The oldest faults strike northwest and coincide with the initiation of the Kenyan rift system while the youngest are the North striking and are thought to have formed during a distinct period of dyking that took place along the Ol Njorowa Gorge.
Elstu misgengin stefna norðvestur og tengjast upphafi gliðnunar á sigdældinni (Kenyan Rift) en yngstu brotin hafa norðlæga stefnu og eru talin tengjast innskota og gangna virkni við Ol Njorowa gilið.