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Antarctic ice shows traces of Martian mineral – MINING.com

Jarosite is abundant on Mars’ surface but not so much on Earth.

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The yellow-brown mineral was detected with X-ray absorption testing and electron microscopy in samples found below 1000 metres depth
In detail, the researchers believe their discovery backs a theory that suggested that Mars may have been covered by an ice blanket billions of years ago and that this coverage had dust blowing into it, thus, leading to the formation of jarosite in ice pockets. 
In Antarctica, the team led by Giovanni Baccolo from the University of Milano-Bicocca detected the yellow-brown…

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