Gypsum (K/1/Perm/Eng)
![](Images/_Gallery_Micro/Photos_Related/k-1-X-2-5x-01.jpg) 2.5x cross nicols
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![](Images/_Gallery_Micro/Photos_Related/k-01-X-5x-01.jpg) 5x cross nicols
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![](Images/_Gallery_Micro/Photos_Related/k-01-X-10x-01.jpg) 10x cross nicols
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Outstanding feature | Gypsum lathes |
Folk Classification | Gypsum Crystals |
Dunham Classification | Gypsum Crystals |
Common Grains | Gypsum Crystals |
Sorting | |
Rounding | |
Micritization & envelopes | |
Cement & diagenetic fabric | Gypsum |
Porosity | none |
Depositional Setting | Evaporitive marine setting |
Diagenetic history | Evaporite precipitation |
Gypsum Crystals forming at the edge of the Permian Zechstein Sea in the North of England.
Thursday, November 11, 2021