ɪɾ əkˈɜːz ɪnðə twˈɪɾɪə fɔːɹmˈeɪʃən ɪnðə məkˈɛnzi mˈaʊntɪnz ɪn kˈænədə dˈeɪɾᵻd æt sˈɪkshˈʌndɹɪd tˈɛn mˈɪliən jˈɪɹz ɐɡˈoʊ, nˌɪɹ ðɪ ˈɛnd ʌvðə mɚɹˈɪnoʊn ɡlˌeɪsɪˈeɪʃən, ænd ɪn ɹˈɑːks ɪn kˌæzɐkhstˈɑːn.
It occurs in the Twitya Formation in the Mackenzie Mountains in Canada dated at 610 million years ago, near the end of the Marinoan glaciation, and in  rocks in Kazakhstan.