Monday, January 27, 2014

Is the Grand Canyon the vast empty space carved out
by the Colorado River, or is the Grand Canyon the rock
 walls that frame the vast empty space?  How you answer
this question will determine how old you believe the
Grand Canyon is.

2 comments:

JerryB said...

I tend to trust geologists on these things because they're, you know, geologists.

Fearguth said...

But geologists disagree and their disagreement is based on the question I raised.