Miocene Series undifferentiated

Moderate-yellowish-orange thin-bedded to massive fine to coarse sand, gravelly sand, thin-bedded to massive clay and sandy clay. Clays are plastic in part. Limonite pellets occur in places along clay-sand contacts. Gravel is composed of quartz and chert granules and pebbles. Locally the upper part of the unit is Pliocene in age.
State Alabama
Name Miocene Series undifferentiated
Geologic age Miocene
Lithologic constituents
Major
Unconsolidated > Fine-detrital > Clay
Unconsolidated > Coarse-detrital > SandLimonite pellets occur in places along clay-sand contacts.
Minor
Unconsolidated > Coarse-detrital > GravelGravel is composed of quartz and chert granules and pebbles.
Incidental
Sedimentary > Chemical > ChertGravel is composed of quartz and chert granules and pebbles.
References

Szabo, M.W., Osborne, E.W., Copeland, C.W. Jr., and Neathery, T.L., 1988, Geologic Map of Alabama, Geological Survey of Alabama Special Map 220, scale 1:250,000.

NGMDB product
Counties Baldwin - Choctaw - Clarke - Conecuh - Covington - Escambia - Mobile - Monroe - Washington