Gabriel Voicu (1999) Geology, Geochemistry and Metallogeny of the Omai Gold Deposit, Guiana Shield, South America. PhD Thesis University of Quebec Chicoutimi.

Voicu, G., & Bardoux, M. (2002). Geochemical behavior under tropical weathering of the Barama–Mazaruni greenstone belt at Omai gold mine, Guiana Shield. Applied geochemistry, 17(3), 321-336.

Reference Search (possible matching items)

	Voicu, Gabriel, Bardoux, Marc, Stevenson, Ross (2001) Lithostratigraphy, geochronology and gold metallogeny in the northern Guiana Shield, South America: a review. Ore Geology Reviews, 18 (3) 211-236 doi:10.1016/s0169-1368(01)00030-0	Journal (article/letter/editorial)
	comrlocateroregeorev Lithostratigraphy, geochronology and gold metallogeny in the northern Guiana Shield, South...3P8 b Omai Gold Mines Ltd., 176-D Middle Street, Cummingsburg, PO Box 12249, Georgetown, Guyana c ´ GEOTOP...improved during the last 20 years, when shallow in situ gold occurrences attracted exploration and mining companies...Suriname and further west towards northcentral Guyana, where it matches with the Makapa–Kuribrong shear...formed during the Trans-Amazonian orogeny. Most gold deposits and occurrences discovered to date in the
	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...volcanic flows andmetasedimentary rocks (Wenot pit).Six gold-bearing undeformed subhorizontal andsubvertical...goldminingoperation in the Barama-Mazaruni Supergroup of north-central Guyana,a GuianaShieldandoneof the majorgolddeposits
	*Voicu, G., Bardoux, M., Voicu, D. (1997) Mineralogical norm calculations applied to tropical weathering profiles. Mineralogical Magazine, 61 (405) 185-196 doi:10.1180/minmag.1997.061.405.03*	Journal (article/letter/editorial)
	attention is paid to the weathering profile from Omai, Guyana, South America. KEYWO~S: mineralogical norm...data obtained for the weathering profile of Omai, Guyana. Most of the MINERALOGICAL NORM CALCULATIONS...Calcite Chlorite Corundum Gibbsite AI-Goethite Hematite Symbols Ab Ant An Ap Bhm Cal Chl Crn Gbs AI-Gt...1992). When this occurs, goethite disappears and hematite becomes the single iron mineral present. Boehmite...the total quantity of the three titanium oxides. Hematite (Fe203) represents a common iron oxide in the
	*(1910) III.—The Residual Earths of British Guiana commonly termed ‘Laterite’. Geological Magazine, S. 5 Vol. 7 (10) 439-452 doi:10.1017/s0016756800135320*	Journal (article/letter/editorial)
	O N pages 20-2 and 99-105 of the Geology of the Gold Fields of British Guiana I gave a condensed account... bauxite." As in the work on the Geology of the Gold Fields I was not dealing with the question of the...segregation, and the concentration into grains of the gold originally disseminated in certain of them, I contented...Konawaruk ltoad, 12 miles Barima River— Arakaka . Mazaruni River— Hiamaraka Creek Iliamaraka Hill Locality...Penal Settlement at Mazaruni, Mazaruni River; and the Oniai Falls at the Oniai Gold Mine, Essequibo River
	Tedeschi, Michael, Hagemann, Steffen G., Roberts, Malcolm P., Evans, Noreen J. (2018) The Karouni Gold Deposit, Guyana, South America: Part II. Hydrothermal Alteration and Mineralization. Economic Geology, 113 (8) 1705-1732 doi:10.5382/econgeo.2018.4610	Journal (article/letter/editorial)
	113, no. 8, pp. 1705–1732 The Karouni Gold Deposit, Guyana, South America: Part II. Hydrothermal Alteration...orogenic gold deposits are located in north-central Guyana 35 km to the west of the 5 Moz Omai gold deposit...orogenic gold deposits for its dominant sodic alteration and distinct lack of potassic alteration. Gold is...zones and as coarse native gold within the quartz-carbonate veins. Minor gold is also located within Au-bearing...sulfidation via redox reaction as a possible mechanism of gold deposition. Mass balance modeling of the hydrothermal
