Gidinga Fm
Period:
Ediacaran
Age Interval:
566–569 Ma
Province:
West Congo Basin / Bas-Congo region, DRC
Type Locality and Naming
Synonym:
Reference section:
Lithology and Thickness
greyish-green carbonate sandstone and shale, with interbedded reddish psammite & feldspathic quartzite Thickness: 45 m.
Lithology Pattern:
Clayey sandstone
Relationships and Distribution
Lower contact
Underlain by the Bangu and Niari Conglomerate (local) Fm.
Upper contact
Overlain by the Luvemba Fm.
Regional extent
West Congo Belt (DRC, Republic of Congo, Gabon, NW Angola).
GeoJSON
{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[10.77,-1.12],[10.9,-1.26],[10.96,-1.41],[10.97,-1.63],[10.99,-1.85],[11.12,-2.02],[11.48,-2.31],[11.78,-2.6],[12.05,-2.82],[12.39,-3.13],[12.86,-3.54],[13.07,-3.66],[13.34,-3.84],[13.56,-3.98],[13.89,-4.3],[14.16,-4.74],[14.24,-5.01],[14.26,-5.32],[14.31,-5.76],[14.41,-5.98],[14.57,-6.31],[14.78,-6.6],[14.99,-6.9],[15.23,-7.22],[15.58,-7.85],[15.64,-8.08],[15.62,-8.5],[15.5,-8.7],[15.19,-8.87],[14.89,-8.84],[14.67,-8.73],[14.55,-8.45],[14.33,-8.11],[14.16,-7.75],[13.95,-7.59],[13.75,-7.36],[13.69,-6.93],[13.68,-6.68],[13.65,-6.33],[13.51,-6.04],[13.39,-5.67],[13.3,-5.34],[13.15,-5.06],[12.98,-4.81],[12.83,-4.72],[12.61,-4.59],[12.44,-4.39],[12.26,-4.27],[11.96,-4.02],[11.8,-3.76],[11.59,-3.65],[11.32,-3.51],[11.21,-3.36],[11.37,-3.32],[11.51,-3.21],[11.24,-2.97],[11.07,-2.82],[10.87,-2.52],[10.71,-2.14],[10.66,-1.92],[10.64,-1.57],[10.64,-1.29],[10.73,-1.18],[10.73,-1.18],[10.73,-1.18],[10.77,-1.16],[10.77,-1.16],[10.77,-1.12]]]]}}
Fossils
Age
Interpolated by thickness (45m of 420m) between 550.0–571.3 Ma
Age Span:
Beginning stage:
Ediacaran
Fraction up in beginning stage:
0.71
Beginning date (Ma):
566.70
Ending stage:
Ediacaran
Fraction up in the ending stage:
0.69
Ending date (Ma):
568.62
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.