 | Rohrmeier, M. K., von Quadt, A., Driesner, T., Heinrich, C. A., Handler, R., Ovtcharova, M., Ivanov, Z., Petrov, P., Sarov, S., Peytcheva, I. (2013) Post-Orogenic Extension and Hydrothermal Ore Formation: High-Precision Geochronology of the Central Rhodopian Metamorphic Core Complex (Bulgaria-Greece) Economic Geology, 108 (4) 691-718 doi:10.2113/econgeo.108.4.691 | Journal (article/letter/editorial) | | 691ā718 Post-Orogenic Extension and Hydrothermal Ore Formation: High-Precision Geochronology of the Central...Central Rhodopian Metamorphic Core Complex (Bulgaria-Greece) M. KAISER ROHRMEIER,1 A. VON QUADT,1,ā T...Ohridsk,ā 15 Tsar Osvoboditel Bd., BG-1504 Sofia, Bulgaria 4 Research Institute āGeology and Geophysics...Geophysics,ā 23 Sitnyakovo Blvd., 1505 Sofia, Bulgaria 5 Geological Institute, Bulgarian Academy of Science...Sofia, Bulgaria Abstract The late Alpine evolution of the Rhodope Massif in southern Bulgaria and northern |  | 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) | | Ore Geology Reviews 27 (2005) 53 ā 89 www.elsevier.com/locate/oregeorev 2: Hydrothermal ore deposits...core complex formation: The Rhodope Massif of Bulgaria and Greece Peter Marchev a,*, Majka Kaiser-Rohrmeier...of Sciences, Acad. G. Bonchev St., 1113 Sofia, Bulgaria Isotope Geology and Mineral Resources, Department...2005 Abstract The Rhodope Massif in southern Bulgaria and northern Greece hosts a range of PbāZnāAg...rocks in the Central Rhodopean Dome (e.g., the Madan ore field) are spatially associated with low-angle detachment |  | | Journal (article/letter/editorial) | | Tennantite-tetrahedrite series from the Madan Pb-Zn deposits, Central Rhodopes, Bulgaria Rossitsa D. Vassileva & Radostina...Petrovitsa Pb-Zn deposits of the Madan ore field, southern Bulgaria. Unusually large compositional variations...tetrahedrite composition. Fahlore compositions at Madan correspond to zincian varieties (1.6ā1.95 apfu)...precipitated in the late stages of mineralization at Madan, at temperature interval of 300ā 200 Ā°C from oxidizing...Sciences, Acad. G. Bonchev Str. 24, 1113 Sofia, Bulgaria e-mail: rosivas@geology.bas.bg K. Kouzmanov Department |  | | Book | | Mineral Resources of BulĀ garia, Minerals of Bulgaria, Gems and Ornamental Stones, and MateĀ rials....Galleries and Fine Arts of the Ministry of Culture in Bulgaria. The museum was founded on January I, 1986 and...through The National Donation Fund "13 Centuiies of Bulgaria". 730 donors including 207 companies and state...festivals, compeĀ future generations. titions; - Field work, scientific observation POLICY The museum is...funds. 2 Pse11dostnlactitefro111 c/za/cedo11y, Bulgaria (x 0,5 ) The Earth and Man National MuĀ FOUNDERS |  | Repstock, Alexander, Voudouris, Panagiotis, Zeug, Manuela, Melfos, Vasilios, Zhai, Mingguo, Li, Hongzhong, Kartal, Tamara, Matuszczak, Julia (2016) Chemical composition and varieties of fahlore-group minerals from Oligocene mineralization in the Rhodope area, Southern Bulgaria and Northern Greece. Mineralogy and Petrology, 110 (1) 103-123 doi:10.1007/s00710-015-0412-4 | Journal (article/letter/editorial) | | Oligocene mineralization in the Rhodope area, Southern Bulgaria and Northern Greece Alexander Repstock 1 & Panagiotis...deposits from the central and eastern Rhodope area, Bulgaria and Greece (e.g. porphyry-epithermal systems at...skarn-carbonate replacement deposits at Laki, Davidkovo, Madan, Enyovche and intrusion-related deposits at Kimmeria)...association with enargite/luzonite and native gold in high-sulfidation ore assemblages. Tetravalent tellurium substitutes... they are closely associated with either native gold, goldsilver tellurides or Ag-sulfosalts. Introduction |  | BaÄĆk, Peter, FridrichovĆ”, Jana, Rybnikova, Olena, Å tubÅa, JĆ”n, IllĆ”Å”ovĆ”, Ľudmila, Å koda, Radek, VaculoviÄ, TomĆ”Å”, PuliÅ”ovĆ”, Zuzana, SeÄkĆ”r, Peter (2023) Crystal-Chemical and Spectroscopic Study of Gem Sphalerite from BanskĆ” Å tiavnica, Slovakia. Minerals, 13 (1) 109 doi:10.3390/min13010109 | Journal (article/letter/editorial) | | TerĆ©zia and RozĆ”lia veins in the BanskĆ” Å tiavnica ore district. The yellow (sample A) and olive-green sphalerite...NIR region, which can be all assigned to crystal-field transitions of Fe2+ . The absorption edge starts...gemstone; it is most often used as zinc and cadmium ore and is also the main carrier of gallium, germanium...Colorado), Spain (the Aliva mines), and Bulgaria (Madan ore field) at the gemstone market [1,6ā8]. The most...are also known from Pb-Zn ore deposits of the Madan ore district, Bulgaria [11ā13]. Exceptional gem-quality |  | | Journal (article/letter/editorial) | | anions in fluid inclusions from quartz (Madan ore district, Bulgaria) Boriana G. Kotzeva With 2 figures and...