Posted by tourdemars to Planetology at May 31, 2005 10:33 PM

A study co-authored by a University of Hawai'i professor has concluded that an area of Mars has much larger than believed deposits of the mineral olivine, offering clues about water — or the lack of water — on the Red Planet. While Mars today is a dry and cold world, river channels and other water-carved features suggest it may have had a more hospitable past.