 | | Journal (article/letter/editorial) | | Nigeria include Serindeia warnacki, Prosopsis africana, Pseudocedrela kotschyi, and Anoigeissus schrimperi...of Vesuvius" (Palache et al. 1951); and "with gibbsite in fumeroles, 1911 eruption" (Gaines et al. 1997) |  | | Book | | intermediate structure made up of alternating gibbsite and bayerite layers. Table 4-2. Common aluminum...a series bayerite diaspore corundum 'Y series gibbsite boehmite (synthetic) Others nordstrandite Source:...Na-aluminate gels. Hem and others (1973) found that gibbsite crystallizes from solutions with a pH below 6...similar problem. Although diaspore is common, gibbsite and boehmite make up the bulk of th(~ minerals...important; that is, the sequence diaspore-boehmite-gibbsite may reflect increased oxidation. However, a survey |  | | Book (chapter) | | Fe-rich beryl, Schumann 94 (1997). Santa-Maria-Africana = green gem Fe-rich beryl, Schumann 94 (1997)... Egleston 299 (1892). sanyavszkit = colloidal gibbsite, LĂĄszlĂł 240 (1995). sapenos = violet Fe-rich quartz...Schaniawskit = colloidal gibbsite, MM 16, 371 (1913). Schanjawskit = colloidal gibbsite, MM 19, 348 (1922)...(1922). schanyavskite = colloidal gibbsite, Dana 7th I, 667 (1944). Schanzenachat = banded quartz-mogĂĄnite...shangyavskite = colloidal gibbsite, Clark 633 (1993). shaniavskite = colloidal gibbsite, English 205 (1939) |  | | Book (chapter) | | synthetic beryl, GJ 17(1), 16 (2008). ParaĂba Africana = blue gem Cu-Mn-rich elbaite, JG 28, 178 (2002)...II, 935 (1951). picites cliachites = colloidal gibbsite, MM 16, 357 (1913); AM 75, 432 (1990). picites...aspidolite, Chester 217 (1896). pregibbsite = colloidal gibbsite, MM 37, 963 (1970). Pregrattit = paragonite or |  | | Book (edition) | | occurrence refers to all four terms. The Finsch diamond mine, located in Northern Cape Province/South Africa...1965, now over 20 prospect levels deep. Fluorite mine near Chiang Mai/Thailand. Without using machines...mountainous zones of the United States. A gemstone mine in Sri Lanka, run by the government. The only machine...the pump that sucks up the water entering into the mine. eee, ig 5: â ee Mining Methods Most gemstone...is surprising. A deposit being worked is called a mine. With the exception of diamonds, mining methods |  | | Journal (issue) | | Alice S. Keller FEAW ARTICLES The Anahi Ametrine Mine, Bolivia Paulo M. Vasconcelos, Hans-Rudolf Wenk...7994 GemokgicalInstitute ofAmerica Anahi Ametrine Mine 0 ne of the most interesting gem materials to...open-door policy practiced by the current owners of the mine has made it possible to disseminate reliable information...a-na-e)ainetrine mine is located in eastern Bolivia, near the border with Brazil [figure 2). The Anahi mine produces...for further testing, the authors traveled to the mine in October 1992 (PMV)and August 1993 (PMV, HRW, |  | | Book | | sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite...joints ~~jr-*~z?Z. Joint pattern ÎŻ Quarts veins ft Mine; fr-iron, Cwcefiper, m U.S. Homestead mmmww** Vehicle...accumulated in endocontact stockworks. The small Jessie mine in the Breckenridge field (about 2 t Au; Lovering...parallel fissures and veinlets Fig. 28-14. Jessie gold mine, Breckenridge, Colorado. LITHOTHEQUE, after Ransome |  | | Report (volume) | | con- Flight 1994). trolled Impact of mining mine drainage (AMD). In many developing countries, the...particularly in ineffective for As contaminated mine-waters. Studies have shown that the precipitation...neutral red retention (NRR) pilot test: Wanderer Mine, Zimbabwe (after Williams & Breward 1995), As...Individual invertebrate (e.g. Globe and Phoenix Mine, Zimbabwe). Some soils with low (< 5%) Fe content...provide a practical remediation strategy for As-rich mine waters, as the As would be immobilized in inert |  | | Book | | sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite...accumulated in endocontact stockworks. The small Jessie mine in the Breckenridge field (about 2 t Au; Lovering...cover sequences, and 1034 Fig. 28-14. Jessie gold mine, Breckenridge, Colorado. LITHOTHEQUE, after Ransome...cooling (e.g. in the Hesperian and Central Ilassifs, Spain and France; Bohemian Massif). Alternative genetic |  | | Journal (issue) | | alluvial deposit in Thanh Hoa Province (i.e. Doi Ty mine). Gem and mineral dealer Dudley Blauwet (Dudley...is sometimes called âSanta Mariaâ, âSanta