Desert Gold Ventures Commences a Mining Feasibility Study on Its Barani East Project in Western Mali
02 6월 2014 - 10:53PM
Marketwired
Desert Gold Ventures Commences a Mining Feasibility Study on Its
Barani East Project in Western Mali
TORONTO, ONTARIO--(Marketwired - Jun 2, 2014) - Desert Gold
Ventures Inc. (TSX-VENTURE:DAU) (the "Company" or "Desert Gold") is
pleased to record extensive metallurgical test work conducted on
bulk mining samples from the recently drilled and sampled Barani
East Gold Deposit (the "Deposit") indicates gold recoveries up to
85%. The company is currently engaged in a feasibility study to
support fundraising for the development of a mine on the
deposit.
Process Design
A two ton bulk sample of ore collected from the Barani east
prospect was submitted to Peacocke Simpson & Associates (Pty)
Ltd's minerals processing laboratory in Harare, Zimbabwe for bulk
metallurgical work.
The company has commissioned an engineering design team from
Appropriate Process Technologies (Pty) Ltd (Johannesburg, South
Africa) ("APT") for plant design. APT specialises in the
manufacturing of modular mineral processing plants and are
designing a plant to optimise the economic exploitation of the
resource. The latest tests indicate that a low capital cost plant
comprising a wash and screen (2 mm) circuit, with minor crushing,
feeding to a Knelson gravity concentrator will recover 40.3% of the
gold. The tailings from the Knelson concentrator were fed to a
Knelson continuous variable discharge concentrator (CVD) from which
concentrates with a mass yield of approximately 11% were subjected
to a cyanide leach, which resulted in an additional 25% of the gold
to be recovered. Although this process, in aggregate, generates a
lower recovery of the gold (65%) compared to other processing
alternatives, this configuration requires the least capital
investment, being some 80% cheaper than the alternative maximum
recovery design plan, and having the lowest operating costs.
Tailings with the unrecovered gold will be stockpiled as an asset
for later re-treatment.
About the Project
The Barani East Gold Deposit occurs on the Desert Gold's
Farabantourou Permit located in Western Mali. The permit falls on
the Senegal-Mali Fault Zone ("SMFZ"), 40km south of Sadiola Mine
and 50km north of the Loulou-Gounkoto mine complex (Fig. 1). Both
these mines are on the SMFZ.
Barani East is the first of 6 prospects with proven gold
mineralization expected to be developed by Desert Gold on the
permit. The project has been drilled to a depth of 120m with
mineralization open to depth in the southern part of the deposit
(Fig. 2).
To view Figures 1 and 2 please click on the following link:
http://media3.marketwire.com/docs/DAU0602.pdf
The Resource
The company has focused drilling on the Barani East prospect and
has completed a maiden mineral resource estimate, which indicates a
total of 108,100 oz gold in the indicated and inferred categories
with average grades of 2.50 g/t gold at a cut-off value of 1.0 g/t
gold. (Table 1). This resource is currently defined to a maximum
depth of 120 m below surface over a strike length of 400m. The
deposit is tabular, mineralisation varying in thickness from 4.5m
to 15m, and dipping to the east between 45° and 60°. The gold
mineralisation is associated with quartz hematite rocks and
kaolinite veins within siltstone and shale.
Resource Category |
Tonnes |
Grade (g/t Au) |
Ounces Au |
Indicated |
514,000 |
2.46 |
40,600 |
Inferred |
828,000 |
2.53 |
67,500 |
TOTAL |
1,342,000 |
2.50 |
108,100 |
At a cut-off grade of 1 g/t |
Table 1. Barani East estimated mineral resource (April
2013). |
Farabantourou Strategy
Desert Gold's Farabantourou permit strategy is to develop the
other 5 known gold prospects to a mineral resource definition stage
similar to what has been achieved at Barani East. Funding for
drilling on the other 5 prospects will be provided out of mining
revenue from a low cost opencast mining operation on Barani East. A
feasibility study is being concluded to define the CAPEX and
related operational cost associated with a potential mining
operation to extract the resource as defined from surface. High
grade Au intersections of 9.99g/t over 4m and 8.60g/t over 3.5m at
120m vertical depth show potential for developing an underground
resource at Barani East following the exploitation of the open pit
resource.
About Desert Gold
Desert Gold Ventures Inc. is an advanced exploration and
development company which holds mining assets in Mali and
Rwanda.
For further information concerning Desert Gold Ventures Inc. and
the TransAfrika material properties, please refer to Desert Gold's
SEDAR profile at www.sedar.com or visit our website at
www.desertgold.ca.
This announcement has been reviewed by Mr. Mark Austin, Senior
Partner of Applied Geology & Mining Pty Ltd, who has more than
30 years of relevant experience in the field of activity concerned.
He is a fellow of the Geological Society of South Africa ('GSSA')
and is registered as a Professional Natural Scientist with the
South African Council for Natural Scientific Professions (No.
400235/06) and he has consented to the inclusion of the material in
the form and context in which it appears.
This news release has been prepared on behalf of the board of
directors of Desert Gold, which accepts full responsibility for its
contents.
Desert Gold Ventures Inc.Jared W ScharfCFOM: (416)
662-3971jared.scharf@desertgold.ca
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