	Pigois, Jon-Philippe, Groves, David I., Fletcher, Ian R., McNaughton, Neal J., Snee, Lawrence W. (2003) Age constraints on Tarkwaian palaeoplacer and lode-gold formation in the Tarkwa-Damang district, SW Ghana. Mineralium Deposita, 38 (6) 695-714 doi:10.1007/s00126-003-0360-5	Journal (article/letter/editorial)
	Tarkwaian palaeoplacer and lode-gold formation in the Tarkwa-Damang district, SW Ghana Received: 17 June 2002...epigenetic gold-forming events are recorded in the world-class gold province of southwest Ghana. A pre-Tarkwaian...pre-Tarkwaian event was the source of the world-class Tarkwa palaeoplacers whereas post-Birimian and Tarkwaian...world-class (e.g. Prestea) to giant (e.g. Obuasi) orogenic gold deposits which have made the region famous for more...clastic rocks from Damang and Bippo Bin, northeast of Tarkwa. The overall data distribution broadly overlaps
	*Junner, N. R. (1959) The occurrence of uranium in ancient conglomerates; reply. Economic Geology, 54 (7) 1320-1323 doi:10.2113/gsecongeo.54.7.1320*	Journal (article/letter/editorial)
	pp. 4. Liebenberg, W. R., 1956, The occurrence of gold and radloaetive minerals in the Witwatersrand: Geol...journalProfessorDavidsonand Dr. Bosazzadiscuss the originof the gold in the Ghanabanketsand alsorefer to the 1930publication...Davidsoninfers that pyritemustbea rare alluvialmineralin Ghana,and Bosazzathat specialconditions,for examplethe...affectthe validity of Davidsoh'sargumentthat the gold in the Ghana banketsmust have beendepositedin an oxidizingenvironment..."it is not unusualin the high rainfall areas in Ghana to find depthsof completedecomposition to as much
	Klemd, R., Hirdes, W., Olesch, M., Oberthür, T. (1993) Fluid inclusions in quartz-pebbles of the gold-bearing Tarkwaian conglomerates of Ghana as guides to their provenance area. Mineralium Deposita, 28 (5) 334-343 doi:10.1007/bf02739372	Journal (article/letter/editorial)
	inclusions in quartz-pebbles of the gold-bearing Tarkwaian conglomerates of Ghana as guides to their provenance...Proterozoic Aubearing Tarkwaian conglomerates in Ghana reveal several original (inherited) pre-sedimentary...inclusions in quartz-vein type gold deposits of the Birimian Supergroup in Ghana and Burkina Faso. This type...inclusions has not been reported from any other lode-gold deposit of greenstone affiliation and is thus a...a specific characteristic for Birimian-hosted gold deposits. Therefore, it can be used as an unequivocal
	Davis, D.W., Hirdes, W., Schaltegger, U., Nunoo, E.A. (1994) UPb age constraints on deposition and provenance of Birimian and gold-bearing Tarkwaian sediments in Ghana, West Africa. Precambrian Research, 67 (1) 89-107 doi:10.1016/0301-9268(94)90006-x	Journal (article/letter/editorial)
	and provenance of Birimian and gold-bearing Tarkwaian sediments in Ghana, West Africa D . W . D a v i s...Strasbourg, France dTGL, State Gold Mining Corporation, Accra, Ghana Received November 16, 1992; revised...Eburnean rocks of Ghana. Gold-bearing and barren Tarkwaian conglomerates in the Tarkwa basin, and a volcanogenic...synvolcanic granitoid plutons in the Sefwi and Ashanti belts, which flank the Kumasi basin. This suggests...are typical of the region. Significant epigenetic gold mineralization probably began in the short time
	White, A. J. R., Waters, D. J., Robb, L. J. (2013) The application of P-T-X(CO2) modelling in constraining metamorphism and hydrothermal alteration at the Damang gold deposit, Ghana. Journal of Metamorphic Geology, 31 (9) 937-961 doi:10.1111/jmg.12051	Journal (article/letter/editorial)
