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Author Topic:   Exploring the Grand Canyon, from the bottom up.
Member (Idle past 3078 days)
Posts: 88
From: Katrinaville USA
Joined: 02-03-2005

Message 12 of 283 (295284)
03-14-2006 3:46 PM
Reply to: Message 1 by jar
03-13-2006 10:53 AM

Grand Canyon Layers Billions of years old
Maybe a dumb question, but where did the upper layers come from? Common sense tells me that if the surface layers were 1 mile lower 100 million years ago than today, the earth must have been smaller in diameter then. If so, where did the top 1+ mile of dirt/sediment come from?

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