| | Journal (article/letter/editorial) | MINERALOGY OF ALTO CHAPARE Downloaded by [University of Lethbridge] at 17:49 16 June 2016 COCHABA...silver mines, it certainly does not suit the Alto Chapare region, a hot, steamy rain forest on the lower...lower eastern slopes of the Andes. The Alto Chapare is a 30-kilometer-wide area ranging in altitude between...meters above sea level (1,300 to 7,000 feet) in Cochabamba Department Alfredo Petrov, a geologist and part-time...lived for fifteen years in Cochabama Department, Bolivia, and specializes in minerals of that region. He | | | Report (issue) | No. 12: Bolivia ht of Mineral Collecting N 978-0-9790998-5-4 Publisher Lithographie, LLC Denver, Colorado...specimen 'being sold with the shrine when he was in Bolivia buying mineral specimens in the 1970s. He took...ophyllite; 5. 2 cm tall Cerro Rico, Potosi, B,atillo province, Potosi Andy Seibel col/action Jejf-SC,m/.plwto...wp11�. Yaalte: 12.5 cm wide Siglo XX Mine, ,U� Bustillo province, Potosi Malty Zinn colkdknt (ex Marv...640 200 100 600 The Political Divisions of Bolivia (after United Nations Map No. 3875, Peacekeeping | | | Report (issue) | elbaite crystals with lepidolite from the Golconda Mine in Minas Gerais, Brazil by Eberhard Equit, 1993...were uncovered there until the 1860s when a true mining effort was directed at the outcrop (King, 2000)...1910 view of the old mine portal on the north side of the Himalaya Mine in San Diego County, CA. D. Sterrett...w·orld-class pink tourmaline was found in the pegmatites of San Diego County, California. The Advent of Chemical...tourmaline from an altered rhyolite at Mexquitic in San Luis Potosf, Mexico. nomically feasible, the discovery | | | Report (issue) | 3+ NaFe 3+ 3 Fe 6 (BO3 )3 Si6 O18 (O; OH)4 Povondraite ° c 2001 Mineral Data Publishing, ver sion 1...7.444(1) Z=3 X-ray Powder Pattern: San Francisco mine, Bolivia. 2.63 (10), 6.63 (9), 4.05 (9), 3.05...[2.4] Total [99.8] Chemistry: (1) San Francisco mine, Bolivia; by electron microprobe, Fe2+ :Fe3+ and...sedimentary rocks. Association: Distribution: Bolivia. Quartz, potassic feldspar, muscovite, schorl...magnesite. In the San Francisco mine, near Villa Tunari, Alto Chapare, Cochabamba, Name: For Dr. Pavel | | | Journal (issue) | Museum Toronto, Ontario Steven R. Morehead Green Valley, AZ Donald R. Peacor University of Michigan Ann...Articles Famous mineral localities: The Bristol copper mine, Connecticut......................................in the U.S.A. notesfrom th r EDITORS OLD YUMA MINE Another great mineral locality has now been closed...longfamous Old Yuma mine near Tucson (see R. L. Jones, “Famous mineral localities: the Old Yuma mine,” in vol....owned by Richard Bideaux’s Arizona Exploring and Mining Company for quite a few years. Bideaux and Wayne | | | Journal (article/letter/editorial) | well-known base- and precious-metal mines at Charcas, San Luis Potosi, Mexico. Two danburite specimens from...have been available from the now-classic Charcas, San Luis Potosi, locality since about 1958. Specimen...November 2014 1. A fine 10.2-cm pale pin the Aurora mine, Charcas, S en, Jeff Scovil photo. crystal group...mines, including the San Sabastian, the Rex and Reina, the La Aurora, and the San Bartolo. Other Mexican...occurrences in Baja California, such as the La Verde mine near La Huerta (large crystals to 11 cm long and | | 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) | supergroup from the Darasun gold deposit (Darasun mine), Vershino-Darasunskiy, Transbaikal Krai, Eastern-Siberian...NaFe3+3(Al4Mg2)(Si6O18)(BO3)3(OH)3O, is related to end-member povondraite, ideally NaFe3+3(Fe3+4Mg2)(Si6O18)(BO3)3(OH)3O...different localities: from the type locality of povondraite (Žáček et al., 1998), from the cap rock of a...Carpathians it evolved from schorl–dravite to povondraite. Samples from Darasun are very similar in composition...petrological setting The Darasun gold deposit (Darasun mine), VershinoDarasunskiy, Transbaikal Krai, Eastern-Siberian | | Lussier, Aaron, Ball, Neil A., Hawthorne, Frank C., Henry, Darrell