An unconformity is an erosional surface representing a gap in the geological record, where time is missing.
In Chapter 11 of Darwin’s Doubt, Stephen Meyer responds extensively to critics who have claimed that the evolution of new genes is well understood.
I wonder who among the Internet’s Darwin brigade will have a go at Stephen Meyer’s book next. Good luck to them.
Ironically, the rarity of genes and proteins in sequence space means that even thirty million years is not nearly enough time for the neo-Darwinian mechanism to generate a new gene or protein, much less a new animal form.
Conway Morris’s description is dead on. Imagine the scene he describes — hiking through gorgeous scenery up to a tiny quarry where you find ancient fossils preserved in incredible detail.