Re: Evidence of lava dams

jbutler@cs5.dasd.honeywell.com
Tue, 30 Sep 1997 11:47:51 -0600


These lakes are often dated to about 1my BP and they really leave very few
traces, compared, for instance, to Glacial Lake Missoula and to Lake
Bonneville. And their draining leaves very few traces compared to the
Channeled Scablands. If anyone knows of upstream traces of the Grand
Canyon lakes, I'd like to hear about it.

Earl, I read somewhere that some geologists think the fertile fields where the
Havasupai have their crops planted is a deposit formed when a lake backed up
into Havasu Canyon. I guess the deposits were an old delta of Havasu Creek.
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