Esperanza Mine


Project Information: The work involves the execution of the project and the excavation and support of a 71 m mine tunnel under a coarse ore stockpile.

País: Chile
Provincia: Antofagasta Region
Municipio: Sierra Gorda Town
Montera: Low


  • Cross section: 17 m²
  • Lenght: 71 m

Método Constructivo:

  • NATM. Mechanical excavation

Geología y Geotecnia:

  • Silty gravels with sands

Maquinaria Empleada:

  • Atlas Copco two-boom jumbo
  • Loaders