic gold deposits of the Eastern Rhodopes. D 2005 Elsevier...fields. Because of changes in the Bulgarian economy, mining operations for base metals in most of these deposits...Rhodopes led to the discovery of high-sulphidation gold deposits at Perama Hill and Sappes (Michael et al |  | | Journal (article/letter/editorial) | | Academy of Sciences, 1113 Sofia, Bulgaria Faculty of Geology and Geography, Sofia University St. Kliment...Kliment Ohridski, 1504 Sofia, Bulgaria; vassilka@gea.uni-sofia.bg Museum für Naturkunde, Leibniz-Institut für...proved to be a major carrier of gold where it occurs either as “invisible gold” (nanoparticulate and structurally...earlier As-rich pyrite as microscopically visible gold. It is considered that As content electrochemically...19]. It is used as a source for the extraction of gold and other Minerals 2020, 10, 12; doi:10.3390/min10010012 |  | Sabeva, Ralica, Mladenova, Vassilka, Mogessie, Aberra (2017) Ore petrology, hydrothermal alteration, fluid inclusions, and sulfur stable isotopes of the Milin Kamak intermediate sulfidation epithermal Au-Ag deposit in Western Srednogorie, Bulgaria. Ore Geology Reviews, 88. 400-415 doi:10.1016/j.oregeorev.2017.05.013 | Journal (article/letter/editorial) | | Mladenova1, Aberra Mogessie2 1 2 Sofia University, FGG, 1504 Sofia, Bulgaria; E-mail: rsabeva@gea.uni-sofia...The Milin Kamak gold-silver deposit is located in western Srednogorie 50 km west of Sofia, Bulgaria. This...the Breznik paleovolcano. Milin Kamak is the first gold-silver intermediate sulfidation type epithermal...dip steeply to the south. The average content of gold is 5.04 g/t and silver – 13.01 g/t. The styles of...carbonate-gold stage III is defined by deposition of carbonate minerals and barite with native gold and stibnite |  | Stefanova, E., Driesner, T., Zajacz, Z., Heinrich, C. A., Petrov, P., Vasilev, Z. (2014) Melt and Fluid Inclusions in Hydrothermal Veins: The Magmatic to Hydrothermal Evolution of the Elatsite Porphyry Cu-Au Deposit, Bulgaria. Economic Geology, 109 (5) 1359-1381 doi:10.2113/econgeo.109.5.1359 | Journal (article/letter/editorial) | | 1 Paraskev Petrov,2 and Zlati Vasilev3 1 ETH 2 Sofia Zurich, Department of Earth Sciences, Clausiusstrasse...Economic Geology, 15 Tsar Osvoboditel blvd., 1504 Sofia, Bulgaria 3 Ellatzite-Med AD, Geology Department...Resources, Acad. G. Bonchev str., bl. 24, 1113 Sofia, Bulgaria. 0361-0128/14/4233/1359-23 1359 Submitted:...porphyry in the Zaldivar porphyry Cu deposit in Chile to represent the primary magmatic fluids exsolved...Cu-Au deposit is the largest operating open-pit mine in Bulgaria, located on the Etropole ridge of the |  | | Report (chapter) | | porphyry copper deposit in the Panagyurishte ore district, Srednogorie zone, Bulgaria: U - P b zircon geochronology...Crystallography, Bulgarian Academy of Science, 1113 Sofia, Bulgaria (e-mail: peytcheva@erdw, eth. ch) 3Department...Economic Geology, Sofia University St. Kliment Ohridski, 15, Bd. Tzar Osvoboditel, 1505 Sofia, Bulgaria (e-mail:...Elatsite Cu-Au porphyry deposit is the largest active mine in Bulgaria. It is located on the Etropole ridge...Mountains at the northern end of the Panagyurishte ore district of the Central Srednogorie zone (Bonchev 1970; |  | | Journal (article/letter/editorial) | | Placer Gold from the Rio Neuquén, Argentina: Implications for the Gold Budget in Placer Gold Formation...variable amounts of placer gold. In addition to rounded, detrital placer gold, the sediments also contain...crystalline gold (type 1 gold), which occurs as overgrowths on detrital placer gold cores. Type 1 gold is locally...locally rimmed by gold with a wormlike or crystalline texture (type 2 gold). The chemistry of the primary...origin. Type 1 gold is composed of virtually pure gold (>98 at. % Au) and type 2 gold is an Au-Hg amalgam |  | Duuring, Paul, Rowins, Stephen M., McKinley, Bradley S. M., Dickinson, Jenni M., Diakow, Larry J., Kim, Young-Seog, Creaser, Robert A. (2009) Examining potential genetic links between Jurassic porphyry Cu–Au ± Mo and epithermal Au ± Ag mineralization in the Toodoggone district of North-Central British Columbia, Canada. Mineralium Deposita, 