Taffoni (prehistoric stone structures in Corsica): ~5,000 BCE coastal site. A discovery off the coast of France/Brittany features stone structures dating to 5800–5300 BCE, built during a period of lower sea levels when the area was coastal. These structures are now submerged, likely due to sea level rise of approximately 7-9 meters over the past 7,000+ years. The discovery challenges assumptions about when complex stone-building societies emerged, predating known megalithic monuments on land. Fish traps, walls, and complex constructions suggest advanced coastal communities wiped out by rising seas. Could this inspire legends of sunken cities? 🏛️🌊✨
Coastline position around 5700 BCE (7,700 years ago)
Site mentioned
📍 Taffoni
Key facts
- Coastline position around 5700 BCE (7,700 years ago)
- Site was underwater at 5700 BCE
- Sea level rise of 7-9 meters since 7,700 years ago (approximately 30 feet)
- Structures approximately 7 feet in height
- If sea level has risen 30 feet since 7,700 years ago, structures must have been built when area was above high tide
- Structures may be considerably older than late Mesolithic-Neolithic transition
- Construction timing paradox: difficult to build multi-ton stones in intertidal zone during high tide cycles
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