 | | Journal (article/letter/editorial) | | chunks of graphite-rich marble, broken fragments of quartz, and immature sandstone clasts that are not pieces...cavities within the breccia are typically rimmed with quartz around immature sandstone on the bottom and creamy...are partially cemented by calcite and dolomite or quartz, indicating that Figure 3. Dolomite with sulfides...crystals from the marble being included in the quartz, calcite, and dolomite crystals lining the gash...schalenohedral crystals. Associations of calcite with quartz were also more common in this vein. In both veins |  | 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) | | the Central Rhodopian Metamorphic Core Complex (Bulgaria-Greece) M. KAISER ROHRMEIER,1 A. VON QUADT,1,†...Ohridsk,” 15 Tsar Osvoboditel Bd., BG-1504 Sofia, Bulgaria 4 Research Institute “Geology and Geophysics...Geophysics,” 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...Introduction THE ALPINE-Balkan-Carpathian-Dinaride province is part of the Mesozoic to Miocene Tethyan metallogenic |  | 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) | | 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 Pb–Zn–Ag...Rhodopes to strongly fractionated shoshonitic (Bulgaria) to calc-alkaline and high-K calc-alkaline (Greece)...fault; Magmatism; Ada Tepe; Madan; Rhodope Massif; Bulgaria; Greece 1. Introduction For half a century, hydrothermal |  | | Journal (article/letter/editorial) | | COMMUNICATIONS CONTENT OF THE INCLUSION WATER MADAN, BULGARIA: PRELIMINARY FROM HYDROTHERMAL INVES TIGA TION...Chemistry,BulgarianAcademyof Sciences,1040 Sofia,Bulgaria Introduction taining the water samplewas placed...fluid inclusions in galenacrystalsfrom Madan, Bulgaria. ing zoneof the ampule.The systemwaspumpedout...Inclusionsin Mineral Samplesfrom the Madan Galenas,Bulgaria ..... :""•/ sampll I ...... \..... •"'--'•ll:•:•/////•...•"'--'•ll:•:•/////• r watlr Zn-powdlr Mineral Quartz Sample (1)••9 Galena S-77• S-110 G-12 0-252 0-252 Gr-275 |  | | 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...Pb-Zn ore deposits of the Madan ore district, Bulgaria, was studied both by optical microscopy in oriented...Madan ore district in the Central Rhodope Mts., Bulgaria, were sampled where well-developed sphalerite...Mogilata, Ossikovo, Shoumachevski Dol, Strashimir, and Erma mines. The crystals of the most widespread, non-transparent |  | | Journal (article/letter/editorial) | | from the Madan Pb-Zn deposits, Central Rhodopes, Bulgaria Rossitsa D. Vassileva & Radostina Atanassova &...Pb-Zn deposits of the Madan ore field, southern Bulgaria. Unusually large compositional variations and...Sciences, Acad. G. Bonchev Str. 24, 1113 Sofia, Bulgaria e-mail: rosivas@geology.bas.bg K. Kouzmanov Department...CH-1205 Geneva, Switzerland ores in southern Bulgaria (Laki, Davidkovo, Ardino, Enyovche, and Madan...which defines the region as an important Pb-Zn ore province (Andrew 2003) and one of the most significant |  | | Journal (issue) | | area where most Arkansas minerals occur, with most quartz, localities, Rush. Magnet Cove .• etc.. only $14...eRhodope Mountains, Bulgaria: Locality Information .. _ Along with information on the quartz Japan law twins...September Mine Calcite, chalcopyrite, galena, quartz, sphalerite, etc. Krushov dol Mine Calcite, chalcopyrite...galena, manganocalcite, quartz, sphalerite Ianakiev Mine Chalcopyrite, galena, quartz, sphalerite, etc. ...Doi Mine Galena, quartz, sphalerite Mogi lata Mine Chalcopyrite, galena, quartz, sphalerite Pechisnko |  | | Journal (issue) | | nouveau minéral, la wassonite 9-10 Des cristaux de quartz pour comprendre les séismes 11 Découverte d'une...tot 3 centimeter groot uit de Androvo mijn in Erma Reka - alles éénmalige exemplaren en op de kop getikt...de Broken Hill mijn in Aggeneys, Northern Cape province, RSA: weliswaar niet nieuw maar toch nog altijd |  | | Journal (issue) | | 433 by B. Smith Minerals of the Madan Orefield, Bulgaria .....................................439 by S...transgressive vuggy veins of calcite, chalcopyrite and quartz. Innes and Chaplin (1986) described a rare assemblage...Pyrochroite Pyrolusite Pyromorphite