Re: Glacierless worlds

sigidunum_at_yahoo.com
Date: 02/18/05 

Date: 18 Feb 2005 13:21:20 -0800

Logan Kearsley wrote:
> So I'm designing a world where the thallasogen is ammonia rather than
water.
> Since ammonia is denser as a solid than as a liquid, it won't tend to
melt
> when compressed, so large piles of ammonia snow won't cement
themselves into
> solid sheets. Ergo, no glaciers.

But that's not the only mechanism for turning a powder into a solid.
Pressures at the bottom of a continental glacier can reach a couple of
hundred atmospheres easy. I expect you'd get some kind of sintering.

> I think I've got a pretty good grasp of what that means I'll be
leaving off
> of the world map- no glacier-carved plains or lakes, no fjords. But
I'm
> nowhere near an expert on this sort of thing, so any help here would
be
> appreciated.

It might be helpful to have more details about the world.

Doug M.

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