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Cerro Vanguardia, Argentina

Located in the province of Santa Cruz, Cerro Vanguardia operates multiple small open pits with high stripping ratios and multiple narrow-vein underground mines that produce gold with silver as a by-product.

Ownership

92.5%
AngloGold Ashanti

Mineral Resource
Zen rocks
2.88Moz
of gold
Gold production
145koz
2020: 173koz
Silver production
3.5Moz
2020: 3.6Moz
All-in sustaining costs
$1,353/oz
2020: $931/oz
Capital expenditure (92.5%)
$64m
2020: $29/oz
Workforce
1,850
including contractors

Cerro Vanguardia, in which AngloGold Ashanti has a 92.5% stake, is the Company’s sole operation in Argentina. Fomicruz, a state company, owns the remaining 7.5%. Cerro Vanguardia is a gold-silver operation with multiple open pit and underground mines located within the property that are mined simultaneously.

Cerro Vanguardia operates a single tailings dam. The state road GO-337 passes close to the operation, providing access for logistics. Power for the mine is supplied and purchased in the open market. Three mining methods are used for underground mining: sub-level stoping (bottom-up and top-down), cut and fill, and room and pillar.

A brief history

  • Gold exploration at the site was started in late 1980s by the state owned Fomicruz and Minera Mincorp (JV between Anglo American Argentina Holdings Limited and a local private company, Perez Companc).
  • Cerro Vanguardia began as an open pit operation in 1998 and this was supplemented in 2010 with the start of shallow underground mining to access high-grade mined material.
  • To complement the already existing gold plant, a heap leaching operation was started in 2012.
  • The mine has been operated by AngloGold Ashanti since 1998.
Map Argentina,locaton of Cerro Vanguardia

ESG statistics 2021

All injury frequency rate

0.75 per million hours worked
(2020: 0.61)

Community investment

$3,568m
(2020: $3,813m)

Reportable environmental incidents

0 (2020: 0)

Water use

1,466ML
(2020: 1,392ML)

Water use efficiency

0.50kL/t
(2020: 0.61kL/t)

Energy consumption

1.76PJ
(2020: 1.56PJ)

Energy use intensity

0.60GJ/t
(2020: 0.69GJ/t)

GHG emissions

96kt
(2020: 83kt)

GHG emission intensity

33kg/t CO2e
(2020: 37kg/t CO2e)

Rehabilitation liabilities

$96m
(2020: $89m)

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