Published on: March 28, 2026

DWARKA BASIN: AN ANCIENT HAVEN

DWARKA BASIN: AN ANCIENT HAVEN

NEWS: Researchers from: IIT Bombay, Indian Statistical Institute, IISER Kolkata found fossil beds in Dwarka

HIGHLIGHTS

  • Basin dating to: Early Miocene epoch (23– 5.3 million years ago)
  • Dwarka Basin reveals ancient marine life & environmental conditions of western India

Dwarka Basin

  • A sedimentary basin located: Off the coast of Gujarat (Kathiawar Peninsula)
  • Contains: Marine rocks, Fossils
  • Helps understand Earth’s geological history

Geological Features

  • Rock formations: Gaj Formation, Dwarka Formation
  • Age: Miocene epoch
  • These layers preserve: Marine fossils
  • Evidence of past ocean conditions

Key Scientific Findings

  • Fossil Evidence Found:42 species of snails, Including 4 new species (new to science)
  • Indicates: Region was once Warm, Nutrient-rich marine ecosystem
  • Microfossils: Presence of: Foraminifera (e.g., Ammonia species)
  • Used to study: Past climate, Ocean conditions

Dwarka Basin Important

  • Geological Importance: Helps study Earth’s history over millions of years
    • Shows: Marine evolution
  • Ecological Insights–> Reveals: Ancient biodiversity, Marine ecosystems of past
  • Economic Importance–>Explored for Oil & gas deposits
  • Archaeological Importance–> Marine archaeologists found: Submerged pillars, 120+ stone anchors
  • Suggests: Ancient maritime activity near Dwarka