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Superdirt Made Lost Amazon Cities Possible
nationalgeographic ^

Posted on 11/30/2008 3:36:23 PM PST by JoeProBono

Centuries-old European explorers' tales of lost cities in the Amazon have long been dismissed by scholars, in part because the region is too infertile to feed a sprawling civilization. But new discoveries support the idea of an ancient Amazonian urban network—and ingeniously engineered soil may have made it all possible.

(Excerpt) Read more at news.nationalgeographic.com ...


TOPICS: Science
KEYWORDS: agriculture; amazon; animalhusbandry; annaroosevelt; brazil; dietandcuisine; dirt; godsgravesglyphs; huntergatherers; preclovis; sahara; slashandburn; soil; terrapreta
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amusing/bemusing oldie turned up in the “dirt” keyword:

“ENDANGERED” dirt. Enviro-whackos have found something new to stop building.
Fox news | 11/21/03 | Fox news
Posted on 11/21/2003 5:05:29 PM PST by Rightone
http://www.freerepublic.com/focus/f-news/1026807/posts


21 posted on 12/01/2008 7:08:32 AM PST by SunkenCiv (https://secure.freerepublic.com/donate/_______Profile finally updated Saturday, October 11, 2008 !!!)
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To: JoeProBono

22 posted on 12/01/2008 12:48:27 PM PST by Daffynition ("Beauty is in the sty of the beholder." ~ Joe 6-pack)
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To: Fred Nerks
That does not impress. If you want to see superdirt, go to Ukraine. The top soil looks like licorice. In WW-2 the Germans dug up about ten square miles of Ukrainian top soil to ship back to Germany.

The Ukrainians were not happy.

I have seen wheat fields from the train that are so large they disappear over the horizon. Quite a sight.

23 posted on 12/01/2008 2:46:50 PM PST by Jimmy Valentine (DemocRATS - when they speak, they lie; when they are silent, they are stealing the American Dream)
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