Connecting the environment of the ancient past with the natural and cultural history of yesterday and today.




(Fossils that really aren't!)

Scale, Skin and Turtle-like Patterns

  Scale-patterned rocks are often associated with the weathering of nodules, but they can also be related to ancient mud cracks when wet sediment is exposed to the drying sun. Scales, be it reptilian or fish, are relatively rare as fossils.

Turtle-like Scale Patterns

     Limestone with mud cracks, Harrison County, Indiana   Limestone with mud cracks, Woodford County, Kentucky

Limestone with mud cracks

                         Harrison County, Indiana                                             Woodford County, Kentucky

Calcareous nodule, Oldham County, Kentucky    Calcareous nodule, Oldham County, Kentucky

Calcareous Nodules - Oldham County, Kentucky

Ironstone nodule, Jefferson County, Kentucky       Limestone with cracks, Meade County, Kentucky

            Ironstone Nodule - Jefferson County, Kentucky              Limestone with cracks - Meade County, Kentucky

Skin-like Patterns

Geodes in chert, Marion County, Kentucky      Geodes in chert, Marion County, Kentucky

Bumpy skin? No, these are clusters of geodes in chert - Marion County, Kentucky

Rusted spots in limestone, Harrison County, Indiana    Rusted spots in limestone, Harrison County, Indiana

Rusted pyrite spots in limestone - Harrison County, Indiana

Sandstone casts of with sole-marks from sediment load, Arkansas        Fractured Chert, Montgomery Co., Arkansas

        Sandstone casts of with sole-marks (sediment load)           Fractured Chert - Montgomery Co., Arkansas


“Not-Quite Ready for Primetime Fossils”

Bone-Like                Egg-Like                Wood-Like               

Faces & Oddities              Fossils that are not what they appear

Pseudofossil Main Page

Created February 22, 2010, Updated October 15, 2010