(Krushev Dol PbāZn deposit, Madan ore district, Rhodope Mountains, Bulgaria) were determined by ion chromatography...as well as some cationsā concentrations, in the ore-forming fluid were determined. Key words: fluid inclusions...also of major importance for the transportation of ore substance being a ligand involved in the complexes... the main ore vein of Kroushev Dol Pb-Zn deposit, on the level 600 m a.s.l., of Madan ore district, Central |  | Bonev, I. K., Vassileva, R. D., Zotov, N., Kouzmanov, K. (2005) Manganilvaite, CaFe2+Fe3+(Mn,Fe2+)(Si2O7)O(OH), a new mineral species of the ilvaite group, from PbāZn skarn deposits in the Rhodope Mountains, Bulgaria. The Canadian Mineralogist, 43 (3) 1027-1042 doi:10.2113/gscanmin.43.3.1027 | Journal (article/letter/editorial) | | PbāZn SKARN DEPOSITS IN THE RHODOPE MOUNTAINS, BULGARIA IVAN K. BONEVĀ§ AND ROSSITSA D. VASSILEVA Geological...Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria NIKOLAY ZOTOV Mineralogisch-Petrologisches Institut...Rhodope Mountains, Bulgaria, and especially in the Ossikovo and Mogilata deposits (Madan ore district) and... Govedarnika mine, central Rhodope Mountains, Bulgaria. SOMMAIRE La manganilvaĆÆte, CaFe2+Fe3+(Mn,Fe2+)(Si2O7)O(OH)...de Ossikovo et Mogilata (district minĆ©ralisĆ© de Madan) et de Govedarnika (district de Laki). TrouvĆ© dans |  | | Journal (article/letter/editorial) | | single mineral, chalcopyrite, the dominant primary ore mineral of copper. Fortunately for both the mining...producing specimens. As the dominant primary copper ore mineral, it is widespread in porphyry copper deposits...States; they occur in relative abundance in a broad province that occupies southern Arizona and northern Sonora...tarnished crystals associated with bismuth sulfides, gold, quartz, and lustrous pyrite crystals. The second...are reported from the Krakajack No. 2 mine near Gold Hill, Boulder County. Excellent chalcopyrite specimens |  | | Book (volume) | | Ostrosi Romania by V. Ianovici and M. Borcos Bulgaria by B. Bogdanov Greece by G. Marinos Cyprus by...to gather information on the geology of European ore deposits knows the frustrations that such an endeavour...to gather information on the geology of European ore deposits knows the frustra- volume tions that such..._ Belgium; Southeast Europe includes Albania, Bulgaria, Cyprus, Greece, Hungary, Romania and Yugoslavia;...which has created a renewed interest in European ore deposits, is accompanied by an Explanatory Memoir |  | | Journal (issue) | | collection; John Fields photo. Back cover: Australian Gold: Top row from left: ā¢ 6 cm, Kalgoorlie, Western...extremely rich gold fields were found in New South Wales and Victoria. The discovery of gold in Kalgoorlie...century, resulting in the discovery of many major ore deposits. This tobacco poster depicts the 1858 discovery...discovery of the āWelcome Nuggetā (2,217 ounces gold) in the Ballarat goldfield, Australia. Supplement...other gold and nickel deposits in the State. Likewise the influx of prospectors looking for gold in Queensland |  | | Journal (article/letter/editorial) | | oregeorev.2017.05.029 OREGEO 2233 To appear in: Ore Geology Reviews Received Date: Revised Date: Accepted...precious, critical and rare metals exploration, Ore Geology Reviews (2017), doi: http://dx.doi.org/10...carbonatereplacement, reduced intrusion-related gold, intrusion-related Mo-W and polymetallic veins....Ag, and together with reduced intrusion-related gold systems played a critical role in ancient economies...back to prehistoric times, focusing initially on gold, copper and iron. Later, in the Classical (5th to |  | | Journal (article/letter/editorial) | | and moss from abandoned Hg mines in east Guizhou province, southwestern