Mining Careers at AngloGold Ashanti Guinea

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Title	Location	Date
Project Accountant - Las Vegas, NV Project Accountant - Las Vegas, NV Greenwood Village, CO, US, 80111 Financial Planning & Analysis	Greenwood Village, CO, US, 80111	Nov 21, 2024
Chief Ventilation Engineer Chief Ventilation Engineer GH Administration	GH	Nov 21, 2024
Sr. Specialist, Geologist -Las Vegas/Beatty, NV Sr. Specialist, Geologist -Las Vegas/Beatty, NV Reno, NV, US, 89511 Mine Geology	Reno, NV, US, 89511	Nov 20, 2024
Teberebie Relocation Project Manager Teberebie Relocation Project Manager GH Planning & Analysis	GH	Nov 20, 2024
Officer 3 - Inventory Officer 3 - Inventory TZ Administration	TZ	Nov 20, 2024
Tradesperson 1 - Mechanic Tradesperson 1 - Mechanic TZ Administration	TZ	Nov 19, 2024
Attendant 3 - Tool Keeper Attendant 3 - Tool Keeper TZ Trade Assistant	TZ	Nov 19, 2024
Manager - Underground Mine Geology Manager - Underground Mine Geology TZ Mine Geology	TZ	Nov 19, 2024
Senior Specialist - UG Drill & Blast Senior Specialist - UG Drill & Blast TZ Drill & Blast	TZ	Nov 19, 2024
Category Manager: Production Drilling Category Manager: Production Drilling Greenwood Village, CO, US, 80111 Procurement	Greenwood Village, CO, US, 80111	Nov 18, 2024

GUINEA

Siguiri - Siguiri is a multiple open-pit gold mine in the relatively remote district of Siguiri, around 850km northeast of the country’s capital, Conakry.

Overview and Locality

Siguiri is AngloGold Ashanti’s only operation in the Republic of Guinea. The mine is 85% owned by AngloGold Ashanti and 15% by the government of Guinea. Siguiri is currently a multi-pit fresh rock and oxide gold mining operation, mined by a contract miner. The mining method is selective conventional mining using excavators and trucks on 3m high flitches with gold-bearing ore mined from several pits (generally three pits at any one time).

A Brief History

First gold mining can be traced back to the first great West African Empire, the Sarakolle Kingdom Between 1931 and 1951, the French reported gold coming out of Siguiri, with figures varying between 1 and 3.8t annually There was a phase of Russian exploration in the area between 1960 and 1963. The Russian work focused on the placer deposits along the major river channels in the area. In 1980, Société Minière Internationale du Quebéc (SOMIQ) gained the exploration rights for Siguiri and Mandiana. SOMIQ focused its work on the Koron and Didi areas. The Chevaning Mining

GUINEA

Siguiri - Siguiri is a multiple open-pit gold mine in the relatively remote district of Siguiri, around 850km northeast of the country’s capital, Conakry.

Overview and Locality

Siguiri is AngloGold Ashanti’s only operation in the Republic of Guinea. The mine is 85% owned by AngloGold Ashanti and 15% by the government of Guinea. Siguiri is currently a multi-pit fresh rock and oxide gold mining operation, mined by a contract miner. The mining method is selective conventional mining using excavators and trucks on 3m high flitches with gold-bearing ore mined from several pits (generally three pits at any one time).

A Brief History

First gold mining can be traced back to the first great West African Empire, the Sarakolle Kingdom Between 1931 and 1951, the French reported gold coming out of Siguiri, with figures varying between 1 and 3.8t annually There was a phase of Russian exploration in the area between 1960 and 1963. The Russian work focused on the placer deposits along the major river channels in the area. In 1980, Société Minière Internationale du Quebéc (SOMIQ) gained the exploration rights for Siguiri and Mandiana. SOMIQ focused its work on the Koron and Didi areas. The Chevaning Mining

Company Limited was then created to undertake a detailed economic evaluation of the prospect, with more intensive work beginning in the late 1980s. Société Aurifere de Guinea (SAG) took over from its predecessors and continued work on the placer deposits. Production on the Koron placer reached a peak in 1992 with 1.1t gold being produced, although due to a number of difficulties, the mine was shut down later that year.

In the mid-1990s, Golden Shamrock acquired and operated the project as an open pit and heap leach. In October 1996, Golden Shamrock was acquired by Ashanti Goldfields Corporation which operated Siguiri as a heap leach until 2004. Ashanti Goldfields Corporation merged with AngloGold Limited in 2004 to become AngloGold Ashanti. AngloGold Ashanti completed the design and construction of the 8.5Mtpa saprolite soft rock treatment plant and commissioned it in 2005. This was later increased to 12Mtpa.

A Siguiri combination plant feasibility study, based on the requirement to process fresh and transitional material in combination with existing oxide material, was completed in 2015. The combination plant conversion project began in 2017 to allow the mine to treat 6Mt of hard fresh rock ore and 6Mt of oxide ore. Construction was completed in March 2018 and further optimisation and debottlenecking of the plant continues.

Company Limited was then created to undertake a detailed economic evaluation of the prospect, with more intensive work beginning in the late 1980s. Société Aurifere de Guinea (SAG) took over from its predecessors and continued work on the placer deposits. Production on the Koron placer reached a peak in 1992 with 1.1t gold being produced, although due to a number of difficulties, the mine was shut down later that year.

In the mid-1990s, Golden Shamrock acquired and operated the project as an open pit and heap leach. In October 1996, Golden Shamrock was acquired by Ashanti Goldfields Corporation which operated Siguiri as a heap leach until 2004. Ashanti Goldfields Corporation merged with AngloGold Limited in 2004 to become AngloGold Ashanti. AngloGold Ashanti completed the design and construction of the 8.5Mtpa saprolite soft rock treatment plant and commissioned it in 2005. This was later increased to 12Mtpa.

A Siguiri combination plant feasibility study, based on the requirement to process fresh and transitional material in combination with existing oxide material, was completed in 2015. The combination plant conversion project began in 2017 to allow the mine to treat 6Mt of hard fresh rock ore and 6Mt of oxide ore. Construction was completed in March 2018 and further optimisation and debottlenecking of the plant continues.