Outstanding feature |
Intraclastic porous grapestone |
Folk Classification |
Porous ooid intramicrite |
Dunham Classification |
Porous intraclastic packstone |
Common Grains |
Grapestones, superficial ooids, & bioclasts |
Sorting |
Poor |
Rounding |
Poor |
Micritization & envelopes |
Micritization is binding the grains |
Cement & diagenetic fabric |
Micritization is binding the grains |
Porosity |
30% intraparticle |
Depositional Setting |
Moderate energy tidal channel |
Diagenetic history |
Micritization & cementation on sea floor |
This sample is from a tidal channel which shows early cementation on it floor. The sample is being cemented by micrite and some of the grains are being micritized.