Based on 115 reverse circulation holes drilled in 1992 and 1993, Azco Mining (TSE) estimates its Piedras Verdes deposit near Alamos, Mexico, contains about 87.2 million tonnes grading 0.43% copper.
Using a 0.2% cutoff, the company estimates the minable resource at 72.8 million tonnes grading 0.44% copper. Included in the estimate is a proven resource of 53.9 million tonnes grading 0.46% copper and a probable resource of 18.7 million tons at 0.40% copper. The overall strip ratio is estimated at 1.04-to-1.
The area drilled constitutes about 60% of the known zone of mineralization, with the resource remaining open to the north and east.
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