Hematite Ooids - Silurian - Clinton Formation (O/24/Sil/NY)
| Outstanding feature |
Hematite ooids and leached grains |
| Folk Classification |
Leached well sorted hematite oohematite |
| Dunham Classification |
Well sorted hematite ooid grainstone |
| Common Grains |
Ooids and quartz nucleae |
| Sorting |
Well sorted |
| Rounding |
Well rounded |
| Micritization & envelopes |
All hematititic material |
| Cement & diagenetic fabric |
Hematite |
| Porosity |
30% leached intraparticle porosity |
| Depositional Setting |
High energy shoal |
| Diagenetic history |
Precipitation of hematite around quartz, later leaching. |
Hematite ooid grains with empty pores within the ooids that are the product of dissolution.
Thursday, November 11, 2021