M'Bya South Gabon Subbasin West Fm
Period:
Cretaceous
Age Interval:
Province:
Gabon General lithology
Type Locality and Naming
Column: South Gabon Subbasin West
Lithology and Thickness
M'Bya Fm:
THICKNESS = Melania Group totals >1200mCALIBRATION = 20% up in the Barremian.
REFERENCE = U.S. Geological Survey "Geology and Total Petroleum Systems of the West-Central Coastal Province (7203), West Africa" Bulleton 2207-B
THICKNESS = Melania Group totals >1200mCALIBRATION = 20% up in the Barremian.
REFERENCE = U.S. Geological Survey "Geology and Total Petroleum Systems of the West-Central Coastal Province (7203), West Africa" Bulleton 2207-B
Lithology Pattern:
Claystone
Relationships and Distribution
Lower contact
Upper contact
Regional extent
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[7.5,-1.5],[6.5,-2.5],[7.5,-3.5],[8.5,-2.5],[7.5,-1.5]]]]}}
Fossils
Age
Age Span:
Beginning stage:
Hauterivian
Fraction up in beginning stage:
0.92
Beginning date (Ma):
127.00
Ending stage:
Barremian
Fraction up in the ending stage:
0.41
Ending date (Ma):
124.41
Depositional setting
Depositional pattern:
Additional Information
long: 7.5 lat: -2.5
Compiler: