Reference | {Deposit:: MINERAL RESOURCES OF THE UNION OF SOUTH AFRICA, 1959: S. AFRICA GEOLOGICAL SURVEY, P. 283 - 284}{Deposit:: MERTIE, 1969, ECON. GEOL. PT METALS: USGS PROF. PAPER 630, P. 48}{Deposit:: WAGNER, 1929, PT DEPOSITS AND MINES OF SOUTH AFRICA: STRUIK (PTY) LTD., CAPETOWN 1973, P. 254 - 256} |