Microscopic

Neomorphosed Carbonate ( N/2/Pm/Eng )

2.5x
2.5x wave plate
5x
5x wave plate
2.5x
2.5x wave plate
5x
5x wave plate
Outstanding feature Fine and medium grained equant calcite crystals replace micrite matrix
Folk Classification Sparse pelmicrite
Dunham Classification Sparse pellet packstone
Common Grains Ghosts of pellets but common calcite rhombs
Sorting Poorly sorted
Rounding Some indistinct rounding
Micritization & envelopes Grains are ghosts of peloids and micrite envelopes
Cement & diagenetic fabric Complete replacement of pelloids bimodal equant calcite
Porosity None
Depositional Setting Low energy shoal
Diagenetic history Recrystallized pelmicrite
Striking recrystallization of micrite with bimodal grain growth mozaic. This is the grain growth or neomorphism of Folk.

Monday, August 27, 2018
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