ðɪs fɔːɹmˈeɪʃən ɪz fɹʌmðɪ ˈɜːli kɹɛtˈeɪʃəs, ænd ɪz kəmpˈoʊzd ʌv nˈuːmɚɹəs lˈɛnzᵻz ʌv ˈɔɪlbˈɛɹɪŋ sˈænd wɪð ˌʌp tə twˈɛnti pɚsˈɛnt ˈɔɪl.
This formation is from the early Cretaceous, and is composed of numerous lenses of oil-bearing sand with up to 20% oil.