Microscopic

Skeletal - Calcareous Algae - Rhodophytae (Al/4/Rec/Bikini)

2.5x
2.5x
5x
10x
2.5x cross nicols
2.5x wave plate
Outstanding feature Porolithon Craspedium
Folk Classification Porolithon Biolithite
Dunham Classification Porolithon Boundstone
Common Grains Porolithon
Sorting None
Rounding None
Micritization & envelopes None
Cement & diagenetic fabric None
Porosity None
Depositional Setting Holocene reef of Bikini Atoll
Diagenetic history None apparent

Porolithon Craspedium from the Holocene of the Bikini Atoll of the Marshall Islands, from the J Harlan Johnson Collection. 


Tuesday, April 28, 2020
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