 | | 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...first time as an iron oxide-copper-gold (IOCG) district. The veins are located in the East Srednogorie... and carbonates but also quartz, chalcopyrite, pyrite, and numerous other metallic minerals, which combine...mineralogic and compositional features of the Rosen district are comparable to those of well-known IOCG deposits |  | | 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 |  | | 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...chalcedony, accompanied by varying quantities of pyrite, calcite, dolomite, barite, adularia, rhodochrosite...northwest it impinges on the Sonoran Basin and Range province and in the southeast, south of the Trans-Mexico |  | | Report (issue) | | 3.90 c = 16.95 Z=1 X-ray Powder Pattern: Ida mine, Khan, Namibia. 3.14 (100), 2.82 (100), 1.89 (100)...enrichment. Association: Chalcopyrite, bornite, pyrite, sphalerite, chalcocite, pyrrhotite, mackinawite...world-wide. In Namibia, from the Ida mine, Khan River Valley, Swakopmund district [TL]; and at Tsumeb. Found near...Switzerland, near Grimentz, Valais. From the Clara mine, near Oberwolfach, Black Forest, Germany. At the...deposit, Pazardzhik, and the Chelopech deposit, Sofia, Bulgaria. In the USA, at upper White Canyon, San |  | | 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...mineralization have been distinguished: Quartz-pyrite-chalcopyrite, quartzhematite-chlorite, quartz-sulfides |  | 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) | | scanning technology being developed as part of the X-MINE project. Scanning electron microscopy–energy dispersive... and typically form micron-sized inclusions in pyrite and chalcopyrite or are disseminated in the groundmass...bornite assemblage as relics in the more dominant pyrite-chalcopyrite mineralization assemblage supports...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 |  | | 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) | | located 60 km east of Sofia, within the northern part of the Panagyurishte mineral district. It lies within...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...Leach 1998). Within the northern Panagyurishte district, the high-sulfidation Au–Cu epithermal Chelopech |  | | 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...veins is up to 1.5 m and length is 15-20 m. Galena, pyrite, and chalcopyrite are the major sulfide minerals...I ratio) and by its typical optical properties. Pyrite is ubiquitous; it forms cubic crystals up to a...3-4 cm across. Pyrite is coated by brownish thin films of iron hydroxides. Some pyrite crystals are completely |  | 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...early stage high-sulfidation mineral assemblage (pyrite ± enargite ± covellite ± goldfieldite) by an i...compositionally different types of ores—massive pyrite and copper–pyrite bodies. Vlaykov Vruh shares features with |  | | 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 (article/letter/editorial) | | Geography, Sofia University “St. Kliment Ohridski”, 15 Tsar Osvoboditel Boulevard, 1000 Sofia, Bulgaria...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...data from the southern part of the Panagyurishte district confirm that both metals and sulfur in the ore |  | | Journal (article/letter/editorial) | | Crystallization on Fractured and Polished Colloform Pyrite Surfaces: A Migration Pathway of Trace Elements...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...2019 Abstract: The colloform pyrite variety incorporates many trace elements that are...the environment during rapid oxidation. Colloform pyrite from the Chiprovtsi silver–lead deposit in Bulgaria |  | 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...next, economically most important chalcopyrite-pyrite stage is largely devoid of quartz precipitation...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 |  | | 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:...late ore dyke cutting all ore veins and hosting pyrite as the only sulphide mineral give a concordant...Elatsite Cu-Au porphyry deposit is the largest active mine in Bulgaria. It is located on the Etropole ridge |  | 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...fields. Because of changes in the Bulgarian economy, mining operations for base metals in most of these deposits...Rhodopean Dome are quartz, galena, sphalerite, pyrite, arsenopyrite, chalcopyrite and carbonates, including...veins, with an increase of galena, chalcopyrite and pyrite at depth, and a regional increase of galena / sphalerite...enriched in Ag F Te in the least eroded Davidkovo ore district (Marinova and Kolkovski, 1995), and an intermediate |  | 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...is located in western Srednogorie 50 km west of Sofia, Bulgaria. This zone belongs to the Late Cretaceous...three stages. Quartz-pyrite stage I is dominated by quartz, euhedral to subhedral pyrite, trace pyrrhotite...Quartz-polymetallic stage II is represented by major anhedral pyrite, galena, Fe-poor sphalerite; minor chalcopyrite...salinity of the ore-forming fluids. 2 δ34S values of pyrite range from –0.49 to +2.44 ‰. The average calculated |  | | Report (issue) | | ........................................... R15 Mine Waste Characteristics........................................................................ R17 Mine Closure...........................................one another at Dashuigou and Majiagou (Sichuan Province) in southwestern China, and the epithermal-like...at the Kankberg deposit in the Skellefteå VMS district of Västerbotten County, Sweden. Combined, these...tellurium, however, is produced as a byproduct of the mining of porphyry copper deposits. These deposits typically |  | 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 |  | | 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... Zr, Mn, Al, Mg, REEs Non-metallic commodities Pyrite, sulphur, phosphates, borates, potash, salt, diamond |  | | 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...lenses partly altered to hematite. 2) A quartz – pyrite – chalcopyrite assemblage (Stage 2) is associated...Dragov 1993, Dragov & Petrunov 1998). 3) A quartz – pyrite –chal- 1357 copyrite – calcite assemblage (Stage...ANALYTICAL TECHNIQUES Eighteen samples from the Elatsite mine were analyzed for their precious-metal and minor- |  | | Journal (article/letter/editorial) | | to the major gold-hosted opaque minerals such as pyrite, chalcopyrite, sphalerite and galena there are...assemblages that were deposited during the pyrite and copper-pyrite stages of mineralization are gold-bearing...early massive pyrite is of submicroscopic type (< 0,1 lm) and of colloidal ori-gin. Pyrite deformation...submicroscopic (< 0,1 lm) in the early colloform pyrite to microscopic (0,1–100 lm) and macroscopic (>...and Geography, Sofia University ‘‘St. Kl. Ohridski’’, 15 Tsar Osvoboditel Bd., 1000 Sofia, Bulgaria Introduction |  | | Journal (article/letter/editorial) | | 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...hydrothermalmetamorphismare be discussed below. recognized. Ten mining fieldsare presentlyin operation,each Propylitizationresultedfrom...the rock exceptfor an inThe first in the seriesof mining fields, from west creasein the H20 content. This |  | | Journal (article/letter/editorial) | | Porphyry Deposits of the Buchim–Damjan– Borov Dol Ore District, Republic of Macedonia (FYROM) T. Serafimovskia...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...smallest deposit of this type currently involved in mining. A comprehensive study of these dwarf porphyry...copper deposits in the Buchim–Damjan– Borov Dol ore district discussed in this paper do not exceed 150 kt. |  | | Journal (article/letter/editorial) | | deposits in the Madan ore field, South Bulgaria Madan District: Lat. 41°30’ N, Long. 24°56’ E R. D. Vassileva*...Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria Received 9 August 2004, accepted 24 February...with major Pb–Zn deposits. Mining history: The Pb–Zn ores in the Madan district are known since ancient...accumulations, associated with manganoan skarns. Mining type: underground. Commodities: Pb, Zn, Ag. Total...quartz–sulphide ores (sphalerite, galena, chalcopyrite and pyrite); (4) carbonate–quartz assemblage with minor sulphides |
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