On this day in 1971, on the second day of the Apollo 15 lunar mission, astronauts dug up a really old rock which, of course, they named "The Genesis Rock"
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The law of superimposition says that stuff found on top is younger than stuff found lower down, in a geological or archaeological column. This is generally true, but there are exceptions, mostly trivial and easily understood.
Bora wants some scientist rock stars
Astronomy obliges!
The cores of mountain belts formed by continental collisions often contain metamorphic rocks, formed when sediments were buried in the collision and transformed by heat and pressure.
Ironically one of the astronauts of Apollo 15, James Irwin, became a Genesis loon: a YEC who hunted for Noah's Ark.
The arc is the only biblical miracle you can see from space. If you look close enough and kind of squint.
Yay, happy Sample #15415 Day! I think we just found what we came for. :)