gravity extraction

gravity extraction

The extraction of cargoes from the aircraft by influence of their own weight. See also extraction parachute.
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Gold is coarse which results in a statistical nugget effect, however, recent metallurgical results indicate that gold readily liberates from the quartz vein material with over 97% of gold recovered using simple gravity extraction methods (refer release 05/09/2012).
There is no guarantee that the tenor or continuity of the resource target discussed herein will ultimately prove to be as delineated in the Company's sampling program, nor that the yields obtained by production scale gravity extraction will be comparable to the yields produced in the sampling program.
The latest metallurgical results reinforce the potential for a low capital expenditure and a low cost mining operation using extremely simple gravity extraction methods.
Michael Chaffee, CEO & President of Western Sierra Mining, commented, "When this agreement is signed, Western will have not only acquired any values contained in the mines but private land to construct a hard-rock gravity extraction facility to provide a central location to mill free gold from other mines the company owns nearby.