Sunday, October 18, 2009

More Cool Dirt

Looking like snow, the salt crust covering this soil formed when salt-laden groundwater rose by capillarity and evaporated from the soil surface, leaving the dissolved salt behind.
http://wps.prenhall.com/chet_brady_natureandp_13/229/58750.cw/index.html




2 comments:

Liv said...

You're right! Cool dirt!

Sus Mettler said...

We don't get dirt like that out here. Or if we do, it is always covered by so many layers of leaves that you don't see it!