Paleomagnetic sampling at Ash Creek Butte, CA
![Two geologists stand on a rocky slope and use a modified chainsaw engine to drill rock cores](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/sampling_ash_creek_butte.png?itok=OSmmo4n-)
Detailed Description
USGS scientists use a portable core drill to take paleomagnetic samples at a small volcano in northern California.
Sources/Usage
Public Domain.
USGS scientists use a portable core drill to take paleomagnetic samples at a small volcano in northern California.
Public Domain.