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Jarosite
June 11 , 2025
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- Researchers from India sampled six jarosite veins from Kachchh in Gujarat.
- Researchers have found it could serve as a natural geological clock on Mars.
- Jarosite is a yellow-brown mineral that contains potassium, iron, and sulphate
- It exhibits radiation-induced luminescence.
- This property is serving as a geological clock that can record events up to 25,000 years ago.
- It was detected by NASA's Opportunity and Curiosity rovers in Meridiani Planum and Gale Crater of Mars.
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