 | | Journal (issue) | | Mineral & Gem Show 26 The Minerals of Vale Road Quarry Nottinghamshire D.I. Green,J.C. Spencer 28 For...Reserves are estimated ~t 18 million tonnes. The quarry can only be worked for 6 months of the year, due...personal observations. LOCATION TOULOUSE Timouns quarry can be reached from the route nationale number...Lordat. There is a good private road to Trimouns quarry which is at an altitude of 1800m on the side of...last visit some of the Moroccan employees at the quarry were selling minerals from their homeland to French |  | | Journal (article/letter/editorial) | | Novosedly Ć ebanov lda 20 km ÄeskĂœ Krumlov Austria Mo N ath oli th ÄeskĂ© BudÄjovice Fig. 1...co-ordinates is given in Tab. 1. 3.1. Pacova hora quarry near ChĂœnov The Moldanubian Zone is a heterogeneous...and the Mesoproterozoic Dobra gneiss in Lower Austria (Gebauer and Friedl 1994; Friedl et al. 2004)....diopside (Figs 4â5). Relations of rock types in the quarry were characterized by Orlov (1931), geology of...broader area by Suk et al. (1977), mineralogy in the quarry and nearby caves by Litochleb et al. (1997, 2004) |  | | Journal (issue) | | Bastnas Mines, Riddarhyttan Ore Field, Bergslagen District, Vastmanland, Sweden ........... 187 by L. Ohman...Pierre-Nicolas Schwab Orleans , France The Trimouns Quarry, Luzenac, Ariege, France ........................RECORD COVER: (center) ALLANITE(Ce) crystal, 6 mm; (upper right) PARISITE-(Ce) crystal, 5.5 mm; (lower left)...IIMORIITE-(Y) crystal, 2 mm-All from the Trimouns talc quarry near Luzenac, France (see the article beginning...BASTDAS ffiIDES RIDDARHYTTAD ORE FIELD, BERGSLAGED DISTRICT, VASTffiADLADD, SillEDED Lennart Ohman Hi:igviltsvagen |  | | Journal (issue) | | creeks of the South Platte River, opening the Alma district in 1861. Engraving by Paul Frenzeny and Jules...Geology Geology of the Sweet Home mine and Alma district......................... 101 by Dean Misantoni...are rummaging through the halls of the Executive Inn during the Tucson Show looking for that elusive bargain...Alma mining district on the eastern slope of central Coloradoâs M osquito Range. The district, near the...Mount Bross, 4.5 miles west of Alma. The Alma district opened in 1861 when prospectors, in one of the |  | | Journal (article/letter/editorial) | | The Trimouns Quarry Luzenac, AriĂšge, France Freddy Marty Rue de lâHĂŽpital 11230-Chalabre France In recent...recent decades, the Trimouns quarry has become well known as a source of outstanding crystals of several...reference to the three peaks that overlook the quarry. Langue dâOc is a regional language of Latin The...LittĂ©raires et Industrielles de lâAriĂšge. In 1905 the quarry was acquired by the SociĂ©tĂ© des Talcs de Luzenac...producer of talc at 1.3 million tonnes per year. The quarry employed some 100 workers at the beginning of the |  | | Book (edition) | | trisocta- silver hedron trisocta- gold platinum galena hedron halite for tetragonal Jor rhombic- ...Z-axis which shows how, in the passage from the upper form to the lower, the silicon atoms are more symmetrically...Boron Barium Bi Bismuth Berkelium Bromine Symbol Am Bk Br C Ca Cd Ce Cf Silver Beryllium Carbon...halides (fluorite) and a large number of sulfides (galena, sphalerite, chalcopyrite, stibnite, pyrite, etc...collector in the field should visit are mine dumps and quarry rubble heaps, where there will always be the odd |  | Voudouris, Panagiotis, Melfos, Vasilios, Mavrogonatos, Constantinos, Photiades, Adonis, Moraiti, Eugenia, Rieck, Branko, Kolitsch, Uwe, Tarantola, Alexandre, Scheffer, Christophe, Morin, Denis, Vanderhaeghe, Olivier, Spry, Paul G., Ross, James, Soukis, Konstantinos, Vaxevanopoulos, Markos, Pekov, Igor V., Chukanov, Nikita V., Magganas, Andreas, Kati, Marianna, Katerinopoulos, Athanasios, Zaimis, Stefanos (2021) The Lavrion Mines: A Unique Site of Geological and Mineralogical Heritage. Minerals, 