

Yury Smirnov of the Kola incorporated deep drilling geological survey expedition, Volgokamsgeologia company, is seen here with samples of deep earth material from the Kola superdeep borehole. 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: Labour, Science & Technology
- Location: Russia
- Event date: 08.04.1984
- Date published: 10.09.2019
- Author: Alexey Varfolomeev
- Credit: Sputnik
- Original: DP84-2617, 35 mm film
- Media: JPEG, 5232x3543px, 8Mb