Mine detail: Ashanti

Previously called 'Obuasi'

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Location

Lat / long: 6.23446, -1.64856

Resource(M)

Primary: Gold
Secondary: Silver
Ore: Galena, Gold, Pyrite, Pyrrhotite
Gangue: Albite, Ankerite, Graphite, Quartz, Sericite
Orebody form: LENSES

Production

Operation type: Unknown
Production size: Medium
Development status: Producer
First production started: 1893

Geology

Host rock:Birrimian Formation
Host type:Schist
Associated type:Mafic Intrusive Rock
Structure:Shear Runs Along Strike North To Northeast, Sub Vertical

References

MRDSW032774
DEP10081075
Reference{Deposit:: DEKUN, NICOLAS, 1965, MINERAL RESOURCES OF AFRICA: ELSEVIER PUB. CO., AMSTERDAM, 740 P.}{Deposit:: MM 1980; E/MJ 1978; WAR MINERALS REPORT 1976-1977}{Deposit:: MINING MAGAZINE, JANUARY, 1987, P. 75.}{Deposit:: BOYLE, R.W., 1979, THE GEOCHEMISTRY OF GOLD AND ITS DEPOSITS (TOGETHER WITH A CHAPTER ON GEOCHEMICAL PROSPECTING FOR THE ELEMENT): GEOLOGICAL SURVEY OF CANADA BULLETIN 280, 584 P.}{Deposit:: KESSE, G.O., 1984, THE OCCURRENCE OF GOLD IN GHANA, IN FOSTER, R.P., ED., GOLD*2: THE GEOLOGY, GEOCHEMISTRY AND GENESIS OF GOLD DEPOSITS: GEOLOGICAL SURVEY OF ZIMBABWE SPECIAL PUBLICATION 1, P. 645-660.}{Reserve-Resource:: MINING MAGAZINE, 1987}
ReporterGassaway, Judith S., Orris, Greta J.