Habitable Martian Environments Could Be Deep Beneath Planet's Surface
Tucson AZ (SPX) Oct 12, 2010 ![][1] A new discovery of hydrothermally altered carbonate-bearing rocks on Mars points toward habitable environments deep in the Martian crust, a Planetary Science Institute researcher said. A deposit of carbonate rocks that once existed 6 km (about 4 miles) below the surface of Mars was uplifted and exposed by an ancient meteor impact, said Joseph Michalski, research scientist with PSI. The car
[1]: http://www.space-travel.com/images/mars-fossil-carbonates-bg.jpg
