Kinderhook Series (IAMk;0)

Gilmore City Limestone- light gray fossiliferous limestone, commonly oolitic. Approx thickness 155 ft. Hampton Formation- limestone and dolomite; fossiliferous gray chert in lower portion. Approx. thickness 150 ft. Starrs Cave Formation- bio-fragmental limestone; oolitic in part. Approx thickness 15 ft. Prospect Hill Formation- greenish-gray siltstone. Approx thickness 90 ft. McCraney Limestone- very pale orange to pale yellowish-brown sublithographic limestone and brown dolomite. Approx thickness 65 ft.

State	Iowa
Name	Kinderhook Series
Geologic age	Phanerozoic \| Paleozoic \| Carboniferous Mississippian-Early
Original map label	Mk
Comments	Approx total thickness 485 ft
Primary rock type	limestone
Secondary rock type	dolostone (dolomite)
Other rock types	siltstone; chert
Lithologic constituents	Major Sedimentary > Carbonate > Dolostone (Bed) Sedimentary > Carbonate > Limestone (Bed) Minor Sedimentary > Clastic > Siltstone (Bed)
Map references	Hershey H. G. 1969, Geologic Map of Iowa: Iowa Geological Survey, scale 1:500K
Unit references	Hershey H. G. 1969, Geologic Map of Iowa: Iowa Geological Survey, scale 1:500K
Geographic coverage	Buena Vista - Butler - Cerro Gordo - Des Moines - Franklin - Grundy - Hamilton - Hancock - Hardin - Henry - Humboldt - Iowa - Jasper - Johnson - Keokuk - Kossuth - Lee - Louisa - Marshall - Pocahontas - Poweshiek - Story - Tama - Washington - Webster - Wright