Ripsey West, Arizona
Ripsey West is a porphyry copper project in the heart of the Laramide porphyry belt. The project is located 23 km south of Ray and 40 km north of San Manuel. Significant historic exploration has been conducted in the area, but these efforts underestimated the magnitude of post-mineral Tertiary extension and dismemberment of the Laramide porphyry system(s).
Four sets of superimposed down to the east normal faults have dismembered and tilted the Laramide-aged porphyry system 90° to the east. This new structural modelling by EMX identifies a covered target untested by multiple previous exploration campaigns.
The primary target is a dismembered porphyry copper system concealed beneath post-mineral cover, with a potential for supergene enrichment of the primary hypogene mineralization.
In January 2025, EMX executed an option agreement for Ripsey West with Pacific Ridge Exploration Ltd. During the earn-in period, the agreement provides EMX with cash payments, equity in Pacific Ridge, and required work commitments on the project. Upon option exercise, EMX retains a 3% NSR royalty, 1% of which may be bought back, in addition to AAR and milestone payments.
*Nearby mines and deposits provide context for the project, but do not necessarily indicate similar size, styles or grade of mineralization within the project.