 | | Journal (article/letter/editorial) | | lomu Prachovice, Česká republika Sulfide mineralization from the limestone quarry Prachovice, Czech Republic...jiri_sejkora@nm.cz 2) Vodní zdroje Chrudim, spol. s r. o., U Vodárny 137, 537 01 Chrudim Sejkora J, Smutek D, Malíková...(2017) Sulfidická mineralizace z vápencového lomu Prachovice, Česká republika. Bull Mineral Petrolog 25(2):...III. level of active limestone quarry Prachovice (eastern Bohemia, Czech Republic) in 1980 year are given...given in this paper. The published occurence of geocronite was confirmed but this mineral phase is only |  | Sejkora, Jiří, Števko, Martin, Pršek, Jaroslav, Hovorič, Róbert, Makovicky, Emil, Chovan, Martin (2021) Unique Association of Sulphosalts from the Kľačianka Occurrence, Nízke Tatry Mts., Slovak Republic. Minerals, 11 (9) 1002 doi:10.3390/min11091002 | Journal (article/letter/editorial) | | Kl’ačianka Occurrence, Nízke Tatry Mts., Slovak Republic Jiří Sejkora 1, *, Martin Števko 2 , Jaroslav...Kl’ačianka Occurrence, Nízke Tatry Mts., Slovak Republic. Minerals 2021, 11, 1002. https://doi.org/10.3390/...Cirkusová 1740, 193 00 Praha 9—Horní Počernice, Czech Republic Earth Science Institute, Slovak Academy of...Kl’ačianka occurrence, Nízke Tatry Mts., Slovak Republic. It is bound to thin hydrothermal veins with Sb...rouxelite, chovanite, semseyite, boulangerite, geocronite, tintinaite (with low Bi contents), tetrahedrite-(Fe) |  | | Report (issue) | | the Jeffrey mine in Quebec; Ontario’s Flamboro quarry and Liscombe deposits; the very far north’s Pine...orange-yellow fluorite from Ontario’s Flamboro quarry. For some of these specimens you may click on “collecting...analcime from St.-Hilaire argues for why this great quarry complex should probably be called the world’s finest...the safflorite-coated silver from the old Cobalt District of Ontario is a nice old-timer: identical-looking...======= Analcime, 3.6 cm, from the Poudrette quarry, St.-Hilaire, Québec, Canada. Quebul Fine Minerals |  | Pfaff, Katharina, Hildebrandt, Ludwig H., Leach, David L., Jacob, Dorrit E., Markl, Gregor (2010) Formation of the Wiesloch Mississippi Valley-type Zn-Pb-Ag deposit in the extensional setting of the Upper Rhinegraben, SW Germany. Mineralium Deposita, 45 (7) 647-666 doi:10.1007/s00126-010-0296-5 | Journal (article/letter/editorial) | | sphalerite, galena, pyrite, sulfosalts (jordanite and geocronite), barite, and calcite in the Middle Triassic...of the pore and fracture fluid residing in the limestone aquifer, which had a pH between 8 and 9 in equilibrium...due to the presence of organic matter in the limestone. Mixing between these two fluids resulted in a...Wiesloch MVT deposit occurs in Middle Triassic limestone (Muschelkalk: Figs. 1a, b, and 2), in a carbonate...246 to 229 Ma ago (Hagdorn and Simon 2005). The limestone is dominated by tempestites and highenergy sedimentation |  | | Journal (issue) | | micromounter. Following her first visit to that famous quarry in the mid-1960’s, she missed few opportunities...River, which drains a large mountainous area. The region is renowned for its scenery, lakes, alpine meadows...northwest of Highway 99. During the colder months the region is covered by a meter or more of snow, restricting...............4. Celestite................ 5.. Geocronite..............3.. Miargyrite............. 