- Source: Turners Falls Formation
The Turners Falls Formation or Turners Falls Sandstone is an Early Jurassic geological formation in Massachusetts. Various reptile tracks and footprints are known from this strata. These include Antipus flexiloquus, which has been interpreted as belonging to a small quadrupedal reptile or a pterosaur, though it is most likely a crocodylomorph.
The formation is thought to represent the distal zones of three alluvial fans flowing west into a semiarid rift valley formed by a Mesozoic graben. These deposits represent the first infilling of the lowland that would one day become the Connecticut River Valley.
In addition to trace fossils, the Turners Falls Formation bears some of the most well-preserved specimens of armored mud balls in the world.
See also
List of pterosaur-bearing stratigraphic units
Portland Formation
Armored mud ball
References
References
Kata Kunci Pencarian:
- Turners Falls Formation
- Armored mud ball
- Lunulipes
- Bifurculapes
- Dilophosaurus
- List of fossiliferous stratigraphic units in Massachusetts
- List of pterosaur-bearing stratigraphic units
- Rhine Falls
- Argoides
- Morrison Formation
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