Oxytropidoceras Posted October 26, 2021 Share Posted October 26, 2021 (edited) 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. Edited October 26, 2021 by Oxytropidoceras typo 1 1 Link to post Share on other sites
doushantuo Posted October 27, 2021 Share Posted October 27, 2021 (edited) 1-s2.0-S0169136821004431-main.pdf citation: see above about 27MB edit: i found this interesting for its phase petrology,students of early life will (JUST*)find a useful bibliography for greenland's Precambrian petrology edited(*) edit two: I'm with the author's thoughts on distal decarbonation processes Edited October 27, 2021 by doushantuo Link to post Share on other sites
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