Structural Geology – Active Tectonics

The Wallowa MountainsThe Wallowa Mountains rise along a fault zone just south of the town of Joseph.

Glacial valleys & frontal fault zoneGlacial valleys and frontal fault

Fault-bounded east front of Steens Mountain and Alvord Desert.Fault-bounded east front of Steens Mountain and Alvord Desert.

Fault-block Mountain and Desert SpringAbrupt fault-bounded east side of Steens Mountain, SE Oregon and water from spring.