PROTEROZOIC STROMATOLITE ZONATION

[51] ROBERTSON WA, 1960, 47 AUSTR BUR MIN RES

[52] SCHOPF J W, 1968, Journal of Paleontology, V42, P651

[53] SEMIKHATOV MA, 1962, AKAD NAUK SSSR GEOL, V68

[54] SEMIKHATOV MA, 1965, AKAD NAUK SSSR G, P70

[55] SEMIKHATOV MA, 1965, AKAD NAUK SSSR DOKLA, V165, P1383

[56] SHRIDE AF, 1967, 566 US GEOL SURV PRO

[57] SOHNGE PG, 1962, GEOL SOC SOUTH AFR 2, V65, P367

[58] TOUGARINOV AJ, 1966, PRECAMBRIAN CHRONOLO

[59] WALCOTT CD, 1914, 64 SMITHS MISC COLLN

[60] YOUNG RB, 1948, GEOL SOC S AFRICA T, V51, P53

[51] ROBERTSON WA, 1960, 47 AUSTR BUR MIN RES

[52] SCHOPF J W, 1968, Journal of Paleontology, V42, P651

[53] SEMIKHATOV MA, 1962, AKAD NAUK SSSR GEOL, V68

[54] SEMIKHATOV MA, 1965, AKAD NAUK SSSR G, P70

[55] SEMIKHATOV MA, 1965, AKAD NAUK SSSR DOKLA, V165, P1383

[56] SHRIDE AF, 1967, 566 US GEOL SURV PRO

[57] SOHNGE PG, 1962, GEOL SOC SOUTH AFR 2, V65, P367

[58] TOUGARINOV AJ, 1966, PRECAMBRIAN CHRONOLO

[59] WALCOTT CD, 1914, 64 SMITHS MISC COLLN

[60] YOUNG RB, 1948, GEOL SOC S AFRICA T, V51, P53