Oracle Power PLC (AIM:ORCP) reported improved gold recovery of up to 94.7% from further metallurgical testing on three samples from its Northern Zone gold project in Western Australia.
Results from cyanidation bottle roll tests indicated an average gold recovery of 88% over 12 hours and 92.9% on average over 24 hours can be achieved from the three samples.
Earlier testing, announced last week, indicated gold recoveries of 83.3% within six hours and up to 90.4% over 72 hours.
READ: Oracle Power reports positive metallurgical results from Northern Zone gold project
The latest results used a set of conditions/parameters (kinetics) based on the previous result, but changed to improve recoveries, with a maximum individual recovery from one of the samples achieving 94.7% after 24 hours, said the AIM-traded company.