VANCOUVER, BRITISH COLUMBIA — (Marketwire) — 12/07/12 — Zena Mining Corp. (TSX VENTURE: ZCC) ("Zena" or the "Company") is pleased to announce that it has completed its 2012 exploration program on its Lapin Barite property situated near Rock Creek, B.C. The Company owns 100% of the rights to the Industrial Minerals subject to a 10% net profits interest and royalty and other payments based on production to the original underlying vendors.Barite (Barium sulphate – BaSO4) th
VANCOUVER, BRITISH COLUMBIA — (Marketwire) — 08/22/12 — Zena Mining Corp. (TSX VENTURE: ZCC) ("Zena" or the "Company") has prepared this News release to clarify certain information included in News releases issued on February 22, 2011 and December 5, 2011.The aforementioned News releases reported a barite measured resource of 5,800 tonnes and an inferred resource showing a typo of 10,000 tonnes, with average grades above or near the specific gravity threshold of 4.10. Th