| Reference | {Deposit:: GUANGHUA LUI, REPORT TO BHP MINERALS, 1993}{Deposit:: BARKER, J.M. & LEFOND, S.J. BORON & BORATES: INTRODUCTION AND EXPLORATION TECHNIQUES. IN BARKER & LEFOND, BORATES: ECONOMIC GEOLOGY AND PRODUCTION. AMERICAN INSTITUTE OF MINING, METALLUGICAL AND PETROLEUM ENGINEERS INC. NEW YORK, 13-34, 1985} |