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Gold/Mining/Energy : Montello Resources -- Ignore unavailable to you. Want to Upgrade?


To: JP who wrote (2492)10/3/1998 4:16:00 PM
From: Gord Bolton  Respond to of 4256
 
Why would anyone worry about "overburden"? Look at the "problem"
that SUF had with "overburden" on the M-1 pipe in S.A. It was three times richer than the main body and was full of chunkers.
That was not much of a "problem" as far as I can see.
Kimberlite is a hard rock but when exposed to swampy conditions
that one might expect in Northern Alberta it turns to slimy mud and
you don't have to crush it. The only thing to worry about is the
quantity, size and quality of the diamonds. If the diamonds are
there at all the overburden will likely be a very sweet treat.



To: JP who wrote (2492)10/3/1998 11:23:00 PM
From: gordon m.  Read Replies (1) | Respond to of 4256
 
JP - An interesting real life current case of overburden/waste
removal in the life extension of the Argyle Diamond Mine in Australia.

removal of : 100 million tons of waste

to access : 17 million tons of ore ( @ 2.58 CPT )


Joint news releases :

riotinto.com

ashton.net.au

Bear in mind that every pipe/cluster's economics must be calculated
according to its own cost idiosyncrasies.

Gord.