 | | Journal (issue) | | got the analysis we had been waiting for, although mine is still pending further analysis. It is a pleasure...specific topics, dinosaurs, geology of chalk, fossils, mine locations, gems and gem trails and of course David’s...talk on members’ specimen analysis. For my talk on Baryte, it was an opportunity for Pam and me to spend...Elvire Mortimer to talk about their history of Baryte collecting and to photograph and feature many of...producing the barytes. In my talk on Baryte I made the assumption that the baryte nodules must be coming up rather |  | | Book | | (individual deposit) and regional scale (uranium province). Their ideas, observations, and data have directly...Granite-Related Vein Uranium Deposits: Schwartzwalder Mine, Front Range, USA ................................Uranium Deposits: Shinkolobwe, Katanga Copper Province, Zaire .........................................Deposits in Proterozoic Sandstones: Franceville Basin, Gabon ......................... 224 232 237 246 250 250...when analyzing pitchblende from the George Wagsfort mine at Johanngeorgenstadt, Sachsisches Erzgebirge (Saxonian |  | | Report (issue) | | deposits of Mas Laveyre (France) and Mikouloungou (Gabon). 5 3. Hematite breccia complex deposits: Deposits...activities include drilling and coring to complete final mine plans and establish final processing flowsheets...case of an underground mine or overburden stripping in the case of an open pit mine, mill construction,...direction and dips south at 15–30º. In the Main Mine Series the ore zone is up to 35m thick. Jabiluka...open to the south and east at depth. In the Main Mine Series the ore zones are up to 135m thick. The metasedimentary |  | | Journal (issue) | | evening speakers was giving a talk on the Golconda Mine in Derbyshire, and I'd like to know what I missed...the event, Dr David McPhail from the Materials Department of the Imperial College of Science, Technology...deterioration and, in particular, the work his department was carrying out in collaboration with the Victoria...that a visit can be arranged to the Materials Department of Imperial College later this year so that members...view some of the other work carried out by the department. 'The Measurement of Chemical Components' was |  | | Report (volume) | | Editors: Peter C. Burns' & Robert Finch 2 1 Department of Civil Engineering and Geological Sciences...Environmental issues such as coping with uranium mine and mill tailings and other uranium-contaminated...and Geochemistry of Natural Fission Reactors in Gabon Janusz Janeczek 8 393 Geomicrobiology of Uranium...and Geochemistry of Natural Fission Reactors in Gabon Janusz Janeczek INTRODUCTION: NATURAL FISSION REACTORS...largest construction projects in the history of the Department of Energy. Approximately three billion dollars |  | Owen, Nicholas D., Cook, Nigel J., Rollog, Mark, Ehrig, Kathy J., Schmandt, Danielle S., Ram, Rahul, Brugger, Joël, Ciobanu, Cristiana L., Wade, Benjamin, Guagliardo, Paul (2019) REE-, Sr-, Ca-aluminum-phosphate-sulfate minerals of the alunite supergroup and their role as hosts for radionuclides. American Mineralogist, 104 (12) 1806-1819 doi:10.2138/am-2019-7116 | Journal (article/letter/editorial) | | In another Cu deposit within the Olympic Cu-Au province, Owen et al. (2018) identified at least two events...Fe-dominant chlorites (chamosite), fluorapatite, baryte, and fluorite. Individual APS mineral grains (5–40...other ore systems in the Olympic Cu-Au 1815 Province (Owen et al. 2018). Last, acidic fluids containing...references therein) and for removal of toxic metals from mine waste waters such as As and Ni (Monteagudo et al... 2003, 2006). Additionally, within the Oklo