ChinaāGuangle Qiu, Xinbin Feng,...salinity in produced waters from the Palm Valley gas field, Northern Territory, AustraliaāAnita S. Andrew,...Proterozoic granitoids in the western Churchill Province: intrusive age pattern and Archean source domainsāO...mineral deposits, Butte district, Montanaā C.W. Field, L. Zhang, J.H. Dilles, R.O. Rye, and M.H. Reed...high-sulfidation mineralization in the TapajĆ³s gold province, Amazonian craton, Brazil: Geology, mineralogy |  | | Journal (article/letter/editorial) | | Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria e-mail: bonev@geology.bas.bg 2 Sofia University...Faculty of Geology and Geography, 1000 Sofia, Bulgaria Abstract: The crystal morphology of vacuoles...vein and replacement Pb-Zn ore deposits of the Madan ore district, Bulgaria, was studied both by optical...inclusions, negative crystals, crystal morphology, Madan ore district. Introduction Fluid inclusions, common...lead-zinc deposits of the Madan ore district in the Central Rhodope Mts., Bulgaria, were sampled where well-developed |  | Xu, Rong, Li, Wen-Chang, Deng, Ming-Guo, Zhou, Jia-Xi, Ren, Tao, Yu, Hai-Jun (2019) Genesis of the superlarge Luziyuan Zn-Pb-Fe(-Cu) distal skarn deposit in western Yunnan (SW China): Insights from ore geology and C-H-O-S isotopes. Ore Geology Reviews, 107. 944-959 doi:10.1016/j.oregeorev.2019.03.015 | Journal (article/letter/editorial) | | deposit in western Yunnan (SW China): Insights from ore geology and C-H-O-S isotopes Rong Xu, Wen-Chang Li...oregeorev.2019.03.015 OREGEO 2866 To appear in: Ore Geology Reviews Received Date: Revised Date: Accepted...Yunnan (SW China): Insights from ore geology and C-HO-S isotopes, Ore Geology Reviews (2019), doi: https://doi...deposit in western Yunnan (SW China): Insights from ore geology and C-H-O-S isotopes Rong Xua, Wen-Chang...reserves at 5.09% Zn and 2.40% Pb, and 301 Mt of Fe ore resources at 30.02% TFe. The stratiform or vein-type |  | | Journal (article/letter/editorial) | | Metals and the Formation of Magmatic-Hydrothermal Ore Deposits ANTHONY E. WILLIAMS-JONESā Department of...Switzerland Abstract In most published hydrothermal ore deposit models, the main agent of metal transport...vapor phase may be an important and even dominant ore fluid in some hydrothermal systems. This paper reviews...near-atmospheric pressure typically yield concentrations of ore metals in the parts per billion to parts per million...also commonly deposit appreciable quantities of ore minerals as sublimates. Much higher metal concentrations |  | PalinkaÅ”, Sabina StrmiÄ, PalinkaÅ”, Ladislav A., Renac, Christophe, Spangenberg, Jorge E., LĆ¼ders, Volker, Molnar, Ferenc, Maliqi, Gani (2013) Metallogenic Model of the TrepÄa Pb-Zn-Ag Skarn Deposit, Kosovo: Evidence from Fluid Inclusions, Rare Earth Elements, and Stable Isotope Data. Economic Geology, 108 (1) 135-162 doi:10.2113/econgeo.108.1.135 | Journal (article/letter/editorial) | | Abstract The TrepcĢa Pb-Zn-Ag skarn deposit (29 Mt of ore at 3.45% Pb, 2.30% Zn, and 80 g/t Ag) is located...was structurally and lithologically controlled. Ore deposition is spatially and temporally related with...fugacity between 10ā8.8 and 10ā7.2 bars. The principal ore minerals, galena, sphalerite, pyrite, and minor chalcopyrite...Ī“18O = ā9.6 to ā13.6ā°), the fluid responsible for ore deposition was dominantly meteoric in origin. The...5 and +10ā° point to a magmatic origin of sulfur. Ore deposition appears to have been largely contemporaneous |  | | Journal (article/letter/editorial) | | evolution is pivoting for the theory of mineral- and ore-forming processes. One of the methods able to provide...mineral-forming processes (a key problem in the theory of ore-forming processes) to elaborating prospecting guides...them being a professional in a certain scientific field. The first significant review of data on the principal...were determined for ten most typical minerals of ore deposits. In 1994 we began to gradually transfer...six minerals most widely spread at hydrothermal ore deposits and occurrences exceeds 1000 (36972 for |  | | Conference Proceedings (Volume) | | isotopes in white mica from the Larderello geothermal field ā a tool to trace fluid flow in a complex magmatic...geochemistry: The Elatsite porphyry Cu-Au-PGE deposit, Bulgaria Swiss Geoscience Meeting 2018 Platform Geosciences...investigations of the Miocene sandstone hosted fluorite ore deposits, Northeastern Tunisia P 2.3 Benz J.