Cañadón Asfalto Formation, Geological formation in Chubut, Argentina.
The Cañadón Asfalto Formation extends across 600 meters of sedimentary rocks, including sandstone, limestone, shale, and volcanic tuffite deposits in northwestern Patagonia.
The formation dates back to the Lower Jurassic period, approximately 171 million years ago, when the Gondwana supercontinent began its separation process.
Scientists and researchers from around the world study this formation to understand plant evolution transitions from gymnosperms to flowering plants during the Jurassic period.
The formation contains two distinct sections: the Las Chacritas Member and the Puesto Almada Member, each offering different geological characteristics for research purposes.
This formation contains one of the most extensive collections of Jurassic rocks in South America, preserving fossils of dinosaurs, plants, and ancient lake environments.
Location: Chubut
GPS coordinates: -43.40000,-69.20000
Latest update: March 9, 2025 17:02
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