U deposit (Gabon), Dymkov et al. (1997) identified the migration |  | | Journal (article/letter/editorial) | | generally prismatic and typically associated with baryte and REY minerals (REE + Y = REY). Brannerite-C...rutile within sericite; blebs of brannerite with baryte often found near REY minerals (zircon/monazite)...blebs of brannerite-B (Brn, S4.33) intergrown with baryte (Brt) on the edge of a hematite (Hem) grain containing...rutile lamellae. Brannerite is intergrown with baryte, bornite (Bn) and chalcocite (Cct), and there is...shape of some individual rutile grains. Adjacent baryte contains a fine-grained dusting of Cu-(Fe)-sulfides |  | | Catalog/List | | auction of the newly minted Nature & Science department. It will be held in the Dallas Design district...com/5110 87003 CYANOTRICHITE Grandview (Last Chance) Mine, Grand Canyon, Coconino Co., Arizona, USA Fuzzy...200 87004 KROEHNKITE Chuquicamata Mine, Calama, El Loa Province, Antofagasta Region, Chile A very sizable...MALACHITE PSEUDOMORPH after AZURITE New Cornelia Mine (Ajo Mine), Ajo, Little Ajo Mts, Ajo District, Pima Co...Estimate: $250-$500 87007 FLUORITE Hill-Ledford Mine, Cave-in-Rock, Cave-in-Rock Sub-District, Illinois |  | | Journal (article/letter/editorial) | | deposits are found in the Franceville Basin of Gabon and at Ambrosia Lake/Grants District, New Mexico...uncertain; it may have been at depth (-i000 m in the Fay Mine) or from an open pit (Bolget, Gunnar). This Hudsonian...peneconcordant ~veins" in the deep sections of the Fay Mine - Beaverlodge Canada and the mineralizations beneath...calcite/carbonate and occasionally fluorite and baryte. Geoehronologically, these hydrotherreal lodes...Port Radium/Canada), and Laramide (Schwartzwalder Mine/USA). Contents vary between 0.I and 1% of uranium |  | Yu, Chi-Da, Wang, Kai-Xing, Liu, Xiao-Dong, Cuney, Michel, Pan, Jia-Yong, Wang, Gang, Zhang, Lin, Zhang, Jian (2020) Uranium Mineralogical and Chemical Features of the Na-Metasomatic Type Uranium Deposit in the Longshoushan Metallogenic Belt, Northwestern China. Minerals, 10 (4) 335 doi:10.3390/min10040335 | Journal (article/letter/editorial) | | China and belongs to the Qilian-Kunlun uraniferous province [31]. The Hongshiquan intrusive-type uranium deposit...pitchblende cement around apatite, calcite, and baryte; (Figure 5E); and (5) infilling around early apatite...uranium deposit of the Longshoushan area, Gansu Province and their genesis. Geol. Explor. 2012, 48, 1101–1108...Jiling uranium ore field in Longshoushan, Gansu Province. Geol. Explor. 2014, 50, 0641–0648. (In Chinese)...uranium deposit in the Longshou Mountains, Gansu Province. Bulletin of Mineralogy. Petrol. Geochem. 2017 |  | Nagy, B., Weber, R., Guerrero, J. C., Schidlowski, M. - Eds. (1983) Developments in Precambrian Geology - Developments and Interactions of the Precambrian Atmosphere, Lithosphere and Biosphere, Compilation of papers based on the presentations of participants at, or contributed by authors unable to attend, the IGCP Projects 157 and 160 meeting at the Universidad Nacional Autonoma de Mexico in Mexico City - Developments in Precambrian Geology No. 7. Elsevier. doi:10.1016/s0166-2635(08)x7011-2 | Book | | January 11-14, 1982. Edited by B. N A G Y Department of Geosciences, University of Arizona, Tucson...C A 80307 (U.S.A.) K.J. ZAHNLE Department of Astronomy and Department o f Atmospheric and Oceanic Science...WALKER Space Physics Research Laboratory and Department o f Atmospheric and Oceanic Science, The University...13Cdepletion in early Precambrian graphites from Superior Province, Canada. Nature, 290: 696-699. Stevenson, D.J...PRECAMBRIAN AEOLIAN PROCESSES GERALD M. ROSS Department o f Geology, Carleton University, Ottawa, Ontario |  | | Book | | (Diatomaceous Earth) . . . . . . . . 