 | | Journal (issue) | | cm wide, from the Tsumeb mine, Tsumeb, Otjikoto Region, Namibia. Unique Minerals specimen; Jeff Scovil...Berezovsk district). Figure 26. The gold mining region around Berezovsk, including the names of all of...Sanarka region, drawn in 1857. Figure 34. Overview of gold occurrences in the Kac=kar region, southern...Quaternary volcanic rocks and is cut by andesite porphyry dikes. Later basalt dikes cut both the limestone...2012) are newly described minerals from Japan and Germany, respectively, that had previously been known as |  | | Book | | See Tourmaline. Carbon Oxygen SCLERETINITE : SCHORL. 25 INTRODUCTION . Silica : : Alumina Lime...16:50 8:00 2:50 Sub - species of — Rubellite. Schorl. >> : : : : 34:55 30:54 34.91 : : Sulphur...Barrow .) Blende. ( Huel Basset.) Slate, with Porphyry Dykes. Argentite. Copper. Cuprite. Malachite ...Clarence .) Smaltine. ( Huel Coates.) Slate and Porphyry. Tin . Ag nesite. Bismuthochre. Cassiterite. Felspar... Orthoclase . (Huel Devonshire.) Slate, with Porphyry Dykes. > 97 Fluor. Pyrite. Towanite. (Huel |  | Baksheev, I. A., Prokof'ev, V. Y., Yapaskurt, V. O., Vigasina, M. F., Zorina, L. D., Solov'ev, V. N. (2011) Ferric-iron-rich tourmaline from the Darasun gold deposit, Transbaikalia, Russia. The Canadian Mineralogist, 49 (1) 263-276 doi:10.3749/canmin.49.1.263 | Journal (article/letter/editorial) | | tourmaline of the schorl – dravite – povondraite series in a sample from the Darasun porphyry-style gold deposit...deposit, Chita region, Transbaikalia, Russia. A combination of analytical procedures has been used to...Western Carpathians, where tourmaline evolves from schorl–dravite to povondraite. The chemical composition...Sn- and Cu-porphyry deposits, and may be accepted as a prospecting guide for the porphyry-style deposits...Nous avons étudié la tourmaline de l’intervalle schorl – dravite – povondraïte d’un échantillon provenant |  | | Report (issue) | | CT Concept & Design Maximilian Glas, Stamberg, Germany English Edition © 2002 by Lapis International,...Printed in Germany Above: Schor! and microcline from Pakistan's world famous Gilgit area. The schorl is 4...Weise Verlag, Munich, Germany German Edition © Christian Weise Verlag, Munich, Germany ISBN 3- 921656- 31...COLLABORATION WITH LAPIS MAGAZINE, CHRISTIAN WEISE VERLAG, GERMANY AND LAPIS INTERNATIONAL, USA Tourmaline ♦ History...name is attributed to Erker (1595) who named schorl (schorl). Then, mineral names were based on each individ |  | Baksheev, I. A., Tikhomirov, P. L., Yapaskurt, V. O., Vigasina, M. F., Prokof'ev, V. Yu., Ustinov, V. I. (2009) TOURMALINE OF THE MRAMORNY TIN CLUSTER, CHUKOTKA PENINSULA, RUSSIA. The Canadian Mineralogist, 47 (5) 1177-1194 doi:10.3749/canmin.47.5.1177 | Journal (article/letter/editorial) | | Kosygina 19, Moscow, 119991, Russia Abstract Porphyry-related deposits are the fourth type of tin deposits...tourmalines and associated minerals from the several porphyry-tin occurrences related to rhyolite dikes in the...classed as an intermediate member of the schorl–foitite and “oxy-schorl” – “oxy-foitite” series. Its compositions...that of porphyry-copper deposits, confirming that the occurrences studied are related to a porphyry environment...tourmalines studied here with tourmalines from porphyry-copper and porphyry-gold deposits indicates that the FeAl–1 |  | Cacho, Andreu, Melgarejo, Joan-Carles, Camprubí, Antoni, Torró, Lisard, Castillo-Oliver, Montgarri, Torres, Belén, Artiaga, David, Tauler, Esperança, Martínez, Álvaro, Campeny, Marc, Alfonso, Pura, Arce-Burgoa, Osvaldo R. (2019) Mineralogy and Distribution of Critical Elements in the Sn–W–Pb–Ag–Zn