The following is from Phillip Capital Overview as posted on the...

The following is from Phillip Capital Overview as posted on the company website, I think it pretty much covers the recovery question,

"Since commencing production recovery rates have dropped from 90% in September quarter to 79%
in the March quarter. This is compared to a design rate of ~93%. The main issue has been the high
proportion of oversize material.

With the Boundary ore currently the main feedstock the rate of oversize material has increased to
~50%, additionally the silver grade in the oversize material is up to 2.5x the grade in the finer sized
ore. This means that a high proportion of the silver that is being mined is being sent to the oversize
stockpile. Recent estimates put the silver in the stockpile at ~400,000oz.
By installing a ball mill the oversize material will be able to be processed. The company believes that
this should lead to an increase in production near nameplate design."
http://ccrlimited.com.au/wp-content/uploads/2013/06/Phillip-Capital_CCU_150513.pdf