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ST. PETER SANDSTONE, EVERTON FORMATION

ST. PETER SANDSTONE, EVERTON FORMATION
State Missouri
Name ST. PETER SANDSTONE, EVERTON FORMATION
Geologic age Phanerozoic | Paleozoic | Ordovician-Early Ordovician-Middle
Comments IN SOUTHEAST and NORTHEAST MO-St. Peter Sandstone- (100 ft. max) massive cross-bedded quartzose sandstone; Everton FM- (400 ft. max) dolomite with interbedded limestone and sandstone
Primary rock type dolostone (dolomite)
Secondary rock type sandstone
Other rock types limestone
Lithologic constituents
Major
Sedimentary > Carbonate > Dolostone (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Sedimentary > Carbonate > Limestone (Bed)
Map references
Middendorf, M. A., and others, 2003, Geologic Map of Missouri: Missouri Geological Survey. Scale 1:500K
Unit references
Howe, W. B. and Koenig, 1961, The Stratigraphic Succession in Missouri: Missouri Geological Survey and Water Resources, Vol XL. 2nd Series.
Counties Bollinger - Boone - Callaway - Cape Girardeau - Cole - Cooper - Franklin - Gasconade - Jefferson - Lincoln - Moniteau - Montgomery - Perry - Pike - Saint Charles - Sainte Genevieve - Saint Louis - Scott - Warren