bˈɪɡ bˈoʊn kˈeɪv fˈɔːɹmd ɪn mˌɪsɪsˈɪpiən mˈɔntɪdʒˌiːl lˈaɪmstoʊn ɚɹˈɪdʒɪnəli ɔnðə wˈɛstɚn ɪskˈɑːɹpmənt ʌvðə kˈʌmbɚlənd plætˈoʊ.
Big Bone Cave formed in Mississippian Montegeale limestone originally on the western escarpment of the Cumberland Plateau.