Nampala cyanidation tests deliver impressive gold recovery rates

QUEBEC CITY, Sept. 21 /CNW Telbec/ - Robex Resources Inc. (TSX-V: RBX / FWB: RB4) is pleased to announce that metallurgical testwork on mineral samples collected from the RC drilling program at the Nampala project were successfully treated at SGS Mineral Services' Laboratory in Lakefield, Canada, yielding impressive gold recovery rates averaging 89%.

A total of 461 samples were initially prepared under the supervision of Mr. Benoit Violette, geologist, and assayed at ALS' laboratory facilities in Bamako, Mali. The samples were then shipped to Canada in 23 bags, blended and divided in 9 fractions of 40-45 kg each. Engineering firm Bumigene forwarded a 3 kg sample with an average grade of 1.139 g/t to SGS's laboratory which conducted two cyanidation tests.

Cyanidation results show that recovery rates of 88.8% and 89.2% were achieved after 48 hours with a very low CN consumption ratio of 0.33kgm/t or less. One sample was tested as received (no grinding) with a granulometry of 80% at minus 140 Microns (100 mesh) and the other (after grinding) with 80% at minus 18 Microns (800 mesh). Additional tests are planned with SGS in order to increase the recovery rate above 90% and also to reduce reagent consumption.

"The oxide minerals portion of the Nampala project is basically a saprolite within which only about 10% of the reverse circulation drilling material exceeds 10 mesh in size. The very low consumption of cyanide and limestone during the testwork also confirms to date a very simple mining operation with minimum crushing /grinding for a portion of the feed with the rest being fed directly to the cyanide leach tanks. Such a project could be developed in large part locally and implemented at much lower capital costs than a hard rock operation. We are very pleased with these results and our intention is to advance the project towards feasibility within the next 12 to 15 months" stated André Gagné, President & CEO.

Otherwise, testwork was also completed with regard to the potential use of gravimetric separation methods. Samples sent to McGill University's laboratory were tested under the supervision of Mr. Florent Baril of Bumigene, who concluded that gravimetric separation was inappropriate due to the fineness of gold particles in the oxide.

The technical content of this press release and the results contained within have been verified by Mr. Jacques Marchand, certified NI 43-101 engineer geologist in charge of resource calculations.

Neither 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.

This news release contains statements that may constitute "forward-looking information" or "forward-looking statements" within the meaning of applicable securities legislation. This forward-looking information is subject to numerous risks and uncertainties, certain of which are beyond the control of Robex Resources Inc. ("Robex"). Actual results or achievements may differ materially from those expressed in, or implied by, this forward-looking information. Factors that could cause such differences, without limiting the generality of the following, include: volatility and sensitivity to market metal prices; impact of change in foreign currency exchange rates and interest rate; imprecision in reserves estimates; environmental risks including increased regulatory burdens; unexpected geological conditions; adverse mining conditions; political risks arising from operating in certain developing countries; changes in government regulations and policies, including laws and policies; failure to obtain necessary permits and approvals from government authorities; and other development and operating risks. No assurance can be given that any events anticipated by the forward-looking information will transpire or occur, or if any of them do so, what benefits that Robex will derive therefrom. Forward-looking information is based on the estimates and opinions of Robex's management at the time the information is released and Robex does not undertake any obligation to update publicly or to revise any of the forward-looking statements, whether as a result of new information, future events or otherwise, except as may be required by applicable securities laws.

    
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For further information: Investor relations/information: André Gagné, President and CEO, 418-527-5023, [email protected], Skype: andregagne1