File:C605-Figure-13.jpg

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Figure 13 Photographs showing the ragged, erosive contact between light-colored siltstone of the Dykersburg Member and the underlying coaly shale of the Galatia Member, in the channel crossing at Galatia Mine, Saline County. (a) View of the east wall of the entry. Coaly shale of the Galatia Member grades laterally northward (left, out of view) to shaly Springfield Coal. The pick is approximately 2 ft (60 cm) long. (b) Close-up view on the west wall of the entry. The heart of the Galatia channel is south (left) of view. Notice how erosion undercut the clay below layers of tough, fibrous peat.






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