The Tsoltak sedimentsmainly comprise mudstone with minor sandstone and alternating sandstone and mudstone, and contain Callovian (Middle Jurassic) ammonoids such as Macrocephalites sp. and Jeanneticeras sp.
The Tsoltak sedimentsmainlycomprise mudstone with minor sandstone and alternating sandstoneand mudstone, and contain Callovian (Middle Jurassic) ammonoidssuch as Macrocephalites sp. and Jeanneticeras sp.