Confluence of the Deschutes and Columbia rivers

Photograph of scientists standing on rocks above a steep canyon

Detailed Description

An enigmatic outcrop of 5 million year old basalt sits 300 meters above the Deschutes and Columbia rivers. USGS scientists are carefully studying this basalt flow to determine if it came all the way from central Oregon, 160 kilometers away.


Image Dimensions: 3264 x 1836

Date Taken:

Location Taken: US


Anthony Pivarunas, USGS