Tectonic Unit: PJ Name: Jungle Creek Description: conglomeratic limestone, limestone, calcareous sandstone, chert-pebble conglomerate, chert, calcareous shale, siliceous mudstone and siltstone; marine Formation: Foreland Belt Ancestral North America P Tahkandit, Jungle Cr. Age Range: Permian Maximum Age: 290.0 Ma Minimum Age: 245.0 Ma