Tectonic Unit: JKP Name: Parsons Description: shale, siltstone, sandstone derived mainly from south and southeast, deposited on broad northeast-trending continental shelf; fluvial and deltaic sandstone in Mackenzie Delta; marine and nonmarine Formation: Foreland Belt Ancestral North America lk Rat River, Mt. Goodenough, Kamik, McGuire, Martin Creek, Langton Bay JK Kingak (upper part) uJlK Husky, North Branch uJ Porcupine Age Range: Upper Jurassic - Lower Cretaceous Maximum Age: 157.1 Ma Minimum Age: 97.0 Ma