Hardin Syncline
From ILSTRUC
Location
Near the common corner of Calhoun, Greene, and Jersey Counties (G-2)
References
Rubey 1952, Collinson et al. 1954, Collinson 1957, Treworgy 1979a
Description
Rubey (1952) mapped the Hardin Syncline as a sharp depression, the axis of which trends southeast. Rubey measured dips of 5° to 12° on the flanks, and his contour map of the Chouteau Limestone (lower Mississippian) indicates several hundred feet of closure. The Hardin Syncline is about 10 miles (16 km) north of the Cap Au Grès Faulted Flexure and is subparallel to the Gilead and Nutwood Anticlines.
Author's note: The Hardin Syncline is mislabeled the "Hardin Anticline" on plate 1.
Figure(s)
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