OREAS 10P

The material used to produce gold ore standard OREAS 10P was obtained from the Wonga mine in Stawell, west-central Victoria. It consists of a quartz-sericite-carbonate schist assemblage containing approximately 2% sulphides, mainly arsenopyrite and pyrite. Some of the gold is refractory in occurrence, being hosted by arsenopyrite.

Analyte Certified Value 1SD 95% Confidence Limits Low 95% Confidence Limits High Method
Au, Gold (ppm) 6.81 0.240 6.70 6.92 Pb Fire Assay
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