Tres Amigos Target: Multiple epithermal vein system with 3 holes drilled by San Lorenzo to date. Substantial historic artisanal mining history.
As recently as 2006, mining on the east side of the Tres Amigos Zone occurred from a spiral decline over 100m in length from which high grade - up to 14% Cu - oxide ore was extracted. During the late 1990´s the Sin Codicia mine on the NW flank of the zone also produced oxide copper ore.
Results : Soil and rock geochemical sampling have shown that the whole target area is a strong copper anomaly with values greater than 500ppm within which two 1 – 1.5 sq km areas average 0.2 - 0.28% Cu in soils. Mineralized outcrop and float samples from these two sectors returned values of 0.3 – 5.6% Cu and 0.174 – 2.88 g/t Au.
The 2 phases of drilling completed to date by San Lorenzo on the Tres Amigos system established a high-grade copper-gold-silver rich epithermal vein system that is 25 – 60 m wide grading 0.47 – 1.48 % Cu, 0.17 – 0.25 g/t Au and 3.1 - 26.9 g/t Ag that extends over 2 km and is open at depth.
IP surveys indicate multiple IP anomolies on Salvadora Property.
Drilling completed to date by San Lorenzo on the Tres Amigos system established a high-grade copper-gold-silver rich epithermal vein system that is up to 60 m wide grading 0.47 – 1.48 % Cu, 0.17 – 0.25 g/t Au and 3.1 - 26.9 g/t Ag that extends over 2.5 km and is open at depth.
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