7.14 Fluorite and Baryte . . . . . . . . . . . . . . . . . 7.15 Zeolites...is the minimum grade at which it is worthwhile to mine a certain deposit. Everything below it (low-grade...chalcopyrite (brass) from the Friedrich-Christian Mine in Wildschapbach, Black Forest (Germany) (photo...other minerals such as quartz, feldspar, calcite, baryte, and fluorite that are separated if possible before...black Fig. 1.2 Chalcopyrite on quartz. Silberwiese Mine, Oberlahr, Westerwald (Germany) (photo © Monika |  | | Report (issue) | | SALVADOR ERITREA ESTONIA ETHIOPIA FIJI FINLAND FRANCE GABON GEORGIA GERMANY GHANA GREECE GUATEMALA GUYANA HAITI... Description of a selected deposit: The Denison mine deposit (Canada) ....... 304 Surficial deposits...control between two formations within the basin (Oklo, Gabon). HMm: hydrothermal–metamorphic deposits result...Slovakia); Subtype 4.3. Volcano-sedimentary (Anderson Mine, USA; Sierra Pintada district, Argentina). Type...Wash type, USA). Subtype 9.3. Roll-front (Wyoming Province, USA; Chu-Sarysu Basin, Kazakhstan): Class 9.3 |  | Seydoux-Guillaume, Anne-Magali, Montel, Jean-Marc, Bingen, Bernard, Bosse, Valérie, de Parseval, Philippe, Paquette, Jean-Louis, Janots, Emilie, Wirth, Richard (2012) Low-temperature alteration of monazite: Fluid mediated coupled dissolution–precipitation, irradiation damage, and disturbance of the U–Pb and Th–Pb chronometers. Chemical Geology, 330. 140-158 doi:10.1016/j.chemgeo.2012.07.031 | Journal (article/letter/editorial) | | pyrophanite (Mn and Ti), corundum (Al), haematite (Fe), baryte (Ba), albite (Na), sanidine (K), chromite (Cr)...geological environment of the Oklo natural reactor zones, Franceville basin, Gabon. Geology 28, 743–746. Devidal...around the Oklo-Okélobondo and Bangombé natural nuclear reactor zones (Franceville basin, Gabon). Chemical |  | | Report (issue) | | SALVADOR ERITREA ESTONIA ETHIOPIA FIJI FINLAND FRANCE GABON GEORGIA GERMANY GHANA GREECE GUATEMALA GUYANA HAITI.........................................59 3.3.4. Mine data .............................................Rössing in Namibia and the closure of the Kayelekera mine in Malawi as a result of low prevailing uranium...Republic France China Democratic Republic of the Congo Gabon Hungary Romania Tajikistan Bulgaria India Kyrgyzstan...nuclear fuel production. Other concerns impacting mine development include geopolitical factors, technical |  | | Journal (issue) | | topics 124 . Principal Editor R. A. H O W I E Department of Geology Royal Holloway & Bedford New College...the Blekinge province is not a southerly continuation o f the Svccokarclian orogenic province o f central...t can be correlated with the SW Swedish gneiss province, formed 1800-1650 m.y. ago. Rb-Sr whole-rock isochron...dyke, o f the North Atlantic Tertiary igneous province, range f r o m 4 3 . 8 t o 6 2 . 6 m . y. Interpreted...B a waters to the near surface. The postPermian baryte mineralization which occurred elsewhere along the |  | | Book (edition) | | Manuscript Editor; Audrey Smith, of the production department; William F. Bernhardt, Assistant Executive Editor;...Niger 65. The states of Nigeria 66. Economic map of Gabon and Congo 67. Economic map of Cameroon 68. Economic...GHANA AMEROO o-i-----.::......c...:;_:__:_+--_._, GABON Energy consumption per capita stands at only about...and only three countries (Libya, Mauritania, and Gabon) had rates exceeding the 5 percent goal of the UN...14 8 no11e U.S. Department of Agriculture, commodity publications; U.S. Department of Interior, Bureau |  | | Book | | University of Würzburg Würzburg, Bavaria, Germany Department of Geological Sciences