	and hydrothermal alteration at the Damang gold deposit, Ghana A. J. R. WHITE,1,2 D. J. WATERS1 AND L. J...white@csiro.au) ABSTRACT Orogenic gold mineralization at the Damang deposit, Ghana, is associated with hydrothermal...hydrothermal alteration haloes around gold-bearing quartz veins, produced by the infiltration of a H2O–CO2–K2O–H2S...conditions of regional metamorphism and the subsequent gold mineralization event. Metapelites with well-developed...hydrothermal alteration assemblages associated with gold mineralization in a wide compositional range of
	*Kesse, G. O. (1985) The Mineral and Rock Resources of Ghana. A.A. Balkema Publishers, Rotterdam.*	Book
	Ver' "\ ~~ • THE MINERAL AND ROCK RESOURCES OF GHANA f btYON RALPH Dedicated to my parellfs for not...ISBN 90 6191 597 X paper edition only for sale in Ghana © 1985 A.A.Balkema, P.O.Box I 675, 3000 BR Rotterdam...REPUBLIC OF GHANA- GEOGRAPHY,PHYSIOGRAPHY,GEOLOGY AND GEOHYDROLOGY 6 3. THE MINERALRESOURCESOF GHANA - BACKGROUND...EXPLOITATION IN GHANA 572 12. TABLES OF SUMMARY OF MINERAL AND ROCK RESOURCESOF GHANA 577 13. LEGISLATION...590 APPENDIX 597 INDEX 602 V Preface The Ghana Geological SuJ;"vey DepaJ;"tment in 1.962, published
	Markwitz, Vanessa, Hein, Kim A.A., Miller, John (2016) Compilation of West African mineral deposits: Spatial distribution and mineral endowment. Precambrian Research, 274. 61-81 doi:10.1016/j.precamres.2015.05.028	Journal (article/letter/editorial)
	formed 26 between ca. 2.5 - 2.3 Ga, nearly all gold, porphyry copper, lead-zinc and sedimentary 27...distinguished by major Precambrian 30 IOCG’s, copper-gold that formed at ca. 2.1 Ga and approx. 680 Ma, and... Mineral Deposit Database highlight that gold and non-gold commodities formed in multiple 37 phases...of iron 38 ore, nickel sulphides, diamonds and gold in the earth’s crust. The pre-Eburnean or Tangaean-...EoEburnean-Eburnean I Event yielded gold, and the major Eburnean Orogeny yielded gold, 40 iron ore, manganese
	*Davidson, Charles F. (1959) On the occurrence of uranium in ancient conglomerates [discussion]. Economic Geology, 54 (2) 313-329 doi:10.2113/gsecongeo.54.2.313*	Journal (article/letter/editorial)
	Rhodesia. Whether it is a profoundstudyof all the gold depositsin the Transvaaland SouthernRhodesia,as...example, Mendelssohn(16) speakingof the origin of the gold depositsof the MurchisonRange states "The ore bodies...DISCUSSIONS the Bird Reef serieson the West Rand, the gold-uraniumratios are different from thosein the normal...secondary silicaandthe development of sericiticmicaor chloritoid in the slatytypes,therehasbeenno extrememetamorphism...Couldsucha magmaor emanations from it havegivenriseto the gold,uraniumandplatenoids in the bankets ? I suggestthat
	Milesi, J.P, Ledru, P, Marcoux, E, Mougeot, R, Johan, V, Lerouge, C, Sabaté, P, Bailly, L, Respaut, J.P, Skipwith, P (2002) The Jacobina Paleoproterozoic gold-bearing conglomerates, Bahia, Brazil: a “hydrothermal shear-reservoir” model. Ore Geology Reviews, 19 (1) 95-136 doi:10.1016/s0169-1368(01)00038-5	Journal (article/letter/editorial)
	com/locate/oregeorev The Jacobina Paleoproterozoic gold-bearing conglomerates, Bahia, Brazil: a ‘‘hydrothermal...widespread alteration with gold-bearing quartz lodes, conglomerates showing a sulphide – gold – Cr – mineral association... Such a model, which implies the existence of a gold preconcentration within the quartz – pebble conglomerates...magnetite and responsible for the high concentration of gold within shear veins containing assemblages of Cr...of the Paleoproterozoic, the sulphidation of the gold-bearing conglomerates would depend largely on the
	*Amstutz, G. C., Bernard, A. J. - Eds.* (1973) Ores in Sediments. Springer Berlin Heidelberg. doi:10.1007/978-3-642-65329-2**	Book
