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112-Million-Year-Old Ecuador Amber Reveals South America’s First Insect-Bearing Deposit

The Ecuador find offers a rare Southern Hemisphere snapshot of a Cretaceous rainforest.

Overview

  • A peer-reviewed study in Communications Earth & Environment documents the amber from the Genoveva quarry within Ecuador’s Hollín Formation.
  • Geochemical dating places the resin at about 112 million years old in the early Albian stage of Gondwana.
  • Researchers examined 60 aerial amber pieces and identified 21 bio-inclusions from five insect orders plus a fragment of spider web, alongside spores and pollen.
  • The fossils indicate a humid, resin-rich low‑latitude forest with early angiosperm leaves and coniferous resin producers such as araucariaceans.
  • The lead author describes the deposit as the largest Cretaceous amber occurrence known in the Southern Hemisphere, with further fieldwork underway to recover additional inclusions.