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VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 03/18/13 -- Silver Bull Resources, Inc. (TSX: SVB)(NYSE MKT: SVBL) ("Silver Bull") is pleased to provide the results that will be reported in the updated NI 43-101 Technical Report ("the Technical Report") currently being completed by JDS Energy & Mining Inc. ("JDS") on the silver and zinc mineralization of the "Shallow Silver" and "Zinc" Zones at the Sierra Mojada Project in Coahuila, Mexico. Highlights at various cutoff grades for the silver include;
-- An Indicated silver resource of 71.9 million tonnes at an average grade of 72.5g/t silver totaling 167.5 million troy ounces of silver at a 25g/t silver cutoff grade.-- An Indicated silver resource of 40.75 million tonnes at an average grade of 102.2g/t silver totaling 134.0 million troy ounces of silver at a 45g/t silver cutoff grade.-- An Indicated silver resource of 20 million tonnes at an average grade of 147.8g/t silver totaling 94.0 million troy ounces of silver at a 80g/t silver cutoff grade.-- An Indicated zinc resource of 2.19 billion pounds of zinc at an average grade of 1.38%.-- An Inferred lead resource of 538 million pounds at an average grade of 0.34%.-- An Inferred copper resource of 126 million pounds at an average grade of 0.08%.
A summary of the mineral resource estimate for silver and zinc at various silver cutoff grades is as follows:
---------------------------------------------------------------------------- Silver & Zinc Resource Inside the Lerchs-Grossman Optimized Pit---------------------------------------------------------------------------- Silver Cut off Silver Zinc Pounds Grade Grade Silver Grade ZincCategory (g/t) Tonnes (g/t) (M-Oz) (%) (lbs)----------------------------------------------------------------------------INDICATED greater 94,500,000 59.9 182.0 1.31 2,730,000,000 than 15 ------------------------------------------------------------------ greater 71,870,000 72.5 167.5 1.38 2,190,000,000 than 25 ------------------------------------------------------------------ greater 53,300,000 87.4 150.0 1.41 1,690,000,000 than 35 ------------------------------------------------------------------ greater 40,750,000 102.2 134.0 1.47 1,320,000,000 than 45 ------------------------------------------------------------------ greater 31,900,000 116.6 120.0 1.53 1,076,000,000 than 55 ------------------------------------------------------------------ greater 26,000,000 129.9 108.0 1.58 903,000,000 than 65 ------------------------------------------------------------------ greater 20,000,000 147.8 94.0 1.62 707,000,000 than 80 ------------------------------------------------------------------ greater 14,000,000 171.9 77.0 1.65 510,000,000 than 100----------------------------------------------------------------------------Note: Recoveries of 100% were assumed for the pit optimization.
