Orex Minerals Inc. as operator of the joint venture, have secured surface access and core storage facilities for exploration on the Sandra Silver-Gold Project, located on lands of the Ejido "Escobar y Anexos" in Guanacevi, Durango, Mexico. The Sandra Project is held by Empresa Minera Sandra-Escobar S.A. de C.V., a 60:40 joint venture between Pan American Silver Corp. and Orex.

A signing ceremony with the executives of the Ejido was conducted on 7 June 2023, with the presentation of a cheque as monetary compensation for the use of the land. The village of Escobar is located approximately 5 kilometres northwest of the Boleras Silver Deposit.