Several facies zones are developed.
Basin, marginal-slope, platform with reef-margin, reef-flat and back-reef.
Group includes five formations:
Djilirri Limeston
Kamilili Fm.
Wungabal Limestone
Garimala Limestone
Buttons Fm.

Except for Buttons Fm. all formatins part of reef complex. 
Thickness of Ninging Group 171-1166 m.