11 (1) 76 doi:10.3390/min11010076 | Journal (article/letter/editorial) | | Kristallographie, UniversitĂ€t Wien, 1090 Wien, Austria; branko.rieck@live.at Mineralogisch-Petrographische...Abteilung, Naturhistorisches Museum, 1010 Wien, Austria; uwe.kolitsch@nhm-wien.ac.at FacultĂ© des Sciences...number of different elements of any known mining district. The local geology, tectonic, and magmatic activity...exploitation, this mining district contains more minerals than any other district on Earth. Accepted: 11...stand point, secondary minerals from the Lavrion district are famous, not only with respect to their color |  | | Report (volume) | | Geology and Ore Deposits of the Freeland-Lamartine District, Clear Creek County, Colorado GEOLOGICAL SURVEY... Geology and Ore Deposits of the Freeland-Lamartine District, Clear Creek County, Colorado By J. E. HARRISON...____________________ 73 Production from the district.___________________________________ Classification...Geologic map and section of the Freeland-Lamartine district. Vertical projection along the Lamartine-Great...showing the location of the FreelandLamartine district with reference to the Front Range highland and |  | | Report (issue) | | Ore Deposits of the· Kokomo-Tenmile District, Colorado By M. H. BERGENDAHL and A. H. KOSCHMANN . I..._____________________________ _ Migmatite ________________________________ _ Pink migmatite ____________________________...___________________________ _ Pyrite-sphalerite-galena veins ________________ _ Ore bodies-----------...Page PLATE 1. Geologic map of Kokomo-Tenmile district------------------------------------------------------...pocket FIGURE 1. Index map of Kokomo-Tenmile district ___________________________________________________________ |  | | Journal (article/letter/editorial) | | subsequent granitic magma emplacement into the middle to upper crustal levels. Simultaneously, large-scale shear...It is usually subdivided into the lower crustal/upper mantle Gföhl Unit with numerous occurrences of HPâHT...(MoravoâMoldanubian) branches joining in the Waldviertel area (Austria). The eastern branch forms a NNEâSSW trending domal...extends from ÄeskĂœ Brod E of Prague to Linz in Austria. On a regional scale, it belongs to a set of conjugate...(Moldanubian) rocks and primary magmas derived from an upper mantle source (KoĆĄler et al. 2001; VrĂĄna and JanouĆĄek |  | 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) | | most important exploration targets today are the upper parts of volcanic-hosted polymetallic epithermal...major tectonostratigraphic complexes, the GneissâMigmatite Complex and the Fig. 2. Schematic geological...and upper plates of interpreted extensional core complexes (Wernicke, 1981). The GneissâMigmatite Complex...Liati and Gebauer (1999) with the upper unit. The Gneissâ Migmatite Complex is dominated by orthogneisses...marbles and amphibolites located mainly in its upper parts. Partially amphibolitized eclogites have been |  | Thompson, Woodrow B., Bearss, Gene T., Falster, Alexander U., Simmons, William B., Nizamoff, Jams W. (2000) The Estes Quarry, Cumberland County, Maine: A New Pegmatite Mineral Locality. Rocks & Minerals, 75 (6) 408-418 doi:10.1080/00357520009605667 | Journal (article/letter/editorial) | | A New Pegmatite M ineral Locality T he Estes quarry in southwestern Maine exposes a granite pegmatite...mineralized pegmatites in Maine and New Hampshire. The quarry has yielded fine specimens of eosphorite, fairfieldite...and vivianite. Locrtlon and Hlstory The Estes quarry is located on Route 5 in West Baldwin, Cumberland...Contractors of West Baldwin. This is a working quarry with high rock walls and unstable boulder piles...for permission. Prior to the opening of the Estes quarry, a gravel pit was being worked at the base of the |  | | Report (issue) | | pyrrhotite, arsenopyrite, chalcopyrite, sphalerite, galena, molybdenite, tellurides, selenides, magnetite...