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:

  • Development of the Las Casas vein is now complete at the 2180 level, exposing the vein with better grades and widths than expected; core drilling will explore in detail the vein extensions at depth

  • Mine development has reached the Rosario Transversal shoot (far eastern section), which continues to show promise

  • Drilling programme continued in order to confirm continuity of the structure at deeper levels where better grades are expected

  • Geological evaluation was completed at the Canelas and Valle de Topia districts

  • Parametric drilling programmes in both locations will be implemented once the social and environmental permits have been secured


Cebollitas Cluster:

  • Development of the Taspana vein reached its western limit, showing continuity of grade at 3.1 g/t gold and 280 g/t silver, maintaining an average thickness of 1.8 metres over a strike length of 700 metres

  • Construction of the 2.1 kilometres long Hidalgo tunnel was completed reaching the Tajos vein, which has an average grade of 3.4 g/t gold and 475 g/t silver, average width of 0.6 metres and a length of 700 metres

  • Exploration continues to progress at the Taspana West, Tajos, Malinche and Portilla veins with exploration targeting deeper levels