Accueil   /   mine d or brut à obuasi

mine d or brut à obuasi

AngloGold Ashanti close to re-opening Ghana's …

AngloGold Ashanti is close to a decision to re-open the Obuasi mine depending on the outcome of talks with the Ghanaian government to finalise an investment development agreement and …

Plus de détails

Obuasi Gold Mine Redevelopment, Ashanti …

The Obuasi redevelopment project was officially launched in January 2019 after securing approval from the Government of Ghana in June 2018, while the first gold from the redevelopment project was poured in December …

Plus de détails

Geometry and genesis of the giant Obuasi gold deposit, …

Africa's Largest Gold Deposit: Obuasi, Ghana 11 1. Abstract 13 2. Introduction 14 3. Geological Background 15 4. Methods 21 4.1. Field observations, mapping and sample collection 21 4.2. Petrography and microchemical analysis 21 4.3. High resolution X-ray computed tomography 22 5. Structure, Fabrics, and Deformation History of the Obuasi ...

Plus de détails

Obuasi, Ghana

Obuasi is an underground operation with the main accesses into the mine consisting of shafts and a single access decline with interlevel development of between 15 and 30m. The Obuasi Deeps Decline, which is situated at …

Plus de détails

Stopes accident forces AngloGold to suspend …

Obuasi Gold Mine is one of the world's largest gold ore bodies, with 29.5Moz of Mineral Resource, at an average grade of 7.64 grammes per tonne and 8.7Moz of Ore Reserve at an average grade of 8 ...

Plus de détails

Mines d'or Obuasi dans la région d'Ashanti, Ghana …

La mine OBUASI Anglo Gold est accusée de pollution en eau et en terres depuis des années. En 2014, la mine a fermé ses portes afin de restructurer et de devenir plus efficace, mais rien n'a été dit sur les responsabilités …

Plus de détails

AngloGold Ashanti discovers body of missing Obuasi miner

Mining at the Obuasi tenement – once known as the Ashanti mine – has been underway since the nineteenth century. The re-engineered Obuasi has been scoped to produce gold at an average rate of 350,000 oz to 400,000 oz a year for the first ten years, and at levels above 400,000 oz a year over the life of the mine at an all-in sustaining cost ...

Plus de détails

Body recovered at Obuasi

The company had last week suspended 2021 guidance for Obuasi and flagged a delay to the mine's phase two redevelopment. Obuasi had been expected to deliver 300,000-350,000 ounces of gold this year ...

Plus de détails

Ghana : Randgold abandonne la mine d'or d'Obuasi …

La compagnie minière britannique a annoncé la fin du projet de relance de la mine d'or d'Obuasi, l'une des plus vieilles du Ghana. Selon Randgold, il ne répond à ses critères d ...

Plus de détails

AngloGold Ashanti Obuasi resumes underground ore mining

Obuasi Mine Obuasi, an underground operation, mining to a depth of 1,500m, is one of the world's largest gold ore bodies, with 29.5Moz of the mineral resource, at an average grade of 7.64 grams per tonne and 8.7Moz of ore reserve at an average grade of 8.6 grams per tonne.

Plus de détails

Obuasi, Ghana, AngloGold Ashanti

It is anticipated that at full production, Obuasi will contribute between 350,000oz and 400,000oz annually during its first 10 years of production, at an estimated all-in sustaining cost of around $825/oz, in 2018 money terms. Obuasi has an estimated mine-life of more than 20 years, with production increasing and costs

Plus de détails

Stopes accident forces AngloGold to suspend 2021 guidance for Obuasi

Obuasi Gold Mine is one of the world's largest gold ore bodies, with 29.5Moz of Mineral Resource, at an average grade of 7.64 grammes per tonne and 8.7Moz of Ore Reserve at an average grade of 8 ...

Plus de détails

Underground ore mining in Obuasi to resume mid …

Underground mining activities at Obuasi were voluntarily suspended following a sill pillar failure on 18 May 2021 which resulted in the tragic loss of one worker. A …

Plus de détails

Major Mines & Projects | Obuasi Mine

Summary: Obuasi Gold Mine is located in the municipality of Obuasi, in the Ashanti region of Ghana, about 240km northwest of the capital Accra and 60km south of Kumasi. Obuasi is an underground operation with the main accesses into the mine consisting of shafts and a single access decline with interlevel development of between 15 and 30m.

