and alluvial fans. The water didn’t last long—just the first 1.5 billion years of the planet’s 4.5 billion year lifetime. Relatively early in its history, Mars lost its magnetic field ...

Upon completion of this unit students should be able to: Describe longitudinal and lateral profiles (shapes) of an alluvial fan. Discuss the difference between a debris flow and a stream-dominated ...

and alluvial fans. The water didn’t last long—just the first 1.5 billion years of the planet’s 4.5 billion year lifetime. Relatively early in its history, Mars lost its magnetic field ...