(urth) Cumaean???
Steven
mcquaryq at comcast.net
Sat Dec 15 20:02:47 PST 2007
Then how explain the material Sev finds in the rock face?
On Dec 14, 2007, at 5:13 PM, Pedro Pereira wrote:
> I'm a geologist.
> There's no "serious" geology going on between Severian's time and
> ours. South America seems to be basically the same as now. So there
> are no substantial destruction of human structures by subduction,
> that become part of the mantle and then eventually become part of
> the crust again during orogenesis. Orogenesis makes itself felt on
> the order of the millions of years, or hundreds of thousands of
> years, although its not so linear as that.
Steven
http://bowenfineart.com/
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