Hi,

I am not sure what fly-ash is chemically. What kind of
power station would have this?

Dominic


On Mon, 5 Jul 2004, Steve Taylor wrote:

Dominic-Luc Webb wrote:

I would like to find out what a lunar soil would consist of,
including particle sizes. I am sure it will work fine as a supporting
substrate, but some heavier metals, if present, could accumulate
into leaves and fruits rendering them inedible.

My guess would be that power station fly-ash might make a good analogue.

Steve