Could the Columbia Hills in Gusev, Mars be frost mounds?
The discovery of sulfates near surface in Gusev in amounts that got
higher as you approach the hills might support the idea the hills are
frost mounds:
From: Robert Clark (rgregoryclark@yahoo.com)
Subject: Spirit rover may yet make a key discovery.
Newsgroups: sci.astro, alt.sci.planetary, sci.geo.geology,
sci.geo.mineralogy
Date: 2004-04-18 02:22:29 PST
http://groups.google.com/groups?selm=832ea96d.0404180122.63dddc88%40posting.google.com
Bob Clark