| | Report (issue) | = 16.763(2) Z=4 X-ray Powder Pattern: Mounana mine, Gabon. 8.30 (10), 2.98 (8), 4.17 (6), 2.57 (6)...18.56 2.05 13.90 8.85 Total 100.06 (1) Mounana mine, Gabon; corresponds to (Ba0.92 Pb0.09 )Σ=1.01 (UO2...oxidized zone of a Pb-bearing U–V deposit (Mounana mine, Gabon). Association: Curienite, duttonite, vanuralite...carnotite, dewindtite, torbernite, uranopilite, johannite, kasolite (Mounana mine, Gabon). Distribution: Exceptional...crystals from the Mounana uranium mine, Franceville, Gabon. At Kambove and in the Musonoi mine, near Kolwezi | | | Book | ........................................... 36 Gabon ..................................................uranium if higher prices justify reprocessing the mine tailings to recover some of the uranium that was...wastewater during environmental reclamation at a mine that has ceased production. The following statistical...was about 270 tU. In Argentina the Sierra Pintada mine had been in standby status since 1999 and was expected...recovered from mine rehabilitation activities; small amounts were likewise recovered during mine remediation | | | Journal (article/letter/editorial) | Mex ico. Photo by Lou Perloff. Figure 2: Meta-torbernite, Chalk Mountain, Mitchell County, North Carolina...most famous locality, Katanga district (Shaba Province), Zaire. Most of the uraninite-bearing veins in...processes. Figure 5 (above): Cuprosklodowskite, Musonoi mine, Zaire. Photo by Lou Perloff. Figure 6 (right):... France, is tetragonal and closely resembles torbernite in appearance. The crystals are typically thin...weathering of the crystal surface. The Daybreak mine in Washington has produced the finest United States | | | Report (issue) | 45(3) c = 16.34(4) X-ray Powder Pattern: Mounana mine, Gabon. 3.005 (vvs), 8.19 (vvs), 4.10 (vs), 5.13...00 8.44 Total 99.95 100.00 100.00 (1) Mounana mine, Gabon; by gravimetric and photometric methods,...03 (UO2 )2 (V2.04 O8 ) • 4.94H2 O. (2) Abertamy mine, Czech Republic; by electron microprobe, H2 O by...oxidized zone of a Pb-bearing U–V deposit (Mounana mine, Gabon). Association: Francevillite, duttonite...carnotite, dewindtite, torbernite, uranopilite, johannite, kasolite (Mounana mine, Gabon); sphalerite, galena | | | Report (issue) | 52(5) β = 103◦ (20)0 X-ray Powder Pattern: Mounana mine, Gabon. 11.98 (FFF), 5.98 (FF), 3.975 (Fd), 3.231...17.97 5.04 20.47 Total 100.22 100.00 (1) Mounana mine, Gabon; corresponds to Al1.02 (UO2 )2.11 (V2 O8...oxidized zone of a lead-bearing U–V deposit (Mounana mine, Gabon). Association: Metavanuralite, francevillite...dewindtite, torbernite, uranopilite, johannite, kasolite. Distribution: Name: From the Mounana uranium mine...mine, Franceville, Gabon. For VANadium, URanium, and ALuminum in the composition. Type Material: National | | | Journal (article/letter/editorial) | mobile, soluble uranyl cation [UO2]2+, such as torbernite and francevillite (Fig. 1); and rarely as the... (a) Torbernite on kasolite from Shinkolobwe, DRC; (b) chervetite on francevillite from Mounana mine...mine, Gabon. Field of view ∼2.5 mm across. Collection Valérie Galea-Clolus. oxidise readily to produce a...saléeite dewindtite francevillite tyuyamunite torbernite torbernite chervetite mounanaite moctezumite moctezumite...Eva mine, Northern Territory, Australia Ranger U mine, Northern Territory, Australia Ranger U mine, Northern | | | Book | 114 Autunite............................... 116 Torbernite (Chalcolite) . 