Neomorphosed Carbonate (N/6/Hol/Ontario)
2.5x
|
2.5x
|
5x
|
5x
|
2.5 cross nicols
|
2.5 wave plate
|
2.5 wave plate
|
5x wave plate
|
5x wave plate
|
Outstanding feature |
Spheroids of aragonite crystals displacing and replacing micrite matrix |
Folk Classification |
Aragonite spheroid boundstone |
Dunham Classification |
Aragonite spheroid boundstone |
Common Grains |
Aragonite spheroids and micrite layers and intraclasts |
Sorting |
Poorly sorted |
Rounding |
Not applicable |
Micritization & envelopes |
Micrite envelopes and local micrite matrix |
Cement & diagenetic fabric |
Completedisplacement and replacement of matrix by aragonite spheroids |
Porosity |
40% voids leached in matrix |
Depositional Setting |
Travertine covered falls |
Diagenetic history |
Recrystallized micrite & matrix replaced by aragonite speroids. |
Striking recrystallization of matrix with growth spheroidal mozaics of aragonite travertine.
Thursday, November 11, 2021