This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
. en Mutual relations of the diagramme of allocation of relative concentration of isotopes of lead and the diagramme rendering mutual relations concordite and isohrone ru own User User Geological diagrams in Russian
Page 2023 Free-images.com. All images are Public Domain