Indigenous Precambrian petroleum revisited
Journal Article
·
· Am. Assoc. Pet. Geol. Bull.; (United States)
OSTI ID:6707183
- Texas Tech. Univ., Lubbock
Irrefutable evidence of fossil remains from Precambrian sediments and proved petroleum reserves in upper Proterozoic (Riphean-Vendian) strata of the Irkutsk basin, USSR, suggest that unmetamorphosed Precambrian sedimentary rocks should be a focus for hydrocarbon exploration. Since 1965, a dramatic increase in publications which document worldwide occurrences of Precambrian life forms discloses that, by the end of the Proterozoic, organic evolution had produced diversified assemblages of relatively highly developed macroorganisms and microorganisms. Some of these organisms have generated crude oil in the Nonesuch Shale of northern Michigan and kerogen in stromatolitic carbonate rocks in Africa Kerogen has been extracted from approx. 2300-m.y. old Transvaal (Africa) stromatolitic limestone containing coccoid and complex filamentous cyanophytes. Also, aromatic and aliphatic hydrocarbons have been obtained from the approx. 2800-m.y. old Bulawayan stromatolitic limestone of Rhodesia. Additional evidence indicates that commercial reserves of petroleum from Precambrian strata are possible. An oil discovery in Lower Cambrian rocks in 1962, at Markovo in the Irkutsk basin of the Siberian platform area, led to four noncommercial and eight commercial fields producing from Lower Cambrian and Upper Proterozoic strata.
- OSTI ID:
- 6707183
- Journal Information:
- Am. Assoc. Pet. Geol. Bull.; (United States), Journal Name: Am. Assoc. Pet. Geol. Bull.; (United States) Vol. 64:10; ISSN AAPGB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020200* -- Petroleum-- Reserves
Geology
& Exploration
AFRICA
ASIA
DIAGENESIS
EASTERN EUROPE
ENERGY SOURCES
EUROPE
EXPLORATION
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
GEOLOGIC AGES
GEOLOGIC DEPOSITS
GEOLOGY
GREAT LAKES REGION
MICHIGAN
MINERAL RESOURCES
NATURAL GAS
NORTH AMERICA
PETROLEUM
PETROLEUM DEPOSITS
PETROLEUM GEOLOGY
PRECAMBRIAN ERA
RESERVOIR ROCK
RESOURCES
ROCKS
SEDIMENTARY ROCKS
SOUTH AFRICA
USA
USSR
ZIMBABWE
020200* -- Petroleum-- Reserves
Geology
& Exploration
AFRICA
ASIA
DIAGENESIS
EASTERN EUROPE
ENERGY SOURCES
EUROPE
EXPLORATION
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
GEOLOGIC AGES
GEOLOGIC DEPOSITS
GEOLOGY
GREAT LAKES REGION
MICHIGAN
MINERAL RESOURCES
NATURAL GAS
NORTH AMERICA
PETROLEUM
PETROLEUM DEPOSITS
PETROLEUM GEOLOGY
PRECAMBRIAN ERA
RESERVOIR ROCK
RESOURCES
ROCKS
SEDIMENTARY ROCKS
SOUTH AFRICA
USA
USSR
ZIMBABWE