Coarse gravel deposits of the Miocene North Park Formation
![Coarse gravel deposits of the Miocene North Park Formation](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/SRMP-Task6_NorthParkFmGravels.jpg?itok=pBsxkHL3)
Detailed Description
Geologist Ralph Shroba examines coarse gravel deposits of the Miocene North Park Formation that contain distinctive clasts of rhyolite derived from the late Oligocene Braddock Peak and/or Rabbit Ears volcanic centers.