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Lower Quifangondo Formation
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Lower Quifangondo Fm base reconstruction

Lower Quifangondo Fm


Period: 
Neogene

Age Interval: 
earliest Miocene


Province: 
Offshore and Coastal Region (Gabon-Congo-Angola)

Type Locality and Naming

Offshore Angola region (General)

Synonym:


Lithology and Thickness

lower part of Dark and gypsiferous claystone with thin interbeds of dolomite; and main upper part of dark claystone and sandy claystone


Lithology Pattern: 
Claystone


Relationships and Distribution

Lower contact

Unconformity onto Cunga Fm

Upper contact

Regional extent

Offshore Kwanza basin of Angola region (General)


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[13.17,-9.7],[13.79,-12.04],[12.7,-13.24],[11.85,-16.32],[11.81,-18.23],[11.69,-18.43],[11.07,-18.31],[10.01,-17.61],[10.01,-15.85],[11.14,-13.24],[11.61,-11.41],[11.38,-10.09],[11.22,-9.07],[12.24,-9.62],[13.17,-9.7]]]]}}

Fossils


Age 

earliest Miocene

Age Span: 

    Beginning stage: 
Aquitanian

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
23.04

    Ending stage: 
Burdigalian

    Fraction up in the ending stage: 
0.0

    Ending date (Ma):  
20.45

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