Banro outlines major new mineralized gold structure at Mufwa within its Twangiza property

    Results include soil values up to 1,880 ppb Au; rock chip samples grading
    up to 64.00 g/t Au; and channel samples in artisanal adits with
    intersections of 13.75 metres @ 8.75 g/t Au, 4.00 metres @
    24.15 g/t Au and 8.00m @ 7.87 g/t Au.

    TORONTO, June 6 /CNW/ - Banro Corporation ("Banro" or the "Company")
(AMEX - "BAA"; TSX - "BAA") is pleased to announce the results of the first
phase of exploration on the Mufwa Prospect, located in the Company's
wholly-owned Twangiza Project on the Twangiza-Namoya gold belt in the
Democratic Republic of the Congo (the "DRC"). This work has included
geological mapping, soil and rock chip sampling and channel sampling in adits
developed by artisanal miners. Preparations are in progress for a preliminary
core drilling program.
    Three maps (Figures 1 to 3) highlighting the location and soil anomalies
on the Mufwa Prospect are found accompanying this press release on the
Company's website at
    The Mufwa Prospect (Figure 1) is located 11.5 kilometres northwest of the
Twangiza Main and Twangiza North deposits where Banro has defined an estimated
Measured Mineral Resource of 1,315,000 ounces of gold (14,510,000 tonnes
grading 2.82 g/t Au), Indicated Mineral Resource of 2,558,000 ounces of gold
(39,119,000 tonnes grading 2.03 g/t Au) and Inferred Mineral Resource of
2,705,000 ounces of gold (46,188,000 tonnes grading 1.82 g/t Au). Reference is
made to Banro's press release dated January 15, 2008 (a copy of which can be
obtained from SEDAR at The Company is currently in the process
of completing a pre-feasibility study of the Twangiza Project.
    Gold mineralization at Mufwa is hosted in weakly metamorphosed pelitic
sediments which have been folded into a north-south trending anticline, with
moderately dipping limbs and a northerly plunge of about 40 degrees. The
prospect is therefore similar to the Twangiza deposits in terms of structural
setting. Gold mineralization is associated with several zones of quartz
veining which are sub-parallel to bedding, and up to at least 14 metres in
width. Within these zones, individual veins form irregular stockworks, sheeted
vein systems and discontinuous lenses. Pyrite and arsenopyrite occur in the
quartz veins in variable amounts, and may also occur disseminated in the host
rock between the veins.
    A soil sampling grid was established over an area measuring 4 kilometres
by 2 kilometres, centred on the mineralization exposed by artisanal miners.
Samples were taken at intervals of 40 metres on 80 metre-spaced lines, at a
depth of 60 centimetres. A total of 2,500 soil samples were collected and
analysed for gold. Using a threshold of 60 ppb Au, several anomalies are
defined within an area measuring approximately 1,700 metres east-west and
700 metres north-south, indicating that mineralization extends outside the
area of artisanal mining activity (Figure 2). Gold values of up to 1,880 ppb
were returned for the soil samples.
    Rock chip samples from outcrop confirm the presence of in situ gold
mineralization in the vicinity of the soil anomaly, returning values of up to
64.00 g/t Au (Figure 2). (A total of 199 rock samples were collected and
analyzed for gold).
    Twenty-five adits (Figure 3) were mapped and channel sampled at
approximately 1 metre intervals by hammer and chisel. (A total of 940 adit
samples were collected and analyzed for gold). The most significant
intersections were 13.75 metres grading 8.75 g/t Au, 4.00 metres @ 24.15 g/t
Au, 8.00 metres @ 7.87 g/t Au, 5.00 metres @ 9.34 g/t Au, 9.90 metres @ 4.32
g/t Au and 11.00 metres @ 3.87 g/t Au.
    Preparations are well advanced for an initial 10-hole, 2,000 metre core
drilling program to further investigate the frequency, width, tenor and
continuity of the mineralized zones at Mufwa.
    Commenting on these results, Mike Prinsloo, President and C.E.O. of the
Company, said: "These initial exploration results from our new Mufwa Prospect
are very encouraging with the extent and structural setting similar to the
Twangiza Main and Twangiza North deposits where we are finalizing the
pre-feasibility study. We expect to commence initial drilling on this prospect
towards the end of this month."
    All soil and rock samples were placed in sealed bags and sent to the
Company's sample preparation facility in Bukavu, DRC. The rock samples were
then crushed down to minus 2 mm, and split with half of the sample pulverized
down to 90% passing 75 microns. The soil samples were sieved to minus 2 mm,
and the undersized fraction pulverized down to 90% passing 75 microns.
Approximately 150 grams of the pulverized sample was then shipped to the
SGS Laboratory (which is independent of the Company) in Mwanza, Tanzania where
the samples were analyzed for gold by fire assay using a 50g charge. As part
of the Company's QA/QC procedures, which conform to internationally recognised
standards, duplicates and blanks were inserted into the sample batches.
    Additional information with respect to the Twangiza Project is contained
in the technical report dated September 13, 2007 and entitled "Preliminary
Assessment NI 43-101 Technical Report, Twangiza Gold Project, South Kivu
Province, Democratic Republic of Congo". A copy of this report can be obtained
from SEDAR at

