AGM Asacha Production Update (9079F)
2012年6月22日 - 3:00PM
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RNS Number : 9079F
Trans-Siberian Gold PLC
22 June 2012
Trans-Siberian Gold plc
Asacha mining and production update
LONDON: 22 June 2012 - Trans-Siberian Gold plc ("TSG" or the
"Company") (TSG.L) will provide an update on mining and production
at Asacha in the first five months of 2012 at the Company's Annual
General Meeting today.
Mine development in April and May 2012 comprised 674 metres,
while ore extraction (including ore from stoping and mine
development) amounted to 20,080 mt. In the same period, an average
10,284 mt per month was processed through the Asacha plant. Plant
throughput has improved following the resolution of problems with
the size of the ore and with the plant's power supply in the first
quarter of 2012.
Plant performance has continued to be affected by the low grade
of ore, principally due to dilution. The mining method prescribed
in the design of the Asacha mine involves long hole blasting,
however a review by a Moscow design institute has concluded that,
although appropriate for the mine as a whole, long hole blasting is
not as suitable for the more fractured rock enclosing the main
stoping zone in the 2012 mine plan. Although that mine block has
been fully prepared for long hole blasting, the Company plans to
introduce shallow hole blasting for the adjacent blocks, from which
it is planned to extract approximately 30% of 2012's stoping ore,
with only minor dilution.
The ore extracted using shallow hole blasting will be blended
with the ore from the main stoping block, which is expected to lead
to an increase in the average grade of processed ore to 10-11 g/t
in the fourth quarter. On this basis TSG expects 2012 production of
31,000 oz gold and 48,500 oz silver.
The introduction of shallow hole blasting will require
additional equipment which has already been purchased. We are also
recruiting additional staff with the relevant experience.
On 24 April 2012 TSG reported problems with the non-availability
of one of the trucks used to bring mined ore to the surface. An
additional truck has been purchased and will be delivered to site
in September 2012.
Additional equipment for the site laboratory has increased its
sample capacity to more than 100 assays per day. The additional
drilling rig purchased to improve the quality of geologic sampling
in the mine is expected to be delivered to site by the end of June
2012.
Mining and production at Asacha in the first five months of 2012
is shown in the following table.
1(st) quarter Year to
2012 April 2012 May 2012 date
---------------------- -------------- ------------- ------------ ----------
Mine development (m) 1,023 357 317 1,697
---------------------- -------------- ------------- ------------ ----------
Ore extracted (mt) 33,525 10,927 9,153 53,605
---------------------- -------------- ------------- ------------ ----------
Ore processed (mt) 28,877 8,645 11,924 49,446
---------------------- -------------- ------------- ------------ ----------
Average gold grade
(g/t) 7.03 5.78 5.61 6.47
---------------------- -------------- ------------- ------------ ----------
Gold recovery rate
(%) 95.14 94.78 95.30 95.11
---------------------- -------------- ------------- ------------ ----------
Gold in dore (oz) 6,689 1,606 2,026 10,321
---------------------- -------------- ------------- ------------ ----------
Gold refined (oz) 6,281 2,549 1,369 10,199
---------------------- -------------- ------------- ------------ ----------
Silver refined (oz) 6,975 2,735 2,147 11,857
---------------------- -------------- ------------- ------------ ----------
TSG will report Asacha's full second quarter 2012 gold
production in July 2012.
Ends
Contacts TSG
+ 44 (0) 1480 811871
Simon Olsen + 44 (0) 7770 484965
+44 (0) 207 107
Seymour Pierce Ltd 8000
Stewart Dickson / David Foreman (Corporate
Finance)
Jeremy Stephenson (Corporate Broking)
This information is provided by RNS
The company news service from the London Stock Exchange
END
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