Highlights
- Block 3 is a large property (10,100 hectares) characterised by extensive post-mineral alluvial “pampa” cover, and is located adjacent to historically drilled porphyry copper targets
- Located along world’s preeminent Domeyko Cordillera copper belt in northern Chile
- Block 3 comprises a batholithic-scale series of magnetic anomalies, encompassing the two adjacent porphyry targets, and a much larger area obscured by extensive post- mineral cover on the Block 3 property
- Magnetic anomalies likely related to dioritic intrusions and porphyry related hydrothermal alteration (both prograde with magnetite, and retrograde with magnetite destruction)
- Geology receptive to Domeyko Belt porphyry systems, including Early Paleocene to Middle Eocene radiometric age dating
Regional Geology
- The Domeyko Cordillera mineral belt is a relatively narrow, north-south anastomosing fault zone with a complex structural history over + 600 km of the northern Chilean Andes, and includes uplifted blocks of Paleozoic to Mesozoic rocks and fault-controlled porphyry-related Tertiary magmatism
- Key Incaic deformation phase (~ 43Ma – 32Ma) associated with Middle Eocene to Early Oligocene magmatic arc, resulting in the emplacement of some of the world’s largest porphyry copper deposits and the development of the world’s single most productive porphyry Cu belt
- Including: Escondida: > 1Mt fine Cu / year – El Salvador: > 50Kt fine Cu / year
- Local geology dominated by uplifted Paleozoic host rocks, oriented N-S, along the margins of a broad, post-mineral covered “pampa” with only limited outcrops. Minor outcrops of volcanics and porphyries
Access
Location
Block 3 is located approximately 145 km northeast of the coastal town of Taltal and 170 km southeast of the port of Antofagasta, and 55 km south-southwest of the Escondida mining district in northern Chile
Access
Access to the property is moderate, from Antofagasta or Taltal, from the Pan-American Highway (PAH), via a maintained dirt road that passes by the operating Guanaco mine, and then by unmaintained dirt roads to the project area
Other Details
- Pampa Metals has completed a district-scale, drone-flown magnetics survey over the area
- 3rd party age dating of igneous rocks on the property, and an adjacent property, fall within the key Early Paleocene to Middle Eocene magmatic arcs
- Block 3 has been subject to limited, historic, 3rd party exploration including drilling of wide-spaced, shallow, reverse circulation holes
Targets
Domeyko Cordillera style porphyry Cu-Mo (-Au) targets – covered
Plans
Drill testing of select magnetic anomalies, and property wide IP surveying to delineate further targets
Block 3
Fact Sheet
Mar 2023