Type section near town of Shakopee, Scott Co, MN on the Sioux uplift, remeasured and redescribed. Winchell (1872) measured about 22 ft of Shakopee at Shakopee. This author assigned (section supplemented with information from a log at the Shakopee Water Works) 38 ft of gray to brown, thin-bedded to massive dolomite above the New Richmond? sandstone to Shakopee. Is overlain by the St. Peter sandstone; the contact is probably an unconformity. Thickness is variable. Is nearly 200 ft thick at some localities in IA. Fossils (mollusks) listed. Of Late Cambrian, St. Croixan age.
Source: GNU records (USGS DDS-6; Denver GNULEX).
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