03038 - Superb Pyritized 1.57'' Phylloceras Lower Cretaceous Ammonites Onchopristis Teeth org/wiki/Aoufous_Formation
Yard notes & kiln story
Description
org/wiki/Aoufous_Formation
Under binocular loupes you can even see the small details
which is preserved in full
The bones have some fractures that have been glued and restored by the filling method
and visible cusps on the roots
03038 - Superb Pyritized 1.57'' Phylloceras Lower Cretaceous Ammonites Onchopristis Teeth org/wiki/Aoufous_FormationIt 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.