

A sample of deep earth materials from the Kola superdeep borehole is studied under the microscope. The experimental Kola Superdeep Borehole (SG-3), the deepest borehole in the world drilled exclusively for the study of the lithosphere. A tool used for drilling the borehole.
- Categories: Science & Technology
- Location: Russia
- Event date: 08.04.1984
- Date published: 10.09.2019
- Author: Alexey Varfolomeev
- Credit: Sputnik
- Original: DP84-2620, 35 mm film
- Media: JPEG, 5342x3543px, 6.9Mb