Trilobite Fossils

  • A recent research details new trilobite species, including one named after Thai Royal Princess Maha Chakri Sirindhorn.
  • These trilobite fossils were found between layers of petrified ash in sandstone, a result of ancient volcanic eruptions settling on the sea floor.
  • The green layer formed is called a tuff and contains resilient zircon crystals, a mineral as tough as steel.
  • Zircon, chemically stable and weather-resistant, allows for precise dating of the fossils and the volcanic eruption.
  • The late Cambrian period fossils, dating between 497 and 485 million years ago, provide crucial insights into Earth's history.
  • The rarity of tuffs from this period makes these findings ....
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