Cenozoic

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Opuama Formation

Opuama Fm

Period:

Paleogene, Neogene

Age Interval:

Province:
Western Africa: Niger Delta

Type Locality and Naming

Synonym:

Lithology and Thickness

Channel complex

[Figure: Stratigraphic data sheet (west and east halves combined) of the Niger Delta.]

Lithology Pattern:

clayey sandstone

Benin Gr

Upper contact

Could be the upper part of the Agbada Gr (offshore direction) or Benin Gr (onshore direction).

Regional extent

Niger Delta. The geo-josn is left empty on purpose because this channel complex formation seems to be local and doesn’t last long in age span.

GeoJSON

null

Fossils

Age Span:

Beginning stage:

Rupelian

Fraction up in beginning stage:

Beginning date (Ma):

33.90

Ending stage:

Langhian

Fraction up in the ending stage:

Ending date (Ma):

15.99

Depositional pattern:

Additional Information

Compiler:

Rebecca Bobick (and Wen Du), modified from Reijers, T.J.A., "stratigraphy and sedimentology of the Niger Delta", Geologos, 2011, 17(3): 133-162