KGS Cyclic Sedimentation Original published in D.F. Merriam, ed., 1964, Symposium on cyclic sedimentation: Kansas Geological Survey, Bulletin 169, pp. 541-563
Publications

Back to article...

Figure 10--Concretions from Protocardia-Oxytoma and Idonearca Assemblage Zones. A, Fragment with Protocardia. B, Fragment with Oxytoma. C, Part of a Idonearca concretion.

black and white photo of three concretions

Back to article...
Kansas Geological Survey
Comments to webadmin@kgs.ku.edu
Web version March 2003. Original publication date Dec. 1964.
URL=http://www.kgs.ku.edu/Publications/Bulletins/169/Waage/fig10.html