BacTech Obtains Manitoba Government's Permission for Test Work on New Britannia Arsenopyrite Concentrate Stockpile
26 5월 2010 - 11:00PM
Marketwired
BacTech Mining Corporation ("BacTech" or the "Company") (TSX
VENTURE: BM) today announced that it has been given permission to
conduct a bioleach study on the arsenopyrite concentrate stockpile
located at former producer New Britannia Mine at Snow Lake,
Manitoba.
The government of Manitoba, owner of the stockpile and the party
responsible for the environmental liability, granted BacTech access
to the stockpile to collect drill samples from the estimated
300,000 tonnes of concentrate contained there. Historical data,
provided by Dr. Barbara Sherriff of the University of Manitoba,
states the concentrate grades approximately .32 oz/t, providing
approximately 100,000 oz of gold in place.
The concentrate, produced by flotation at the mill located
onsite in the 1950's, was stockpiled due to its high level of
arsenic. Over a number of years, the arsenic has become mobilized
and is leaching into the local water supplies and soil. The
presence of the arsenic and the potential to recover the associated
gold through bioleaching led BacTech to this project. The advantage
of BacTech's patented bioleaching technology is its ability to
capture certain precious and base metals, as well as treat and
neutralize arsenic from concentrates. The release of arsenic and
its subsequent bonding with iron during the bioleaching process,
produces an end product of stable ferric arsenate that is
classified as benign by the Unites States Environmental Protection
Agency.
Dr. Sherriff has informed BacTech that she has non-oxidized
drill core samples from the site generated from a previous study
she conducted on the project. These samples were frozen and can be
used by BacTech for bioleach test work in lieu of disturbing the
site to obtain samples.
BacTech will undertake assay work on the concentrates provided
by Dr. Sherriff. The bioleach work should begin within one month,
with initial results expected by July. Should the test work prove
positive, it would be BacTech's intention to seek permission and
the necessary approvals to process the stockpile material, which
would involve building a bioleach plant in the vicinity to
reprocess the arsenopyrite concentrate, stabilize the arsenic and
recover a high percentage of the contained gold. The process will
extract the gold and produce a stable residue in a manner which is
economic, efficient, effective, and would result in a financial
saving to the government of Manitoba. BacTech is committed to
working with all parties associated with the potential reclamation
of the Snow Lake site.
Given the fact that the stockpile has already been concentrated,
the capital cost associated with building a bioleach plant could be
significantly reduced. In addition, Manitoba's low energy prices
would provide for a beneficial reduction in operating costs, as
power can consume as much as 40% of the operating costs for
bioleaching.
BACTECH PROFILE
In January, the Company announced its intention to effect a
divisive reorganization whereby BacTech will separate its
technology into two separate companies, being a mining company and
a cleantech company. The common shares of a subsidiary will be
distributed to the shareholders of BacTech upon completion of the
reorganization. Completion of the proposed reorganization is
subject to receipt of all required consents and approvals,
including without limitation, court approval, shareholder approval,
and TSX Venture Exchange approval. A special meeting of
shareholders is required to approve the reorganization.
BacTech owns patented bacterial oxidation technology for the
treatment of refractory ores and concentrates to enhance the
recovery of gold, silver and base metals. The Company's initial
focus is the acquisition of equity positions in projects amenable
to bioleaching.
Shares outstanding 89,264,706
Neither the TSX Venture Exchange nor its Regulation Services
Provider (as that term is defined in the policies of the TSX
Venture Exchange) accepts responsibility for the adequacy or
accuracy of this release.
Contacts: BacTech Mining Corporation Ross Orr President &
CEO 416-813-0303 ext 222
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