AGE OF TRANSITION IN PRE-CAMBRIAN ATMOSPHERE

[1] BARRON CN, 1961, 5 P INT GEOL C, P118

[2] BATESON JH, IN PREPARATION

[3] CANNON RT, 1964, GEOL SURV BRIT GUIAN, V35

[4] Gansser R., 1954, ECLOGAE GEOL HELV, V44, P77

[5] NEW INTERPRETATION OF GEOLOGY OF BRITISH GUIANA [J]. NATURE, 1964, 204 (495) : 115 - &

[6] LEAKAGE OF RADIOGENIC ARGON AND STRONTIUM FROM MINERALS IN PROTEROZOIC DOLERITES FROM BRITISH GUIANA [J]. NATURE, 1963, 198 (488) : 564 - &

[7] RUST B, 1963, GEOL MAG, V100, P24

[8] Rutten MG, 1962, GEOLOGICAL ASPECTS O

[9] AGE OF RORAIMA FORMATION, BRITISH GUIANA [J]. NATURE, 1963, 198 (488) : 1079 - &

[10] SNELLING NJ, IN PREPARATION

[1] BARRON CN, 1961, 5 P INT GEOL C, P118

[2] BATESON JH, IN PREPARATION

[3] CANNON RT, 1964, GEOL SURV BRIT GUIAN, V35

[4] Gansser R., 1954, ECLOGAE GEOL HELV, V44, P77

[5] NEW INTERPRETATION OF GEOLOGY OF BRITISH GUIANA [J]. NATURE, 1964, 204 (495) : 115 - &

[6] LEAKAGE OF RADIOGENIC ARGON AND STRONTIUM FROM MINERALS IN PROTEROZOIC DOLERITES FROM BRITISH GUIANA [J]. NATURE, 1963, 198 (488) : 564 - &

[7] RUST B, 1963, GEOL MAG, V100, P24

[8] Rutten MG, 1962, GEOLOGICAL ASPECTS O

[9] AGE OF RORAIMA FORMATION, BRITISH GUIANA [J]. NATURE, 1963, 198 (488) : 1079 - &

[10] SNELLING NJ, IN PREPARATION