118 Meta-zeunerite and Novacekite...which it was discovered in Badakhshan, an Afghan province situated at the foot of the Pamir Mountains. The...ornamental purposes since Roman times (Blue John Mine). It some times displays the phenomenon of dichroism:...manganese deposits in warm climates, such as Moanda, in Gabon, or Hotazel, South-WestAfrica. 1 - Dolomite (Eugui...of the crystals can be quite brilliant. In Morgan Mine, Carson Hill (Calaveras County, Colorado), in the | | | Catalog/List | (1950-1960) in the prolific African fields of Mounana, Gabon and Shaba, Zaire (then Katanga, Belgian Congo)...Gilbert Gauthier, a noted mining engineer in Shaba Province at the time, states that "You could have been...of the Mine" collection, assembled as a museum display in the offices of the Shinkolobwe mine, was ordered...from this locality today. The situation at Mounana, Gabon was quite different. Here a number of specimen...sorting could take place. An excellent account of Mounana is found in The Mineralogical Record, Vol. 6:237-249 | | | Journal (article/letter/editorial) | at Shinkolobwe,it is more likely from the Musonoi mine in the same district. The specimen is 12.5 cm wide...uranocircite and metauranocircite (Cook 1994), and torbernite and metatorbernite are but a few examples of...dehydrate, he states that “there are probably no torbernite specimens in any mineral collections unless they...specimen (see fig.), one that may have begun as torbernite but which today is certainly metatorbernite....that are clearly dehydration pseudomorphs after torbernite may exhibit octagonal or rarely pyramidal shapes | | | Journal (issue) | James R. Winchell The Uranium-Vanadium Deposit of Mounana, G a b o n ......................................THINK YOU HAVE FOUND A NEW MINERAL? Pete J. Dunn Department of Mineral Sciences Smithsonian Institution Washington...species, the locality, and the particular part of the mine or quarry from which the spec imens came, the date...were unearthed. Miscellaneous by-products at the mine were dumped, and it was in this area of the operation...areas of the operation were visited, and the actual “mine” and its operation were observed. Of particular | | | Report (issue) | product of uraninite. Association: Uraninite, torbernite, curite, dewindtite (Kasolo, Congo); rutherfordine...the Musonoi mine, Kolwezi, Katanga Province, Congo (Shaba Province, Zaire). At Mounana, Gabon. In Germany...from the Green Monster mine, Goodsprings district, Clark Co., and the 4-D mine, Marietta district, Mineral...Mineral Co., Nevada; and in the Ross-Adams mine, Bokan Mountain, Prince of Wales Island, Alaska. In Canada... from the Nicholson mines. In the Santo Domingo mine, Santa Eulalia, Chihuahua, Mexico. A number of other | | | Book | ........................................... 75 Gabon ..................................................vvastewater during environmental reclamation at a mine that has ceased production. The following statistical...Saskatchewan, is the world's largest high-grade uraniu1n mine. The ore from that ,nine is crushed and treated...to start production at the Talvivaara Ni-Zn-Cu-Co mine, ,vhere bio-heap leaching is used to extract metals...Production is expected to grow when the Four Mile ISL mine comes on strea1n, and planned expansion of Olympic | | | Journal (article/letter/editorial) | ROBERT B. COOK Department of Geology Auburn University Auburn, Alabama 36849-5305 Uranocircite Downloaded...of Glasgow] at 09:21 02 January 2015 SSo Pedro Mine, Malacacheta District, Minas Gerais, Brazil THE...