SOUDAN FORMATION - ORGANIC EXTRACTS OF EARLY PRECAMBRIAN ROCKS

[21] EVIDENCE IN METEORITES OF FORMER LIFE - ORGANIC COMPOUNDS IN CARBONACEOUS CHONDRITES ARE SIMILAR TO THOSE FOUND IN MARINE SEDIMENTS [J]. ANNALS OF THE NEW YORK ACADEMY OF SCIENCES, 1963, 108 (02) : 553 - &

[22] MEINSCHEIN WG, 1959, AAPG BULL, V43, P925

[23] MEINSCHEIN WG, 1964, NASW508 QUART REP NA

[24] OPARIN AI, 1957, OROGIN LIFE EARTH

[25] HYDROCARBONS OF BIOLOGICAL ORIGIN IN SEDIMENTS ABOUT 2 BILLION YEARS OLD [J]. SCIENCE, 1965, 148 (3666) : 77 - &

[26] Silverman S.R., 1964, ISOTOPIC COSMIC CHEM, P92

[27] OCCURRENCE OF STRUCTURALLY PRESERVED PLANTS IN PRE-CAMBRIAN ROCKS OF THE CANADIAN SHIELD [J]. SCIENCE, 1954, 119 (3096) : 606 - 608

[21] EVIDENCE IN METEORITES OF FORMER LIFE - ORGANIC COMPOUNDS IN CARBONACEOUS CHONDRITES ARE SIMILAR TO THOSE FOUND IN MARINE SEDIMENTS [J]. ANNALS OF THE NEW YORK ACADEMY OF SCIENCES, 1963, 108 (02) : 553 - &

[22] MEINSCHEIN WG, 1959, AAPG BULL, V43, P925

[23] MEINSCHEIN WG, 1964, NASW508 QUART REP NA

[24] OPARIN AI, 1957, OROGIN LIFE EARTH

[25] HYDROCARBONS OF BIOLOGICAL ORIGIN IN SEDIMENTS ABOUT 2 BILLION YEARS OLD [J]. SCIENCE, 1965, 148 (3666) : 77 - &

[26] Silverman S.R., 1964, ISOTOPIC COSMIC CHEM, P92

[27] OCCURRENCE OF STRUCTURALLY PRESERVED PLANTS IN PRE-CAMBRIAN ROCKS OF THE CANADIAN SHIELD [J]. SCIENCE, 1954, 119 (3096) : 606 - 608