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Re: understanding laterite

Robert H wrote:

> Laterite soil happens only where there is both tropical heat and heavy
> tropical rains. South America, carribian, and tropical asia. All three
> profesors stated to me that the only place in north america where this
> could occur is in Florida, but they are unaware of any laterite areas in
> that swampy state.

I'm no geologist, but I understand that other regions that *were* tropical
in the geological past also count. Once the soil is leached of nutrients,
it can be "sealed" by geological processes for millions of years and latter
re-exposed again.

-Ivo Busko
 Baltimore, MD