Outstanding feature | Crystalline dolomite mozaic, fossil remnants & intercrystalline porosity. Dead oil. |
Folk Classification | Dolomitized biosparite |
Dunham Classification | Dolomitized bioclastic packstone |
Common Grains | Dolomite rhombs and fossil fragments |
Sorting | Unknown, bimodal crystal size |
Rounding | Fossils show rounding, angular rhombs |
Micritization & envelopes | Some |
Cement & diagenetic fabric | Almost complete replacement of original fabric by dolomite |
Porosity | 15% Intercrystalline & dead oil in pores |
Depositional Setting | Higher energy shoal |
Diagenetic history | Dolomitization of bioclastic fabric |
Striking intercrystalline porosity (now filled by blue epoxy and dead oil) and fragments of original bioclastic grains.