Mesaba Deposit Drill Core (microscope image)
By Mineral Resources Program
2016 (approx.)
![core mineral photomicrograph](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/B1-95%201227.5_2x_xpl_ol_1.png?itok=NZ3gs2My)
Detailed Description
Cross-polarized light photomicrograph of minerals in drill core samples from the Mesaba copper-nickel deposit, Duluth Complex, Minnesota. The number in the upper right hand corner is the drill core number.
Sources/Usage
Public Domain.