But the grand canyon? All layers of hard rock cut steep and deep.....as if all the layers were of the same hardness.
You've never looked at a picture of the Grand Canyon? You've obviously never read one of the excellent threads here at EvC about the variety of formations visible there......and yes, the accumulated gradually.
"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
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