Geology of Colorado (Boulder Valley) - Field Trip #1, Stop #5: Lykins, Canyon Spring, Morrison, Dakota Formations

Prev | Index For This Date | Next
Upper Lykins formation: Straight (or oscillatory) crested sand ripples on ancient surface. (caused by back and forth motion of the water)
Prev | Index For This Date | Next

Upper Lykins formation: Straight (or oscillatory) crested sand ripples on ancient surface. (caused by back and forth motion of the water)