From that report you mentioned...
In a news release dated April 18, 2006, the Company reported trenching results that included 17 samples averaging greater than 1% Cu; nine samples that returned values greater than 5% Cu; and four values that graded over 10% Cu (10.2; 13.5; 15.0; 27.4 respectively). Silver values ranged from detection levels to 87 g/t (2.5 oz/ton).