Red Basal Series Fm
Period:
Jurassic
Age Interval:
vague Middle and Upper Jurassic
Province:
Offshore and Coastal Region (Gabon-Congo-Angola)
Type Locality and Naming
Offshore Angola region (General)
Synonym:
Lithology and Thickness
Red argillaceous sandstone and conglomerate
Lithology Pattern:
Aus conglomerate
Relationships and Distribution
Lower contact
Igneous rocks (volcanic ash, dolerite and basalt) of Lower Jurassic, which overlie basement
Upper contact
Regional extent
Offshore Kwanza basin of Angola region (General)
GeoJSON
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Fossils
Age
vague. Put here as Middle and Upper Jurassic
Age Span:
Beginning stage:
Aalenian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
174.70
Ending stage:
Tithonian
Fraction up in the ending stage:
1.0
Ending date (Ma):
143.10
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Rebecca Bobick (and Jim Ogg), modified from Figure in Brownfield, M.E. and Charpentier, R.R., "Geology and Total Petroleum Systems of the West-Central Coastal Province (7203), West Africa", US Geological Survey Bulletin 2207-B