Bahia Group, Geological series in Recôncavo Basin, Bahia, Brazil.
The Bahia Group is a geological series in the Recôncavo Basin in northeastern Brazil, made up of layered sedimentary deposits from the early stages of the basin's development. The group includes several formations with varying rock types and age ranges.
The group formed during the Early Cretaceous when the region lay beneath ancient seas and accumulated thick layers of sediment. This period lasted several million years as environmental conditions changed gradually.
Scientists from multiple research institutions study these rock formations to understand the prehistoric ecosystems of South America.
The area is primarily accessible for scientific research and typically requires specialized knowledge or a guided visit to fully appreciate. Visitors should plan to work with local research institutions or museums to access the key sites.
Researchers discovered the remains of Tietasaura, an ornithopod dinosaur, preserved within the Marfim Formation. This find provides rare insight into the vertebrates that roamed this region during the Early Cretaceous.
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