Ellie Zolfagharifard
The Daily Mail
July 26, 2013

Scientists have discovered that Martian meteorites found on Earth could be four billion years younger than previously thought, meaning that Mars could still be geologically active.

A team of researchers has shown that a meteorite from the Mars collection at the Royal Ontario Museum in Canada started as a 200 million-year-old lava flow on Mars.

In a paper published today in the journal Nature, a new technique using isotopic and micro-structural analysis is described to determine the age of rocks.

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