Brief: Chesapeake announces updated pre-feasibility study for metates
March 7 (Reuters) - Chesapeake Gold Corp CKG.V : * Announces updated pre-feasibility study for metates * Updated PFS is based on initial ore throughput rate of 30,000 tpd with staged expansion up to 90,000 tpd * Source text for Eikon ID:nCCN9zhXJb * Further company coverage CKG.V ((Bengaluru Newsroom; +1 646 223 8780))