J., Shimizu, Rentaro, Ogasawara, Yoshihide, Ota, Tsutomu (2016) Maruyamaite, K(MgAl2)(Al5Mg)Si6O18(BO3)3(OH)3O, a potassium-dominant tourmaline from the ultrahigh-pressure Kokchetav massif, northern Kazakhstan: Description and crystal structure. American Mineralogist, 101 (2) 355-361 doi:10.2138/am-2016-5359 | Journal (article/letter/editorial) | conditions. Significant amounts of K occur in povondraite (Grice et al. 1993; Zácek et al. 2000), a tourmaline...of the tourmaline group from the Crabtree emerald mine, Mitchell county, North Carolina: Description and...Tourmaline of the elbaite-schorl series from the Himalaya Mine, Mesa Grande, California: A detailed investigation...D., Ercit, T.S., and Hawthorne, F.C. (1993) Povondraite, a redefinition of the tourmaline ferridravite... F.C. (2008) Mushroom elbaite from the Kat Chay mine, Momeik, near Mogok, Myanmar: I. Crystal chemistry | | Bačík, P., Uher, P., Cempírek, J., Vaculovič, T. (2012) Magnesian tourmalines from plagioclase-muscovite-scapolite metaevaporite layers in dolomite marble near Prosetín (Olešnice Unit, Moravicum, Czech Republic) Journal of GEOsciences, 57 (3) 143-153 | Journal (article/letter/editorial) | 1999, 2000). Moreover, similar oxy-dravite to povondraite solid solution is typical of the metaevaporitic...(2008) Low-Al tourmalines of the schorl–dravite–povondraite series in redeposited tourmalinites from the...a granitic pegmatite in Forshammar, Bergslagen Province, Sweden: EMPA, XRD and LA-ICP-MS study. Canad...JH (1994) Tourmaline in the central Swedish ore district. Miner Depos 29: 189–205 Henry DJ, Dutrow BL (1996)...Armstrong JT (ed) Microbeam Analysis. San Francisco Press, San Francisco, pp 104–106 Povondra P (1981) Crystal | | Pieczka, Adam, Ertl, Andreas, Sęk, Mateusz P., Twardak, Diana, Zelek, Sylwia, Szełęg, Eligiusz, Giester, Gerald (2018) Oxy-dravite from Wołowa Góra Mountain, Karkonosze massif, SW Poland: Crystallochemical and structural studies. Mineralogical Magazine, 82 (4) 913-928 doi:10.1180/minmag.2017.081.069 | Journal (article/letter/editorial) | vanadio-oxy-chromium-dravite, chromo-alumino-povondraite (Baksheev et al., 2011; Bosi et al., 2012; 2013b;...solid-solution between end-members oxy-dravite and povondraite by Žáček et al. (2000). The X site is mainly...chemical zoning in tourmalines, Pampa del Tamboreo, San Luis, Argentina. Journal of South American Earth...fractionation in tourmalines from pegmatites in the DSS mine at Piława Górna, Góry Sowie Block, southwestern...Analysis (I.T. Armstrong, editor). San Francisco Press, San Francisco, USA. Redler, Ch., Irouschek, A. | | Novak, M., Skoda, R., Filip, J., Macek, I., Vaculovic, T. (2011) Compositional trends in tourmaline from intragranitic NYF pegmatites of the Trebic pluton, Czech Republic: an electron microprobe, Mossbauer and LA-ICP-MS study. The Canadian Mineralogist, 49 (1) 359-380 doi:10.3749/canmin.49.1.359 | Journal (article/letter/editorial) | Abstract Tourmalines (dravite – schorl – uvite – povondraite) from intragranitic pegmatites of the Třebíč...Keywords: tourmaline, dravite – schorl – uvite – povondraite, electron microprobe, Mössbauer spectroscopy...Such high contents of Ti are comparable only to povondraite from its type locality (Žáček et al. 2000). There...(~5–6 apfu) suggest a minor presence of the povondraite component via the homovalent substitution (10)...with that of any other pegmatite or pegmatite district because Li is rarely measured (e.g., Aurisicchio | | Filip, Jan, Bosi, Ferdinando, Novák, Milan, Skogby, Henrik, Tuček, Jiří, Čuda, Jan, Wildner, Manfred (2012) Iron redox reactions in the tourmaline structure: High-temperature treatment of Fe3+-rich schorl. Geochimica et Cosmochimica Acta, 86. 