Plus de détails

Obuasi Gold mines in Ashanti region, Ghana

Ghana is the world´s second largest producer of gold. One of the places where mining has been more intense is in the municipality of Obuasi, in the Ashanti Region. There it is The Oubasi Gold Mind, one of …

Plus de détails

Obuasi • Perenti Group

BUSINESS: Barminco (AUMS) SERVICE: Underground Mining. Underground development. Underground production mining. COMMODITY: Gold. The Obuasi mine is a major redevelopment project in the Ashanti region of Ghana. It has a history of mining dating back to 1897. AUMS works with client AngloGold Ashanti to provide underground production …

Plus de détails

Obuasi Gold mines in Ashanti region, Ghana | EJAtlas

The Wall Street Journal. "In Ghana, AngloGold Ashanti Ltd., the world's No. 3 gold producer, closed shafts at its Obuasi mine in late 2014, as the mine hemorrhaged cash amid sinking metals prices. Early …

Plus de détails

AngloGold Ashanti expects operations at Obuasi …

Underground mining activities at Obuasi were voluntarily suspended following a sill pillar failure on 18 May 2021 which resulted in the tragic loss of one of the …

Plus de détails

Gold mining and the socio-economic development of …

The Obuasi Mine, until recently accounted for over sixty percent of total gold production in Ghana and was undoubtedly the single largest gross foreign exchange earning industrial establishment in the country. ... new mine, Cote d'Or Mining Company was signed on August 27, 1985, at Cape Coast Castle and the right of .

Plus de détails

Obuasi Gold Mine

Bulyanhulu Gold Mine. Obuasi gold mine is 65km by road from Kumasi, or 200km north-west of Accra, amid the township of Obuasi. Mining started in Obuasi in 1897. Prior to …

Plus de détails

Review on Effects of Mining in Ghana: The Case of …

2.1 History of Mining in Ghana (Obuasi) Back in the 7th century A.D., Arab traders were ... Cote d'Or Mining Firm, was contracted at Cape Coast. On June 11, 1897, approval for mining and its ...

Plus de détails

AngloGold Ashanti expects operations at Obuasi gold mine …

Also, there is no material change to the mine plan or to Obuasi's published ore reserve and mineral resources. Production for 2022, as the mine ramps up, is estimated to be about 240,000oz - 260,000oz. With all three phases of the project complete, production from 2024 to 2028 is anticipated to average 400,000oz to 450,000oz at an all …

Plus de détails

AngoGold halts mining at Obuasi until incident …

JSE-listed AngloGold Ashanti has advised that underground mining activity remains suspended at the Obuasi gold mine, in Ghana, following a fall-of-ground incident on May 18. The company on May 26 ...

Plus de détails

AngoGold halts mining at Obuasi until incident …

JSE-listed AngloGold Ashanti has advised that underground mining activity remains suspended at the Obuasi gold mine, in Ghana, following a fall-of-ground …

Plus de détails

Underground ore mining in Obuasi to resume mid-October …

There is no material change to the mine plan or to Obuasi's published Ore Reserve and Mineral Resources. Production for 2022, as the mine ramps up, is estimated to be about 240,000oz – 260,000oz at an all-in sustaining cost of approximately $1,250/oz to $1,350/oz, and with cash costs of $900/oz to $1,000/oz.

Plus de détails

Obuasi gold mine becomes 'modern, …

Following a ramp-up period, AngloGold Ashanti estimates mining at a rate of 2,000 t/d from Obuasi during 2020, climbing to 4,000 t/d by year-end. The mine will be producing gold at an average run-rate of …

Plus de détails

POSITIONING OBUASI FOR THE LONG TERM

As a result of the drying up of surface reserves, Obuasi, which used to produce over 750,000 ounces of gold a year during the late-1990s, now produces some 400,000 ounces of gold a year. This year Obuasi is expecting about 415,000 ounces of gold production and over the next three years this will build up to 450,000 ounces a year.

Plus de détails

Ghana : Randgold abandonne la mine d'or …

Située à 320 km au nord-ouest d'Accra, la capitale du Ghana, cette mine vieille de 118 ans dispose de réserves estimées à 5,29 millions d'onces d'or. Elle est confrontée toutefois à ...

Plus de détails

Obuasi Gold Mine, Ghana

The mine has worked surface and underground mineralisation along an 8km north-south strike length but miningis now mainly underground, extending to depths of 1,600m. The mainly flat-back, cut-and-fill stopes used to exploit several ore blocks are being converted to mechanised open …

Plus de détails

Obuasi | Pelangio Exploration Inc.

The Obuasi property is located contiguous with AngloGold Ashanti's world-class Obuasi gold mine within the prolific 300-kilometre-long Ashanti Gold Belt in southwest Ghana, West Africa. The Obuasi mine has produced …

Plus de détails

Anglogold Ashanti invests $4.6million into Obuasi economy

1 hour agoAnglogold Ashanti invests $4.6million into Obuasi economy. Ghana's mining giant, AngloGold Ashanti has since 2019 invested a whopping amount of $4.6 million into the communities within the mine's ...

Plus de détails

Evidence for Two Stages of Mineralization in West …

Obuasi, which means "under the rock" in the local Tchi lan-guage, is the largest gold deposit discovered in the Obuasi dis-trict. Artisanal gold mining at Obuasi has a long history, with the local gold seekers, the Galamsey, panning and digging the quartz veins outcropping at the surface since before the 15th century.

Plus de détails

AngloGold Ashanti Obuasi resumes underground ore mining

Obuasi Mine. Obuasi, an underground operation, mining to a depth of 1,500m, is one of the world's largest gold ore bodies, with 29.5Moz of the mineral …

Plus de détails