    Banro is a Canadian-based gold exploration company focused on the
development of four major, wholly-owned gold projects, each with mining
licenses, along the 210 kilometre-long Twangiza-Namoya gold belt in the
South Kivu and Maniema provinces of the DRC. Led by a proven management team
with extensive gold and African experience, Banro's strategy is to unlock
shareholder value by increasing and developing its significant gold assets in
a socially and environmentally responsible manner.

    Qualified Person
    The exploration results disclosed by this press release have been
reviewed, verified (including sampling, analytical and test data) and compiled
by the Company's geological staff based in Bukavu, DRC, under the supervision
of Daniel K. Bansah who is a Member of The Australasian Institute of Mining
and Metallurgy (Aus.I.M.M), the Company's Vice President, Exploration and a
"qualified person" (as such term is defined in National Instrument 43-101).

    Cautionary Note to U.S. Investors: The United States Securities and
Exchange Commission (the "SEC") permits U.S. mining companies, in their
filings with the SEC, to disclose only those mineral deposits that a company
can economically and legally extract or produce. Certain terms are used by the
Company, such as "measured", "indicated", and "inferred" "resources", that the
SEC guidelines strictly prohibit U.S. registered companies from including in
their filings with the SEC. U.S. Investors are urged to consider closely the
disclosure in the Company's Form 40-F Registration Statement, File No.
001-32399, which may be secured from the Company, or from the SEC's website at

    Forward-Looking Statements: This press release contains forward-looking
statements. All statements, other than statements of historical fact, that
address activities, events or developments that the Company believes, expects
or anticipates will or may occur in the future (including, without limitation,
statements regarding the estimation of mineral resources, exploration results,
potential mineralization, potential mineral resources and the Company's
exploration and development plans with respect to Twangiza) are
forward-looking statements. These forward-looking statements reflect the
current expectations or beliefs of the Company based on information currently
available to the Company. Forward-looking statements are subject to a number
of risks and uncertainties that may cause the actual results of the Company to
differ materially from those discussed in the forward-looking statements, and
even if such actual results are realized or substantially realized, there can
be no assurance that they will have the expected consequences to, or effects
on the Company. Factors that could cause actual results or events to differ
materially from current expectations include, among other things, failure to
establish estimated mineral resources (the mineral resource figures referred
to in this press release are estimates and no assurances can be given that the
indicated levels of gold will be produced), the possibility that future
exploration results will not be consistent with the Company's expectations,
gold recoveries for Twangiza being less than those indicated by the
metallurgical testwork carried out to date (there can be no assurance that
gold recoveries in small scale laboratory tests will be duplicated in large
tests under on-site conditions or during production), changes in world gold
markets and equity markets, political developments in the DRC, fluctuations in
currency exchange rates, inflation, changes to regulations affecting the
Company's activities, uncertainties relating to the availability and costs of
financing needed in the future, the uncertainties involved in interpreting
drilling results and other geological data and the other risks disclosed under
the heading "Risk Factors" and elsewhere in the Company's annual information
form dated March 28, 2008 filed on SEDAR at Any forward-looking
statement speaks only as of the date on which it is made and, except as may be
required by applicable securities laws, the Company disclaims any intent or
obligation to update any forward-looking statement, whether as a result of new
information, future events or results or otherwise. Although the Company
believes that the assumptions inherent in the forward-looking statements are
reasonable, forward-looking statements are not guarantees of future
performance and accordingly undue reliance should not be put on such
statements due to the inherent uncertainty therein.

For further information:

For further information: please visit our website at, or
contact: Mike Prinsloo, President and C.E.O., South Africa, Tel: + 27 (0) 11
958-2885; Arnold T. Kondrat, Executive Vice-President, Toronto, Ontario, or
Martin Jones, Vice-President, Corporate Development, Toronto, Ontario, Tel:
(416) 366-2221 or 1-800-714-7938

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