University of Cape Town...Azurite crystals, partly replaced by malachite, Tsumeb mine, Namibia; width of view ca. 3 cm; collection H.E...the Medieval Latin word mina = shaft (minare = to mine). The antique people, e.g., the Greeks and Romans...1), orthoamphiboles (7 Sect. 11.4.3), anhydrite, baryte (7 Sect. 9.1), and aragonite (7 Sect. 8.2). z Tetragonal...7 Sulfates Chromates Molybdates Wolframates *Baryte, BaSO4, *gypsum, CaSO∙42H2O Crocoite, PbCrO4 Wulfenite |  | | Report (issue) | | Council, in agreement with the Staff Side, and the Department of Education and Science. Building operations...meridge Clay, a study which was commissioned by the Department of Energy in 1 976. Particular stress has been...immediate priority has been attached _ by the Department of the Environment for planning purposes. At...the urgent request of the Scottish Development Department. Two fields of work in the South Lowlands District...area with support from the Scottish Development Department. Early in the y·ear the District Geologist of |  | | Journal (article/letter/editorial) | | Axinite-(Mg) Azurite Baddeleyite Bariopyrochlore Barite (baryte) Bassanite Bastnaesite Bazzite Becquerelite Behoite...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content | | | Journal (article/letter/editorial) | | Axinite-(Mg) Azurite Baddeleyite Bariopyrochlore Barite (baryte) Bassanite Bastnaesite Bazzite Becquerelite Behoite...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content |  | | Book | | B.P. 6009 F-45060 Orleans, France R. Bloise, Department Mineralurgie, B.R.G.M., B.P. 6009, F-45060 O...O rleans, France Dr. G. Dufour, Department de Paris, Direction des Affaires Sanitaires et Sociales, 44...Geological Prospecting, Moscow, USSR G . V. Kulikov, Department of Scientific and Research Institutions, USSR...Gruzinskay Str. 4-6, Moscow, USSR I. S. Zekster, Department of Groundwater Resources, Institute of Water...have operated about 2.000 million years ago in Oklo, Gabon , could have exerted even greater influence on |  | | Book | | magnitude — are conceptually fixed * Present address: Department of Geology, University of New Brunswick, Fredericton...scarcely credible, it seems there is not a single Department of Applied or Exploration Geochemistry in the...world I know of only one applied geochemistry department (Professor Webb's group at Imperial College,...panning alluvium or oxidized ore obtained from veins, mine dumps or prospects. Some were purchased (three from...were donated (Little Jonny Mine, Colorado, by R.R. Redington; Dixie Mine, Colorado, by William Janes; |  | | Book | | RamdohrlStrunz Klockmann's Lehrbuch der Mineralogie is a mine of rich crystalchemical information, perhaps the... ~ .~~~ . ~ - ... --~ ---.'IIIi!h!91JIM! z: MINe ~f$OOEE Fig. 51. Hooke's drawing emphasizing the..." r-t1",.., 0 0 0 ,., ...' ( ;; 0 150 0 OKlO 0 0 --.£!'.L fJ ( ( 0 .~ ,. " tine Description...(1965) 251. J.o .a.? 30 ... Fig. 2 312 BJ12J BARYTE st °4 Pnma a 8.8701 ~ b 5.4534 ~ c 7.1507...Anglesite Pb~~ st 04 Celestite SrJi.zJ st 04 The baryte structure consists of isolated S04 tetrahedra linked |  | | Book | | Silver Minerals 133 Silver Resources and Reserves 134 Mine Production of Silver 134 Silver Manufacture – Metallurgical...Technology 146 Brass – Copper and Zinc 147 The Copper Mine in Falun 148 Copper Ores 151 Copper Minerals 151...… 469 ... But China Has Most of It 470 Worldwide Mine Production and Reserves 471 Separation of the RE...5.3 21.6 21.7 Vanadium in Titaniferous Rock 543 Mine Production 544 Manufacture of Vanadium and Vanadium...Types of Minerals and Ores 597 World Resources, Mine Production and Ore Concentration 598 Manufacture |
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