Capstone Mining Corporation announced the result of an updated National Instrument 43-101 compliant mineral resource estimate for the Wildfire and Copper Keel area at its Minto Mine in Yukon of Canada.

Follow up drilling in the Copper Keel region of Minto South Deposit in the H2 of 2011 has added an additional 67 million pounds of copper resource in the measured and indicated categories. At a 0.5% copper cut off grade total mineral resources at the Minto Mine exceeds 1.1 billion pounds of copper.

In addition, the 2011 drill program produced a new discovery called Fireweed. A total of 26 holes were drilled on Fireweed A and B. The best intercept to date is 3.2% Cu & 1.0 gram per tonne Au over 16.6 meters including 6.8% Cu and 1.9 gram per tonne Au over 7.1 meters in hole 11SWC-871 at Fireweed A and 3.4% Cu and 1.4 gram per tonne Au over 14.4 meters including 4.2% Cu & 1.3 gram per tonne Au over 7.6 meters in hole 11SWC-882 at Fireweed B. Fireweed A is located approximately 200 meters east of the Minto East deposit and Fireweed B lies a further 170 meters east of Fireweed A.

Mr Brad Mercer VP of exploration for Capstone said that "Exploration success at Minto continues to translate into mineral resource additions to support our objective of organic growth at our existing mining operations. Since 2006, the Minto Mine has achieved steady mineral resource increases through a program of discovery followed by feasibility studies in a series of phases. This updated mineral resource will be included in the next Pre Feasibility Study which is currently underway."

Mr Mercer said that "The latest new Fireweed discovery, not yet included in any mineral resource estimate was made by testing a geological target that became compelling after we completed a new 3D geology model of MSD. Future exploration at Minto will focus on depth, exploring beyond the limits of our existing geophysical surveys as our understanding of Minto's geology evolves.”