Huanuni Deposit, Bolivia. Minerals, 9 (12) 753 doi:10.3390/min9120753 | Journal (article/letter/editorial) | | deposit between epithermal and porphyry Sn types (or shallow porphyry Sn), it represents a case that...rocks, but the occurrence of potassium feldspar, schorl, pyrophyllite and dickite as vein material stand...metallogenic belts from west to east, these are the Fe, porphyry Cu–Mo(–Au), Cu–Pb–Zn–Ag, and Sn–(W–Ag–Sb–Bi) belts...it sits on western Bolivia (Figure 1). The Oruro region in southwest Bolivia is located on the central...belt and the southerly N–S part (Figure 1). This region contains some of the most outstanding tin deposits |  | Dill, Harald G., Garrido, Mirta M., Melcher, Frank, Gomez, Maria C., Luna, Liliana I. (2012) Depth-related variation of tourmaline in the breccia pipe of the San Jorge porphyry copper deposit, Mendoza, Argentina. Ore Geology Reviews, 48. 271-277 doi:10.1016/j.oregeorev.2012.04.006 | Journal (article/letter/editorial) | | tourmaline in the breccia pipe of the San Jorge porphyry copper deposit, Mendoza, Argentina Harald G. Dill...Rohstoffe, P.O. Box 51 01 53, D-30631 Hannover, Germany Departamento de Geología, Universidad Nacional...Dravite–schorl s.s.s Cu sulfide Porphyry-copper Argentina a b s t r a c t The San Jorge porphyry copper...strongly enriched with tourmaline of the dravite–schorl solid solution series with some quartz, muscovite...Tourmaline was used to categorize this subtype of porphyry-type Cu deposits, but little has been reported |  | | Journal (article/letter/editorial) | | Ottens, Klingenbrun-Banhof 24, D-94518 Spiegelau, Germany. Contributed Papers in Specimen Mineralogy: Part...that have not previously been reported. The Gole quarry, approximately 80 kilometers north of Bancroft...positive identification of kamotoite-(Y) from the Gole quarry was confirmed. In 1999, coauthor Fodi found some...granite quarry is located approximately 0.4 kilometer west of the Ladick East (or Charneski) quarry in the...A greisenlike assemblage was discovered in this quarry in 2003 with topaz, ferberitehübnerite, and cassiterite |  | Baksheev, Ivan A., Yu Prokof'ev, Vsevolod, Zaraisky, Georgii P., Chitalin, Andrey F., Yapaskurt, Vasilii O., Nikolaev, Yuri N., Tikhomirov, Petr L., Nagornaya, Ekaterina V., Rogacheva, Lubov' I., Gorelikova, Nina V., Kononov, Oleg V. (2012) Tourmaline as a prospecting guide for the porphyry-style deposits. European Journal of Mineralogy, 24 (6) 957-979 doi:10.1127/0935-1221/2012/0024-2241 | Journal (article/letter/editorial) | | 2012 Tourmaline as a prospecting guide for the porphyry-style deposits IVAN A. BAKSHEEV1,*, VSEVOLOD YU...minerals are proposed as efficient indicators of porphyry-style Cu, Au and Sn deposits and therefore are...deposits. The tourmalinesupergroup minerals from the porphyry deposits exhibit some general features: (1) sector...tourmaline, porphyry deposits, exploration, chemical composition. 1. Introduction from the porphyry-style...alteration and vein mineral. Four major types of porphyry ore deposits are commonly distinguished: (1) CuMoAu |  | Liu, Jianping, Rong, Yanan, Zhang, Shugen, Liu, Zhongfa, Chen, Weikang (2017) Indium Mineralization in the Xianghualing Sn-Polymetallic Orefield in Southern Hunan, Southern China. Minerals, 7 (9) 173 doi:10.3390/min7090173 | Journal (article/letter/editorial) | | electron-probe microanalysis of vein-type (type-I) and porphyry-type (type-II) Sn–Pb–Zn orebodies were studied...southwestern England [13], the eastern Erzgebirge in Germany [14], the Iberian Pyrite Belt [15,16], Japanese...in southern Hunan. The orefield Sn–Pb–Zn, and porphyry-type Sn–Pb–Zn deposits. According