Grapestone & Peloids (Int/22/Ple/Berm)
Outstanding feature |
Grapestones, pelloids, and micritized ooids |
Folk Classification |
Poorly washed Peletted Grapestone Intrasparite |
Dunham Classification |
Grapestone Grainstone to Packstone |
Common Grains |
Grapestones, pelloids, and micritized ooids |
Sorting |
Moderately sorted |
Rounding |
Rounded |
Micritization & envelopes |
Mcritization of grapestones, ooids and pelloids |
Cement & diagenetic fabric |
Micrite cementing and replacing grains. Some spar cement. |
Porosity |
30% Interpartical |
Depositional Setting |
Moderate energy shoal |
Diagenetic history |
Marine cementation of sea floor to form hardgrounds. |
Striking marine cementation and replacement of grains by micrite. Some pore spaces between grains filled by spar but most filled by blue stained epoxy.
Thursday, November 11, 2021