TORONTO, ONTARIO — (Marketwire) — 07/25/11 — Project operator Sundance Minerals Ltd. ("Sundance") and Excellon Resources Inc. ("Excellon") (TSX: EXN) are pleased to announce that they have agreed to commence drilling at the Pluton property in Mapimi, Durango, Mexico. The program consists of a first stage of 3,500 m of diamond drilling to partially-test four out of five targets identified to date in the property. Drilling will be carried by Major Drilling of Hermosillo, M