largely chert gravel
State Kansas
Name Alluvium
Geologic age Tertiary
Lithologic constituents
Unconsolidated > Coarse-detrital > Gravel (Alluvial)
Comments some gravel of Pleistocene age included, approximate thickness 0-15 ft. in outcrop

Ross, Jorgina A., 1991, Geologic Map of Kansas: Kansas Geological Survey, Univ. of Kansas, Map M-23, scale 1:500,000.

Zeller, D.E., ed., 1968, The Stratigraphic Succession in Kansas, State Geological Survey of Kansas Bull. 189.

NGMDB product
Counties Allen - Anderson - Coffey - Greenwood - Labette - Leavenworth - Lyon - Neosho - Osage - Wilson - Woodson