To: amorphous
Couldn't resist. Slow plate movement might also be responsible for the Marineris canyon, so one theory goes. This will give weight to that.
To: Telepathic Intruder
14 posted on
04/23/2019 10:21:30 PM PDT by
gundog
( Hail to the Chief, bitches!)
To: Telepathic Intruder
Mars does have the largest volcano in the solar system. Must still be some magma below the surface and lingering tectonic activity?
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson