109BLOCK

SOL 109 CONTINUED
BLOCKS OF STONE OR CEMENT?
 

http://mars.jpl.nasa.gov/msl/multimedia/raw/?rawid=0109MR0685027000E1_DXXX&s=109

This image was taken by Mastcam: Right (MAST_RIGHT) on board NASA's Mars rover Curiosity on Sol 109 (2012-11-26 06:06:40 UTC).

BLOCKS WITH 90 DEGREE SQUARED CORNERS AND
SYMMETRICAL SHAPES MAY BE THE REMAINS OF STRUCTURES
SURVIVING THE GROUND UPHEAVALS DURING VIOLENT EARTH QUAKING 
MOVEMENTS FROM A MAJOR DELUGE EVENT 

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