A rock analyzed by NASA's Mars rover Curiosity has a surprising and more varied composition that resembles rare rocks from the bowels of our planet, the US space agency said.
This image released by NASA on October 4, shows patch of windblown sand and dust downhill from a cluster of dark rocks called the 'Rocknest' site, which has been selected as the likely location for first use of the scoop on the arm of NASA's Mars rover Curiosity.
"This rock is a close match in chemical composition to an unusual but well-known type of igneous rock found in many volcanic provinces on Earth," Curiosity co-investigator Edward Stolper of the California Institute of Technology in Pasadena said in a statement, released on Thursday.
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