ESTIMATES OF AGE FOR SOME AFRICAN MINERALS

[1] AHRENS L, 1949, B GEOL SOC AM, V60, P217

[2] PROBABLE EXTREME AGE OF PEGMATITES FROM SOUTHERN RHODESIA [J]. SCIENCE, 1951, 114 (2951) : 64 - 65

[3] A NOTE ON THE LEAD ISOTOPE METHOD OF AGE DETERMINATION [J]. SCIENCE, 1953, 118 (3069) : 486 - 488

[4] THE MAXIMUM AGE OF THE ELEMENTS AND THE AGE OF THE EARTHS CRUST [J]. CANADIAN JOURNAL OF PHYSICS, 1953, 31 (03) : 402 - 418

[5] A MODIFICATION OF THE ISOTOPIC LEAD METHOD FOR DETERMINATION OF GEOLOGICAL AGES [J]. PHYSICAL REVIEW, 1951, 82 (06): : 966 - 967

[6] COLLINS CB, 1954, B GEOL SOC AM, V65, P1

[7] CUMMING GL, 1954, T AM GEOPHYS UN, V35, P301

[8] DAVIDSON CF, 1954, T I MIN METAL, V63, P244

[9] ISOTOPENANALYSEN AN BLEI AUS MINERALEN [J]. ZEITSCHRIFT FUR PHYSIK, 1953, 134 (03): : 317 - 333

[10] EWING M, 1954, GEOL SOC AM BULL, V65, P195

[1] AHRENS L, 1949, B GEOL SOC AM, V60, P217

[2] PROBABLE EXTREME AGE OF PEGMATITES FROM SOUTHERN RHODESIA [J]. SCIENCE, 1951, 114 (2951) : 64 - 65

[3] A NOTE ON THE LEAD ISOTOPE METHOD OF AGE DETERMINATION [J]. SCIENCE, 1953, 118 (3069) : 486 - 488

[4] THE MAXIMUM AGE OF THE ELEMENTS AND THE AGE OF THE EARTHS CRUST [J]. CANADIAN JOURNAL OF PHYSICS, 1953, 31 (03) : 402 - 418

[5] A MODIFICATION OF THE ISOTOPIC LEAD METHOD FOR DETERMINATION OF GEOLOGICAL AGES [J]. PHYSICAL REVIEW, 1951, 82 (06): : 966 - 967

[6] COLLINS CB, 1954, B GEOL SOC AM, V65, P1

[7] CUMMING GL, 1954, T AM GEOPHYS UN, V35, P301

[8] DAVIDSON CF, 1954, T I MIN METAL, V63, P244

[9] ISOTOPENANALYSEN AN BLEI AUS MINERALEN [J]. ZEITSCHRIFT FUR PHYSIK, 1953, 134 (03): : 317 - 333

[10] EWING M, 1954, GEOL SOC AM BULL, V65, P195