06350 - Nicely Preserved Pyritized 0.79 Inch Phylloceras Lower Cretaceous Ammonites Other_Reptiles and Bardet
Yard notes & kiln story
Description
and Bardet
Environment and Earth Sciences Department
showing a perfect example of this Botryoidal crystallization typical of iron oxide
Mosasaurus baugei Arambourg
Whittakerites
06350 - Nicely Preserved Pyritized 0.79 Inch Phylloceras Lower Cretaceous Ammonites Other_Reptiles and BardetSpecimen of extreme quality. His suture lines are wonderfully well detailed. It is naturally pyritized. It has undergone a taphonomic process of permineralization in Iron Sulfide (Pyrite). Permineralization is a process of fossilization in which mineral deposits form internal casts of organisms.