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🌊 Zanclean Flood deposits: The Cañon de Almadenes

Earth Sciences Spain Europe

🌊 Zanclean Flood deposits: The Cañon de Almadenes
Geological evidence of a catastrophic Mediterranean megaflood event


🕐 2 min read · Updated 3 Apr 2026 at 01:31
📋 Fast Facts
  • Located near Mazarrón in Murcia, southeastern Spain
  • Canyon walls composed of sandstone, siltstone, and conglomerate deposits
  • Evidence of the Zanclean megaflood, approximately 5.33 million years ago
  • Part of Mediterranean-wide geological formations from the Miocene epoch

The Cañon de Almadenes is a geological site near Mazarrón in the Murcia region of southeastern Spain that preserves deposits from one of Earth's most dramatic hydrological events. The canyon's walls expose thick sequences of sandstone, siltstone, and conglomerate—sedimentary rocks that record a catastrophic flood event occurring approximately 5.33 million years ago during the Zanclean stage of the Miocene epoch. These deposits represent evidence of the Zanclean megaflood, a massive inundation ...

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