AVINO'S SAN GONZALO VEIN YIELDS
93% SILVER RECOVERY BY BULK FLOTATION
Avino Silver & Gold Mines Ltd. ("Avino"or the "Company") is pleased to report that preliminary metallurgical
testing on a composite sample of San Gonzalo ore has been completed at SGS Minerals Services ("SGS"),
Durango, Mexico. The results indicate the silver and gold minerals will respond favourably to flotation with gold
recoveries of 89 to 90% and silver recoveries of 92 to 93%.
The results are extremely encouraging and the most favourable test conditions used in the lab are being used in
developing the design and configuring the plant process flowsheet that is currently underway. In addition, the
information derived from the lab work is also being used to support of permitting applications that are also
Samples used in preparing the metallurgical test composite consisted of the assay rejects from the vein intercepts
of diamond drill holes SG-07-03, SG-07-13, SG-07-22, SG-07-24, SG-07-25 and SG-07-31. (See Avino's
website at www.avino.com for the location of these drill holes). In total, there were 22 assay reject samples
weighing approximately 25kg that were used in preparing the overall test composite.
Head assays of the overall test composite as reported by SGS are as follows:
A total of 5 flotation tests were performed. The first 3 tests were performed at different grinds and the remaining
two tests were done using the best grind from the first set of tests and changing one of the flotation chemicals.
No cleaning of the rougher/scavenger flotation was done pending feedback from potential buyers of the silver rich
The grind series of tests showed a medium fine grind of 80% passing 150mesh provided the best results. Gold
and silver recoveries were 89% and 92% respectively. In addition the recoveries of lead zinc and copper were
71%, 76% and 90% respectively. The grade of the combined concentrate was 19.7g Au/t, 3967g Ag/t, 2.0%
Pb, 5.4% Zn and 1% Cu. The mass pull