Includes Niari Conglomerate Formation
Period:
Ediacaran
Age Interval:
569–571 Ma
Province:
West Congo Basin / Bas-Congo region, DRC
Lithology and Thickness
local occurrence of shaly supported conglomerate with chert and limestone clasts Thickness: ca. 50 m.
Lithology Pattern:
Aus conglomerate
Relationships and Distribution
Lower contact
Underlain by the Ngandu Fm.
Upper contact
Overlain by the Gidinga Fm.
Regional extent
West Congo Belt (DRC, Republic of Congo, Gabon, NW Angola).
GeoJSON
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Fossils
Age
Mpioka shown as Late Ediacaran on Figure → Interpolated by thickness, ca. 75% up in Ediacaran as estimated base
Age Span:
Beginning stage:
Ediacaran
Fraction up in beginning stage:
0.69
Beginning date (Ma):
568.62
Ending stage:
Ediacaran
Fraction up in the ending stage:
0.66
Ending date (Ma):
571.51
Depositional setting
Siliciclastic proximal marine deposition interrupted by some continental episodes; late-orogenic molasse-type foreland basin (Tack et al., 2001; Frimmel et al., 2006).
Depositional pattern:
Additional Information
Compiler:
Cailteux, J.L.H., Delpomdor, F.R.A., & Ngoie Ndobani, J.-P. (2015). The Neoproterozoic West-Congo 'Schisto-Calcaire' sedimentary succession from the Bas-Congo region (Democratic Republic of the Congo) in the frame of regional tentative correlations. Geologica Belgica, 18/2-4, 126–146.