Wonthaggi Formation, Geological formation in Victoria, Australia.
Wonthaggi Formation is a geological sequence in Victoria composed of sandstone and mudstone layers stacked deep within the ground. It contains numerous fossils from the Cretaceous period that have been studied by scientists for decades.
The formation developed during the Early Cretaceous when Australia separated from Antarctica and large rift basins formed. This continental movement created the sediment layers that geologists observe today.
The formation is known for its fossils that visitors can see displayed in local museums and exhibitions throughout the region. These discoveries tell the story of a time when dinosaurs and early mammals lived in this area.
The formation is best explored through walking trails near Wonthaggi and along the Bass Coast Dinosaur Trail in the area. Visitors should wear proper footwear and stay on marked paths as the terrain can be uneven.
A site called Flat Rocks within the area has yielded rare fossils including small dinosaurs and early mammals from the Early Cretaceous. These discoveries are internationally significant and show this region was once an important ecosystem.
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