	and % Associated Sulphides at the Almad^n Mercury Mine, Spain.7 BARTHOLOME, P. , EVRARD, P. , KATEKESHA...The Gold-bearing Tarkwaian of Ghana.275 TOURTELOT, H. A. , RILEY, L. B. : Size and Shape of Gold and...discussions on the genesis of the Precambrian uranium and gold conglomerates of the Witwatersrand (South Africa)...workable reefs. To be more exact, the uranium and gold mineralizations are border facies of basins, located...and Associated Sulphides at the Almaden Mercury Mine, Spain M. Arnold, A. Maucher, and F. Saupe Abstract
	*(1987) Uranium Deposits in Proterozoic Quartz-pebble Conglomerates (Report of the Working Group on Uranium Geology) IAEA TECDOC* 427. International Atomic Energy Agency**	Report (issue)
	Äikäs, R. Sarikkola GHANA The mineralized quartz-pebble conglomerates of Ghana .......................Paleocurrent and lithological faciès control of uranium and gold mineralisation in the Witwatersrand Carbon Leader...J.D. Carter, R.D. Gee Sedimentology, origin and gold potential of the Late Archean Lalla Rookh Basin...thorium-rich resistate minerals, and quartz (and gold if present). Although substantial dissolution and...the amphibolite faciès and are mined mainly for gold. In this report, the preservation of uraninite placers
	*Barker, A,. J. (2014) A key for identification of rock-forming minerals in thin-section. CRC Press.*	Book
	staurolite porphyroblasts in stt-and-schist; Nauyago, Ghana. d) Colour zonation in titanaugite phenocryst in...Staurolite Andalusite Kyanite Biotite Chlorite Chloritoid Cordierite Muscovite Hornblende Actinolite Lawsonite...such as the distinctive “hour-glass” zoning of chloritoid (Fig. 1.18c), and “sector-zoned” titanaugite...zoning) -skarn x50 XPL 53 XPL x50 54 (c) Chloritoid (hour-glass zoning) (d) Titanaugite (sector...Scotland; c) hour-glass zoning (chloritoid [ottrelite]) in chloritoid phyllite; Ottre, Belgium; d) sector
	*(1993) Geology and mineral resource assessment of the Venezuelan Guayana Shield. Bulletin* Vol. 2062. US Geological Survey doi:10.3133/b2062**	Report (volume)
	Gray and Norman J Page............... Low-Sulfide Gold-Quartz Veins, by U.S. Geological Survey and Corporaci6n...Uranium-Gold Deposits, by William E. Brooks........................... Quartz-Pebble Conglomerate Gold-Uranium........................................... Placer Gold, by G.J. Orris....................................deposits, sedimentary manganese deposits, low-sulfide gold-quartz veins, tin greisen deposits, porphyry copper...shallowly dipping peridotite body at Piston de Uroy gold prospect, Rfo Chicanan, EstadoBolfvar..........
	Barton, E.S., Hallbauer, D.K. (1996) Trace-element and UPb isotope compositions of pyrite types in the Proterozoic Black Reef, Transvaal Sequence, South Africa: Implications on genesis and age. Chemical Geology, 133 (1) 173-199 doi:10.1016/s0009-2541(96)00075-7	Journal (article/letter/editorial)
	Reef is, in most cases, indistinguishable from the gold-, uranium- and pyrite-beating Archaean Witwatersrand...However, the prevailing opinion that the Black Reef gold mineralization was largely derived from reworking...Archaean * Corresponding author. ( ~ 3000-2700 Ma) gold- and uranium-bearing conglomerate horizons in the...~"-,k i ~ ' Chanel aooped ^leasof # I I'---Mine Boundary l, " / ° " l © r ° d / ' u b ° u t ° r...Reef is, in most cases, indistinguishable from the gold-, uranium- and pyrite-bearing Archaean WitwatersraJad
	*Foster, R. P. - Ed.* (1993) Gold Metallogeny and Exploration. Springer Netherlands. doi:10.1007/978-94-011-2128-6**	Book
	Gold Metallogeny and Exploration Edited by R.P. FOSTER Senior Lecturer in Economic Geology Department...the high and continuing demand for gold has prompted a global gold rush on a scale never before seen,...heady days of Ballarat, California and the Yukon. Gold is being sought on every continent and, with very...genetic modelling for the many different types of gold deposits now recognized. This proliferation of data...aspects of gold metallogeny and exploration, ranging from the chemical distribution of gold in the Earth's
