Shemshak Group

Shemshak Group
Stratigraphic range: Upper Triassic–Middle Jurassic
TypeGeological group
Sub-unitsDansirit Formation
UnderliesDalichai Formation
OverliesElikah Formation, locally Permian or older rocks
ThicknessUp to 4000 m
Location
RegionKerman Province, Alborz mountain chain
CountryIran

The Shemshak Formation is a Mesozoic geologic group in Iran. It dates from the Late Triassic into the Middle Jurassic, is up to 4000m thick and primarily consists of siliciclastic sediments.[1] Fossil theropod tracks have been reported from Dansirit Formation.[2]

Pterophyllum fossil from Shamshak Formation, Middle Jurassic, Iran
  1. ^ Fürsich, Franz Theodor; Wilmsen, Markus; Seyed-Emami, Kazem; Majidifard, Mahmoud Reza (2009). "Lithostratigraphy of the Upper Triassic–Middle Jurassic Shemshak Group of Northern Iran". Geological Society, London, Special Publications. 312 (1): 129–160. doi:10.1144/SP312.6. ISSN 0305-8719.
  2. ^ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.