239-256 doi:10.1016/j.gca.2012.02.031 | Journal (article/letter/editorial) | 2002; Bosi, 2011), as it occurs, for example, in povondraite and “oxy-dravite” (e.g., Henry et al., 2011;...1966; Dunn, 1976; Grice and Ercit, 1993) and povondraite (Grice et al., 1993; Bačı́k et al., 2008; Baksheev...of “buergerite” at its type locality at Mexique, San Louis Potosı́, Mexico, is not revealed because the...identification as “buergerite” is reasonably problematic. Povondraite is a relatively low-temperature mineral occurring...temperature 500 °C or less. Thus, povondraite from its type locality and povondraite-close tourmalines from other | | | Book | Crystals up to 140mm (5'A in) long occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law...to 100 mm (4 in) long, come also from the San Gcnaro Mine in Huancavclica and Uchucchaqua, Peru. New...many localities in California, USA (Colorado Quartz mine. Nigger Hill and others). Fine leaf gold comes from...110 mm (47.6 in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets...of crystallized gold occurred in the Jamestow n mine. California, USA, where a cavity, which yielded | | | Book | Crystals up to 140mm (5½ in) long occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law...to 100 mm (4 in) long, come also from the San Genaro Mine in Huancavelica and Uchucchaqua, Peru. New...Dorado, California, US.A. Gold, 68 mm, Eagle's Nest Mine, California, US.A. Gold gold on it. Typical aggregates...many localities in California, USA (Colorado Quartz mine, Nigger Hill and others). Fine leaf gold comes from...mm (4 5/i6 in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets | | | Journal (article/letter/editorial) | significance of tourmaline-rich rocks in the Broken Hill district, Australia. Econ. Geol. 1993, 88, 505–541. [CrossRef]...indicators of the crystallization process in the San Diego County pegmatites, California, USA. Eur. J...Tourmalines of the povondraite—(oxy)dravite series from the cap rock of meta-evaporite in Alto Chapare, Cochabamba...Cochabamba, Bolivia. J. Czech Geol. Soc. 2000, 45, 3–12. Minerals 2020, 10, 0917 50. 51. 52. 53. 54. 55...Baker, J.H. Tourmaline in the central Swedish ore district. Miner. Depos. 1994, 29, 189–205. [CrossRef] Bačík | | | Journal (issue) | History Mining Background India is a vast and densely populated country with a history of mining going...(the Golconda district in the princely state of Hyderabad, now Andhra Pradesh; a district located between...between the Mahanadi and Godavari valleys; and a district around Panna in the old region of Bundelkand, now...in the early 1800’s at Padyur in the Coimbatore district of Tamilnadu. Exceptionally deep blue aquamarine...were first discovered near Dassu in the Shigar Valley in 1915. Garnet, more appreciated in ancient times | | | Journal (issue) | Museum Toronto, Ontario Steven R. Morehead Green Valley, AZ Donald R. Peacor University of Michigan Ann.... . . . . . . 217 by A. R. Kampf The Dee North mine, Elko County, Nevada . . . . . . . . . . . . . ...crystal cluster, 13.6 cm, from the famous Malmberget mine, Gällivose, Lapland, Sweden. Peter Lyckberg collection;...had also performed in a consulting capacity for mining operations around the world. Jim was both mineral...Jackson to take over the operation of the Rock Candy mine (the subject of a 1981 article by Joe in the Mineralogical | | Baksheev, Ivan A., Trumbull, Robert B., Popov, Mikhail P., Erokhin, Yuri V., Kudryavtseva, Olesya E., Yapaskurt, Vasily O., Khiller, Vera V., Vovna, Galina M., Kiselev, Vladimir I. (2018) Chemical and boron isotopic composition of tourmaline from the Mariinsky emerald deposit, Central Urals, Russia. Mineralium Deposita, 53 (4) 565-583 doi:10.1007/s00126-017-0759-z | Journal (article/letter/editorial) | , Yekaterinburg 620016, Russia 4 Urals State Mining University, ul. Kuibysheva 30, Yekaterinburg 620144...