I couldn't find it when I posted it but here is the reason I believe the cobalt to be a lot higher even 1% could be called cconservative
Walford Creek potential
In 1989, WMC discovered the Walford Creek zinc-lead deposit. Exploration included
airborne EM/magnetics, a gravity survey, Sirotem EM, rock chip/soil sampling and
16.1km of drilling, consisting of 51 diamond core and 42 percussion holes on lines at
400m and 800m intervals over 4km of the 10km-long anomaly. The drilling made
several ore-grade Zn-Pb intersections, with the strongest 7.5m at 6.6% Zn, 9.2% Pb
and 124g/t Ag.
CSE.s initial drill programme at Walford Creek tested the copper potential of the
discordant, sub-vertical, 25m- to 100m-wide zone adjacent to the Fish River Fault
where the previous widely spaced drilling of the 4km-long Walford Creek zinc-lead
deposit by WMC intersected narrow zones of plus 1% Cu (2m at 8.2% Cu, 5m at
3.8% Cu) within broader envelopes of lower-grade mineralisation (eg, 26m at 0.96%
Cu).
CSE defined an inferred resource of 6.5Mt at 0.6% Cu, 1.6% Pb, 2.1% Zn, 25g/t Ag
and 0.07% Co in four separate bodies within a strike length of 3km along the Fish
River structure. About half of the resource lies in the easternmost body, which is
open in several directions, while the other three bodies are now completely closed
off. The grade of cobalt . 0.07% . is also suspect. About 75% of the holes at Walford
Creek were not analysed for cobalt and a zero value was assigned to them in
calculating the resource grade.
Walford Creek is a remote location. The objective of future work is expected to be
directed to increasing the resource base and refining the grade estimates.
The key being of 75% of drill holes where not analized for cobalt sorry not to include this all in one post
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