Geosphere; February 2008; v. 4; no. 1;
p. 145-158; DOI: 10.1130/GES00107.1
© Geological Society of America
Click on image to view larger version.

Figure 6. Precambrian unconformity structure contour map with the addition of southeast oriented faults. GRTZ—Grand River tectonic zone; CMTZ—Central Missouri tectonic zone; OFZ—Osceola fault zone; BMTZ—Bolivar-Mansfield tectonic zone; WRFZ—White River fault zone. EM—Eastern Rift Margin faults, AF—Axial fault, WM—Western Rift Margin fault, RF—Reelfoot fault, NM—New Madrid. Elevation datum is sea level.
Copyright © 2008 by Geological Society of America