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Commercial production began at Ahafo in 2006, and in 2018 the operation sold 436,000 ounces of gold at all-in sustaining costs of $864 per ounce.i
* Full-year gold production of 4.53 million ounces was within guidance, at a cost of sales of $892 per ounce, and all-in sustaining costs of $806 per ounce.
In accordance with the World Gold Council guidance on all-in sustaining costs, capitalized stripping of $35 million is included in non-sustaining capital for Essakane.
* All-in sustaining costs (AISC) (1) of $1,083 per gold eq.
All-in sustaining costs rose by 26% to USD1,149 per ounce from USD914 the prior year, but decreased by 6% from USD1,226 the prior quarter.
Average all-in sustaining costs of production are estimated at $749/oz.
The Twin Creeks Underground mine will add between 30,000 and 40,000 ounces of gold production per year at all-in sustaining costs (1) of between $650 and $750 per ounce for its first five years of production.
The firm stated that total cash costs and all-in sustaining costs for 2017 are likely to be at or below the low end of the revised gold guidance range of between USD650 and USD700 per ounce and between USD1,050 and USD1,150 per ounce, respectively, driven by higher production levels and lower operating and capital costs.
In the previous year, Newmont reduced all-in sustaining costs by 10% and increased adjusted EBITDA by 29% despite a 9% drop in realized gold price.
The mine began production in 2013, and is the only primary gold mine in the world with annual production of more than one m ounces of gold (100% basis), at all-in sustaining costs below USD700 per ounce.
Its all-in sustaining costs (a broad metric measuring production costs) are $1,131/oz.