Rio Tinto Borax Mine Pit
![Image shows an open mine pit](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Boron_mine_pit.jpg?itok=sIxQQF6t)
Detailed Description
The Rio Tinto Borax Mine pit in California, a significant source of the mineral form of boron. Image by Marcin Wichary - Flickr: [1], CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=23193363
Sources/Usage
Public Domain.