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Sadiola Hill Deposit

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Journal Article
Journal: Economic Geology
Published: 01 January 2017
Economic Geology (2017) 112 (1): 23–47.
...Quentin Masurel; Nicolas Thébaud; John Miller; Stanislav Ulrich; Kim A.A. Hein; Greg Cameron; Didier Béziat; Olivier Bruguier; James A. Davis Abstract The ~8-Moz Sadiola Hill gold deposit is located in the Kédougou-Kénieba inlier, a window of deformed ca. 2200 to 2050 Ma rocks that crop out...
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Image
A. Micrograph of zoned hydrothermal tourmalines in a quartz-calcite-biotite...
Published: 01 January 2017
hydrothermal tourmalines was analyzed by electron probe and the stoichiometry calculated using the Winclastour software ( Yavuz et al., 2006 ). Ternary plots show the classification of tourmalines at the Sadiola Hill deposit. Shaded areas show the composition of multistage hydrothermal tourmaline from
Image
Cross section through the southern portion of the <b>deposit</b> showing the geome...
Published: 01 January 2017
Fig. 6 Cross section through the southern portion of the deposit showing the geometry of the Sadiola shear zone and deep orebody (scale 1:2,700). The main structure ranges in thickness from 10 to over 50 m and consists of an anastomosing network of brittle fracture and ductile shear
Journal Article
Journal: Economic Geology
Published: 01 January 2017
Economic Geology (2017) 112 (1): 1–2.
... , p. 145 – 168 . Masurel Q. Thébaud N. Miller J. Ulrich S. Hein K.A. Cameron G. Beziat D. Bruguier O. Davis J.A. , 2017a , Sadiola Hill: A world-class carbonate-hosted gold deposit in Mali, West Africa : Economic Geology , v. 112 , p. 23 – 47...
Journal Article
Journal: Economic Geology
Published: 01 January 2017
Economic Geology (2017) 112 (1): 49–72.
... of the Falémé district (see Fig. 1 ). In late 1997, IAMGold and Anglo American Corporation (now AngloGold Ashanti) signed an agreement to purchase the Yatela concession located 25 km north of the Sadiola Hill gold deposit. The Government of Mali issued an exploitation permit for the Yatela project in February...
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Journal Article
Journal: Economic Geology
Published: 01 November 2020
Economic Geology (2020) 115 (7): 1537–1558.
... with Au mineralization at the Sadiola Hill Au deposit. The deposit is carbonate hosted and located in the northern part of the Kédougou-Kéniéba inlier in the vicinity of an intrusive center correlative with the Falémé batholith. The Baqata, Kolya, Kabe West, and Gefa ( Fig. 2 ) prospects are hosted...
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Journal Article
Journal: Economic Geology
Published: 01 January 2017
Economic Geology (2017) 112 (1): 3–22.
...Denis Fougerouse; Steven Micklethwaite; Stanislav Ulrich; John Miller; Bélinda Godel; David T. Adams; T. Campbell McCuaig Abstract The supergiant Obuasi gold deposit is the largest deposit in the Paleoproterozoic Birimian terranes of West Africa with 62 Moz of gold (past production + resources...
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Journal Article
Journal: SEG Discovery
Published: 01 April 2005
SEG Discovery (2005) (61): 1–64.
... Associated with Sn, W, and Au-Bi Deposits Metallogenic Region/ Granite SiO2 Granitoid Alumina association deposit series saturation Country type (wt %) Accessory minerals* References Sn-W-Bi Cornwall UK S 71-74 Ilmenite Peraluminous Ilmenite, monazite, Manning and Hill, 1990 73-77 Peraluminous andalusite...
Journal Article
Journal: Economic Geology
Published: 01 January 2017
Economic Geology (2017) 112 (1): 73–98.
... a high density of mineralized veins. Although no large regional fault system was recognized, observations from five representative deposits of the Siguiri district (Sanu Tinti, Bidini, Kami, Kosise, and Sintroko PB1) show that these orebodies are locally controlled by incipient structures and spread...
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Journal Article
Journal: Economic Geology
Published: 01 January 2017
Economic Geology (2017) 112 (1): 123–143.
..., Sd = Sadiola, Ta = Tarkwa. Fig. 8 Grade-tonnage diagram showing current West African orogenic Au deposit reserves. Abbreviations same as in Figure 7 . Fig. 9 Cumulative frequency curves for contained Au (A) and resource grades (B) for current West African orogenic gold resources...
