Savanna Formation

Savanna Formation
State Arkansas
Name Savanna Formation
Geologic age Late Pennsylvanian- Des Moinesian
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Incidental
Sedimentary > Coal (Bed)
Comments Shale with interbedded sandstone and some economic coal beds. Approximatly 1600 ft. maximum thickness Some economic coal prodution
References
NGMDB product
Counties Crawford - Franklin - Johnson - Logan - Scott - Sebastian