(Grundmann and Morteani 1989); Swat Miner Deposita Valley, Pakistan (Arif et al. 1996); Tsa da Glisza, Yukon...studies of tourmaline from the Urals Emerald Mines district have reported major-element compositions, but...and still-active deposit in the Emerald Mines district. We also analyzed one sample from the inactive...Krasnoarmeisky deposit in the southern part of the district. The data set presented here combines majorelement | | | Journal (article/letter/editorial) | in the well-known tin deposits of Cornwall and Bolivia (e.g. Gordon 1944; Hall 1971). As more types of...illustrated with the redefinition of ferridravite as povondraite as a consequence of the ordering of Mg on the...Cr-rich tourmalines were found in the Barberton district of South Africa (Hall 1918). Vanadium-bearing...redefinition and its renaming as a new species, povondraite (Grice and Ercit 1993; Grice et al. 1993). Although...Oxy-dravite Na Oxy-schorl Na Povondraite Na Bosiite Na Chromo-alumino-povondraite Na Oxy-chromium dravite | | | Journal (issue) | cm, with calcite, from the arsenic mine near Shimen in Hunan Province, China. Mike Bergmann specimen; photo...and consisted prim arily o f B oron and D eath Valley borates and associated minerals. M ost o f his...’s more unusual wulfenite occurrences, the Finch mine, inhere crystal groups are commonly found covered...covered by a thin layer o f drusy quartz. This mine and the various other adjacent properties and workings...f 21 unpatented claims in the B anner m ining district, Gila C ounty, Arizona. T he group includes the | | Bast, R., Scherer, E. E., Mezger, K., Austrheim, H., Ludwig, T., Marschall, H. R., Putnis, A., Löwen, K. (2014) Boron isotopes in tourmaline as a tracer of metasomatic processes in the Bamble sector of Southern Norway. Contributions to Mineralogy and Petrology, 168 (4) doi:10.1007/s00410-014-1069-4 | Journal (article/letter/editorial) | uvite [CaMg3(Al5Mg)Si6O18(BO3)3(OH)3(OH)] or povondraite [NaFe33+(Fe43+Mg2)Si6O18(BO3)3(OH)3O] component...may define a trend between “oxy-dravite” and povondraite (dotted line in Fig. 4b) as described by Henry...in sample Li-8 plots along the “oxy-dravite”-povondraite trend. Tourmalines in samples E38-3 and Lita-3...−1.9 ‰. Sample Li-8, which was collected from the mine tailings, has more positive and variable δ11B values...most samples roughly follow the “Oxy-dravite”-Povondraite trend (across fields 4, 5, 6), whereas a few | | | Book (edition) | Brazil, H Page 2: Vivianite, I 00 mm, Huanzala, Bolivia, H Page 3: Liddicoatite, polished, 70 mm, Anjanabonoina...Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture)...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....the revolution in 1997. Its mineral rich Katanga province was renamed Shaba by Mobutu, and is now the Katanga | | | Journal (issue) | Petersburg University specimens **- St.-Petersburg Mining Museum specimens 2 W o r l d of Stones. Ng 1 I...the authors of this article, was opened in the Mining Museum of St. Petersburg not long ago and another...Unusual Crystallization or... Mineral Pathology? //Mine mlogicheskii zhurnal. 1989.1.11, N 2. p.96-98. 10...graduating from the Petrograd (now St. Petersburg) Mining Institute. Working here for nearly a year, the...right to the 1 4 W o r l d of Stones, N9.11 /96 mining and exploration for chromediopside here. A portion | | London, D., Ertl, A., Hughes, J. M., Morgan, G. B., Fritz, E. A., Harms, B. S. (2006) Synthetic Ag-rich tourmaline: Structure and chemistry. American Mineralogist, 91 (4) 680-684 doi:10.2138/am.2006.1959 | Journal (article/letter/editorial) | the maximum recorded value is ∼2.3 wt% K2O in povondraite (Grice et al. 1993). Presumably, [9]K+ (ionic...D., Ercit, T.S., and Hawthorne, F.C. (1993) Povondraite, a redeÞnition of the tourmaline ferridravite...In J.T. Armstrong, Ed., Microbeam Analysis. San Francisco Press, California. Taylor, M.C., Cooper, M.A | | | Show/Event (guide) | zone assemblage from the Allah Cooper/Valcooper mine, Louisa County, Virginia. L. E. Kearns & M. D. Dunn...and instructor in the Department o f Geological & Mining Engineering & Sciences at Michigan Tech University...grant, it was the allure of the Copper Country mining history and Lake Superior that heightened his interest...collecting. With a vast array of abandoned underground mine openings available, searching for specimens became...fit in? The mine openings were short lived. The State was slowing capping all known open mine shafts and |
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San Francisco mine, Cristalmayu valley, Cristalmayu, Cristalmayu subdistrict, Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia