Nilokeras Scopulus

297° to 309° E.[1] The escarpment curves northward at the eastern edge of Tempe Terra where the northern segment of Kasei Valles debouches into Chryse and southwestern Acidalia Planitiae.

In geomorphology, an escarpment (usually shortened to scarp) is any steep, abrupt slope or cliff along the margin of a plateau, terrace, or other topographic bench.

After initial flooding, the northern Kasei valley was covered by extensive late Hesperian-aged basaltic lava flows from Tharsis.

Two final episode of flooding from the Echus Chasma region to the south occurred in Kasei Valles during Amazonian times (<1.8 Gya).

Layered bedrock is visible at the top of the escarpment in some medium and high resolution spacecraft images, but the scarp face is largely covered by talus aprons and dust.

False color oblique view of Nilokeras Scopulus looking north. The cratered plateau at top is Tempe Terra . The dark greenish, smooth area at bottom is floodplain of Kasei Valles . The light blue area at bottom left is a portion of the (younger) central channel of N. Kasei Vallis. Image is Mars Orbital Laser Altimeter (MOLA) colorized elevation overlying Thermal Emission Imaging System (THEMIS) Infrared (IR) daytime mosaic from Mars Odyssey spacecraft. Yellow and light green represent high elevations; dark green and blue are lower elevations. Image is approximately 175 km across. Vertical exaggeration is 3X.
Nilokeras Scopulus based on THEMIS day-time image