Arkadelphia Marl

Arkadelphia Marl
State Arkansas
Name Arkadelphia Marl
Geologic age Late Cretaceous
Lithologic constituents
Major
Sedimentary > Carbonate > Marlstone (Bed)
Sedimentary > Clastic > Mudstone (Bed)
Minor
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Clastic > Sandstone (Calcareous)
Comments Fossiliferrous marl and marly clay, calcareous sandstone, sandy clay, sandy limestone, limestone and chalk. Approximatly 160 ft. thick. .Marl refers to loosley consolidated calcareous clays, silts and sands containing glauconite. Chalk= Limestone
References

Dane, C.H.,1929, Upper Cretaceous formations of southwestern Arkansas: Arkansas Geol. Survey Bull.1, 215 pp.

NGMDB product
Counties Clark - Hempstead - Nevada