18/06/2026
New geosite alert from Brazil! 🇧🇷✨
We are thrilled to share an incredible geological gem from the Inventory of the Geological Heritage of the State of São Paulo: the Boudins of the Camburizinho Islet geosite! Located on the stunning northern coast, this single coastal outcrop packs a massive punch of Earth history, telling a story spanning hundreds of millions of years.
What makes this place a geological masterpiece?
1️⃣ Deep Crustal Secrets: Look closely at the migmatites, boudins, schollen, and leucosomes. They are direct structural records of extreme deformation and anatexis (partial melting) that occurred deep within the crust during the evolution of the Ribeira Belt and the assembly of the Gondwana Supercontinent!
2️⃣ The Breakup of Gondwana: The prominent NE-SW-trending fractures and basaltic d***s document a completely different chapter—later extensional tectonics and magmatism as Gondwana split apart, paving the way for the opening of the South Atlantic Ocean.
3️⃣ Modern Coastal Dynamics: Connecting the islet to the mainland is a beautiful tombolo, showcasing active geomorphological processes right before our eyes.
With its breathtaking scenic views and high concentration of scientific, educational, and interpretive value, Camburizinho Islet is a textbook example of geoheritage meeting geotourism!
📸 Beautifully captured by: Renato Henriques, Carlos Mazoca, and Maria da Glória Garcia.
Geology