Monday, March 27, 2023

19 Ord Cason SH Midwest Lime

 

  • Photo

  • Lidar Scan

  • ERA: Paleozoic
  • Period and Epoch: Late Ordovician (and Early/Middle Silurian)
  • Formation: Cason
  • Age: 458-430 million years ago
  • Lithology: Shale
  • Original location: 35.808810,-91.626766
  • Donor organization: Midwest Lime Company
  • Donor contact: Eric Low / Barry Farrell
  • Financial support: 
    • Mac and Karen McGilvery
  • MacNote: Unconformity at base of Cason Shale on the underlying Fernvale Limestone. Blocks of Fernvale Limestone developed on the unconformity surface incorporated into basal Cason Shale “matrix”.
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