Brinco Mining Limited
Cassiar Asbestos

General

The Cassiar mine is an open pit asbestos
mine which produces a high quality
chrysotile asbestos fibre mainly in the
asbestos cement grades. It is located in , ,
northern British Columbia just south of the ,
Yukon border.

Production 4
In 1981 1,354,400 tons of ore were 7
mined at a recoverable mine grade of

7.18% compared with 7.65% in 1980. The

primary concentrator rejected 21% of feed

which was the same rejection rate recorded
_in 1980. The mill processed 1,071,432 tons

of concentrate and produced.97,827 tons of

‘Operating soviaal

fibre during eleven. monthsof operations. gperations _ ae ube pecenil 2
Bele Gar ony, 4.8 million.yards 6f waste were remov _——
northern British Columbia, uring 1981 compared with ‘7.2 million » Ore Milled (tons) 1,071,432 1.109.330

yards removed in 1980. The cost per yard Recoverable ili a ae Bb
of waste removed was $3.14. ‘ Fibre Pra duce Fi :
In addition $6 million in capital was (tons) 97.827 107,239
spent on replacements, mill pemovameents Waste Removal
and modification y (cubic yards) ~ 4,781,494 7,212,541
Ore Reserves ES aiecal for 11 months ‘ “e
Ore reserves asvof January 1st, 1982 ae 2.)
were calculated at 12,321,480.tons. This i is =o
a slight reduction in the reserves of demand for asbestos fibre *.
_~ 13,847,000 tons as reported year end 1980 — Ponti be depressed as a result’of the"
af _ after deducting tons mined during 1981. world | sion which has reduced public
4 : é and ‘private expenditures in the
ae ‘Exploration a | “construction'sector. A slight recovery in tigne
. aa

~ Sector is expected towards the end of 1982.

“» — Underground exploration of the McDame lnyentopids refriain at high levels, Ma

. contiguous 'to'the Cassiar

, . throughout the industry despite substantial §
dy coronene: thes. Be
“— a. % sea A feet of diamond drill production cutbacks in 1981. ‘Ss
pleted. S to.date have Salés for 1981 were 88.409 tons. *

ea oo gies ifteen million tos of .-—-”-Alithough a decline from 1980, market >
"~~ © asbestos-bearing serpentinite With asbestos Share was maintained, and markets
mgt content similarto that of the Cassiar.6fe & ‘expanded in India and the Middle East.

y: Further engineering studies are.” "Cassiar Continues tO serve over 100 —

~ * - uired to-evaluate the: = —o in AapRUNETIES. a
pn ning. |

al. surface or Undergro

=

a " Distribution of Sales ! 1981 1980 4
=e i ae “Environmental Control on ae
ge ¥ Capital expenditures for, modifi cations * Sk - ;

i ; 3.0
: q Fi improvements within the mill Brapiex eee — ee < 5.0,
ya : . ave resulted in'the reduction of overall Asia 240 210
= ae < » average fibre concentrations in the air to Continental Europe 29.0 26.0
: less than two fibres per cubic centimeter, in Australia 13.0 17.0
compliance with the Government of British Middle East 4.0 1.0

Columbia regulations.

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