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State Quarry Limestone

Fossiliferous limestone; may be time equivalent of at least the upper part of the Shell Rock Formation; in northern Johnson County only. Approx thickness ?ft
State Iowa
Name State Quarry Limestone
Geologic age Phanerozoic | Paleozoic | Devonian-Late
Primary rock type limestone
Secondary rock type
Other rock types
Lithologic constituents
Major
Sedimentary > Carbonate > Limestone (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
Counties Johnson