Volcanic mountains are built too fast for an old earth (Talk.Origins)
Volcanoes are adding material to the crust too rapidly for an earth as old as is claimed. At present rates, volcanoes could have formed the entire crust in 500 million years.
Source: Morris, Henry M., 1974. Scientific Creationism, Green Forest, AR: Master Books, p. 155-157.
This is an out of date claim, from an out of date source. As such Talk Origins is basically correct on this point.