Skeletal - Gastropodia - Vermitid (B/5/Hol/Bah)
 2.5x
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 5x
|
 5x cross nicol
|
 2.5x
|
 2.5x
|
 2.5x wave plate
|
 5x
|
 10x
|
 2.5x
|
| Outstanding feature |
Vermitid gastropods & clione bores |
| Folk Classification |
Porous vermitid gastropod biomicrite |
| Dunham Classification |
Porous vermitid gastropod packstone |
| Common Grains |
Vermitid gastropods & mollusc debries |
| Sorting |
Poor |
| Rounding |
None |
| Micritization & envelopes |
Some alteration of grain boundaries |
| Cement & diagenetic fabric |
Micrite cementation |
| Porosity |
35-40% interparticle |
| Depositional Setting |
Reef bommie from near shore |
| Diagenetic history |
Marine micritization & cementation |
This is from part of a vermiculid reef formed in the near shore area near to Nicolstown of Andros Island in the Bahamas
Thursday, November 11, 2021