Samples are numbered in the order in which they were collected. Units under consideration for future sampling include Boone (lower & Upper to illustrate chert habits), Morrowan limestone (Prairie Grove or Kessler), Upper Atoka (optional). Strat columns are from AR Geological Survey. Credit: Mac Mcgilvery
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03 Paleo Midway LS AGS
Photo Lidar Scan ERA: Cenozoic Period: Tertiary Epoch: Paleocene ( wiki , alpha ) Age: 66-56 million years ago Formation: Midway Group Litho...

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Photo Lidar Scan ERA: Paleozoic Period: Mississippian ( wiki , alpha ) Epoch: Early Formation: Arkansas Novaculite Age: 358-346 million y...