Puga Valley Hot Springs Study – New Insights into Origin of Life on Earth

Explore the groundbreaking study at Puga Valley hot springs in Ladakh, revealing how calcium carbonates may have preserved early biomolecules, offering clues about the origin of life on Earth and potential life on Mars.

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Context

  • Recently, a team of Indian scientists found significant evidence at the Puga Valley hot springs in Ladakh that could challenge current theories on the origin of life on Earth. The discovery also holds promising implications for guiding future searches for life on Mars.

Key Findings

  • The study suggests that Puga's extreme environment could function as natural prebiotic reactor, preserving early biomolecules and offering real-world insight into the origin of life. 
  • While global theories have focused on silica-based origins of life, this study highlights the previously underexplored role of calcium carbonates (calcite). found to concentrate and Travertine (CaCO, deposits) was to preserve organic molecules, making it a potential natural template for prebiotic chemistry. 
  • Analysis of travertine samples revealed: Amino acid derivatives, Formamide, Sulphur compounds & Fatty acids 
  • These biomolecules were encapsulated within calcite, suggesting a mechanism for stabilizing and preserving prebiotic organisms. 

About Hot Spring

  • A natural water outlet that emerges from the Earth's surface, heated by geothermal activity beneath the ground.

Key Features

  • Water temperature is significantly higher than the surrounding air groundwater. Often found in geologically active regions, such as volcanic or tectonic zones.


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