East African Rift Valley a Geologic Maze

by | Apr 2, 2012

Click on image to enlarge.

The most striking features in this view are the numerous, nearly parallel, linear fault lines that occupy the floor of the valley. Shadows cast by the late afternoon sun make the fault scarps more prominent. These steps in the landscape are caused by slip motion along individual faults and are aligned with the north-south axis of the valley (lower left to top right). A secondary trend of less linear faults cuts the main fault at an acute angle, with the fault steps throwing large shadows.

Read the full story.


May Issue 2024