	Padoan, Marta, Rossetti, Piergiorgio, Rubatto, Daniela (2014) The Choco 10 gold deposit (El Callao, Bolivar State, Venezuela): Petrography, geochemistry and U–Pb geochronology. Precambrian Research, 252. 22-38 doi:10.1016/j.precamres.2014.06.024	Journal (article/letter/editorial)
	www.elsevier.com/locate/precamres The Choco 10 gold deposit (El Callao, Bolivar State, Venezuela): Petrography...Choco 10 gold deposit Petrography Hydrothermal ﬂuids and alteration U–Pb geochronology Guyana Shield ...(Bolivar State), Choco 10 is one of the most important gold deposits in Venezuela. The deposit occurs in the...lithostratigraphic Province of the South American Guyana Shield. The Choco 10 lithostratigraphy is composed...elements patterns typical of calc-alkaline rocks. Gold has been introduced into the rock sequence in different
	Santos, João Orestes Schneider, Hartmann, Léo Afraneo, Gaudette, Henri Eugene, Groves, David Ian, Mcnaughton, Neal Jesse, Fletcher, Ian Robert (2000) A New Understanding of the Provinces of the Amazon Craton Based on Integration of Field Mapping and U-Pb and Sm-Nd Geochronology. Gondwana Research, 3 (4) 453-488 doi:10.1016/s1342-937x(05)70755-3	Journal (article/letter/editorial)
	ConceiqBo Mine - PA Sai-Cinza Village - PA Rosa de Maio Mine - AM Abacaxis Mine - AM Mamoal Mine - PA Sequeiro...Sequeiro Mine - AM David Mine - PA Santa Rita Mine - PA Tropas River - PA Jamaxim River - PA BR-230 Highway...Maloquinha Intrusive Suite Iriri Group Jardim Our0 Mine - PA Jamaxim River - PA Amana River - AM 32 lr...(1996); vi) French Guyana: Vanderhaeghe et al. (1998); Milesi et al. (1995); vii) Guyana: Gibbs and Olszewski...GU-Omai 5.9 0.1048 33.7 0.1054 349b qz-monzodiorite GU-Omai 4.7 27.0 351 qz-monzodiorite GU-Omai 6.0
	SILLITOE, Richard H., THOMPSON, John F. H. (1998) Intrusion-Related Vein Gold Deposits: Types, Tectono-Magmatic Settings and Difficulties of Distinction from Orogenic Gold Deposits. Resource Geology, 48 (4) 237-250 doi:10.1111/j.1751-3928.1998.tb00021.x	Journal (article/letter/editorial)
	48, no. 2, 237–250, 1998 Intrusion-Related Vein Gold Deposits: Types, Tectono-Magmatic Settings and Difficulties...Difficulties of Distinction from Orogenic Gold Deposits Richard H. SILLITOE and John F. H. THOMPSON Abstract:...Abstract: A spectrum of intrusion-related vein gold deposits is recognized. Representative examples are...Such intrusions, which may host major bulk-mineable gold deposits, were emplaced along the landward sides...for vein and, by extrapolation, other styles of gold mineralization, not all of them fully appreciated
	Le Mignot, Elodie, Reisberg, Laurie, André-Mayer, Anne-Sylvie, Bourassa, Yan, Fontaine, Arnaud, Miller, John (2017) Re-Os Geochronological Evidence for Multiple Paleoproterozoic Gold Events at the Scale of the West African Craton. Economic Geology, 112 (1) 145-168 doi:10.2113/econgeo.112.1.145	Journal (article/letter/editorial)
	Geochronological Evidence for Multiple Paleoproterozoic Gold Events at the Scale of the West African Craton Elodie...Archean-Proterozoic craton of West Africa hosts numerous gold deposits, which are spatially and temporally related...multiple deformation events. The majority of these gold deposits are located along shear zones. The structural...history is relatively well established for most gold deposits, but absolute timing of the mineralization...craton, were studied to better constrain timing of gold events: Nassara and Kiaka in Burkina Faso and Wassa
	Kucha, Henryk, Raith, Johann G. (2009) Gold-oxysulphides in copper deposits of the Greywacke Zone, Austria: A mineral chemical and infrared fluid inclusion study. Ore Geology Reviews, 35 (1) 87-100 doi:10.1016/j.oregeorev.2008.10.004	Journal (article/letter/editorial)
