CORONA <ICR.TO> FAVORS ROYEX <RGM.TO> OFFER International Corona Resources Ltd said its board of directors believes that terms of Royex Gold Mining Corp's previously announced offer are fair and reasonable, but it decided it will make no recommendation on the offer to its shareholders. Royex on March 31 offered to buy four mln Corona shares. For each Corona share it offered four dlrs cash, one series B share of Royex, one series C share of Royex and one share purchase warrant. It also bid for all Corona warrants expiring Aug 31, 1987.