[meteorite-list] Digitate Opaline Silica Structures (Biosignatures ?) Found on Mars

[Paul]

Scientists Think They Finally Found Evidence of
Ancient Life on Mars. by Sage Lazzaro, Observer
http://observer.com/2016/11/scientists-think-they-finally-found-evidence-of-ancient-life-on-mars/

The paper is:

Ruff, S. W., and J. D. Farmer, 2016, Silica deposits on
Mars with features resembling hot spring biosignatures
at El Tatio in Chile. Nature Communications 7, Article
number: 13554 (2016) doi:10.1038/ncomms13554
Received: 14 April 2016, Accepted: 13 October 2016
Published online: 17 November 2016
http://www.nature.com/articles/ncomms13554

Yours,

Paul H.