[LMB] OT: Practice for terraforming Beta Colony on Earthly deserts.
rcrcoll6 at gmail.com
Mon Jun 21 23:47:57 BST 2021
The Loess hill in Eastern Nebraska and Western Iowa were sand dunes
deposited by the winds during the ice ages. The soil was growned by the
glaciers as they retreated releasing tons of sediment during the spring
floods. Winds then blew and sculpted the hills. As it warmed up plants
began to appear stabilizing the hills. The hills goes back to 159,000
years. In a sense a frigid desert at the height of the last ice age.
On Sat, Jun 19, 2021, 8:47 AM Gwynne Powell <gwynnepowell at hotmail.com>
> From: Raymond Collins <rcrcoll6 at gmail.com>
> I like deserts. They are fascinating places.
> Gwynne: As well as sandy deserts, Australia has gibber deserts; small
> It's amazing standing in the middle of a gibber desert, and seeing the
> land run
> flat right to the horizon in every direction (go to Oodnadatta.
> Interesting place.)
> And there's fossils too - of sea creatures. A very long time ago central
> was an inland sea - the desert is an ocean floor. Minus the water, of
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