Younger... || Start || Older...

Original Version || Changes Highlighted || Final Version


edited version of Paleozoic chart, Pleasanton Group


Original Version || Changes Highlighted || Final Version

Younger... || Start || Older...

Original Pennsylvanian stratigraphy discussed in Jewett, J.M.; O'Connor, H.G.; and Zeller, D.E., 1968, Pennsylvanian System, in, Zeller, D.E., (ed.); The stratigraphic succession in Kansas: Kansas Geological Survey, Bulletin, no. 189, pp. 21-43 http://www.kgs.ku.edu/Publications/Bulletins/189/07_penn.html

Change of name from Pennsylvanian to Carboniferous based on
Sawin, R.S., West, R.R., Franseen, E.K., Watney, W.L., and McCauley, J.R., 2006, Carboniferous-Permian Boundary in Kansas, Midcontinent, U.S.A.; in, Current Research in Earth Sciences: Kansas Geological Survey, Bulletin 252, part 2. http://www.kgs.ku.edu/Current/2006/sawin/index.html

Change of System name to Carboniferous and movement of Pennsylvanian to Subsystem based on
Sawin, R.S., Franseen, E.K., Watney, W.L., West, R.R., and Ludvigson, G.A., 2009, New Stratigraphic Rank for the Carboniferous, Mississippian, and Pennsylvanian in Kansas; in, Current Research in Earth Sciences: Kansas Geological Survey, Bulletin 256, part 1.
http://www.kgs.ku.edu/Current/2009/Sawin/index.html