[Rockhounds] Ancient beaches testify to long-ago ocean on Mars

[Paul]

Ancient beaches testify to long-ago ocean on Mars
Chinese rover finds underground evidence of beach 
sediments likely deposited 4 billion years ago
By Robert Sanders, UC Berkley, February 24, 2025
https://news.berkeley.edu/2025/02/24/ancient-beaches-testify-to-long-ago-ocean-on-mars/

The open access paper is:

Ancient ocean coastal deposits imaged on Mars
Jianhui Li, Hai Liu, Xu Meng, and Guangyou Fang
Contributed by Michael Manga; received 
October 26, 2024; accepted January 14, 2025; 
reviewed by Alexander Hayes and David Paige
https://www.pnas.org/doi/10.1073/pnas.2422213122

Yours,

Paul H.