44 (4) 463-496 doi:10.1007/s00126-008-0228-9 | Journal (article/letter/editorial) | | epithermal Au±Ag mineralization in the Toodoggone district of North-Central British Columbia, Canada Paul...Springer-Verlag 2009 Abstract The Toodoggone district comprises Upper Triassic to Lower Jurassic Hazelton...any other porphyry Cu–Au±Mo occurrence in the district and has lower REEs. All porphyry systems are spatially...intrusions are best exposed in the southern half of the district, where high rates of erosion and uplift have resulted...are more numerous in the northern half of the district, where the overlying Hazelton Group rocks dominate |  | | Report (volume) | | -------------------------------------------------Chile -----------------------------------------------------Bolivia...times. Up four times. -------- PRODUCTION Barite mining became commercially important when Europe and the...160,000 tons of barite mined from the Cheshire district, Connecticut, between 1838 and 1878 (Fritts, 1962...and 1878. The spectacular growth of world barite mining began in 1945 as world economy started its great...did the United States. Table 4 lists the barite mining countries of the world and their production from |  | | Journal (article/letter/editorial) | | Bogdanov · D. Tsonev · K. Kuzmanov Mineralogy of gold in the Elshitsa massive sulphide deposit, Sredna...the Srena Gora metallogenic zone in Bulgaria. The gold-bearing massive sulphide mineralization is considered...during the Late Cretaceous. In addition to the major gold-hosted opaque minerals such as pyrite, chalcopyrite...mineralization are gold-bearing. The gold tenor as a rule is less than 1 g/t. Native gold and electrum occur...intergranular particles in the sulphide minerals. Gold in the early massive pyrite is of submicroscopic |  | | Journal (article/letter/editorial) | | Geology Vol. 74, 1979, pp. 1336-1351 The BaseMetals-Gold HydrothermalOre Deposits of Baia Mare, Romania BARBU...depositsconstitute a zone of the metallogenic province of Neogene Carpathic volcanism. Introduction ...controlled long beenknown and there are indicationsof mining operationssinceantiquity. Written documentsrelating...development are availablefrom the 14th century,and mining hascontinuedintermittently until the present. Geologicaldata...he two temperaturehydrothernmldeposits(mercury, gold, trends is in their associatedmetallogenesis.The |  | | Book (volume) | | the Mineralogical Society and The Institution of Mining and Metallurgy on the ferrous, non-ferrous and...clear descriptions of the classical and producing mining districts and the larger deposits are required...interested in prospecting, by organizations requiring mining and mineral statistics, by compilers of atlases...non-specialists, who may include, for example, mining company executives, investment consultants and...The Institution of Mining and Metallurgy Published by The Institution of Mining and Metallurgy and |  | | Journal (article/letter/editorial) | | Jankovic Dwarf Copper–Gold Porphyry Deposits of the Buchim–Damjan– Borov Dol Ore District, Republic of Macedonia...Stefanovaa, and A. V. Volkovb ^ a Faculty of Mining and Geology, Goce Del’ c ev University, S tip,...copper deposits in the Buchim–Damjan–Borov Dol ore district and their genetic fea tures are considered and...published data. Special attention is paid to supergene gold in heavy concentrate halos of the Borov Dol deposit...smallest deposit of this type currently involved in mining. A comprehensive study of these dwarf porphyry |  | | Journal (article/letter/editorial) | | of Sciences, Acad. G. Bonchev Str., Bl. 24, 1113 Sofia, Bulgaria LAURENT BAILLY BRGM, Mineral Resources...(Panagyurishte district) to the Caucasus (Jankovic 1977). In Bulgaria, the Panagyurishte district lies in the...ANALYTICAL TECHNIQUES Eighteen samples from the Elatsite mine were analyzed for their precious-metal and minor-...characteristics of the different mineralized levels in the mine. Three samples were taken from the flotation unit...map of the southern part of the Panagyurishte district, showing the main porphyry and epithermal deposits |
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