1.6-billion-year-old steroids may be traces of earliest complex life

[Oxytropidoceras]

1.6-billion-year-old steroids may be traces of earliest complex life.

Primitive steroids found in ancient Australian rocks may have been 

made by the earliest complex cells before they evolved into animals, 

plants, fungi and algae By Alice Klein, New Scientist, June 7, 2023

 

The paywalled paper is::

 

Brocks, J.J., Nettersheim, B.J., Adam, P. et al., 2003. Lost world of

complex life and the late rise of the eukaryotic crown. Nature

 

Barney Creek Formation:

 

Kunzmann, M., and Blaikie, T.N., 2019. The ca 1640 Ma Barney Creek

Formation in the McArthur Basin: Targeting diagenetic mineralisation

and depocentre shift. In: Annual Geoscience Exploration Seminar

(AGES) 2019 Proceedings. Northern Territory Geological Survey, 7680.

 

Yours,

Paul H.

Edited June 9, 2023 by Oxytropidoceras
added papers