(Fleischer 1991) places uranocircite along with torbernite in the autunite group and meta-uranocircite along...meta-uranocircite-I. The locality has been given as the Slo Pedro mine at the town of Suacui near the city of Malacacheta...from Farnwitte near Menzenschwand, Germany; Mounana, Gabon; Coconino County, Arizona; Lawrence County | | | Journal (issue) | GUIOLLARD Symbole de la radioactivité Cristal de torbernite et macle de billiétite idéalisés L'URANilTM...tranche unidescenda11te sous dalle de béton à la mine de Margnac (Haute-Vienne) - Photo: COGEMA (GST)... Auj ourd ' hui , il ne reste plu qu' une seule mine d' ura nium en acti vité, à Jouac dans le nord du...Victo r Lassall e décou vre la chalcolite dans la mine du Crôt Blanc près de Gru ry (Saône-etLoire). En...SaintSylvestre (Haute-Vienne). Pendant ce temps, la mine de radium de Shinkolobwe (Katanga) est réouverte | | | Catalog/List | and masses. 3x4½x2½" $125. 00. 2. SILVER Amethyst mine, Creede, Mineral Co., Colorado. Dull silvery metallic...2x2½xt!' $125. 00. 7. GOLD Mina St. Georges, Province of Antonio) Chile. vein in pyrite and quartz mat...terminations. 3x3½x2" $35.00. 30. ANHYDRITE Eagle Picher mine, Niaca, Chihuahua, Mexico. radiating elongated etched...minor muscovite. 2½x3½xh" $150. 00. 33. AZURITE Czar mine, Bisbee, Cochise Co., Arizona. Choice dee~ blue...2¼x2¼xh" $150. 00. 34. BECQUERELITE Shinkolobwe mine, Shaba, Zaire. Superb bone,-yellow to brownisbgolden | | | Catalog/List | and masses. 3x4½x2½" $125. 00. 2. SILVER Amethyst mine, Creede, Mineral Co., Colorado. Dull silvery metallic...2x2½xt!' $125. 00. 7. GOLD Mina St. Georges, Province of Antonio) Chile. vein in pyrite and quartz mat...terminations. 3x3½x2" $35.00. 30. ANHYDRITE Eagle Picher mine, Niaca, Chihuahua, Mexico. radiating elongated etched...minor muscovite. 2½x3½xh" $150. 00. 33. AZURITE Czar mine, Bisbee, Cochise Co., Arizona. Choice dee~ blue...2¼x2¼xh" $150. 00. 34. BECQUERELITE Shinkolobwe mine, Shaba, Zaire. Superb bone,-yellow to brownisbgolden | | | Catalog/List | gossan in association. 2!-x2". £1.25. Hingston Down Mine, Gunnislake, Cornwall. Rich apple green crystaline...granite. 2tx2t". £1. BARYTDCALCITE.Nentsberry Haggs Mine, Alston, Cumberland. Well formed sheaves of pale...Erythrite. 2xltxH". £3.5C. . 11. BOhNITE. Levant Mine, Pendeen, Cornwall. An unusual specimen showing...sulphidic matrix. 4x2t". £5. 14. BROCHANTITE. Geevor Mine, Pendeen, Cornwall. Rich emerald green crystalised...Basalt matrix 4x3". £3. 17. CASSITEhITE. Goonbarrow Mine, Bugle, Nr. St. hustell, Corm/a 11. A pure resinous | | | Journal (article/letter/editorial) | locality) and that drate mineral phases,such as torbernite-metatorbernite. from Utah and Colorado (Thompson's...crystallographic erties of the Na mineral from the Cactus Rat mine in Utah and showed that its hydration state is stable...their description of this new Omineral from the J J mine, Paradox Valley, Colorado, reported that the mineral...bample no. AW-15-55.6. Lindb6rget al. (1962).J J mine, MontroseCounty,Colorado.Sampleno. GJM-70-1. 7....Sampleno. cJM-70. 8. Weeks et al. (1964).GbldenCycle mine, MontroseCounty,Colorado.Sampleno.AW-141-56. 9. | | | Journal (article/letter/editorial) | Paleoproterozoic; Uranium; Manganese; Atmosphere; Oklo; Gabon; Carbon isotopes; Black shales 1. Introduction...Introduction The natural nuclear fission reactors in Gabon are unique. The possibility that nuclear fission reactions...Oklo uranium deposit of the Francevillian Series, Gabon (Neuilly et al., 1972). Other uranium deposits of...in the Paleoproterozoic uranium ore deposits of Gabon. This observation raises the question whether this...age of 76 5009/6800 years obtained on secondary torbernite related to the weathering of the Bangombé uranium | | | Catalog/List | attractivli r or display. 