	Hooker, Marjorie (1956) Data of rock analyses—II Bibliography and index of rock analyses in the African periodical and serial literature. Geochimica et Cosmochimica Acta, 9 (4) 190-213 doi:10.1016/0016-7037(56)90049-7	Journal (article/letter/editorial)
	geology of the Prestea goldfield: Gold CoastGeol. Surv.Mm. 3, 20 pp. Gold Coat: 1 dike rock. COOPER, W. G...bauxite deposits of the Gold Coast: Gold Coast Geol. Surv. Bull. 7, 34 pp. Gold Coast: 1 phyllite. COOPER...(1937) The geology of the country around the Jumbo mine, Mazoe district: S. Rhodesia Geol. Surv. Bull. 33...t)Iso. ERNEST (1932) Sates on t.hc M’edza platinum mine, Southczrn Rhodesia: Min. Sot. S. Afr. J. 33, 192...geology of the Terkwa gold6eld and adjacent country: Gold* Coast Geol. Surv. Bull. 10, 24 pp. Uold Caret: 3
	Mossman, D.J., Harron, G.A. (1983) Origin and distribution of gold in the Huronian Supergroup, Canada — the case for Witwatersrand-type paleoplacers. Precambrian Research, 20 (2) 543-583 doi:10.1016/0301-9268(83)90089-x	Journal (article/letter/editorial)
	The Netherlands 543 ORIGIN A N D DISTRIBUTION OF GOLD IN THE H U R O N I A N SUPERGROUP, C A N A D A --...and Harron, G.A., 1983. Origin and distribution of gold in the Huronian Supergroup, Canada -- the case for...observations and experimental results show that gold is mobile under a wide range of natural conditions...However, the extent to which, and the form(s) in which gold was mobile in ancient placers remains speculative...been active in redistributing the gold. Huronian paleoplacer gold deposits span a critical transition
	*(1995) Geology and mineral deposits of the Venezuelan Guayana Shield. Bulletin* Vol. 2124. US Geological Survey doi:10.3133/b2124**	Report (volume)
	Gary B. Sidder, Freddy Davila, and Angel Baez G. Gold Prospecting in the Cerro Arrendajo Study Area, Estado...Brooks, Acenk Guerra, and Fernando J. Nunez H. Gold Resources of the Rio Chivao Study Area, Estado Bolivar...Contreras J. Geology, Geochemistry, and Geophysics of Gold-Quartz Veins in the Piston de Uroy Area, Estado...Occurrence of Gold and Diamond Placers By John C. Dohrenwend, Galo Yanez P., and Glenda Lowry L. Gold and Diamond...Guayana) By Galo Yanez P. N. Geochemistry of Six Gold-Bearing Quartz-Carbonate-Tourmaline Vein Systems
	Sidder, G.B., Mendoza S., Vicente (1991) Geology of the Venezuelan Guayana Shield and its relation to the entire Guayana Shield. Open-File Report Vol. 1991 (91-141) US Geological Survey doi:10.3133/ofr91141	Report (issue)
	OMAGMATIC EVENT .................... GREENSTONE-BELT ROCKS ............................................the greenstone-belt rocks ...................... Mineral deposits of the greenstone-belt rocks ..........deposits of the Venezuelan Guayana Shield include gold, iron, bauxite, and diamonds. The Archean Imataca...from granulite facies in the northeast part of the belt to amphibolite facies in the southwest. Deposits...greenstone-belt rocks range in metamorphic grade from greenschist to amphibolite facies. Low-sulfide gold-quartz
	*Salop, Lazarus J. (1983) Geological Evolution of the Earth During the Precambrian. Springer Berlin Heidelberg. doi:10.1007/978-3-642-68684-9*	Book
	purpose. Dating of the older gneisses of the Limpopo belt in Southern Africa by Rb-Sr analysis can be given...= 0.7014) for the granite-gneiss of the Limpopo belt and an age of 3643 ± 102 m.y. (87 Sr;S6Sr = 0.7014)...These are various ferruginous, manganese formations, gold-uranium bearing conglomerates, red beds, carbonate...manganese, copper, phosphorus, barium, uranium, gold, and some other elements that in some localities...strata enclosing up to three horizons of tillite. Gold-uranium conglomerates of great economic importance
