Nov 28 (Reuters) - BHP Billiton (LON:BLT) Ltd BHP.AX :
* EXPECT AUSTRALIAN MINING OPERATIONS TO DELIVER US$1.6 BILLION OF ADDITIONAL PRODUCTIVITY GAINS OVER NEXT TWO YEARS
* FOR OLYMPIC DAM, BFX OPTION COULD PROVIDE A CAPITAL EFFICIENT PATH TO INCREASED CAPACITY THROUGH ACCELERATED DEVELOPMENT INTO SOUTHERN MINE AREA
* UPDATES ON BHP MINERALS AUSTRALIA OPERATIONS
* IF APPROVED, BFX OPTION COULD LIFT PRODUCTION CAPACITY TO 330 KTPA AND MOVE OLYMPIC DAM INTO FIRST QUARTILE OF COST CURVE