to previous...deposit and 20–60 ppm In in the Sn–Pb–Zn, and porphyry-type Sn–Pb–Zn deposits. According studies [27]...southern Hunan. Ininorder to characterize the porphyry-type In metallogeny of theSn–Pb–Zn Xianghualing |  | | Journal (article/letter/editorial) | | magmatic-hydrothermal ore deposits in the Aegean region of western Turkey. Hydrothermal deposits there...Pb–Zn–Cu deposit at Kadıkalesi (Bodrum–Muğla) and the porphyry Au deposit at Kışladağ (Eşme–Uşak), with related...associated with multiphase intrusions of latite porphyry is related to the Kışladağ caldera. Tourmaline...alteration-induced mineral throughout the Kışladağ porphyry system. Electron-microprobe analyses of the tourmaline...exchange vector. Compositions deviate from ideal schorl–dravite along a trend that closely approximates |  | | Journal (article/letter/editorial) | | Carboniferous rocks ; a n d near Parford a vein of porphyry is seen; and the gravels in the streams and tin-grounds...granite and Carboniferous rocks, a few fragments of porphyry occurring with them in the lower part of the valley...large-grained, and contains a great proportion of schorl, which occurs both disseminated in the rock and...and in distinct nodules and veins. The schorl varies very much in character, and rubellite has been found...lodes of tin are known to exist there. Veins of porphyry can be seen by the side of the road from Sandy |  | Ertl, Andreas, Baksheev, Ivan A., Giester, Gerald, Lengauer, Christian L., Yu. Prokofiev, Vsevolod, Zorina, Lidiya D. (2016) Bosiite, NaFe3+ 3(Al4Mg2)(Si6O18)(BO3)3(OH)3O, a new ferric member of the tourmaline supergroup from the Darasun gold deposit, Transbaikalia, Russia. European Journal of Mineralogy, 28 (3) 581-591 doi:10.1127/ejm/2016/0028-2540 | Journal (article/letter/editorial) | | Vershino-Darasunskiy, Transbaikal Krai, Eastern-Siberian Region, Russia (52°20’24”N, 115°29’23”E). Bosiite formed...Amudzhikan–Sretensky subvolcanic K-rich granodiorite-porphyry intrusion. Ores of this deposit are enriched in...Puxeddu, 1990), from northern Scandinavia, and from porphyry-copper deposits formed during hydrothermal processes...whereas in the Western Carpathians it evolved from schorl–dravite to povondraite. Samples from Darasun are...similar in composition to those from the Vetka porphyry-copper deposit, Chukotka, Russia, and also in |  | Bosi, Ferdinando, Cámara, Fernando, Ciriotti, Marco E., Hålenius, Ulf, Reznitskii, Leonid, Stagno, Vincenzo (2017) Crystal-chemical relations and classification problems in tourmalines belonging to the oxy-schorl–oxy-dravite–bosiite–povondraite series. European Journal of Mineralogy, 29 (3) 445-455 doi:10.1127/ejm/2017/0029-2616 | Journal (article/letter/editorial) | | classification problems in tourmalines belonging to the oxy-schorl–oxy-dravite–bosiite–povondraite series FERDINANDO...showing intermediate compositions between the oxy-schorl and oxy-dravite series (sample from Sludyanka crystalline...additional samples corresponding to the species oxy-schorl, oxy-dravite, bosiite and povondraite, show that...occurrence of a complete substitution series from oxy-schorl via oxy-dravite and bosiite to povondraite, but...limited) direct substitution series between oxy-schorl and bosiite (or povondraite). The substitution |  | Baksheev, Ivan A., Prokofiev, Vsevolod Yu., Trumbull, Robert B., Wiedenbeck, Michael, Yapaskurt, Vasilii O. (2015) Geochemical evolution of tourmaline in the Darasun gold district, Transbaikal region, Russia: evidence from chemical and boron isotopic compositions. Mineralium Deposita, 50 (1) 125-138 doi:10.1007/s00126-014-0526-3 | Journal (article/letter/editorial) | | tourmaline