[Rockhounds] "World's Oldest Fossils" (Stromatolites, Greenland) Might Actually Be Simple Rocks

[Paul]

"World's Oldest Fossils" Might Actually Be Simple Rocks,
And We're Here For The Drama, Carly Cassella Science Alert
https://www.sciencealert.com/doubt-raised-over-current-record-holder-oldest-fossil-sign-of-life

Geologists Question 'Evidence Of Ancient Life' In 3.7
Billion-Year-Old Rocks, NPR, Heard on All Things Considered
https://www.npr.org/2018/10/17/658103489/geologists-question-evidence-of-ancient-life-in-3-7-billion-year-old-rocks

The paper is:

Abigail C. Allwood, Minik T. Rosing, David T. Flannery, Joel
A. Hurowitz and Christopher M. Heirwegh, 2018, Reassessing
evidence of life in 3,700-million-year-old rocks of Greenland.
Nature, Letter | Published: 17 October 2018
https://www.nature.com/articles/s41586-018-0610-4

A related paper is;

Retallack, G.J. and Noffke, N., 2018. Are there ancient soils in the
3.7 Ga Isua Greenstone Belt, Greenland?. Palaeogeography,
Palaeoclimatology, Palaeoecology. Volume 514, Pages 18-30.
https://www.sciencedirect.com/science/article/pii/S0031018218305984

Yours,

Paul H.