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JOACHIM DOLOMITE, DUTCHTOWN FORMATION

JOACHIM DOLOMITE, DUTCHTOWN FORMATION
StateMissouri
NameJOACHIM DOLOMITE, DUTCHTOWN FORMATION
Geologic agePhanerozoic | Paleozoic | Ordovician-Middle [Mohawkian]
Original map labelOjd
CommentsIN SOUTHEAST MO-Juachim Dolomite- (175 ft. max) dolomite with interbedded limestone and shale; Dutchtown FM- (170 ft. max) black dense limestone with minor sandstone siltstone and shale. IN NORTHEAST MO-Juachim Dolomite only
Primary rock typedolostone (dolomite)
Secondary rock typelimestone
Other rock typesshale; sandstone; siltstone
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale (Bed)
Sedimentary > Carbonate > Limestone (Bed)
Sedimentary > Carbonate > Dolostone (Bed)
Minor
Sedimentary > Clastic > Siltstone (Bed)
Sedimentary > Clastic > Sandstone (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.
Geographic coverageCape Girardeau - Franklin - Jefferson - Lincoln - Perry - Pike - Sainte Genevieve - Saint Louis - Scott

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