	ev i e r. c o m / l o c a t e / o r e g e o r ev Gold-oxysulphides in copper deposits of the Greywacke...2008 Available online 5 November 2008 Keywords: Gold Oxysulphides Tetrahedrite Fluid inclusions Infrared...Thiosulphate Cu deposits a b s t r a c t Native gold and unusual gold-oxysulphides, both associated with tetrahedrite...inclusions in quartz is apparently unrelated to gold mineralisation. Fluid inclusions within tetrahedrite...of chalcopyrite, gold-oxysulphides, minor arsenopyrite and gold that is rich in gold-oxysulphide microinclusions
	Bispo-Santos, Franklin, D’Agrella-Filho, Manoel S., Trindade, Ricardo I.F., Janikian, Liliane, Reis, Nelson J. (2014) Was there SAMBA in Columbia? Paleomagnetic evidence from 1790Ma Avanavero mafic sills (northern Amazonian Craton) Precambrian Research, 244. 139-155 doi:10.1016/j.precamres.2013.11.002	Journal (article/letter/editorial)
	extends to the surrounding countries of Venezuela, Guyana and Suriname, and forms a large igneous province...Ma for a dolerite intrusive into the Omai gold deposit in Guyana (Norcross et al., 2000), a 1787 ± 14...Ar analysis on biotite of a dolerite located in Guyana yielded an integrated age of 1798 ± 2 Ma (Onstott...mineral assemblages are strong evidence that the region was not submitted to temperatures higher than 300...the carriers of the ChRM. Minor quantities of hematite and martite (Fig. 6C) are present and probably
	Förster, H.-J. (2004) Mineralogy of the Niederschlema-Alberoda U – Se-polymetallic deposit, Erzgebirge, Germany. II: Hessite, Ag₂Te, and native Te (?), the first tellurium minerals. Neues Jahrbuch für Mineralogie - Abhandlungen, 180 (2) 101-113 doi:10.1127/0077-7757/2004/0180-0101	Journal (article/letter/editorial)
	Schlema-Alberode ore field in the ancient mining region of Saxony, Germany (Förster et al. 2003). In addition...uraninite accompanied by dolomite, ankerite, fluorite, hematite, and diverse sulfide (chalcopyrite, galena, bornite...bohdanowiczite, is known from the Frederik VII’s Cu mine in south Greenland (Schønwandt 1983). Formation...Rudashevskiy, N. S. & Karshevskiy, P. I. (1998): Native gold and silver, sulfides and REE minerals in carbonatites...New find of silver tellurosulphides from the Funan gold deposit, East Shandong, China. – Eur. J. Miner.
	*(2005) INTERESTING PAPERS IN OTHER JOURNALS. Economic Geology, 100 (2) 405-413 doi:10.2113/gsecongeo.100.2.405*	Journal (article/letter/editorial)
	fluids and Rb-Sr isotopic dating for the Wulong gold deposit in Liaoning, china—Wei Junhao, Qiu Xiaoping...modelling of sulphidic waste rock dumps at the Aitik mine site, Sweden—Claire M. Linklater, Daniel J. Sinclair...40Ar/39Ar age constraints on gold mineralisation at Tarcoola, central Gawler gold province, South Australia—A...Mechanisms of arsenic immobilization in a biomat from mine discharge water—Toshihiko Ohnuki, Fuminori Sakamoto...space in a hard rock mine: Example of SAR interferometry application at Kiruna mine— E. Henry, C. Mayer
	Yusoff, Zainuddin M., Ngwenya, Bryne T., Parsons, Ian (2013) Mobility and fractionation of REEs during deep weathering of geochemically contrasting granites in a tropical setting, Malaysia. Chemical Geology, 349. 71-86 doi:10.1016/j.chemgeo.2013.04.016	Journal (article/letter/editorial)
	weathering boundary in Cheras. Minor amounts of hematite occur in both sections, particularly near the...up to 3% goethite, which decreases with depth. Hematite was also detected in the upper (17 m) of the section...tropical weathering of the barama-mazaruni greenstone belt at Omai gold mine, Guina Shield. Applied Geochemistry...Behaviour of the rare earth elements in ochreous mine drainage: a laboratory and ﬁeld study. Unpublished
	Maslennikov, V. V., Maslennikova, S. P., Large, R. R., Danyushevsky, L. V., Herrington, R. J., Stanley, C. J. (2013) Tellurium-bearing minerals in zoned sulfide chimneys from Cu-Zn massive sulfide deposits of the Urals, Russia. Mineralogy and Petrology, 107 (1) 67-99 doi:10.1007/s00710-012-0230-x	Journal (article/letter/editorial)
