is part of catastrophism and not uniformitarianism.
Nope. Erosion and plate tectonics are pretty gradual. You don't need rapid "catastrophes" to dispose of 540,000,000-year-old rock.
"The wretched world lies now under the tyranny of foolishness; things are believed by Christians of such absurdity as no one ever could aforetime induce the heathen to believe." - Agobard of Lyons,
ca. 830 AD