Tabb Formation; Poquoson Member

Poquoson Member (Johnson, 1976). Medium to coarse, pebbly sand grades upward into clayey fine sand and silt, light- to medium-gray; underlies ridge and swale topography (altitude ranges from sea level to 11 feet) along the margin of Chesapeake Bay and in the lower and middle parts of Coastal Plain rivers. Thickness is 0 to 15 feet.
State Virginia
Name Tabb Formation; Poquoson Member
Geologic age Quaternary
Lithologic constituents
Unconsolidated > Fine-detrital > Silt
Unconsolidated > Coarse-detrital > Sand
Comments Coastal Plain

Virginia Division of Mineral Resources, 1993, Geologic Map of Virginia: Virginia Division of Mineral Resources, scale 1:500,000.

Virginia Division of Mineral Resources, 2003, Digital Representation of the 1993 Geologic Map of Virginia, Publication 174, CD ROM (ISO-9660) contains image file, expanded explanation in pdf, and ESRI shapefiles, scale 1:500,000.

NGMDB product
Counties Gloucester - Isle of Wight - King and Queen - Chesapeake - Hampton - Newport News - Poquoson - Virginia Beach