Younger... || Start || Older...
Original Version || Changes Highlighted || Final Version
Original Version || Changes Highlighted || Final Version
Younger... || Start || Older...
Original Permian stratigraphy discussed in O'Connor, H.G., Zeller, D.E., Bayne, C.K., Jewett, J.M., and Swineford, Ada, 1968, Permian System, in, Zeller, D.E., (ed.); The stratigraphic succession in Kansas: Kansas Geological Survey, Bulletin, no. 189, pp. 43-53 http://www.kgs.ku.edu/Publications/Bulletins/189/08_perm.html
Change to base of Permian and 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