University of Kerala scientists identify Martian analogue sites in Tamil Nadu and Chile’s Atacama Desert
DST said on 16 October 2026 that a University of Kerala team using a DST-FIST laser Raman spectrometer identified melanterite at Neyveli and gypsum in the Tiruchirappalli Badlands (Tamil Nadu) and the Atacama Desert (Chile), establishing them as Martian analogue sites.
Summary
Researchers from the Department of Geology, University of Kerala, led by Dr. Sajin Kumar K.S., have identified Martian analogue sites using a laser Raman spectrometer supported by DST-FIST. They found melanterite at Neyveli, Tamil Nadu, and gypsum in the Atacama Desert (Chile) and the Tiruchirappalli Badlands, Tamil Nadu. Both are hydrous sulphates that record water–rock interactions similar to processes inferred on Mars, and gypsum can preserve biosignatures. The findings were published in two papers in the Journal of Geophysical Research: Planets.
Key facts
- Team
- Department of Geology, University of Kerala (led by Dr. Sajin Kumar K.S.)
- Instrument
- Laser Raman spectrometer supported by DST-FIST
- Melanterite found at
- Neyveli, Tamil Nadu
- Gypsum found at
- Atacama Desert (Chile) and Tiruchirappalli Badlands (Tamil Nadu)
- Mineral type
- Hydrous sulphates recording water–rock interaction
- Published in
- Journal of Geophysical Research: Planets (2 papers)
Practice MCQs 2 questions
In a study announced in October 2026, the mineral melanterite, relevant to Mars research, was identified at which place in Tamil Nadu?
Show answer
Correct answer: D — Neyveli
Gypsum identified as a Martian analogue mineral in the University of Kerala study was found in the Tiruchirappalli Badlands and which desert?
Show answer
Correct answer: A — Atacama Desert