[Scythian]

Agreed, they are finding dinosaur bones with fresh bone marrow inside now, they are not very old at all.

[wendy1946]

Bone isn’t the most porous stuff on Earth but it IS porous and for the one trex find in Montana two summers ago to be 70,000,000 years old it would have to have never rained in Montana or the Dakotas for 70,000,000 years. For starters...

[null and void]

Agreed, they are finding dinosaur bones with fresh bone marrow inside now, they are not very old at all.

Source please.

All I've seen is reports of a flexible waxy residue after the hard minerals were dissolved away.

It didn't look all that much different from the waxes one could extract from shale oil.

I've never seen any analysis of the stuff, have you?