Step Canyon

Step Canyon (known to young Earth creationists as the "Little Grand Canyon") is a canyon on the foothills of Mt St Helens in Washington State, formed by a mudslide in 1982 after an earthquake.

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Creationism
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Creationist abuse

Step canyon was formed "catastrophically" in a matter of minutes. It is thus used by creationists as an analogous - albeit significantly smaller - canyon to the Grand Canyon, so they can argue that the G.C. could have been formed in a similar way.[1]

The facts
“”[T]here are no comparisons to Step Canyon (What YECers like to call the “Little Grand Canyon”) and the (real) Grand Canyon. Step Canyon goes through fields of unconsolidated pyroclastic flow deposits that is subject to easy erosion from the wet Pacific Northwest climate and there is a 2000 foot elevation drop within 1 mile, further adding to the erosion.
—Lance Wilson, on a Panda's Thumb comments page.[2]

To put this in layman's terms, the Step Canyon was formed from weakened rock that was much more vulnerable to erosion, as well as having a very nearby drain-off point. The Grand Canyon on the other hand, is formed of an entirely different rock and has a runoff point much, much further away.[3] Because of the massive differences between them, comparing the two is exceedingly stupid.

gollark: (I can't actually distinguish accents very reliably, which suggests I might not be very good at this stuff)
gollark: It might be possible to somewhat, with lots of practice, sure, but I can't just trivially alter it massive amounts for... social convenience?
gollark: You do realise that I can't just pick my accent, right?
gollark: Yeeeees, apparently.
gollark: ↓ you

See also
  • PRATT

References
  1. Little Grand Canyon - video from the Institute for Creation Research.
  2. Comment, from Adam and Steve Steve in the Garden of Eden
  3. http://www.talkorigins.org/faqs/icr-visit/bartelt1.html A Visit to the Institute for Creation Research
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