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Journal Article
Published: 01 December 2013
South African Journal of Geology (2013) 116 (2): 199–218.
... inclusions. Petrographic observation and microthermometric data suggest that fluid inclusions in main stage quartz were trapped after phase separation from a heterogeneous H 2 O-CO 2 fluid. Gold deposition occurs over a temperature range of 220 to 320°C and pressures of 1.4 to 2.75 kbar (~5 to 10 km depth...
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Journal Article
Journal: Economic Geology
Published: 01 April 2003
Economic Geology (2003) 98 (2): 235–248.
... ; Asadi et al., 1999 ), Africa ( Hill, 1997 ), and Peru (Alvarez-A. and Noble, 1988 ). Most Carlin-type deposits are characterized by high Au and/or Ag, by a geochemical association of Au, As, Sb, Hg, and locally Tl and Ba, and by a notable absence of base metal sulfide minerals. The most conspicuous...
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Journal Article
Journal: SEG Discovery
Published: 01 October 2006
SEG Discovery (2006) (67): 1–60.
... Permitting Case Studies Reno, NV MINERAL DEPOSITS, GEOLOGY AND EXPLORATION SESSIONS Stuart F. Simmons (SEG Fellow 1985), will present his SEG s Session State & Province Reports Geology and Exploration in the talk on "The Geological Attributes of Epithermal Vein Cortez Hills/Battle Mountain - Eureka...
Journal Article
Journal: Economic Geology
Published: 01 November 2017
Economic Geology (2017) 112 (7): 1571–1593.
...D.M. Lawrence; A.H. Allibone; Z. Chang; S. Meffre; J.S. Lambert-Smith; P.J. Treloar Abstract The Tongon deposit in northern Côte d’Ivoire is the first reported occurrence of Au skarn mineralization hosted in Paleoproterozoic greenstone rocks of the West African craton. Tongon is an unusually large...
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Journal Article
Journal: SEG Discovery
Published: 01 April 1994
SEG Discovery (1994) (17): 1–36.
... of this paper is to review gold occurrences in Peru, and to identify and describe the more important districts, deposits and prospects. Present exploration activities, property ownership, and legal and national policy issues are not discussed. OVERVIEW In recent years, most of Peru's gold has been produced from...
Journal Article
Journal: SEG Discovery
Published: 01 April 2009
SEG Discovery (2009) (77): 1–52.
... SUDAN (DRC) of Democratic Republic of Congo (DRC) s exports in the years leading up to independence in 1960. The country possesses a wide range of minerals, the most important of which are copper, cobalt, diamonds, and gold. Signi cant deposits of zinc, germanium, tin, tungsten, columbium-tantalum...
Journal Article
Journal: Economic Geology
Published: 01 March 2013
Economic Geology (2013) 108 (2): 199–227.
... north-south along the Senegal border. Operational mines in the region include Gara, Yalea, and Gounkoto on the Loulo permit, as well as Sadiola, Yatela, Tabakoto, and Segala. These deposits are all linked to a major crustal scale lineament known as the Senegal-Mali shear zone. The West Mali gold belt...
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Journal Article
Journal: SEG Discovery
Published: 01 April 1998
SEG Discovery (1998) (33): 1–56.
... than 100 active gold mines and hundreds of prospects. This east-west trending belt of gold deposits in northeastern and north-central China (Figure 1) contains about 600 tonnes Ct) of the nation's known 2,400 t gold resource (Nie, 1297b). During 1996, this region Junggar-Hegen Oaqlnshan accounted...
Series: Special Publications of the Society of Economic Geologists
Published: 01 January 2020
DOI: 10.5382/SP.23.07
EISBN: 9781629496429
... and was inferred to have a close apparent spatial relationship with major gold deposits in the Loulo and Sadiola districts ( Fig. 1 ). This inferred relationship has contributed to a widely held belief within the gold exploration industry that the Senegal-Mali shear zone is an important regional-scale control...
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Series: Geological Society, London, Special Publications
Published: 01 January 2005
DOI: 10.1144/GSL.SP.2005.248.01.06
EISBN: 9781862394964
... Areas 4280 LOC Round Mountain 201 CA Western Deeps 726 LOC Sadiola Hill 2494 LOC Williams 138 LOC Santo Tomas 233 IA Wilson Creek 156 CA Sar Cheshmeh 324 CA Yamfo–Sefwi 135 LOC Sheba – Fairview 126 LOC Yanacocha 633 CA Sipalay 301 IA Yimuyn Manjerr 101...
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