Evidence of a Limited Biosphere 1.4 Billion Years Ago

[Oxytropidoceras]

Evidence of a Limited Biosphere 1.4 Billion Years Ago

Louisiana State University and McGill University

https://www.mcgill.ca/newsroom/channels/news/billion-year-old-lake-deposit-yields-clues-earths-ancient-biosphere-288081

https://www.lsu.edu/mediacenter/news/2018/07/23gg_hayles_bao_nature.php

 

The paper is:

 

Crockford, P.W., Hayles, J.A., Bao, H., Planavsky, N.J., 

Bekker, A., Fralick, P.W., Halverson, G.P., Bui, T.H., 

Peng, Y. and Wing, B.A., 2018. Triple oxygen isotope 

evidence for limited mid-Proterozoic primary productivity. 

Nature, Letter | Published: 18 July 2018

https://www.nature.com/articles/s41586-018-0349-y

 

Yours,

 

Paul H.

[Trevor]

Thank you for posting this.