Geologic units in Scotland county, North Carolina

Middendorf Formation (Cretaceous) at surface, covers 89 % of this area

Sand, sandstone, and mudstone, gray to pale gray with an orange cast, mottled; clay balls and iron-cemented concretions common, beds laterally discontinuous, cross-bedding common.

Pinehurst Formation (Tertiary) at surface, covers 9 % of this area

Sand, medium- to coarse-grained, cross-bedding and rhythmic bands of clayey sand common, unconsolidated.

Black Creek Formation (Cretaceous) at surface, covers 0.7 % of this area

Clay, gray to black, lignitic; contains thin beds and laminae of fine-grained micaceous sand and thick lenses of cross-bedded sand. Glauconitic, fossiliferous clayey sand lenses in upper part.

Yorktown Formation and Duplin Formation, Undivided (Tertiary) at surface, covers 0.6 % of this area

Yorktown Formation: fossiliferous clay with varying amounts of fine-grained sand, bluish gray, shell material commonly concentrated in lenses; mainly in area north of Neuse River. Duplin Formation: shelly, medium- to coarse-grained sand, sandy marl, and limestone, bluish gray; mainly in area south of Neuse River.

Duplin Formation (Pliocene) at surface, covers < 0.1 % of this area

Coastal terrace of Carolinas. Pliocene equivalent to Yorktown. Deeply weathered.

Peedee Formation - Black Creek Group, undivided (Cretaceous) at surface, covers < 0.1 % of this area

Peedee Formation - Black Creek Group, undivided