 | | Journal (article/letter/editorial) | | Schneider The geology of the Lega Dembi gold deposit, southern Ethiopia: implications for Pan-African...January 1997 Abstract The Lega Dembi deposit is the largest gold producer in Ethiopia. It is situated in late-Precambrian...sediments of the N-S trending, volcanosedimentary Megado belt, which forms part of the lateProterozoic Adola...Adola granite-greenstone terrane in southern Ethiopia. The lode-gold mineralization occurs in a N-S trending...gneisses and the volcanosedimentary sequence of the Megado belt. This contact also marks the northernmost |  | | Journal (article/letter/editorial) | | Mineralization of the Lega Dembi Gold Deposit, Adola Gold Field, Southern Ethiopia Solomon Tadesse Department...Addis Ababa University, PO. Box 1176, Addis Ababa, Ethiopia (Manuscript received March 12,2003; accepted January...Abstract ........ The Lega Dembi Primary Gold Deposit in southern Ethiopia is related to the shear...related to mafic volcanism. Key words: Ethiopia, Lega Dembi, gold, volcano-sedimentary sequence, shear-zone...shear-zone gold. Introduction The Lega Dembi Primary Gold Deposit (LDPGD) is located about 500 km south |  | Mogessie, A., Krenn, K., Schaflechner, J., Koch, U., Egger, T., Goritchnig, B., Kosednar, B., Pichler, H., Ofner, L., Bauernfeind, D., Tadesse, S., Demessie, M. (2002) A geological excursion to the Mesozoic sediments of the Abay Basin (Blue Nile), recent volcanics of the Ethiopian main rift and basement rocks of the Adola Rea, Ethiopia. Mitteilungen der Österreichischen Mineralogischen Gesellschaft, 147. | Journal (article/letter/editorial) | | MAIN RIFT AND BASEMENT ROCKS OF THE ADOLA REA, ETHIOPIA by A. Mogessie, K. Krenn, J. Schaflechner, U...Addis Ababa University, Ethiopia 2Ethiopian Institute of Geological Surveys Ethiopia 43 44 1. GENERAL...INTRODUCTION The field excursion to Ethiopia took place from April 5 to 22, 2001. Ethiopia has a varied geology and...making up the Ethiopian plateau; ii) the Main Ethiopia Rift containing a number of lakes and geothermal...details. 45 2. INTRODUCTION TO THE GEOLOGY OF ETHIOPIA The basement upon which all the younger formations |  | | Journal (article/letter/editorial) | | exsolutions with smaller volume (e.g. greigite or pentlandite) can play similar role. Key words: argentopentlandite...Finnish deposits; Mariko et al. (1973) from Kamaishi mine, Japan; Groves and Hall (1978) from Mount Windarra...producing the well-known octahedral cleavage of pentlandite. This cleavage can be observed parallel to the...octahedra. 26 For better comparison with argento-pentlandite and in order to leave the array of S atoms placed...formation of stable metal-excess phases (like pentlandite) and monosulphides (like pyrrhotite and mackinawite) |  | | Journal (article/letter/editorial) | | have described “selenian pilsenite” from Lega Dembi, Ethiopia (Cook & Ciobanu 2001b) and include an analytical...native bismuth (Bi) and galena (Gn) from the Clogau mine, Dolgellau gold belt, North Wales, U.K. [Section...Creek, N.T., Australia: Henley et al. (1975), Suttsu mine, Japan: Shimizu et al. (1995), Nevskii, Russia:...reported from the same type-locality (Santa Catarina mine near Guanajuato, Mexico; see Earley 1950, Ramdohr...(1970) (Falun, Sweden), Shimizu et al. (1995) (Suttsu mine, Japan), and Yefimov et al. (1988) and Mozgova et |  | | 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...such as pyrrhotite, chalcopyrite, galena and pentlandite are present as disseminated grains within the...traceelement concentrations between the peripheral region and core parts of pyrites and it indicates that...Auquartz vein mineralization in TTG host rocks, Renabi mine area, North Ontario: Structural analysis, microstructural |  | | Journal (article/letter/editorial) | | deposit. Today, Sukari is the single major producing mine in US the Eastern Desert but many other significant...and eastern Egypt, through Sudan, Eritrea, and Ethiopia, and into Kenya (Fig. 1). Prior to Red Sea rifting...is a poorly CE exposed contact in Kenya and Ethiopia with a pre-Neoproterozoic crustal block referred...largescale open-pit and a high-grade underground mine. Franzmann et al (2015) report total T measured...underground operations in 2011. In 2012, the Sukari Gold Mine Co. mined 6.4 Mt of ore, processed 4.5 Mt of ore |  | | Book (edition) | | the mineral industry and human consequences 11.6.1 Mine waste catastrophe 11.6.2 Mineral process plant failure...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...metal and is also commonly associated with acid mine drainage, and acid sulfate soil environments 16 |
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