D-Tree

AUSTRALIAN MINES HANDBOOK, 1977/78.HOWARD, P. F., EXPLORATION FOR PHOSPHORITE IN AUSTRALIA--A CASE HISTORY: ECON. GEOL. VOL. 67, 1972, P. 1180-1192.HOWARD, P. F. AND HOUGH, M. J., ON THE GEOCHEMISTRY ANDORIGIN OF THE D TREE, WONARAH AND SHERRIN CREEK PHOSPHORITEDEPOSITS OF THE GEORGINA BASIN; NORTHERN AUSTRALIA: ECONGEOL. VOL. 74, 1979, P. 260-284.REGISTER OF AUSTRALIAN MINING, 1980.ANONYMOUS, THE PHOSPHATE DEPOSITS OF AUSTRALIA; PHOSPHORUSAND POTASSIUM NO. 110, NOV/DEC. 1980.REGISTER OF AUSTRALIAN MINING, 1988/89, P. 374.NOTHOLT, A. J. G., PROTEROZOIC AND CAMBRIAN PHOSPHORITES-INAUGURAL FIELD WORKSHOP AND SEMINAR IN AUSTRALIA.MINING MAGAZINE, NOV. 1978, P. 499.