ðə kˈeɪv fˈɔːɹmd pɹˈaɪɚ tə fˈaɪv.sˈɛvən plˈʌs ɔːɹ mˈaɪnəs wˈʌn.zˈiəɹoʊ nˈaɪn mˈɑː bˈeɪst ɪn kˌɑːzmoʊdʒˈɛnɪk ɹˌeɪdɪoʊnˈuːklaɪd dˈeɪɾɪŋ ʌv pˈɛbəlz wˈɑːʃt ˌɪntʊ ðə mˈʌstɚ ɡɹˈaʊnd ɹˈuːm.
The cave formed prior to 5.7 ±1.09 Ma based in cosmogenic radionuclide dating of pebbles washed into the Muster Ground room.