The Company's concessions cover MS mineralization in the past producers Naricero, San Nicolas, Refugio and Jesus Maria as well as the unexploited MS mineralization occurrences of Patrocinio, San Juan and San Rafael.
Figure 8. Cuale Area geology map. Zinco concession boundaries in blue and third part concessions in magenta.
Mineralization is fine grained, banded and structural fragmented. Dimension of the exploited bodies range in width from 1 to 10 m and length of 50 to 400 m. In 1982 Industrias Peñoles plant operated at 1,000 tonnes per day with grades of 6% zinc (Zn), 180 g/t silver (Ag), 1.8% lead (Pb), 0.3% copper (Cu) and 0.63 g/t gold (Au). Three km north of Cuale is a fault hosted 0.5 m hydrothermal pyrite-quartz vein with zinc, silver, lead, copper and gold
Previous operators had completed 12,513.8 m of surface and underground diamond drilling in 189 holes mainly in the area of known MS mineralization. From evaluation of the historic drill results combined with the Company's data 12 locations at San Juan, 12 locations at Jesus Maria/Patrocinio, six locations at Naricero/San Nicolas/Refugio and 2 locations at Grandeza were selected for drilling.
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