[Rockhounds] Once in a Blue Dune

[Paul]

Once in a Blue Dune, NASA, June 20, 2018

https://www.nasa.gov/image-feature/jpl/once-in-a-blue-dune

A large streak of 'blue' was found on the Red Planet

By Ayana Archie and Ralph Ellis, CNN

Updated 8:59 AM ET, Wed June 27, 2018

https://www.cnn.com/2018/06/26/us/blue-sand-dune-on-mars-trnd/index.html

Story Behind Blue Sand Dune on Mars

Inverse, June 25, 2018

https://www.inverse.com/article/46381-mars-blue-sand-dune-nasa

Yours,

Paul H.