2.....accompanied by argillites, conglomerates and minor limestone (now marble) which have been assigned to the Lower |  | | Journal (article/letter/editorial) | | Abstract Systematicchangesin As/Sb valuesof geocronite(Pb2s(As,Sb)•2S40)establishzoning patternsin the...consistentwith those derived from Pb/Zn and Ag/Pb ratios. Geocronite coexists at Huachocolpa with two other lead sulfosalts...dependenceof these tie lines such that a given geocronite coexists with veenite increasinglyenriched in...as temperature increases. Introduction to a geocronite samplewith an As/(As + Sb) value of 0.33. The...summarized Sb) is given by the equation' in Table 1. Geocronite(Pb28(As,Sb)•2S46)is the As (As/Sb) •sostructural |  | | Journal (issue) | | JANUARY–FEBRUARY 2024 Articles The Berbes Fluorite District, Asturias, Spain................................discharge, in New York City’s famous meatpacking district, becoming a production manager for Edmund Mayer...names too, those now long since lost.) Although the region may have had a short history of working, the endeavors...amethyst. Despite the demand for specimens, the region is remote and the landscape challenging. Over time...It exhibits all the most desired traits from the region, all in one specimen—a culmination of perfection |  | | Book (edition) | | grey, similar to molybdenite; 32.75 very weak Geocronite Zinckenite Semseyite Cuprorhodsite pronounced...Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey (sample: Halbach); XPL If marked in description... Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia (sample: Melcher/Oberthür); PPL D Fine-grained...grey); Himmelsfürst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge, Sachsen, Germany (sample: Seifert);...quartz (dark grey); New Bullfrog Mine, Bullfrog District, Nye Co., Nevada, USA (sample: Witzke); PPL If |  | | Book (edition) | | Lorandite II/E.15-10 482 Jordanite II/E.15-20 484 Geocronite II/E.15-30 486 Gratonite II/E.15-40 488 Meneghinite...(brownish pleochroism), silicates (dark grey); Basalt Quarry Bühl near Kassel, Germany [j]; Nic. // C Iron (dark...(brown and multicolour internal reflections); Basalt Quarry Bühl near Kassel, Germany [j]; Nic. + 20 Iron...iron (light grey), silicates (dark grey); Basalt Quarry Bühl near Kassel, Germany [j]; Nic. // B Schreibersite...silicates (brown internal reflections); Basalt Quarry Bühl near Kassel, Germany [j]; Nic. + 34 Schreibersite |  | | Journal (article/letter/editorial) | | Douglass, R. M., Murphy, M. J. and Pabst, A. Geocronite 908 D r a k e ,C . L . . 349 D u f f i n ,W ...North 395 U.S.S.R. (Efremov) (Douglass, Murphy' Geocronite Pabst). Geologic age measurements' 908 rela-...observations at sea, part I: The Bahamas Island region (Worzel, Ewing, Drake). 349 Green, J. 331 Grim...inWhewellite from a septarian 750 dices of (Kedesy). limestone concretion in marine L a u e i t e( S t r u n...to the metamorphic history of the Spruce Pine district, North (Brobst, PolderCarolina. 317 vaart, Kulp) |  | | Catalog/List | | A~GLESITE. 8. ATACAMITE. Copiapo, Atacama District, Chile. Rich, very dark, blackish green, bladed...If.xlt". f.l. 50. 9. AZURITE. Moldawa, Banat District, Hungary. Small, bright, blue sharp sparkling...£13.00. 15. BROCHANTITE. Mammoth Mine, Tintic District, Utah, U.S.A. Bright, deep green, small sharp...Pearce in 1903. 2-!;-xl~-". £8.00. CALCITE. Machen Quarry, Rudry, Glamorgan. Sharp, composite, translucent...head" crystals to 1" in size, richly encrusting Limestone matrix. The specimen displays well. 3>}x3x2". |  | | Journal (article/letter/editorial) | | atomic proportions, %, of mineral identified as geocronite Composition Atomic proportions Sample Hg...measured. Number of atoms in mineral formula of geocronite = 43. Element 1 (Pb) : 0.321 ´ 43 = 13.81. Element...white). Sample 97203 the dark grey silicifed limestone host rock. Getchellite is formed when the As :...1. Assemblage 2: Pb–As–Sb sulphosalt minerals Geocronite (Pb14(Sb,As) 6S23) was first observed under a...the stoichiometry of this mineral (Table 2). Geocronite occurs mainly as anhedral crystals in close association |  | Kesler, Stephen E., Russell, N., Seaward, M., Rivera, J., McCurdy, K., Cumming, George L., Sutter, J. F. (1981) Geology and geochemistry of sulfide mineralization underlying the Pueblo Viejo gold-silver oxide deposit, Dominican Republic. Economic Geology, 76 (5) 1096-1117 doi:10.2113/gsecongeo.76.5.1096 | Journal (article/letter/editorial) | | Pueblo Viejo Gold-Silver Oxide Deposit, Dominican Republic S. E. I•SLEa, Departmentof GeologicalSciences...A., Apartado Postal944, SantoDomingo,Dominican Republic G. L. CUMMING, Department of Physics,Universityof...argentitc, colusite, tetrahedrite-tennantite, geocronite, galena, and tellurides containing gold, silver...Nicaragua. 