 | Voicu, Gabriel, Bardoux, Marc, Jebrak, Michel, Crepeau, Robert (1999) Structural, mineralogical and geochemical studies of the Paleoproterozoic Omai gold deposit, Guyana. Economic Geology, 94 (8) 1277-1303 doi:10.2113/gsecongeo.94.8.1277 | Journal (article/letter/editorial) | | Studies of the Paleoproterozoie OmaiGoldDeposit, Guyana GABRIELVOICU? Ddpartement desSciences dela Terre...andOmaiGoldMinesLimited, PO. Box12249,Georgetown, Guyana MARCBARDOUX, MICHELJP.B•I<, Ddpartement desSciences...OmaiGoldMinesLimited, P.O.Box12249,Georgetown, Guyana Abstract The granitoidandgreenstone-hosted Omaigolddeposit...witha quartz monzodioritic intrusion (Omaistock, Fennell pit)andsubvolcanic quartz-feldspar porphyry and rhyolite...volcanic flows andmetasedimentary rocks (Wenot pit).Six gold-bearing undeformed subhorizontal andsubvertical |  | | Journal (article/letter/editorial) | | study of hydrothermal scheelite and host rocks at Omai, Guiana Shield: implications for ore ¯uid source...orogenic gold deposits Received: 11 February 1999 / Accepted: 1 November 1999 Abstract Omai is a high...high tonnage, low-grade, worldclass gold deposit located in the Paleoproterozoic Guiana Shield. It is the...the second most important gold deposit in the Guiana Shield (after Las Cristinas, Venezuela), and one...from the Omai deposit. Gold-bearing veins are hosted by the Paleoproterozoic Barama-Mazaruni Supergroup |  | | Journal (issue) | | on page 4 Omai gold mine shut down after cyanide spill New Yori-The Omai gold mine in Guyana shut down...spilling millions of gallons of cyanide into the Omai and Essequibo Rivers, killing fish and wild life...five days before it was contained on Aug 24. The Guyana government declared the area an "environmental...and diversion of the tailings water into the Fennell Pit has successfully contained the remaining water...Construction and detewatering of the lake George antimony mine has been completed and production will commence |
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