Palaeofire Evidence in the Godavari Basin

Scientists from Birbal Sahni Institute of Palaeosciences (BSIP) Lucknow traced the fingerprints of ancient wildfires—palaeofires—that once swept through prehistoric landscapes some 250 million years ago during the Permian period.

Timeline of Palaeofires

• Range: From the Late Silurian (443.8 – 419.2 million years ago)
  to the Quaternary Period (~2.58 million years ago–present)
• Indicates that wildfires have been a persistent part of Earth’s ecological processes for hundreds of millions of years

Scientific Significance

• Fossil charcoal found in coal-bearing Gondwana formations, particularly in the Raniganj Coalfield
  • Implication: Seasonal droughts and wildfires were integral to palaeomire (ancient peatland) dynamics.
• These findings confirm widespread wildfires across Gondwanan landscapes during the Permian.

Ecological and Climatic Insights

• Palaeofires shaped vegetation evolution, soil formation, and atmospheric composition.
• Fire events directly influenced coal formation, which stores ancient carbon.
• The data help reconstruct ancient ecosystems and improve understanding of palaeoclimate trends.

Modern-Day Relevance

• Studying how organic material charred and was preserved during ancient fires provides insights into:
  • Long-term carbon storage in the Earth’s crust
  • Carbon sequestration—a key strategy in mitigating modern climate change
• Enhances geological dating techniques and improves models of past fire-climate-vegetation interactions

(Source: PIB)