Dolomite ( Dol-/3/Jur/Ala )
2.5x
|
5x
|
10x
|
2.5x
|
5x
|
5x wave plate
|
10x wave plate
|
Outstanding feature | Finely crystalline dolomite mozaic |
Folk Classification | Dolomitized pelmicrite |
Dunham Classification | Dolomitized pellet packstone |
Common Grains | Ghosts of pellets and dolomite rhombs |
Sorting | Moderately sorted pellets |
Rounding | Rounded pellets |
Micritization & envelopes | Abundant, obscured by dolomitization |
Cement & diagenetic fabric | Replacement of original fabric by dolomite |
Porosity | 7-10% Interparticle |
Depositional Setting | Low energy lagoon or tidal flat |
Diagenetic history | Complete dolomitization of original fabric |
Ghosts of pellets with a well developed interparticle porosity.
Thursday, November 11, 2021