HALIFAX, NOVA SCOTIA — (Marketwired) — 06/27/13 — Erdene Resource Development Corp. ("" or "Company") (TSX: ERD), is pleased to announce that the Company has received metallurgical test results for its 100% owned Altan Nar gold project in southwest . Exploration and metallurgical testing of the Altan Nar epithermal gold project has now determined that two styles of mineralization occur in the system. The most significant finding from the studies reported herein is that th