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Here's the fossil preparation of really interesting little mammal called Meniscoessus robustus. This little mammal lived during the Late Cretaceous (66 million years ago) underneath the feet of some of the most ferocious of dinosaurs like T Rex. This was found in a fossil microsite (part of an ancient riverbed) in the Hell Creek formation of Montana, US. This was a delicate little prep job as the matrix is fairly hard but the bone and teeth very fragile. Credit should be given to RJ Palmer for the reconstruction image of Meniscoessus used in the video to show what this creature might have looked like.
The main tool used during this video was a Zoic Palaeotech ZPT Microraptor which is a pneumatic airscribe dedicated to working finer details and for fragile fossils. The liquid you see being used is a consolidant called Paraloid B72 which is diluted in acetone at a 4:96 ratio. This seeps into the small fractures and really helps strength the thin fossil bone.
#fossil preparation #fossil prep #hell creek