------Bornite, CusFeS, Germany, Mansfeld -------------Galena, PbS South Africa -------------------Clausthalite...1001,000 South Africa: Transvaal, Rustenburg district __ <.5 Stannite, CusFeSnS, England, Cornwall...Merensky Horizon on Schildpadnest, Rustenburg district. Content of other elements: Cu, Co about 0.1 percent;..._____ 1 1()..-100 .5 South Africa, Rustenburg district, Transvaal --------------------- 1.0 Pestarena |  | 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) | | Salzburg, Hellbrunnerstr. 34, A-5020 Salzburg, Austria 3 Department of Mineralogy, Petrology, and Economic...now embedded within a much wider orogenic belt of Upper Cretaceous to Cenozoic age, composed of ophiolites...Undifferentiated Mesozoic rocks nS Gneiss-migmatite complex (Drama window) nea Upper CretaceousCenozoic granites...granites rra Gneiss-migmatite complex (Central Rhodopian, Kesebir and Bjala reka dome) S ERE ND ME ASSIF M...with the largerscale attribution of units to the upper and lower plate of the Rhodopes by Burg (2012). |  | | Report (issue) | | S. Geological Survey personnel of the various district offices. Each precipitation sample represents...Recent data and results a symposium in Vienna, Austria, May 3-10, 1961: Tritium in the Phys. and Biol...thrust sheet consists of upper Precambrian schist, gneiss, amphibolite, migmatite, and granitic rock formed...Precambrian granitic rocks and migmatite and a thick sequence of upper Precambrian sedimentary and volcanic...Thrust fault Strike-slip fault Plllllil Teeth on upper plate , Arrows show direction of rslative movement |  | | Journal (issue) | | ELBAITE crystal, 7.3 cm, from the Alto Ligonha district, Mozambique. American M useum of Natural History...by Jackie Beckett and Olivia Bauer courtesy of the AM NH. Visit our Website: www.MINREC.org The Mineralogical...Anjanabonoina pegmatite, 20:191-200 MALAWI Zomba district, 25:29-35, 38 MOROCCO Bou-Azzer, 9:69-73 Toussit...Museum for Tsumeb, 10:116-118 The Onganja mining district, 27:85-97 The Otavi Mountain Land, 28:109-130...Manganese Field, 9:137-153 The Messina mining district, 22:187-199 The Palabora mine, 22:255-262 The |  | | Report (issue) | | _---_-__-_--__________-____________--. History of the district-______________________________ General geology...Geologic map of the lower level and part of the upper level of the Katie Emmett mine---.___-------_-------Section..._-_-__-_--_----------------Geologic map of the upper level of the West Gold mine________.__-____-___...granite gneiss and pegmatite locally forms a migmatite with the biotitic metasedimentary rocks. These...units, or preexisting joints. The veins in the district are typical mesothermal fillings of fault fissures |  | | Book | | Hartenstein Germany a.hiller@wismut.de Dr. Manfred Schauer Am Hexenberg 8 09224 Chemnitz Germany GĂŒnter Schenke...FlorastraĂe 17 09131 Chemnitz Germany Udo Zimmermann Am See 16b 01796 Pirna Germany ISBN: 978-3-540-78553-8ââââISBN...Hruby (Czech Republic), E. Kirchner (Austria), B. Kirchner (Austria), J. KomĂnek (Czech Republic), I. Bojkov.... . . . . . . . . . . . . . . . . 1 Chapter 1 Austria . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . 2.1.1 Bukhovo District .. . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | University of Graz, UniversitĂ€tsplatz 2, 8010 Graz, Austria Present address: Geoscience Center, Georg-August-University...5020 Salzburg, Austria 4 Department of Hard Rock Geology, Geological Survey of Austria, Neulinggasse 38...Vienna, Austria 5 NAWI Graz Geocenter, University of Graz, HeinrichstraĂe 26, 8010 Graz, Austria e-mail:...