Microscopic

Neomorphosed Carbonate ( N/7/? )

2.5x
2.5x cross nicols
2.5x wave plate
5x
5x cross nicols
5x wave plate
Outstanding feature Cavernous and fractured intramicrite is being replaced by a marble
Folk Classification Cavernous intramicrite being tranformed to marble
Dunham Classification Cavernous pelpackstone undergoing tranformation to marble
Common Grains Intraclasts or micritized grains
Sorting Moderately well sorted
Rounding Rounded
Micritization & envelopes Grains are intraclasts or micritized pisolites
Cement & diagenetic fabric Earlier development of pendulous cement filling cavities in intrmicrite. Final fill be calcite spar. Complete replacement of cavernous intramicrite and matrix by marble
Porosity 5% Leached Intrapartical
Depositional Setting Low energy shoal
Diagenetic history Recrystallized micrite & leached fossil bioclasts
Striking cavites filled by penduous cements, internal sediments within intramicrites.Final cavity fill be calcite spar. Marblization reflected by the slight grain growth or neomorphism of Folk of micritic grains. Some healed fractures.

Monday, March 29, 2021
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