11. BARYTES. Hilton Mine, Scordale, Westmoreland. Lustrous, transparent to...matrix. 3x3x2". £6.50. 12. BARYTES. Ale & Cakes Mine, Gwennap, Cornwall. unusual, lustrous, translucent...veinstuff. 2tx2xl". £6.50. 13. BARYTOCALCITE. Blagill Mine, Nr. Alston, Cumberland. Choice, transparent, slightly...century. ltxltxlt". £6.50. 16. BORNITE. DolcCQth Mine, Camborne, Cornwall. unusual, 'arnished, bot ryoidal...association. 4x2b<1-t" •. £B.OO. . 20. CALCITE. Dimple Mine, Nr. Matlock,·Derbyshire. Sharp, transparent, creamy | | | Catalog/List | attention at all times. JULY 1973 1. ADAMITE. Ojuela Mine, Mapimi, Mexico. Choice well-formed yellowish green...gossan. lxl lT • £1- 6. ARTHURITE. Hingston Down Mine, Gunnislake, Cornwall. Rich green crystaline to...Li~ht green 2tx2t". £1. AUTUNITE. South Terras Mine, st. Stephens, Cornwall. Light yellowish green platy...Quartz matrix. 2xlt". £2.50. A?1JRITE. Copper Queen Mine, Bisbee, Arizona, U.S.A. Bright blue cellular mass...crystals. 3tx2t". £10. 10. A?1JRITE. Carharrack Mine, Gwennap, Cornwall. Fine bright blue platy crystals | | | Journal (article/letter/editorial) | Zaire; Tsumeb, Namibia; Colquechaca, Bolivia; Mounana, Gabon; Terlingua, Texas; Mt. St. Hilaire, Quebec;...Golden brown barite crystals, Villamassargia, near mine, Guanajuato, Mexico (8.5 cm). Iglesias, Sardinia...Enna, Sicily (6 cm). West 800 Level, White Capps mine, Man- 11: Dark grey stibnite crystals, (variety... Nuristan, Laghman hattan, Nevada (9.5 cm). Province, Afghanistan (5.3 cm). Figure 13: Silver, Calumet...fluorite crystals on grey galena crystals, Elmwood mine, Carthage, Tennessee (5 cm). Figure 17: Transparent | | | Report (issue) | UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY PRINCIPAL URANIUM DEPOSITS OF THE WORLD ...Angola, Peoples Republic of........................ Gabon, Republic of................................. Central...minerals, such as carnotite, tyuyamunite, torbernite, meta-torbernite, autunite, meta-autunite , uranophane...secondary minerals in sandstone deposits. Autunite, torbernite, and uranophane are especially widespread uranyl...Saskatchewan, Canada; the Shinkolobwe, Katanga Province, Zafre; and the medium-sized deposits at Joachymov | | | Journal (issue) | tra11che 11nidesce11dame s011s dalle de bé1011 à la mine de Margnac (Ha11te-Vie1111e) - Photo: COGEMA (GST)...siècle. Aujourd·hui. il ne reste plu qu·une eule mine d"uraniurn en acti ité. à Jouac dan le nord du département...Klaproth découvre cc nouveau métal dan du minerai de mine de Jachymov (Joachimsthal). le baptisant du nom...l925. Victor La aile découvre la chalcolite clan la mine du Crôt Blanc prè de Grury (Saône-et Loire). En...l'étranger : dès 1 954 à M adaga car, au Gabon où le gisement de Mounana prè de Francev ille e l découve1 1 | | | Catalog/List | 94403 U.S.A. Old No. l Headfnme. Whi ■ key Hlll Mine, Tuohnne County, CaUfomla (r■-,u. .SV•t- tor cr11•t•J...association. Few of the minute crystals you see on mine or quarry dumps or even on cabinet specimens will...dumps or surface float. Mirute crystals seen on a mine dump are a clue but nearly always tao weathered...'hite hairs on feldspar. 784 ADAMITE, Moha\'.1k Mine, San Bernardino County, r.alifornia. Group o f colorless...pezohedra in vugs in basalt. ANAPAITE, Lerida Province, Spain. Light green transparent triclinic crystals |
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