Micrite Matrix with Spicules, Ostracods & Calcispheres (Mic/4/?)
![](Images/_Gallery_Micro/Photos_Related/mic-04-X-2-5x.jpg) 2.5x cross nicols
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![](Images/_Gallery_Micro/Photos_Related/mic-04-5x.jpg) 5x
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![](Images/_Gallery_Micro/Photos_Related/mic-04-X-5x.jpg) 5x cross nicols
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![](Images/_Gallery_Micro/Photos_Related/mic-04-10x.jpg) 10x
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![](Images/_Gallery_Micro/Photos_Related/mic-04-X-10x.jpg) 10x cross nicols
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![](Images/_Gallery_Micro/Photos_Related/mic-04-2-5x.jpg) 2.5x
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Outstanding feature |
Calcispheres, spicules and ostracods in micrite |
Folk Classification |
Spicular biomicrite |
Dunham Classification |
Bioclastic wackestone |
Common Grains |
Calcispheres, spicules and ostracods |
Sorting |
Very poor |
Rounding |
Little |
Micritization & envelopes |
Alteration of bioclasts |
Cement & diagenetic fabric |
Micrite |
Porosity |
None |
Depositional Setting |
Low energy proteced area |
Diagenetic history |
Micrite cementation |
This fabric is typical micrite, from a deeper setting that is collecting spongue spicules, ostracods and calcispheres.
Thursday, November 11, 2021