(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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