Showing posts with label Angular unconformity. Show all posts
Showing posts with label Angular unconformity. Show all posts

Monday, June 22, 2015

Angular Unconformity, North Shore Drive, Lake Mead National Recreation Area, Nevada

Angular unconformity and Lava Butte 
Angular unconformity and Lava Butte by C Shroba

Angular unconformity between dipping Miocene basin-fill strata and Pleistocene alluvium. In the background, 13-million-year-old dacite intrusion known locally as Lava Butte.

Sunday, June 21, 2015