1096 Au-Ag OXIDE DEPOSIT, DOMINICAN REPUBLIC 1097 Introduction administered by Rosario Resources...with a reserve of approxithe central Dominican Republic is one of the mately 27 million metric tons of |  | | Journal (issue) | | developm ent and m ineralogy o f this reknowned region o f the Kola Peninsula by Dr. Igor Pekov. Hardcover...approximately 195 km east-northeast of Budapest. This region is characterized by low (200-300 meter-high) rounded...concentration plant, and many small coal mines in the district. During its operation, the mine was the tow n’s...meaning ore in many Slavic languages including Czech, Slovak and Polish. Some historians are of the opinion...12th or 13th century by transplanted Bohemian (Czech) miners. Many of these miners migrated to Ruda and |  | | Book | | series of calcium and magnesium silicates. a. LIMESTONE CONTACT ZONE (Skarn) Grossularite, andradite,...stromeyerite, andorite, antimony, dyscrasite, geocronite, polybasite, freibergite, tetrahedrite, pyrite...calcite, quartz, pyrite c. MAGNESITE, DOLOMITE, LIMESTONE AND GYPSUM DEPOSITS Magnesite, dolomite, calcite...are frequently amygdaloidal. Peculiar reddish limestone lenses occur within these flows and host a type...margins of the intrusions. In the Slate Creek District, near Harts Pass, native gold and tellurides |  | | Journal (issue) | | .................................. Quiruvilca district, Santiago de Chuco province, department of La.................................... Pasto Bueno district, Pallasca province, department of Ancash R a u............ Raura district, Cajatambo province, department of Lima Pachapaqui district, Bolognesi province...province, department of Ancash Huallanca district, Dos de mayo province, department of Huanuco Huanzala mine...Uchucchacua district, Dos de mayo province, department of Huanuco Hercules mine, Ticapampa district, Recuay |  | | Journal (issue) | | descriptions. HISTORY Marble quarrying in the Carrara region began over 2000 years ago, following the Roman...-A u g u st, 1987 263 Figure 1. La Facciata quarry. Bracci photo. Roman conquest of the Apuan territory...Figure 4. Geology of the Carrara area. cherty limestone, radiolarites, calcschists, phyllites marble ...Jurassic in age and is composed of very pure limestone having a typically saccharoidal texture due to...stacked one over the other by overthrusts, are: 266 quarry phase all of the pre-existing structures were |  | | Book | | GALENA : Sub -species of - Cinnamon stone. GEOCRONITE { Lead 66.83 Antimony Sulphur 16.65 16:52...Antimony : KERMES Oxygen : { = Sulphur : See Geocronite. KILLINITE : 49.88 Silica Alumina 27.68...Vincent.) Argentite. Kerate. Silver. ( Terrace Hill quarry ., Axinite. Devonian Slate. Cuprite. Jamesonite...Baryte. Calcite . Fahlerz. Pyrite. ( Looe Mills Hill quarry .) Anatase. Serpentine. Actinolite. Amianthus....CUMBERLAND . Alston Moor. Millstone Grit and Mountain Limestone. Aragonite. Baryte. Calamine. Chessylite. Calcite |  | | Journal (article/letter/editorial) | | of Sciences of the Czech Republic, Na Slovance 2, CZ-182 21 Praha 8, Czech Republic *Corresponding author...Museum, Cirkusová 1740, CZ-193 00 Praha 9, Czech Republic Key-words: cronstedtite; 1:1 layer silicate;...example of non-MDO polytype (6T2 from Pohled, Czech Republic) was described in details including the structure...deposit) near Nižná Slaná, Rožňava County, Slovak Republic. The abandoned Manó siderite deposit