Río Limay Subgroup, Geological formation in Mendoza Province, Argentina
The Río Limay Subgroup is a rock formation found in Mendoza that spreads across northern Patagonia. It consists of sandstone, siltstone, and claystone layers about 600 meters thick and is divided into three separate sections.
This formation developed about 90 to 98 million years ago during the Cretaceous period when major geological changes shaped the Neuquén Basin. It represents a time of significant transformation in the region.
Researchers from around the world come here to study how ancient South American landscapes changed over time. This site serves as a window into understanding the environments that existed millions of years ago.
The best way to see this formation is to visit the Neuquén or Mendoza region where the layers are visible in various quarries and natural outcrops. Since it is a geological site, visitors should know that access may vary depending on the specific location.
Fossil remains of dinosaurs have been discovered in these rock layers, helping researchers understand ancient life better. These discoveries make this location valuable for studying prehistoric animals that roamed South America.
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