Da da da da dad da da da da
I don't know why, but when I read this, I started humming the Jurrasic Park theme song.
Are we so far off from that?
The paradigm for egg fossilization would have to be sudden burial in the right kind of high silicon slurry. Gradual burial and thousands of years of mineral exchange, blah blah blah seems so very unlikely.
I can't relate to which tune you are humming perhaps because I was paying too much attention to those large lizards with big teeth.