is located...Palaeozoic rocks of the Gemeric Superunit. Carbonate (limestone, siderite, ankerite) bodies are developed in the |  | Epp, T., Walter, B. F., Scharrer, M., Lehmann, G., Henze, K., Heimgärtner, C., Bach, W., Markl, G. (2019) Quartz veins with associated Sb-Pb-Ag±Au mineralization in the Schwarzwald, SW Germany: a record of metamorphic cooling, tectonic rifting, and element remobilization processes in the Variscan belt. Mineralium Deposita, 54 (2) 281-306 doi:10.1007/s00126-018-0855-8 | Journal (article/letter/editorial) | | Sb-(Pb-Ag±Au-W-Sn-As-Zn) deposits (e.g., Dúrico-Beirã region, Portugal, Neiva et al. 2008; Bournac deposit,...Sardinia (Italy), and some regions in Slovakia, Czech Republic, Spain, Portugal, Austria, and Great Britain...localities in the Schwarzwald, a well-known mining district in the Variscan Orogen. Interestingly, the otherwise...Cretaceous sedimentary rocks are lacking in the region. Since the initiation of rifting in the Upper Rhine...Badenweiler Sample Locality Middle Triassic Limestone 51 Variscan Magmatite Schönau Variscan Migmatite |  | | Journal (article/letter/editorial) | | hosted in hydrothermally leached Miocene reefal limestone in the Takab geothermal field, which is part of...hydrothermal system of the Takab region in northwestern Iran. This region hosts an active geothermal field...prospects in the Cenozoic volcanic rocks of the region. Agdarreh is being mined by the Zarcan Company...fine-grained detrital sediments with marl, tuff and limestone that is locally reefal. The gold deposit at Agdarreh...2000). Pliocene basalts occur south of the Takab region (Bidjar area) and have locally covered old riverbeds |  | | Journal (article/letter/editorial) | | the Kuranakh gold deposit of the Central Aldan region. These findings confirmed the suggestion of Yablokova...the Lower–Middle Paleozoic carbonate sequence (limestone, sericite–chlorite schist, and dolomite) cut through...electrum Marcasite, diaphorite, owyheeite, luzonite, geocronite, enargite, kesterite, zinc nekrasovite, native...hessite, owy heeite, diaphorite, acanthite, geocronite, enargite, Znbearing nekrasovite, kesterite...minerals of the assemblage are tennantite, luzonite, geocronite, and galena; they occur as impregnations in the |  | | Report (issue) | | (Madoc, Canada); in a hydrothermal deposit in limestone, replacing pyrite and sphalerite, with other Pb–As–Sb...antimonian baumhauerite, zinkenite, semseyite, geocronite, robinsonite (Madoc, Canada); sphalerite, pyrite...Northern Belle and Lucky Strike mines, Candelaria district, Mineral Co., Nevada. From Novoye, Khaydarkan |  | | Book | | extraordinary influence to several generations of Czech and Slovak mineralogists and mineral collectors...long were also found in Pribram and Jachymov, Czech Republic. Dendritic aggregates from Batopilas, Chihuahua...mm (4 in) was made in Krepice near Vodnany, Czech Republic. Application: practically the only source of...California, Terlingua, Texas, USA; Dedova hora. Czech Republic and Rudnany, Slovakia as droplets and liquid...Sweden; Les Chalanches. France and Brezina. Czech Republic. Lead Pb cubic • • Moschellandsbergite |  | | Journal (issue) | | inclusions in Chinese quartz • Quarterly Crystal: Geocronite in fluorite 232 Colored Stones Unearthed Gemstones...Sudarat Saeseaw San Diego, California Prague, Czech Republic Bangkok, Thailand Edward W. Boehm Dorrit...rare volcanic glass found only in the Glass Buttes region of Oregon. Lastly, we invite you to join the G&G...recorded in the ultraviolet/visible/near-infrared region contained characteristic bands at 369, 381, 475...in the Thong Nhat district of Dong Nai Province (figure 3) in the southeast region of GEMS & GEMOLOGY |
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Limestone quarry, Prachovice, Chrudim District, Pardubice Region, Czech Republic