[permaculture] Rock dust sources Lawrence used in NC
keithdj at mindspring.com
Tue Apr 5 10:00:16 EDT 2005
A short answer to Johnny's question "Which quarry...": the nearest one
(just check the yellow pages)....and as Lawrence notes, they all have fines.
Lawrence F. London, Jr. wrote:
> Johnny Gregory wrote:
>> Where is the quarry you used here in NC and what type of rock do
>> they offer? Didi you use "fines"?
> All certified rock quarries in NC use linked settling ponds that
> generate tons of "pond fines", i.e. rock dust.
> Martin Matietta-owned quarries, American Stone Co. (MM-owned), Luck's
> Quarry in Haw River (MM-owned) .
> The one on Huhhman Mill Rd south of Burlington on 421 has granite
> dust., the one near Chapel Hill has volcanic tuff (2nd
> hardest rock in NC) dust and one near Hillsboro has Pyrophyllite dust
> - really fine stuff, no pun intended.
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