Neomorphosed Carbonate (N/17/Pen/NMx)
| Outstanding feature |
Micrite supported cavity with some algal plates and voids filled by a mozaic of calcite spar |
| Folk Classification |
Porous algal mound with cavities filled by calcite spar |
| Dunham Classification |
Porous algal boundstone with cavities filled by calcite spar |
| Common Grains |
Ivanovea algal plates |
| Sorting |
Not applicable |
| Rounding |
Not applicable |
| Micritization & envelopes |
Micitic matrix |
| Cement & diagenetic fabric |
Equant calcite spar filling cavities beneath micrite supported cavity |
| Porosity |
20% leached spar in cavities |
| Depositional Setting |
Moderate energy algal mound shoal |
| Diagenetic history |
Early calcite fill of cavites beneath micrite and algal plates |
Equant calcite mozaic filling voids beneath micrite and Ivanovia algal plates.
Thursday, November 11, 2021