Kingdom passed a new minerals investment law last year and provided 13 reconnaissance licences, 133 exploration licences and eight exploitation licences.
The Maria Reyna and Caballito properties consist of a large, contiguous block of mineral rights with potential to host mineral deposits close to the Constancia processing facilities.
Chile's environmental regulator issued a series of measures against the Ojos del Salado mine, alleging "over-extraction of material" could have caused the sinkhole.