Magnetite Vein Contact with Host Rock
By Geology, Geophysics, and Geochemistry Science Center
2016 (approx.)
![scientist pointing at vein contact](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Greg_contact.jpg?itok=SA86AUbz)
Detailed Description
USGS geologist Greg Walsh points to a contact between a magnetite vein and host rock.
Sources/Usage
Public Domain.