Paleomagnetic sampling at Ash Creek Butte, CA

Two geologists stand on a rocky slope and use a modified chainsaw engine to drill rock cores

Detailed Description

USGS scientists use a portable core drill to take paleomagnetic samples at a small volcano in northern California.

Details

Image Dimensions: 532 x 701

Date Taken:

Location Taken: US

Credits

USGS photo by Tony Pivarunas