in the Darasun gold district, Transbaikal region, Russia: evidence from chemical and boron isotopic...Abstract The Darasun gold district, Transbaikal region, eastern Russia comprises three deposits: Teremkyn...compositions are oxy-dravite–povondraite, dravite, and schorl. We report here in situ B-isotope analyses by secondary...from a breccia pipe at the margin of granodiorite porphyry. The B-isotope composition of tourmalines from...for Geosciences, Telegrafenberg, 14473 Potsdam, Germany fluid inclusion temperatures from vein quartz |  | Demirel, S., Goncuoglu, M. C., Topuz, G., Isik, V. (2009) GEOLOGY AND CHEMICAL VARIATIONS IN TOURMALINE FROM THE QUARTZ-TOURMALINE BRECCIAS WITHIN THE KERKENEZ GRANITE-MONZONITE MASSIF, CENTRAL ANATOLIAN CRYSTALLINE COMPLEX, TURKEY. The Canadian Mineralogist, 47 (4) 787-799 doi:10.3749/canmin.47.4.787 | Journal (article/letter/editorial) | | and the second and third generations consist of schorl. These distinct generations of tourmaline show...deuxième et la troisième génération ont produit le schorl. Dans l’ensemble, ces trois générations de tourmaline...(Göncüoğlu et al. 1997). Neotethys opened in this region during the Triassic and closed in the Late Cretaceous...compositions were determined in Heidelberg University (Germany) with a CAMECA SX–51 electron microprobe equipped...tourmaline consists of calcic feruvite, whereas schorl is found in Groups B and C (Fig. 5). The first |  | Baksheev, I. A., Plotinskaya, O. Yu., Yapaskurt, V. O., Vigasina, M. F., Bryzgalov, I. A., Groznova, E. O., Marushchenko, L. I. (2012) Tourmaline from deposits of the Birgil’da-Tomino ore cluster, South Urals. Geology of Ore Deposits, 54 (6) 458-473 doi:10.1134/s1075701512060037 | Journal (article/letter/editorial) | | 2004 Abstract—Tourmalines from the Kalinovka porphyry copper deposit with epithermal bismuth–gold–base...metasomatic rock and propylite. The early schorl–"oxyschorl" [Fetot/(Fetot + Mg) = 0.66–0.81] enriched...substitution of Fe3+ for Al typical of propylites at porphyry copper deposits. The overgrowing tourmalines of...WOH– in tourmaline from quartz–sericite rocks at porphyry copper deposits. At the Michurino prospect, the...the Kalinovka deposit. Thus, tourmalines of the porphyry and epithermal stages are different in isomorphic |  | | Journal (issue) | | 235 Iron-manganese mineralization at Merehead Quarry, eastern Mendips (Abstract). By C. Alabaster.....work on the major and trace element chemistry of schorl (and on elbaite from Meldon) is discussed. Tourmaline...or dravites, the iron tourmalines often known as schorl, and the alkali tourmalines or elbaites which are...continuous series between dravite and schorl and between schorl and elbaite, but there appears to be an...in ferric iron: Dravite NaMg3A16B3Si6O27(OH,F)4 Schorl NaFe32+Al6B3Sl6O27(OH,F)4 Elbaite Na(Li,Al)3Al6B3Si6O27(OH |  | | Show/Event (guide) | | Morgan 2 4:15 Natromontebrasite from the Meyers quarry, Fremont County, CObyM. I. Jacobson,.1, W Nizamoff...that have not previously been reported. The Gole quarry, approximately 80 km north of Bancroft, near Madawaska...positive identification of kamotoite-(Y) from the Gole quarry was confirmed. In 1999, co-author Liz Fodi found...granite quarry is located approximately 1/4 mile west of the Ladick East (or Charneski) quarry in the...greisen-like assemblage was discovered in this quarry in 2003 with topaz, 7 ferberite-hiibnerite and |  | | Book (edition) | | Altered Cambtian rocks (Llanberis) and quartz porphyry - 110 Altered Carboniferous rocks and greenstones...Builth) St. David's, Pembrolceshire Intrusive Quartz porphyry (Llanberis) tact