Colorado River Raft Tour - volcanic sill exposed along the north bank

This is a photo of a large Precambrian-age volcanic sill exposed along the north bank of the river.

Detailed Description

~ Mile 133.5: View downstream of a large Precambrian-age (Middle Proterozoic) volcanic sill (Cardenas Lava) exposed along the north bank of the river.

Details

Image Dimensions: 1200 x 900

Date Taken:

Location Taken: US