GEOLOGICAL AGE - THE EXTREME ANTIQUITY OF PEGMATITES FROM MANITOBA

[11] The isotopic constitution of radiogenic leads and the measurement of geological time. II [J]. PHYSICAL REVIEW, 1939, 55 (02): : 0153 - 0163

[12] STRASSMANN, 1938, BER B, V71, P1

[13] WICKMAN FE, 1944, SVER GEOL UNDERS C

[14] WRIGHT JF, 1932, CANADA GEOL SURV MEM, V169, P12

[11] The isotopic constitution of radiogenic leads and the measurement of geological time. II [J]. PHYSICAL REVIEW, 1939, 55 (02): : 0153 - 0163

[12] STRASSMANN, 1938, BER B, V71, P1

[13] WICKMAN FE, 1944, SVER GEOL UNDERS C

[14] WRIGHT JF, 1932, CANADA GEOL SURV MEM, V169, P12