Grand Canyon

Glenn Morton (grmorton@waymark.net)
Fri, 05 Dec 1997 15:31:11 -0600

A couple of days ago I posted a couple of critiques of the theory that the
Grand Canyon was formed by the collapse of a glacial lake. There were 2
main points: 1. the need for a Grand Canyon-sized reservoir upstream and 2.
the need for numerous lakes to form the Canyon. No one has replied. Do any
of the advocates of a rapid Canyon formation care to respond to these
issues? If this theory of canyon formation is a robust theory, it should be
able to handle this problem. Here is the argument again about the number of
lakes, any takers?
***

Let me ask those who wish to explain the Grand Canyon by the collapse of
glacial lakes, how many lakes must have collapsed in order to carve it. The
canyon is intersected by lots of other big canyons which didn't come from
the major hypothetical lake up the Colorado River. The canyon looks like,

**13 **12
** **
** **
** ******* 1** **2
** ******************* ** **
** *********** **** ***
*** ** **3 **
** ** ** **
** ** 10 ** **
** ** * 9 *****
** ** * ** 8 7 **6 ***
*** ** 11* * ** ** ** **
**** ** ** ** ** ** **5 ** 4
** ** ** ** ** ** ** ** ********
** ** ** ** ** ** ** ** *********
** ** ********************** ** **
** ***********************************
** ****************
**
**
**
**
**
** 14

The numbers refer to the following canyons which also had to be excavated:
The names came off of the USGS map I bought at the Grand Canyon.
1. I can't find the name of this canyon
2. Colorado River channel
3. Nanoweap
4. Little Colorado
5. vishnu creek Canyon
6. Clear Creek Canyon
7. Bright Angel Creek Canyon
8. Dragon Creek Canyon
9. Modred Abyss
10 Merlin Abyss
11. Muav Creek Canyon
12 Tapeats Creek Canyon
13 Kaibab Canyon
14 Havasu Canyon

If you want to say that the grand canyon was excavated by a SW flow from a
glacial lake, were each of the subcanyons (a couple of which are quite
large) also excavated by glacial lake collapse? Were there 14 such glacial
lakes, even to the south to account for Havasu Canyon? Was there a lake at
the head of each of these canyons? If not, how did a single collapse
(flowing to the west) excavate canyons oriented from due north to due east
to south east?
This makes no sense.

glenn

Adam, Apes, and Anthropology: Finding the Soul of Fossil Man

and

Foundation, Fall and Flood
http://www.isource.net/~grmorton/dmd.htm