-M...Cretaceous seawater involved in magmatic- hydrothermal ore formation? P 2.4 Brunner M., MĆ¼ller L., Von Quadt...eruptions in the Southern Rocky Mountain Volcanic Field P 2.8 Davies J.H.F.L., Greber N.D., Schaltegger |  | | Catalog/List | | Lotsā or type your desired Lot # into the āSearchā field. Every lot is listed with full descriptions and...infrequently in association with various Copper/Lead ore deposits. Good crystals are rare and highly appreciated...Shaft 11, Touissit, Touissit District, Oujda-Angad Province, Oriental Region, Morocco This is just a nice...one was formerly in the collection of Chicagoās Field Museum of Natural History. Its condition is normal...x 11.4 x 12.7 cm). Provenance: David Crawford, Field Museum of Natural History [Hoppel # D1742] Estimate: |  | Simon, A. C., Frank, M. R., Pettke, T., Candela, P. A., Piccoli, P. M., Heinrich, C. A., Glascock, M. (2007) An evaluation of synthetic fluid inclusions for the purpose of trapping equilibrated, coexisting, immiscible fluid phases at magmatic conditions. American Mineralogist, 92 (1) 124-138 doi:10.2138/am.2007.2066 | Journal (article/letter/editorial) | | variable salinities, from geologic settings including ore deposits, subducted oceanic slabs, and metamorphic...historically confined to working in a one-phase fluid field (i.e., vapor, brine, or supercritical fluid) at...individual fluid inclusions, trapped in a one-phase field, by using microthermometrically determined Na concentrations...redistribution of elements in magmatic-hydrothermal ore-forming (and other igneous and metamorphic) environments...directly applicable to the genesis of these various ore deposit types. Coupling such a technique with micro-analytical |  | | Catalog/List | | including the largest Gold nugget ever found in Alaska AND the worldās largest single Gold crystal ā all part...part of a great assortment of some 50 Gold specimens in nugget, crystallized, and crystal form. Augmented...grouping of Gemstones from all over the world, like the Gold and various other unique items, the first session...something special. The amount and variety of significant Gold in this sale are unparalleled, with spectacular...following pieces: ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ The largest Gold nugget ever found in Alaska, known as The Centennial |  | | Book | | Republic Belarus Republic . ā¢. Belgium Brazil Bulgaria Canada. Czech Republic Denmark . Egypt France...majority of specimens were collected by staff during field work with and without students. Some of the collection...teaching; rocks and minerals of Victorian goldfields; ore minerals from Australia. Uses and services: Teaching;...collection of ore body minerals from Queensland; Queensland Agate collection; Queensland Gold collection...collection, including crystal gold; South East Queensland Iris Agate collection. Uses and services: Public exhibits; |  | | Journal (issue) | | update on the Cononish Gold Mine in Uncertainty at Scotland's Only Operating Gold Mine. While Clive was...zinc was found which proved to be more common as an ore. This was the beginningof the development of the...Oklal1omaTri-stateregion of th,e of the sulphide ore-bodies continued into the USAwl1ichIle describes...for galena crystals seems to be the Madan ore-field in Bulgaria while smaller but sharp, silvery crystalson...from Weardale, another traditional source. As the ore-bodies were close to the surface there were no deep |  | | Book | | [ [ 23 I 1992 [ 65-128 65-136 65-128 1-96 GOLD-II] 1-112 MMEEā¢] 25 I 1994 1-80 ARIZONA-I] ...ARIZONA-Ill] 337--400 257-336 [ 257-320 [ [ GOLD-I ] 321--412 ARIZONA-V] 265-352 257-320 353-400...Alabama (by H. Barwood & B. Hajek) 9:388391 Notable gold occurrences of Georgia and Alabama (by R. B. Cook...ALLGOOD, GENNE MYERS --and R. W. Allgood, J. Pradenas: Gold occurrences in Tuolumne County, California 18:41-45...ALLGOOD, ROBERT W. -with G. M. Allgood, J. Pradenas: Gold occurrences in Tuolomne County, California 18:41-45 |
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