Mars hollow rocks

"Carlos Santillan" wrote in message
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(Paul) wrote in message
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Hey Mad.

Are you talking about the "post-hole" stone with the rectangular hole,

No, I am talking about the Mars pictures.


If it looks like a geode it must be a geode.

Go to link. It is the two on the bottom right.
http://marsrovers.jpl.nasa.gov/galle...nity_n014.html

Mars Exploration Rover Mission: Multimedia: All Raw Images:
Opportunity: Navig


Mad Scientist

Those images aren't high enough resolution to make such a determination.
Most likely what you are seeing is simply weathering in a soft area of the
rock outcrop.