Hematite Ooids - Silurian - Clinton Formation (O/24/Sil/NY)

2.5 wave plate
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