Las Casas-Rosasio & Cluster Cebollitas


Ownership: Minera La Ciénega, S.A. de C.V. (100% Fresnillo plc)
Location: Durango
Indicated and inferred resources: Resources included in Ciénega figures

Key Exploration

Las Casas: 

  • Mining and development of Las Casas, Casas del Bajo, and Rosario veins confirms good grade and thickness
  • The Carolina vein discovered below Casas del Bajo was developed, adding to the reserve base of the Ciénega operation
  • Promising drill results obtained from the Rosario East shoot in the hanging-wall of the Transversal fault


Cebollitas Cluster:

  • Development of the Taspana vein shows good continuity of grade at 1 g/t gold and 250 g/t silver, maintaining an average thickness of three metres
  • Ore from development works sent to the Ciénega mill for processing
  • Exploration drilling and drifting carried out in other veins of the district such as Tajos and Taspana West with attractive exploration potential