Pyrophyllite Quartz PbMn+2(V 04)(OH) Mn+2(OH)2 Mn+40 2 Pb5(P 04)3Cl...introduction to the mineralogy of Ontario’s Grenville province. Mineralogical Record, 13, 71-86. RUSSELL, A....Natural History Boulevard Ruski, No. 1 Sofia 1000, Bulgaria During thelast few years, many fine specimens |  | | Journal (issue) | | crystal cluster, 7.3 cm, from near Bapu, Guangdong Province, China. Rob Lavinsky specimen, now in the Tom...turquoise crystals on either a mica schist or a white quartz breccia recovered from the dumps of this small...penetrated schist and also a brecciated zone of white quartz; breccia specimens are commonly cemented by turquoise...specimen consists of irregular fragments of glassy quartz which are in part cemented together by thin veins...fragments of the glassy quartz. The turquoise, with its many included quartz fragments, polishes well |  | | Catalog/List | | been replaced by minerals, usually a silicate like Quartz. he original structure of the plant is retained...El Moyano, Puerto Deseado District, Santa Cruz Province, Argentina 12.00 x 10.75 x 1.62 inches (30.48...Formation Junggar Basin, Qitai County, Xinjiang Province, China 30.00 x 19.50 x 1.00 inches (76.20 x 49...Peachy and mauve red hues on glossy surface. Visible Quartz cluster on coloful example. Big and striking. Estimate:...Jaingjunmiao, Junggar Basin, Qitai County, Xinjian Province, China 28.50 x 21.75 x 1.00 inches (72.39 x 55 |  | | Journal (issue) | | Sao Paulo, SP, BRASIL. E-mail, datencio@usp.br Bulgaria: Prof. Ivan Kostov, National Natural History Museum...Sciences, Boulv. Tsar Osvoloditel 1000, Sofia, BULGARIA. E-mail: rikostov@staff.mgu.bg Canada: Mr. A....Green River (WY) $10 v.9/#6 Libethenite (Zambia), Quartz & Pyrite (WA), Hydroboracite (CA) $10 v .ll/#l...Sperrylite, Mullica Hill $10 v.l3/#4 Diamond (CO), Quartz (MT), Jeanbandyite. Bancroft (Ont.) $10 v.15/#6...Forms $10 v,10/#3 Taewha mine (Korea) Japan Twins (Quartz), Bancroft (Ont.), Franklin $10 v.ll/#6 Broken |  | Schmid, Stefan M., Fügenschuh, Bernhard, Kounov, Alexandre, Maţenco, Liviu, Nievergelt, Peter, Oberhänsli, Roland, Pleuger, Jan, Schefer, Senecio, Schuster, Ralf, Tomljenović, Bruno, Ustaszewski, Kamil, van Hinsbergen, Douwe J.J. (2020) Tectonic units of the Alpine collision zone between Eastern Alps and western Turkey. Gondwana Research, 78. 308-374 doi:10.1016/j.gr.2019.07.005 | Journal (article/letter/editorial) | | re 1:500,000 geological map is available for Bulgaria (Cheshitev et al., 1989), and detailed maps on...the CarpathoBalkan orogen of eastern Serbia and Bulgaria that either lacks a pronounced foredeep or exhibits...tectonic window in the Kraishte area of western Bulgaria (Struma unit: Kounov et al., 2010) and in the...together with the Strandja unit of southeastern Bulgaria and western Turkey (Okay et al., 2001) we na...et al., 2017). In the Kraishte area of eastern Bulgaria the largest part of the Getic nappe system ur |  | | Catalog/List | | Iron. When Gold occurs with a matrix rock like Quartz, a specific gravity test is often performed to...exquisite formations often on top of matrix rock likely Quartz. Gold nuggets are typically valued at some multiple...nugget with “dirty” pockets of brown and white Quartz. This winner displays several broad surfaces of...aesthetic character, this piece features “dirty” brown Quartz visible in its multiple cavities. A unique long...2017 | 3:00 PM CT 19 ARIZONA 72036 Gold in Quartz Dos Cabezas (Two Heads) District Dos Cabezas Mts |  | | Report (Issue volume) | | Albania, Hungary, Czechoslovakia, Romania, and Bulgaria); and the U.S.S.R. fourth (FRG), fifth (France)...1990, and Czechoslovakia, Poland, Hun- gary, and Bulgaria found themselves “granted” national independence...Planned Economies: Eastern Europe Albania 40 Bulgaria NO 32 k= 480 Czechoslovakia 3 26 — 12 —...Centrally Planned Economies: Eastern Europe Albania Bulgaria Czechoslovakia = 55 8 9 German Democratic ...construction materials (common clay, olivinite, quartz, titanomagnetite, sand, gravel, and stone) are |
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Gyudyurska mine, Erma Reka, Zlatograd Municipality, Smolyan Province, Bulgaria