	Kesler, Stephen E., Ohmoto, Hiroshi (2006) Evolution of Early Earth's Atmosphere, Hydrosphere, and Biosphere - Constraints from Ore Deposits. GSA Memoir 198. Geological Society of America doi:10.1130/mem198	Report (issue)
	Supergroup in South Africa that contains Earth’s largest gold-uranium deposits. These deposits are hosted by quartz-pebble...paper, Minter shows that the sedimentary setting of gold, pyrite, and uraninite favors a detrital origin...geologic and geochemical features indicating that the gold, uranium, and sulfur were deposited by hydrothermal...conglomerates that host only uraninite and pyrite, but no gold. In the final paper, Gauthier-Lafaye shows that................105 W.E.L. Minter 7. Witwatersrand gold-pyrite-uraninite deposits do not support a reducing
	*Robb, Laurence (2005) Introduction to Ore-Forming Processes. Blackwell Publishing, Oxford.*	Book
	an Archean orogenic or lode-gold deposit from the Abitibi greenstone belt in Canada. The deposit is associated...element exists in the structure. Copper, silver, gold, and platinum are all characterized by cubic close...atoms and forms bipyramids or is amorphous. Metals Gold – Au Silver – Ag Platinum – Pt INTRODUCTION: MINERAL...Sillimanite – Al2SiO5 Topaz – Al2SiO4(F,OH)2 Chloritoid – (Fe,Mg,Mn)2(Al,Fe)Al3O2(SiO4)2(OH)4 Cyclo (ring)...for commodities such as oil, bauxite, copper, and gold (Figure 6) confirm that demand for resources mirrors
	*(1981) Economic Geology - Seventy-Fifth Anniversary Volume. The Economic Geology Publishing Company.*	Book
	J. T. Nash, H. C. Granger, and S. S. Adams 63 Gold and Uranium in Quartz-Pebble Conglomerates.D. A...cratons and from 3,200 to 2,600 m.y. elsewhere. Gold-quartz veins and Algoma-type banded iron-formations...through second-cycle partial melting of older crust. Gold-quartz veins in the greenstone belts are at least...rarely exceeded greenschist grade. Greenstone belts, gold-quartz veins, and massive sulfide deposits all diminished...of prolonged weathering about 1,800 m.y. ago, the gold content of marine placers diminished during the
	*Misra, Kula C. (1999) Understanding Mineral Deposits. Kluwer Academic Publishers.*	Book
	697 CHAPTER 16. GOLD DEPOSITS 16.1. Introduction 16.2. Distribution 16.3. Types of Gold Deposits 16.4.... Examples 16.5. Origin of Hydrothermal Gold Deposits 16.6. Metallogenesis 16.7. Summary 16.8. Recommended...form of earthy hematite) or valuable (e.g., native gold and gemstones) materials they contained at places...disseminating the information, the mine geologists and mine managers who have made the mine visits a rewarding experience...deposits (e.g., deposits of copper, lead, zinc, iron, gold, etc.), from which one or more metals can be extracted;
	Dill, Harald G. (2010) The “chessboard” classification scheme of mineral deposits: Mineralogy and geology from aluminum to zirconium. Earth-Science Reviews, 100 (1) 1-420 doi:10.1016/j.earscirev.2009.10.011	Journal (article/letter/editorial)
	. . . . . . . . . . . . . . . . . . . . . . . . Gold. . . . . . . . . . . . . . . . . . . . . . . . ...and mineralogy of gold . . . . . . . . . . . . . . . . . . . . . . . 20.2. Magmatic gold deposits . . .... Structure-bound gold deposits . . . . . . . . . . . . . . . 20.4. Sedimentary gold deposits . . . .... . 20.5. Metamorphic gold deposits . . . . . . . . . . . . . . . . . 20.6. Gold supply and use . . ....Chengdeite Chevkinite-(Ce) Chiavennite Chlorite Chloritoid Chloroargyrite Choloalite Chondrodite Chrisstanleyite

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Chloritoid from Tarkwa Mine, Tarkwa, Ashanti gold belt, Ghana

Chloritoid from
Tarkwa Mine, Tarkwa, Ashanti gold belt, Ghana