They moved down the mountainside at hurricane speeds and left deposits of 540 degrees C. One would expect each deposit to be homogenized & thoroughly mixed. Remarkably these high-velocity slurries of red-hot ash and pumice separated into coarse and fine particles of perfectly defined layers.
Mwanajiolojia Steven Austin alielezea hii mitiririko kama iliyo ambatana na ardhi yenye hewa maji,msukosuko wa vifusi vya volkeno,vilienda kasi ya kimbunga chini ya mlima na kuwacha masalio ya kipimo cha joto 540 C. Kila salio lingetarajiwa kuchanganywa kikamilifu.Aghalabu hili jivu moto la samadi maji maji na mawe mepesi yaliyotenganishwa kwa safu laini na nyororo.