Metallurgical tests indicate the leachability
of this resource (+80% in the Main and Marble Contact Zones and -90% in the Manganese Mine Zone).
is the percentage of the sample comprising leachable copper, which is the sum of the acid soluble copper and cyanide soluble copper (cyanide is used as an indicator of the potential for dissolution of secondary sulphides by bacterial leaching).
A recent study showed that a combination of boric acid with linseed oil has good potential for increasing boron retention, reducing leachability
, and improving efficacy of the product against termites (Lyon et al.
The results confirm the leachability
estimates from the drill assay results and provide initial insights into operating metallurgical recoveries and acid consumption rates.
Effects of glycol on leachability
and efficacy of boron wood preservatives.
Metallurgical tests of material from the oxide zone indicate the leachability
of the resource (+80% in the Main and Marble Contact Zones and +90% in the Manganese Mine Zone).
While the leaching procedure followed the AWPA standard, it would also be desirable to test the leachability
of CCMo- and CCW-treated samples in different media, such as seawater or artificial seawater.
Cyanide-leachable tests of material from the oxide zone indicate the leachability
of some of the resource (+80% in the Main and Marble Contact Zones and +90% in the Manganese Mine Zone).
of borate-modified oriented strandboard: A comparison of zinc and calcium borate.
This work has included: a 32,189 meter, 114 hole drill program to delineate the resource; a metallurgical test program that to date has completed leachability
test work on all of the drill assays, bottle roll testing to confirm leachability
and drilling eight representative large diameter core holes for bulk column test work; and a preliminary leaching facility layout study has been completed with the assistance of Vector Engineering.
A relative assessment of leachability
can be determined from laboratory leaching experiments (Zhang and Kamdem 1999).
Assay and leachability
results for the final 32 holes and hole locations are shown on the attached table and map.