Mars Covered with Lava Perhaps Millions of Years Later Than Previously Thought

The findings of some geochemists have found that Mars' thick atmosphere was responsible for keeping the Red Planet covered in molten lava much longer than had originally been theorized. The results of the study were found by the examination of some Martian meteorites. The meteorites formed at different times, which initiated much of the new thinking on the subject of Martian geology.

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http://www.foxnews.com/story/0,2933,313443,00.html