Maria Africanaâ or âdouble blueâ aquamarine in the trade, although...ametrine with layers of smoky quartz from the Yuruty mine in Bolivia, showing purple, yellow and dark brown...an ambitious project to establish an amethyst mine (Mine de Poux) in the Puy-de-DĂŽme region of central...twentieth century. The project seeks to revive the Poux mine and local cutting facilities to ensure that the |  | | Journal (volume) | | .........................319 EM61 Mineralogy of mine wastes and contaminated soil......................Caracas, Venezuela 7 Universidad Complutense, Madrid, Spain Limestones are widely used as absorbents in various...MineralogĂa y PetrologĂa, Universidad de Granada, Spain (*anava@ugr.es) 1 The non-stoichiometric sulfide...Salamanca, Spain (*hoyo@usal.es) 2 Dept. of Applied Mathematics, University of Salamanca, Spain 3 Dept....of Physical Chemistry, University of Salamanca, Spain Different materials are used in the adsorption and |  | | Report (volume) | | deposits in Guyana, such as those at Omai, Peters' Mine, and Eagle Mountain, that are in stockwork veins...weathers directly to an assemblage of goethite and gibbsite, without intermediate clayey phases (Briceno and...further. The bauxite deposit at the Los Pijiguaos mine formed from the Parguaza rapakivi granite (Moreno...were discovered in 1989 between the Los Pijiguaos mine and Puerto Ayacucho on the Rio Orinoco (Ensminger...Yuruari Formation are poorly exposed, except in mine workings near the shear zone that separates the |  | | Book | | Associated Sulphides at the Almad^n Mercury Mine, Spain.7 BARTHOLOME, P. , EVRARD, P. , KATEKESHA, F...Associated Sulphides at the Almaden Mercury Mine, Spain M. Arnold, A. Maucher, and F. Saupe Abstract...equivalents may easily be found in the lower levels of the mine. Sample 3 is also stratigraphiÂŹ cally well defined...which forms the Lower Orebody at Kamoto and other mine localities. According to the traditional Katangan...by the typical chlorite-rich bed which is richly mineÂŹ ralized and forms the base of the Lower Orebody |  | | Book (edition) | | smectite 0. kaolinite halloysite, allophdne II. gibbsite, boehmite 12. hematite, goethite 13. anatase,...presence of minerals such as kaolinite, boehmite and gibbsite (see Table 4.9), with very low amounts of alkalis...highly weathered a h minous minerals, such as gibbsite, are common in these soils. Their low base status...kaoliitic clays or other base-poor oxides such as gibbsite or boehmite. They have only traces of easily weathered...weathering or proximity to the surface of the gibbsite // 1 hornblende clinopyroxene No20 t nan-carbonate |  | | Book | | workers on the mobility of the ore metals in acid mine waters rich in sulfate. Emmons (1917, pp. 68-70)...the U. S. Geological Survey at the Union Copper Mine, Gold Hill district, North Carolina, showed that...Consequently, the ever-present need to deter- mine the background range in a new area can hardly be...shown in Figure 4-3. He attributes the variation X Mine shaft o Sample point â Y WKKE II 50 05meriietets...arsenic content of sandstone adjoining gold vein, Bell Mine, Southern Rhodesia. After James (1957a). mechanism |  | | Book (edition) | | age (about 680 million years) in the Mt. Gunson Mine, South Australia (photograph courtesy of G. E. Williams)...smectite 10. kaolinite, halloysite, allophane 11. gibbsite, boehmite 12. hematite, goethite 13. anatase,...weather-resistant minerals such as kaolinite, gibbsite, and hematite. The process of ferrallitization...and highly weathered aluminous minerals such as gibbsite are common in these soils. Their low base status...stained red and opaque with hematite or pink with gibbsite. There may also be small grains of quartz within |  | | Book | | VI Contents Uranium speciation in two Freital mine tailing samples: EXAFS, ”-XRD, and”XRF results Andreas..... 3 17 Passive Biological Treatment Systems of Mine Waters at WISMUT Sites Annette Kiichler, Gunter...metals, arsenic and uranium from model solutions and mine drainage waters Gunnar Horak, Christian Lorenz,...waste dwnps from 1nining explorations - Barzava mine Dragos Curelea, Dan Georgescu, Florian Aurelian...703 Hydrochemical Aspects of the Flooding of the Mine Konigstein - A Water Mixing Model for Recognizing |  | | Journal (volume) | | Bolivia's Case for the League of Xations 2^1 Greenside Mine. Borlase, W. H Emmons and Grnner (m.d.). . 