Metallurg, Inc.

Published : August 01st, 2013

Natougou Gold Deposit - Positive Metallurgical Test Results

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Keywords :   Burkina Faso | Gold |

 

Dear Shareholder/Investor,

Orbis Gold Limited (ASX:OBS) is pleased to announce that it has received very encouraging results from a metallurgical test program on samples from the Natougou gold deposit, south-east Burkina Faso.

 

The test results indicate total gold recoveries (for primary gold mineralisation) from 89.1% to 95.5% across a range of grind sizes (from 106 microns to 53 microns) and a range of cyanide concentrations (from 350ppm NaCN to 1,000ppm NaCN).

 

The initial test results indicate that Natougou mineralisation is non-refractory and it is anticipated to be amenable to a conventional carbon in leach (CIL) process circuit.

 

The positive test results will be incorporated into the Natougou development Scoping Study currently in progress.

 

Highlights:

 

?        Positive metallurgical test results received for Natougou gold deposit - Natougou mineralisation amenable to a conventional carbon-in-leach (CIL) process route.

 

?        Total gold recoveries of 94.2% achieved for primary gold mineralisation (grind size of 80% passing 75 microns, 350ppm NaCN).

 

?        Reagent consumptions within the normal range for a CIL circuit - lime (0.33kg/t) and cyanide (0.28kg/t) (grind size of 80% passing 75 microns, 350ppm NaCN).

 

?        Comminution characteristics - Bond ball mill work index = 19.6 to 20.8 kWh/t, Bond abrasiveness index = 0.19.

 

?        Positive metallurgical test results to be included in development Scoping Study - scheduled for completion by the end of August 2013.

 

Please visit www.orbisgold.com to view the full announcement.

For further information please contact:

Mr Peter Spiers, Managing Director Ph: (07) 3198 3040 or 0409 407 265

Email: info@orbisgold.com Further information on Orbis Gold can be found on our website www.orbisgold.com

Data and Statistics for these countries : Burkina Faso | All
Gold and Silver Prices for these countries : Burkina Faso | All

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Metallurg is a producing company based in United states of america.

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