âŒ35 km subsequently followed by the ITD to the upper/middle crustal level (âŒ15 km depth). The PâT evolution...strong, late-Variscan, LPâHT metamorphism. Rare migmatite varieties hosting garnets record detailed information |  | Scheffer, Christophe, Tarantola, Alexandre, Vanderhaeghe, Olivier, Voudouris, Panagiotis, Spry, Paul G., Rigaudier, Thomas, Photiades, Adonis (2019) The Lavrion Pb-Zn-AgâRich Vein and Breccia Detachment-Related Deposits (Greece): Involvement of Evaporated Seawater and Meteoric Fluids During Postorogenic Exhumation. Economic Geology, 114 (7) 1415-1442 doi:10.5382/econgeo.4670 | Journal (article/letter/editorial) | | formation of ore deposits in the Lavrion Pb-Zn-Ag district was associated with Miocene detachment that accommodated...nappes across the ductile-brittle transition. This district consists of (1) low-grade porphyry Mo style, (2)...rheological, and thermal boundary separating an upper crust dominated by the percolation of meteoric,...of various ore deposits is the Lavrion Pb-Zn-Ag district (Greece), located along the western boundary of...Hellenic-Aegean orogenic belt (Fig. 1A). This district is relatively unique in that four styles of mineralization |  | Epp, T., Walter, B. F., Scharrer, M., Lehmann, G., Henze, K., HeimgĂ€rtner, 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) | | times due to mixing of high-salinity, mid- and upper-crustal fluids (up to 27 wt% NaCl+CaCl2) with homogenization...in the Jurassic-Cretaceous. The formation of the Upper Rhine Graben during the Tertiary reactivated especially...in Slovakia, Czech Republic, Spain, Portugal, Austria, and Great Britain (e.g., Walenta 1957; Clayton...localities in the Schwarzwald, a well-known mining district in the Variscan Orogen. Interestingly, the otherwise...and gypsum-bearing sediments followed during the Upper Triassic (Keuper) and further carbonates and shales |  | | Book | | Activity, 59 60 55 xii CONTENTS Chapter 4 UPPER PALEOZOIC by D. J. Gobbett NORTHWEST MALAYA,...Formation, Gunong Pulai member, 104 MIDDLE AND UPPER TRIASSIC, 97 101 103 106 144 Fossils and Age...Panjang member, Kodiang Limestone, 120 Middle to Upper Triassic Granite, Synthesis, 121 76 Summary, ...Petrography, UPPER PALEOZOIC TO LOWER MESOZOIC 187 GRANITE, Epizone, 185 209 Lower Paleozoic, 209 Upper Paleozoic...TO Petrology of the Intrusive Rocks, ACTIVITY Upper Perak-Grik Area, Selangor, JURASSIC Petrology |  | | Journal (article/letter/editorial) | | particular, the paper of Professor E. F. Stumpfl (Austria) was devoted to a comparative description of the...monomineralic scheelite zone, 1 m thick, and in the upper part, there are lens-like segrega tions up to 10...of Orsdalen, Southern Norway (33). 1 - Hiadal migmatite series; 2 - granitized gneisses; 3 - Orsdal charnockite...sulfides (arsenopyrite, pyrrhotite, sphalerite, galena) and with native bismuth. Tungsten mineralization...Most of the deposits have been localized in the upper Proterozoic Seara formation, which consists of mica |  | | Report (edition) | | Corriesâ towards Aonach Beag (1234 m), Glen Roy district, Lochaber. The frostshattered exposures in the...of the Grampian Caledonides: Central Highland Migmatite Complex; Grampian Group; Appin Group; Argyll Group;...Lower Old Red Sandstone; Middle Old Red Sandstone; Upper Old Red Sandstone 155) 11 Carboniferous 166...of folds Distribution of the Central Highland Migmatite Complex Lithostratigraphical units in the Grampian...Grampian Highlands Probable correlation of the Upper Old Red Sandstone in the NairnâElgin 151 156 158 |  | | Report (issue) | | thrust sheet consists of upper Precambrian schist, gneiss, ampnibolite, migmatite, and granitic rock formed...Precambrian granitic rocks and migmatite and a thick sequence of upper Precambrian sedimentary and volcanic...MAP Thrust fault Strike-slip fault Teeth on upper plate . Arrows fkow direction qf relative movement...underground on two levels by an adit and slopes from the upper level. The workings underlie an area about 3,700...originated by differentiation from Precambrian or upper Precambrian mafic magmas. Hematite is also locally |
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