Geology of Colorado (Boulder Valley) - Field Trip #1, Stop #3: Fountain & Lyons Formations

Prev | Index For This Date | Next

The Lyons formation is often has large wedge shaped bedding which is common in sand dunes.  Breaks in concoidal fractures because of quartz cemented by quartz.
Prev | Index For This Date | Next

The Lyons formation is often has large wedge shaped bedding which is common in sand dunes. Breaks in concoidal fractures because of quartz cemented by quartz.