of outward dipping strata of the Sinjar and Aliji formations (Paleocene to Early Eocene); Jaddala Formation (Middle to Late Eocene); Serikagne Formation (Early Miocene); and Jeribe Formation (Early Miocene). The Sinjar Mountains are surrounded by exposures of Middle and Late Miocene sedimentary strata

The mountain is a groundwater recharge area and should have good quality water, although away from the mountain groundwater quality is poor.