Skeletal - Coral Debris and Micrite (B/10/Ple/Eni)
| Outstanding feature |
Coral debris, micritized grains & spar |
| Folk Classification |
Poorly coral washed biosparite |
| Dunham Classification |
Coral packstone |
| Common Grains |
Coral fragments, forams & micritized grains |
| Sorting |
Poor |
| Rounding |
Some |
| Micritization & envelopes |
Skeletal grains being micritized |
| Cement & diagenetic fabric |
Irregular equant spar & micrite |
| Porosity |
Interparticle 30% |
| Depositional Setting |
Atoll frame |
| Diagenetic history |
Possible freshwater spar infilling interparticle porosity |
Well drilled to 116 ft on the margin of the Eniwetok Atoll, in the Marshall Islands. Note the early diagenesis of this bioclastic carbonate!
Thursday, November 11, 2021