Dense Micrite with Ghosts of Peloids (Mic/8/K/Tx)
2.5x cross nicols
|
5x
|
5x cross nicols
|
10x
|
10x cross nicols
|
2.5x
|
Outstanding feature |
Peloids, and bioclastic hash in micrite |
Folk Classification |
Pelmicrite |
Dunham Classification |
Peloid wackestone |
Common Grains |
Peloids & unidentifiable fossil fragments |
Sorting |
Very poor |
Rounding |
Little |
Micritization & envelopes |
Alteration of bioclasts |
Cement & diagenetic fabric |
Micrite and calcite filled fenestrae |
Porosity |
None, filled by micrite and sparry calcite |
Depositional Setting |
Low energy proteced area |
Diagenetic history |
Micrite cementation |
This fabric is typical micrite, from a sheltered setting that is collecting fine grained fragmented bioclastic materials and micrite.
Thursday, November 11, 2021