esperanza Property

 

Location

 

The Esperanza property is comprised of 1200 Ha of mining concessions located 600 km southeast of Lima and 160 km to the northwest of Arequipa and roughly 85 km from the coast at an altitude of roughly 2500 m. The property is accessible by a network of paved and dirt roads from Arequipa and the Pan American highway.

 

Geology

 

The property is located along the northwest extension of the highly prolific Cretaceous-Paleocene porphyry Cu belt in southern Peru. This corridor is known to host the Zafranal Cu-Mo porphyry in the southeastern part of the belt and Pecoy-Ocaña Cu-Mo porphyry to the northwest.

 

The property was staked over a newly discovered 2.5 km long by greater than 1 km wide northwest-southeast trending mineralized phyllic to propylitic alteration zone associated with an unexplored Cu-Mo porphyry system. The alteration and mineralization are associated with multiphase quartz-diorite and dacite porphyry units emplaced along a faulted contact between the Coastal Batholith to the southwest and Jurassic volcanoclastic rocks and Precambrian metamorphic rocks to the northwest. The central part of the system is characterized by extensive phyllic alteration with dense to moderate D veining within the porphyry and surrounding host rocks. Erratic A and B veins occur in the central part of the system associated with outcropping quartz-diorite porphyry dykes. Local hydrothermal breccias also occur in the same areas. Intensive epidote-chlorite-albite propylitic alteration with local veinlets and disseminated magnetite occur on the edge of the system associated more with the Jurassic volcanic and volcanoclastic rocks. Along the central and eastern parts of the property, the system is overlain by post-mineral Miocene rhyolite and ignimbrite cover, but where the system is exposed, there is an obvious clay-sericite-jarosite-hematite colour anomaly related to porphyry alteration and secondary leaching. It is also worth noting that chip samples of the leached porphyry returned assays of up to 500 ppm Cu and 119 ppm Mo with local values of up to 3.72% Cu associated with Cu-oxide veining (See link to Photos).

 

Exploration Potential

 

It is felt that the Esperanza porphyry is mineralized and exposed at a high level of erosion with significant exploration potential at depth similar to the adjacent Pecoy-Ocaña porphyry to the northwest. This is supported by an IP/Resistivity/MAG geophysical survey completed by the company. The IP/Resistivity outlined two isolated low-resistivity and high-chargeability anomalies in the northwestern and southeastern part of the property at depth. It appears that these isolated anomalies occur on either side of a greater than 200 m topographic high running through the central part of the property. This seems to suggest that the IP/Resistivity anomaly is likely continuous for a strike length of more than 2.8 km running northwest-southeast through the central part of the property and potentially outlines an untested potentially mineralized Cu-Mo porphyry system at depth on the property. The porphyry system may also extend to the east under Miocene post-mineral cover.

 

GlobeTrotters has received permission from the local community to do early stage exploration work including mapping, geochemical sampling and ground geophysics on community controlled land.