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Mineral Resources On-Line Spatial Data


Geologic agePhanerozoic | Paleozoic | Ordovician
Original map labelOu
CommentsUndifferentiated Ordovician Rocks-Predominantly dolomite and limestones and some important sandstone and shale units. Ordovician age rocks are exposed over approximately one-third of the state. The Canadian, Champlainian, and Cincinnatian Series all represented. The Canadian, Champlainian Series being the most extensive.
Primary rock typedolostone (dolomite)
Secondary rock typelimestone
Other rock typessandstone; shale
Lithologic constituents
Sedimentary > Carbonate > Dolostone (Bed)
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Sedimentary > Clastic > Mudstone > Shale (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.
CountiesBollinger - Franklin - Montgomery - Saint Charles - Saline - Warren

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