Presentation Transcript
ASHANTI Goldfields Company Ltd:
Obuasi Gold Mine - Ghana
Underground Production - Yearly ASHANTI Goldfields Company Ltd
ASHANTI Goldfields Company Ltd:
Obuasi Gold Mine - Ghana
Underground Productivity ASHANTI Goldfields Company Ltd
ASHANTI Goldfields Company Ltd:
Obuasi Gold Mine - Ghana
U/G Production Profile ASHANTI Goldfields Company Ltd In 1995 C&F and Sub Level Caving were predominant
Open Stoping now predominates with over 50% of tonnes
This has had many beneficial effects Improved productivity , Improved Safety and Lower cost
Slide4:
Long Range Plan
ASHANTI Goldfields Company Ltd:
Obuasi Gold Mine - Ghana
U/G Long Term Production Estimate ASHANTI Goldfields Company Ltd The tonnage from above 50 Level, steadily reduces over time. Deeps Phase I is able to maintain an overall 2.4 mtpa rate. Phase II Deeps is forecast at 1.5 mtpa. This rate is maintained until 2040 dropping thereafter. The ounce production is expected to maintain at current levels until Deeps Phase I Kicks in where an increase can be gained. A reduction until Deeps Phase II is realised. This dip could be avoided by Fast tracking Deeps Phase II.
ASHANTI Goldfields Company Ltd: ASHANTI Goldfields Company Ltd
Processing
ASHANTI Goldfields Company Ltd:
Obuasi Gold Mine - Ghana
Processing ASHANTI Goldfields Company Ltd SULPHIDE TREATMENT PLANT
Material Source- Underground and Surface sulphide
Capacity - 2.6 million tonnes per annum
OXIDE TREATMENT PLANT
Material Source- Surface Oxide
Capacity – 2.2 million tonnes p/a
TAILINGS TREATMENT PLANT
Material Source- Surface tailings
Capacity - 2.2 million tonnes p/a
ASHANTI Goldfields Company Ltd: ASHANTI Goldfields Company Ltd
Capital
Projects
Slide9: ASHANTI Goldfields Company Ltd Obuasi Gold Mine - Ghana
Underground Projects Connection of Sansu Ramp to u/g workings (Block 8/BSVS)
Sansu – Surface Fill Raise
Hydrafill Reticulation to Sansu
Deeps Project
BSVS Equipping
Material transfer from North to 41 Level Haulage drive
De-Commission some of the North Shafts
300 System Surface Fresh Air Raise
Underground Equipment fleet rationalisation
Ventilation Upgrade
OBUASI MINE: GEOLOGY & DEEPS EXPLORATION
OBUASI MINE
Slide11: AGC LTD. - OBUASI OPERATIONS GROUND HOLDINGS 0 Metres SCALE GHANA RAILWAY Kubi DUNKWA OBUASI Ayanfuri
Concession Kubi
Concession Obuasi
Concession Homase
Concession AYANFURI Homase 6000