with it Greenstone Dykes - •...Granite .. Granite • Schorlaceous Granite Schorl Rock .. .. Schorl -· _ Granite Veins and Dvkes Granitic...pebbles, and covering ice-polished limestone, in the quarry of Baumann, about three quarters of a mile north...breccia cniefly consist of · felstone porphyrY., gre.e nstone porphyry, greenstone amygdaloid, altered ribboned |  | | Journal (article/letter/editorial) | | strong chemical zoning and has a composition of schorl–dravite with significant povondraite and uvite...similar to those of younger porphyry copper deposits and volcanic rocks in the region, indicating that the boron...values is between those of the porphyry copper deposits and the porphyry tin deposits of the Andes, suggesting...fluids having more crustal contamination than the porphyry copper deposits; such an interpretation is at...Geosciences, Telegrafenberg C161, 14473 Potsdam, Germany F. Velasco Departamento de Mineralogía y Petrología |  | Prokofiev, Vsevolod, Baksheev, Ivan, Zorina, Lidiya, Belyatsky, Boris, Ustinov, Vladimir, Krivitskaya, Nadezhda (2012) Tourmalinization at the Darasun goldfield, Eastern Transbaikalia: Compositional, fluid inclusion and isotopic constraints. Geoscience Frontiers, 3 (1) 59-71 doi:10.1016/j.gsf.2011.07.006 | Journal (article/letter/editorial) | | Transbaikalia; Russia Abstract Zoned tourmaline (schorl-dravite) in the matrix of hydrothermal explosive...deposits, Chita region, Eastern Transbaikalia, Russia, are associated with Na- and K-rich porphyry-type subvolcanic...the Darasun ore district are dravite or high mg schorl. Second stage tourmaline is characterized by oscillatory...deposits are also referred to the gold-porphyry or gold-copper-porphyry-type (Prokof’yev et al., 2000; Sillitoe...associated with subvolcanic K-rich granodiorite-porphyry. Pipe-like bodies of hydrothermal explosive breccia |  | | Journal (article/letter/editorial) | | in the Trias in close proximity with pebbles of schorl and altered rock, a collocation strikingly similar...granite with a little mica and a fair proportion of schorl. When sliced it suggested a possible elastic origin...precisely identical with Dartmoor varieties. 3. In a quarry at Exminster there occur small patches of granitic...vesicular. Teignmouth. 12. Yellowish-brown quartz-porphyry, loose-textured subvesicular base, with quartz-blebs...6. Granular greyish-drab felsite, with acicular schorl. Exminster, 7. Fine-grained reddish felsite, with |  | | Book (edition) | | Glaciers of the V~sges - . Mulho\1se, Duchy of Baden Newer Pleiocene Glaciers and Drift-ice of Brit'1in...Scborl Rock, with Note Schorl, with Note Granitic Veins and Dykes, Felspathic Porphyry (Elvan) Decomposed...and veins of granite and of a red quartziferous porphyry are abundant both in the Hebrides and on the mainland~...and the adjoining alte1. cd 1·ocks. 24. QUARTZ PORPHYRY. N.E. side of Llyn, Padarn, Llnnberis. Map 78...Occasionally also, even where perfectly porphyritict the porphyry is traversed by great parallel planes, dipping |  | | Report (chapter) | | Wellington’s sarcophagus in St Paul’s Cathedral. Schorl rock is often found in older buildings in the granite...mainly as a polished decorative stone to line Porphyry Hall at Place in Fowey and in other high-status...calcium and magnesium carbonates. The Polyphant Quarry was recently reopened to supply stone for the rebuilding...hedge building. The Upper Devonian Delabole Slate Quarry has yielded high-quality roofing slate from Tudor...such as luxullianite, Lizard serpentine, Tremore Porphyry and Polyphant Stone, are so beautiful when polished |
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