	Au-Ag telluride and galena-fahlore with native gold assemblages. Decreasing amounts of pyrite, both...deposits, particularly in epithermal vein deposits of gold and silver (Afifi et al. 1988b; Ciobanu et al. 2006;...site, galena, site, hessite, tennantite, barite, hematite and magnetite, galena, enargite, petzite, stützite...sylvanite, frohbergite, native tellurium, native gold, magnetite Pyrite, chalcopyrite, sphalerite, bornite...coloradoite, empressite, hessite, tennantite, barite, hematite, and magnetite, galena, enargite, stromeyerite
	*, (2010) Abstracts. Applied Earth Science, 119 (2) 78-119 doi:10.1179/1743275811y.0000000004*	Journal (article/letter/editorial)
	architecture: tectonic foundations for East Asian orogenic gold Craig J. R. Hart1, Richard J. Goldfarb2 1 Mineral...USA Orogenic gold systems comprise the largest number of gold deposits and greatest gold endowment of...settings that do not fit current models for orogenic gold deposits. These uncertainties conspire to cause...sources regarded to be integral to the orogenic gold deposit model. The vast landmass of Eastern Asia...activity and overprinted by episodic magmatism. Gold deposits and districts formed preferentially in
	*(2016) The Metallogeny of Lode Gold Deposits. Elsevier. doi:10.1016/c2014-0-03103-6*	Book
	The Metallogeny of Lode Gold Deposits A Syngenetic Perspective Ulrich Kretschmar (Late) Former President...strongly in the theory of the syngenetic process in gold deposits. Laura Carter Kretschmar March 2015 I obtained...the Haileybury School of Mines and graduated as a gold medallist in 1965. From there I attended Queen’s...exploration targets, which led to the 1987 paper on gold in the Beardmore-Geraldton greenstone belt. This...17 countries, with most of the work being done on gold deposits. When my friend, Ulrich, passed away, I
	*(1994) USGS research on mineral resources, 1994; Part A, Program and abstracts. Circular* 1103. US Geological Survey doi:10.3133/cir1103a**	Report (issue)
	development and mineral endowment of this important region. Results are also presented from a USGS effort...cyanide and toxic metals released from the Summitville mine on downstream water supplies and crops. The distribution...undiscovered deposits of copper, zinc, lead, silver, and gold-A progress report P. B. Barton, R. A. Ayuso, D....Poster Session 3:20 Richard I. Grauch (USGS), Gold-bearing exhalativehydrothermal systems in the Venezuelan...age and origin of the S~o Bento and Morro Velho gold deposits, Minas Gerais, Brazil Willis H. White (USGS)
	*Dunn, Colin E. (2007) Biogeochemistry in Mineral Exploration* - Handbook of Exploration and Environmental Geochemistry No. 9. Elsevier. doi:10.1016/s1874-2734(07)09001-8**	Book
	. . . . . . . . . . . . . . . . . . . . . . . . Gold (Au) . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . . . . Gold . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . Rod Zone – Jolu Mine – La Ronge Domain . . . . . . . . . . . . . . ....development . . . . . . . . . . . . . . . . . Seabee Mine, Laonil Lake . . . . . . . . . . . . . . . . . ...Case Study 1 – The geomicrobiological cycling of gold. . . . . . Case Study 2 – Microbial diversity in
	*Spitz, Karlheinz, Trudinger, John (2019) Mining and the Environment-From Ore to Metal* (2nd ed.) CRC Press.**	Book (edition)
	Australia Cover photo: Abandoned Open Pit Copper Mine, Casa Grande, Arizona, USA Courtesy of Jim Wark...122 References 126 Chapter 05 The Anatomy of a Mine 127 5.1 It All Begins in the Earth 129 5.2 Exploration–From...Project Impacts 344 10.7 Cultural Heritage Sites and Mine Development 353 10.8 The Special Nature of Community...and Social Impact Statement 446 15.2 Environmental Mine Audits 450 15.3 Sometimes Things Go Wrong 456 References...459 16.1 Changes in Landform 461 16.2 Mine Wastes 465 16.3 Mine Effluents, Acid Rock Drainage and Water

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Hematite from Omai gold mine, Omai, Cuyuni-Mazaruni Region, Guyana

Hematite from
Omai gold mine, Omai, Cuyuni-Mazaruni Region, Guyana