Bibiani gold mine
| Location | |
|---|---|
  Bibiani mine | |
| Location | Bibiani |
| Western Region | |
| Country | Ghana |
| Coordinates | 6°28′25″N 2°18′24″W / 6.47361°N 2.30667°WCoordinates: 6°28′25″N 2°18′24″W / 6.47361°N 2.30667°W Fatal error: The format of the coordinate could not be determined. Parsing failed. |
| Production | |
| Products | Gold |
| Production | 4 million troy ounces |
| Financial year | Lifetime |
| History | |
| Opened | 1902 |
| Active | 1902–1913 1927–1973 1998–2008 2010–2013 |
| Closed | 2013 |
| Owner | |
| Company | Asante Gold Corporation |
| Year of acquisition | 2021 |
Bibiani gold mine is a historically significant mine located in the western region of Ghana. It is under care and maintenance and has mining and processing infrastructure consisting of a processing plant and existing infrastructure for underground mining.
Location
The Bibiani gold mine is an inactive underground mine located in the western region of Ghana, 250 kilometres (160 mi) northwest of Accra. The mineral concessions of the deposit are located approximately 80 kilometres (50 mi) southwest of Kumasi, the capital city of the Ashanti Region.
Geology
The Bibiani gold mine is located within a series of fine-grained graded turbidites with localised interbedded fine to medium-grained turbiditic sandstones. The orebody is a mesothermal lode-type deposit, similar to the lode deposits in the Konongo-Axim belt hosting the Obuasi deposit. The Bibiani orebody geometry is structurally controlled by a steep, north to northeast trending 200 to 400 metres (660 to 1,310 ft) wide shear corridor within Lower Birimian sediments, close to an eastern contact with the Upper Birimian. With a mineralized trend over 2,000 metres (6,600 ft) long, it was mined down to approximately 800 metres (2,600 ft) below surface.[1][2]
History
Gold was originally discovered at this site around 1900 and mining commenced in 1902. Prior to 1915, shallow surface and underground mining produced approximately 200,000 ounces.[2]
In 1927 Ashanti Goldfields Corporation acquired a majority interest in the mine. Production peaked at about 70-80 thousand ounces per year in the 1940s-1950s. The mine was nationalized in 1961, production declined, and it was then closed in 1967.[3]
Ghana Libya Mining Corporation (GLAMCO) and International Gold Resources (IGR) acquired the project in the 1980s, starting drilling around the old workings in 1992. In 1994 Ashanti Goldfields Company was floated on the London Stock Exchange and Ghana Stock Exchange and in 1996 acquired GLAMCO and IGR. Construction of a 2.7 million tonne per year carbon-in-leach plant began, and gold production recommenced in 1997.[3][4]
Sold to Central African Gold in 2006,[5] underground operations resumed - long hole open-pit mining, produced approximately 35,000 ounces of gold and before operations ceased in 2008. Noble Mineral Resources acquired Bibiani in late 2009.[6] The upgrading of the processing plant (up to 3 million tons per year) was initiated. Resolute Mining acquired ownership of the Bibiani gold project, buying the project from Noble Mineral Resources in 2014.[2][7] In 2021, Asante Gold Corporation completed the purchase of Bibiani from Resolute Mining for a total cash consideration of US$90 million.[8][9]
Bibiani produced approximately 4 million ounces of gold over its mine life.[2]
References
- ↑ "Mining Data Solutions - Bibiani Project". Archived from the original on 2018-08-25. Unknown parameter
|url-status=ignored (help) - ↑ 2.0 2.1 2.2 2.3 "Bibiani Update" (PDF). Perth, WA: Resolute Mining Limited. 13 July 2018. p. 4. Retrieved 31 December 2021.
- ↑ 3.0 3.1 Taylor, Ayowa Afrifa (August 2006). "An Economic History of the Ashanti Goldfields Corporation, 1895-2004: Land, Labour, Capital and Enterprise" (PDF). London: London School of Economics and Political Science. Retrieved 31 December 2021.
- ↑ "Prospectus supplement to prospectus dated April 29, 2004" (PDF). Johannesburg: AngloGold Ashanti Limited. 18 June 2004. p. 5. Retrieved 31 December 2021.
- ↑ Webb, Mariaan (23 August 2006). "AngloGold sells Ghana mine for $40m". Mining Weekly. Johannesburg: Creamer Media. Retrieved 31 December 2021.
- ↑ "Noble Mineral Resources closes acquisition of advanced Bibiani Gold Project in Ghana". Proactiveinvestors UK. 2010-07-27. Unknown parameter
|url-status=ignored (help) - ↑ "Resolute gains hold of Bibiani gold project".
- ↑ "Asante Gold Closes Acquisition of Bibiani Mine". www.asantegold.com. Archived from the original on 2021-08-19. Unknown parameter
|url-status=ignored (help) - ↑ "Asante Gold completes $90 million Bibiani mine buy". MINING.COM. 2021-08-19. Archived from the original on 2021-08-19. Unknown parameter
|url-status=ignored (help)
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