Some of the world’s oldest rubies linked to early life
Carbon residue that was once ancient life found encased
in a 2.5 billion-year-old ruby, University of Waterloo
Ancient Traces of Life Discovered Encased in a 2.5 Billion-Year-Old Ruby
SciTechDaily, October 24, 2021
2.5 billion-year-old traces of life locked inside primeval ruby
"The graphite inside this ruby is really unique."
By Yasemin Saplakoglu , October 24, 2021
The paper is:
Yakymchuk, C., van Hinsberg, V., Kirkland, C.L., Szilas, K.,
Kinney, C., Kendrick, J. and Hollis, J.A., 2021. Corundum
(ruby) growth during the final assembly of the Archean North
Atlantic Craton, southern West Greenland. Ore Geology
Reviews, no. 104417.
Yours,
Paul H.