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Mineral Resources On-Line Spatial Data

Cotter and Jefferson City Dolomites

Cotter and Jefferson City Dolomites
NameCotter and Jefferson City Dolomites
Geologic agePhanerozoic | Paleozoic | Ordovician-Early
Original map labelOcjc
CommentsCotter Dolomite-oolitic dolomite with thin beds of sandstone and shale (500 ft.), Jefferson City Dolomite-dolomite with some chert (400 ft.). Approximately 900 ft. maximum thickness.
Primary rock typedolostone (dolomite)
Secondary rock typechert
Other rock typessandstone; shale
Lithologic constituents
Sedimentary > Carbonate > Dolostone (Bed)
Sedimentary > Chemical > Chert (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Sedimentary > Clastic > Mudstone > Shale (Bed)
Map references
Haley, B. R., Glick, E. E., Bush, W. V.; Clardy, B. F.; Stone, C. G.; Woodward, M. B., Zachry, D.L., 1993, Geologic Map of Arkansas: U.S.Geological Survey Special Geologic Map. Scale 1:500K
Unit references
Caplan, W. M., 1960, Subsurface geology of pre-Everton rocks in northern Arkansas: Information Circular - State of Arkansas, Arkansas Geological and Conservation Commission, 17 pp.
CountiesBaxter - Benton - Boone - Carroll - Fulton - Lawrence - Madison - Marion - Randolph - Sharp

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