It is topographically high at 7,000 ft. elevation, but its stratigraphic position remains unclear.
Outcrops expose variegated red and gray mudstones with interbedded yellow limestone lenses.
Butoro - The site, at an elevation of 6,200 feet, is not far from the Mugher Limestone Quarry and appears to be in the Mugher Mudstone, but likely stratigraphically higher than the Aleltu locality. Abundant fish, turtle, and crocodilian remains were found in these local badlands of predominantly sandy, red mudstone. 6 - Overlooking the Blue Nile Gorge. At left, the rim of the Blue Nile Gorge is a mile above the Abay or Blue Nile River. As much as possible, the slopes off the rim are cultivated and small villages dot the landscape.