Does the Measured Abundance Suggest a Biological Origin for the Ancient Alkanes Preserved in a Martian Mudstone?

Does the Measured Abundance Suggest a Biological Origin for the Ancient Alkanes Preserved in a Martian Mudstone?

Alexander A. Pavlov, Caroline Freissinet, Daniel P. Glavin,
Christopher H. House, Jennifer C. Stern, Amy C. McAdam, Anais Roussel,
Jason P. Dworkin, Luoth Chou, Andrew Steele, Paul R. Mahaffy,
Denise Buckner, Felipe Gomez

Astrobiology, vol 26, no. 2, February, 2026