Reference | {Deposit:: MERTIE, 1929, ECON. GEOL. PT METALS: USGS PROF. PAPER 630, P. 45 - 48}{Deposit:: COUSINS, 1973, PLATINOIDS IN THE WITWATERSRAND SYSTEM: JOUR. S. AFRICA INST. MIN. AND METALL., V. 73, NO. 6, P. 3 - 5}{Deposit:: WAGNER, 1929, PT DEPOSITS AND MINES OF S. AFRICA: STRUIK (PTY) LTD., CAPETOWN 1973, P. 32 - 40} |