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Bismuth from
Lega Dembi Mine, Megado, Oromia Region, Ethiopia


Locality type:Mine
Classification
Species:Bismuth
Formula:Bi
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bismuth data
Locality Data:Click here to view Lega Dembi Mine, Megado, Oromia Region, Ethiopia
Data Identifiers
Mindat Occurrence Record ID:1620356
Long-form Identifier:1:3:1620356:5
GUID (UUID V4):3aaaee99-8f17-40f4-8253-d72638d7a49b
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
purposely lacking, as all information on regional and mine geology, host rock and ore sample descriptions,...India; Pilgrim’s Rest [30–33], South Africa; Lega Dembi, Ethiopia [34]; Navachab, Namibia [35–40]; Mindyak...Africa, three in India, two in Russia, one in Ethiopia, Brazil and Indonesia. The geographic diversity...Cuiabá, Hutti, Ajjanahalli, Hira Buddini and Lega Dembi are situated in greenstone belts, Renco formed...Ajjannahalli Renco Hutti Hira Buddini Pilgrim’s Rest Lega Dembi Navachab Mindyak Kochkar Awak Mas Barberton
Journal (article/letter/editorial)
minor/trace elements that can be incorporated. Silver, bismuth, antimony, and arsenic Substitution of silver into...SEDEX and Pattison (2000), Lydon (2000) Lega Dembi, Ethiopia Amphibolite facies (430–520 °C) Fiori et...Porphyry Cu Sullivan, Canada Giant SEDEX Lega Dembi, Ethiopia Orogenic gold, Adola greenstone belt Bleikvassli...Romania); and an orogenic gold deposit (Lega Dembi, Ethiopia). The epithermal group includes examples...overprint (e.g., Cook et al. 1998). The Lega Dembi deposit, Ethiopia, is of orogenic Au type. It is included
Report (issue)
= 39.94(3) Z=3 X-ray Powder Pattern: Orijärvi mine, Finland. 3.072 (100), 2.246 (80), 2.112 (80), 1...93 (2) 15.4 3.3 Total 99.88 100.0 (1) Orijärvi mine, Finland; after deducting 4% of galena, sphalerite...ite-biotite rocks (Orijärvi mine, Association: Chalcopyrite, bismuth, sphalerite, molybdenite, silver...silver, pyrite, galena (Orijärvi mine, Finland); tetrahedrite–tennantite, luzonite–famatinite, pyrite,...mawsonite, nekrasovite, chalcopyrite, emplectite, bismuth, calcite, quartz, barite (Kuramin Mountains, Uzbekistan);
Journal (article/letter/editorial)
identified by chemical microanalysis alone. Keywords: bismuth chalcogenides, tetradymite series, system Bi–Te–Se–S...par la RĂ©daction) Most-clĂ©s: chalcogĂ©nures de bismuth, sĂ©rie de la tĂ©tradymite, systĂšme Bi–Te–Se–S, systĂ©matique...Introduction Mineral species of bismuth with tellurium, selenium and sulfur (bismuth chalcogenides) occur in...1979) and tsumoite (BiTe; Yamana et al. 1979). Bismuth atoms are shown in red, tellurium in yellow, and...part of a single homologous series, the name “bismuth–tetradymite homologous series” being used for the
Journal (article/letter/editorial)
sediment-hosted gold deposits such as Lega Dembi gold deposit, Southern Ethiopia, Um El Tuyor gold deposit, Egypt...associated with refractory gold occurrences in the region. J. Earth Syst. Sci. (2019)128:233 Page 3 of...less with the carbonaceous metasedimentary rocks. Bismuth is present as a solid solution or micro inclusions...(Large et al. 2007, 2009; Thomas et al. 2011). Bismuth concentrations also show a positive correlation...traceelement concentrations between the peripheral region and core parts of pyrites and it indicates that
Journal (article/letter/editorial)
Essakane, 20 = Kittilä, 21 = Meliadine, 22 = Lega Dembi, 23 = Fosterville, 24 = Sukhoi Log, 25 = La Lucette...porphyry deposits which plot in the negative t1 region (Fig. 13B). The distribution of samples on the... a higher gold fineness with the chalcopyrite-bismuth mineralgalena-pyrite association is related to...trace element heterogeneity within a single grain. Bismuth is relatively concentrated in the core of electrum...volcanogenic massive sulfide system: the 1806 zone, Ming mine, Newfoundland, Canada. Econ. Geol. 109, 1611–1642
Report (issue)
MAURITANIA MALI NIGER ERITREA CHAD Khartoum* SUDAN ETHIOPIA UG Kampal RWANDA~:c-J:::;.:;.;:;'---.. Kigali...37 Egypt . . . . . . . . . . . . . . . . . . 41 Ethiopia, Djibouti, and Eritrea . . . 47 Gabon . . . ....of diversified experience in mineral exploration, mine design, development, and operations, as well as...:ifiecl) Cobalt, Alumi- Cbromite Ccment Dum mine, Co CODtent (tooa) Algeria 6,400 Angola '250...Cote d'Ivoire ·soo ‱15 16,000 180 Gaboo 175 mine, u,o. Zn content cootent 432,400 2 192 4
Book (edition)
the mineral industry and human consequences 11.6.1 Mine waste catastrophe 11.6.2 Mineral process plant failure... Silver Aluminium Arsenic Astatine Gold Boron Bismuth Bromine Carbon Calcium Cadmium Cerium Chlorine...system had been unearthed along the “Awas River” in Ethiopia following the East African Rift System. “Millennium...tailing in the future. The tailing of Kolar gold mine, India, historically stored at tailing dam, is being...and alloys Delicate acicular ore at Broken Hill mine, Australia, Friedrichssegen, Germany. Secondary
Book
useful for revealing the geodynamic evolution of a region, and more effective for regional prospecting exploration...evolution process of regional structures. This region is located within the southeastern margin of the...were significantly reworked during orogenies. The region witnessed migration and collision between the NCC...Metal minerals are mainly pyrite, natural gold and bismuth tellurite, followed by chalcopyrite, galena, sphalerite...Metallogenesis of super-large gold deposits in Jiaodong region and deep processes of subcontinental lithosphere
 
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