Figures and Plates
Figure 1 Map of the Illinois Basin, showing the extent of Pennsylvanian rocks, thickness of the Springfield Coal, and channels interrupting the coal. From Finley et al. (2005).
Figure 2 Correlation chart showing position of key units within the Pennsylvanian Subsystem. Global and provincial stage boundaries and ages in millions of years (Ma) are from Gradstein et al. (2012)
Figure 3 Satellite image of the mouth of the Mississippi River, showing natural levees and crevasse splays. Source of image: Google Earth.
Plate 1 Map of the southeastern part of the Illinois Basin showing the thickness of the Springfield Coal, channels that affect the coal, and major structural features
W. John Nelson, Scott D. Elrick, William A. DiMichele, and Philip R. Ames xxxx, Evolution of a Peat-Contemporaneous Channel: The Galatia Channel, Middle Pennsylvanian, of the Illinois Basin FINISH CITATION