Close analysis of the timing of 13C 'spikes' in deposits across the globe allows the recognition of four, possibly five, glacial events in the late Neoproterozoic.
Analisis cermat mengenai waktu lonjakan 13C pada deposit di seluruh dunia menunjukkan adanya empat, mungkin lima, peristiwa glasial pada akhir zaman Neoproterozoic.