Dolomite ( Dol-/1/Ord/Ten )
 2.5x cross nicols
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 2.5x wave plate
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 5x
|
 5x cross nicols
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 10x
|
 10x cross nicol
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| Outstanding feature | Crystalline dolomite mozaic |
| Folk Classification | Dolomite rhomb mozaic |
| Dunham Classification | Dolomite rhomb mozaic |
| Common Grains | Dolomite rhombs and equant calcite |
| Sorting | Bimodal crystal size |
| Rounding | Angular rhombs |
| Micritization & envelopes | None |
| Cement & diagenetic fabric | Complete replacement of original fabric by dolomite |
| Porosity | None |
| Depositional Setting | Unknown |
| Diagenetic history | Complete dolomitization of original fabric |
Striking equant bimodal crystals of authogenic dolomite. Note sparse calcite fill of areas between the dolomite rhombs.
Thursday, November 11, 2021