2r)3...at Repqft Dolcoath Mine Dolcoath's Financfs Dolcoath's Future Dollv Varden Mine Draper, Murray "211...Gold Mines Flats and Sops in Furness Flin-Flon, Mine Option on Flin-Flon Ore-body Flotation Litigation...Schwarz (m.rf.) Kalgoorlie, Strike at Kalgurli Mine Closes Katathemiometer, Dr. Hill's Keeley Silver...Gases from Water {m.d.) Killifreth Mine, Geology of Kingsdown Tin Mine 31, 100, 161, 22o, 293, Kirkland |  | | Book (edition) | | First Edition For two decades, an earlier work of mine â Practical Gemmology â has proved a useful elementary...similar geological setting also occur at the Menzies mine in Western Australia and these rocks also have been...first stage is to 36 Note on the Word âOriginâ mine the upper part of the pipe as an open pit to a maximum...(1999; ISBN 1551923343). Construction of the Ekati mine was completed in 1998. It is interesting to note...The appendices, in particular, contain details of mine operations and statistics 77 Diamond I while |  | | Book (volume) | | ABBADIDES, a Mahommedan dynasty which arose in Spain on It lasted from about 1023 the downfall of the...called in Yusef ibn Tashfin, the Almoravide (see Spain, History, and Almoravides). During the six years...The result was a great schism among the Jews of Spain and southern France, and a new impulse was given...established themselves in Africa and Khorasan (Spain had and the development by Selim I. See Caliphate...accompanied Celtic monastic missions to France and Spain, and even to Rome itself. At a later period, a.d |  | | Book | | Karst and Caves, Japan Alpine Karst Altamira Cave, Spain: Archaeology America, Central America, Central and...Southwest Asiago Plateau, Italy Atapuerca Caves, Spain: Archaeology Australia Australia: Archaeological...Caves Phytokarst Picos de Europa, Spain Pierre Saint-Martin, France-Spain Pinega Gypsum Caves, Russia Piping...Caves, Hungary-Slovakia: Archaeology Altamira Cave, Spain: Archaeology America, Central: Archaeological Caves...Southeast: Archaeological Caves Atapuerca Caves, Spain: Archaeology Australia: Archaeological and Paleontological |  | | Journal (issue) | | Shown here is the recovery plant at the Jwaneng mine in Botswana. Photo courtesy of Debswana. another...2020 Yasukazu Suwa I t took about 2,700 years to mine and fashion an estimated 0.8 tons of diamonds before...products have not been sullied at any step from mine to retail. Consumers want to know that their purchase...locality. What would be wrong with, say, ParaĂba Africana?â âBrian Cook âIâll show you Mozambique stones...(see inside front cover of this issue). The Pala mine owners, as well as Pala International/The Collector |  | | Book (volume) | | religious allegiance of the people. In Italy and Spain, on the other hand, the riders, who continued loyal...not, for the rulers of Catholic countries, like Spain and France, and of England (before the publication...Germany, Hungary and the northern kingdoms; while Spain, after reÂŹ maining neutral for a time, went over...France, of ditioasla Ferdinand and Isabella of Spain, of Henry VII. and atthâeâny Henry VIII. of England...the learned, whether in France, England, Germany, Spain or Italy. He was a firm believer in the efficacy |  | | Book | | molar of an African savanna elephant (Loxodonta africana UM R1910) in oblique occlusal view (digitally...Myotragus balearicus from the Balearic Islands of Spain. It is interesting that these two species should...and physiological implications. Palaeontologia Africana, 30, 97â102. Christen, P., Ito, K., & van Rietbergen...the fossil bovid Myotragus balearicus (Majorca, Spain): implications for life-history evolution of dwarf...implications Pyrite Hematite Lepidocrocite Goethite Gibbsite Halite Calcite Siderite Natron Trona Thenardite |  | | Book | | jurisdiction of four countries â Brazil, Portugal, Spain, Great Britain â have geological bibliographies...also undergone alteration into what appears to be gibbsite. Some haiiyne crystals have a clear blue colour...calc-alkaline types similar to rocks studied in Western Came MINE. are given in Table 21, Netva (1954b) described...associated limonite, of goethite and hematite, gibbsite and kaolinite. the former Between the walls...Fraction: Silica Giobertite Calcite Limonite Gibbsite Insoluble Fraction Quartz Ca0Si0, MgOSiO, FeOSiO |
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