 | | Journal (article/letter/editorial) | | homepage: www.elsevier.com/locate/oregeorev The Guelb Moghrein Cu–Au deposit: Neoarchaean hydrothermal sulfide... Ilot D49 Tevrag Zeina, BP 5045, Nouakchott, Mauritania a r t i c l e i n f o Article history: Received...2015 Available online xxxx Keywords: Guelb Moghrein Mauritania IOCG Hydrothermal Cu–Au Retrograde shear...t r a c t The Guelb Moghrein copper–gold deposit in the Islamic Republic of Mauritania reopened in 2006...Sr and Ba. The copper–gold mineralization at Guelb Moghrein formed during retrograde shearing in metamorphic |  | | Journal (article/letter/editorial) | | oxide–Cu–Au–Co mineralization at the Guelb Moghrein deposit, Akjoujt area, Mauritania Received: 3 June 2005 / Accepted:...March 2006 # Springer-Verlag 2006 Abstract The Guelb Moghrein Fe oxide–Cu–Au–Co deposit, with a total resource...chlorite, calcite, albite, and quartz. The Guelb Moghrein ore body is structurally controlled by shear...rocks, metacarbonates, and the Guelb Moghrein ore body of the Akjoujt metabasalt unit in the footwall...at 580±40°C. Thrusting was retrograde for the Akjoujt metabasalt unit, but prograde for the Sainte Barbe |  | Soloviev, Serguei G., Kryazhev, Sergey G., Dvurechenskaya, Svetlana S. (2013) Geology, mineralization, stable isotope geochemistry, and fluid inclusion characteristics of the Novogodnee–Monto oxidized Au–(Cu) skarn and porphyry deposit, Polar Ural, Russia. Mineralium Deposita, 48 (5) 603-627 doi:10.1007/s00126-012-0449-9 | Journal (article/letter/editorial) | | Novogodnee–Monto deposit is located in the Polar (Arctic) Ural region, some 40 km north of the city of Salekhard (Fig...associated with Cu, Au, and Fe in the Polar Ural region (Yazeva and Bochkarev 1984; Bochkarev and Yazeva...Arsenopyrite Cobaltite NativeAu Galena Sphalerite Altaite Petzite Tellurobismuthite Hessite Montmorillonite Zeolites...assemblage. The tellurides include altaite PbTe, petzite Ag3AuTe2, and hessite Ag2Te, and rare tellurobismutite...01)1.98Te1.02 61.65 0.29 37.57 0.01 0.24 <0.01 Petzite (4)a: Ag3.07Au0.93Te2.90 42.65 23.9 33.03 0.12 |  | | Book | | deposits in Morocco, Algeria, Tunisia, Mali, Mauritania, Egypt, Sudan, and Eritrea. Originally our goal...the setting and origin of major deposits in the region, together with information on tonnages and grades...comparisons and contrasts with MVT deposits in the region. The last part is focused on sediment-hosted iron...deposits of the F’derik-Zouérate iron district in Mauritania, and presents the results of new airborne geophysical...Tunisia, and Comparisons with MVT Deposits in the Region . . . . . . . . . . 497 Sophie Decrée, Christian |  | | Journal (article/letter/editorial) | | of granite-related mineral deposits across the region. Significant indium is found in sulphidebearing...than 20 main stage mineral vein systems across the region. The richest occurrences have been identified at...for targeted exploration and extraction in the region, the metal has significant potential to add value...chalcopyrite, native gold and electrum, hessite, petzite, and stützite. Due to significant erosion, the...eruptions of Caradoc age that occurred in the Snowdonia region of northwestern Wales (Howells et al., 1991). |  | | Book | | ("solutions", "melts", and " v a p o r s ' " in this region are not sharply distinguishable). However, this...fluid (supercritical), pass below 400 °C into the region of liquid aqueous solutions. At the same time their...Chemnitz, and several of the veins of the Freiberg region are distinguished by predominant lead-zinc ores...rocks and at contacts with effusive rocks. I n the region of the geosynclines rocks and mineral deposits...contact aureoles. The occurrences of the Nagpur-Kodur region in Bengal are imposing. Owing to the differences |  | | Report (issue) | | array occupies the site of a former landfill at Fort Carson, Colorado. Tellurium is a critical component...production for the period 2006–10, by country or region and amount.......................................showing selenium concentrations in coal samples, by region of the United States.............................tellurium refinery production in 2013, by country or region..................................................485 p. Sears, Louis, 2011, Jargon alert—Utility: Region Focus (Federal Reserve Bank of Richmond), v. 15 |
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