Golden Arrow's prospect generator activities are focused on identifying, acquiring and advancing precious and base metal projects with the potential for world class discovery. Golden Arrow seeks to leverage the Company's exploration exposure by attracting partners to fund work on its high quality mineral projects, such as Potrerillos. For details on joint venture opportunities, please contact our Project Marketing Coordinator
Strategic location in the prolific El Indio gold-silver belt
The Potrerillos gold-silver project is located in the world-class El Indio gold silver belt, just 8 km east of Barricks' Veladero gold mine and Pascua Lama project in western San Juan Province, Argentina. The project is 100% owned by Golden Arrow and covers an area of 5748 ha.
Under-explored epithermal gold-silver target with multi-million ounce potential
The Panorama Ridge target hosts a structurally-controlled, outcropping mineralized quartz-calcite vein system traceable for 3 kilometres. Rock chip sampling returned samples with as much as 15 g/t gold and 2995 g/t silver. Strong silver, gold, copper, arsenic and mercury values in veins and breccias at Panorama Zone indicates the potential to discover epithermal multiphase hydrothermally altered precious metal deposits similar to Pascua Lama and Veladero. The target is underexplored, with only 508 metres of drilling in 3 holes.
Multiple additional drill-ready targets.
In addition to Panorama ridge, Golden Arrow has identified the drill targets Copper South, Fabiana and Narelle. Drill permits are in place.
Project Geology and Exploration Summary
Potrerillos lies in the Cordillera Frontal region, Andean Cordillera with elevations ranging from 4000m to 5000m above sea level. The Potrerillos project contains three zones: Panorama, Fabiana, and Narelle. The main targets that have been identified to date can all be accessed by 4x4 truck and motorcycles and exploration work can be conducted 6-8 months per year.
The Panorama Ridge LS epithermal gold silver target is controlled by the intersection of major fault systems. The dominant feature is a NS orientated thrust system where Permian to Triassic rhyolites of Choiyoi Group are thrust from east to west over the Doña Ana andesites of Oligocene-Miocene age. The Doña Ana hosts the majority of the gold deposits in the El Indio Belt.
Large (up to 15m thick) calcite quartz veins have developed along this NS thrust system and are traced for 3km. The mineralization in the thrust veins is variable, very high grades occur in some zones but generally with silver around 20 to 50ppm and gold 0.1 to 0.2 ppm.
Cross cutting the major NS thrust are a number of east --westerly faults that control mineralization at the Valedero mine. At the intersection of the NS Thrust and WNW Faults a system of quartz vein stock works occur, with veins up to 2m thick and grades up to 15.4 g/t Au and 844 g/t Ag.
In 2010-2011 Golden Arrow completed a significant exploration program, including:
- Diamond drilling (508m in 3 holes)
- Bulldozer roads and trenches (23 km)
- Surface rock chip samples (1,754)
- IP/Resistivity and CSAMT Resistivity geophysics (16.5 line km)
- Ground magnetic surveys (54 line km)
- Detailed geological mapping (covering 3,950 ha)