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Aug 07, 2011 04:20PM
Large Mineral Resource: 5.5 Moz PGM+Au, 2.9 B lbs Ni+Cu (M&I) with 13.8 Moz PGM+Au, 7.0 B lbs Ni+Cu (Inferred)
http://www.prophecyplat.com/pdf/2011_07_wg_tech.pdf
Cu Project, Yukon, Canada
1 7 . 0 I N T E R P R E T A T I O N A N D C O N C L U S I O N S
The Property is ideally situated, hosting approximately 10 km of strike length and
22.1 km
2
of the Quill Creek Ultramafic intrusion. The Quill Creek Ultramafic intrusion
is one of several ultramafic intrusions found within the Wrangellia terrane.
The Property is currently held 100% by Prophecy, which has entered into a business
arrangement with Pacific Coast whereby Pacific Coast will acquire the Wellgreen
property from Prophecy Platinum.
The Quill Creek Ultramafic intrusion has similar characteristics to the Noril’sk deposit
in Russia, containing zones and layered mineralized of massive, semi-massive and
disseminated nickel-copper sulphides with elevated PGE, associated with the
sulphides.
Two main zones of mineralization have been drill outlined on the Property; the East
Zone and the West Zone. The highest grade mineralization in the East Zone occurs
in massive sulphide pods and lenses along the base of the ultramafic body, whereas
the best grades in the West Zone are found in inter-digitated gabbro and
clinopyroxenite. A total of 171,652 tons assaying 2.23% Ni, 1.39% Cu, 0.065
oz/ton Pt and 0.073% Co were mined and milled in 1972 and 1973 by HudsonYukon.
The Wellgreen property database is relatively up to date with the current results of
the 2010 drilling program. In general, the twin hole drilling program completed by
Coronation was successful in confirming past results, therefore, Wardrop is of the
opinion that using the historic drilling is appropriate for any future resource estimate
although some additional analysis would be required before a definitive conclusion
can be reached.
The 2010 Prophecy drilling confirmed the presences of a substantial mineralized
system located in the hanging wall of the semi-massive sulphide pods previously
targeted as the Wellgreen deposit.
The resource estimation at a 0.4% Nieq cut-off resulted in an Indicated Resource of
14.3 million tonnes at grades of 0.69% Ni, 0.62% Cu and 2.25 g/t Pt+Pd+Au. An
additional Inferred Resource of 289.3 million tonnes at grades of 0.38% Ni, 0.35% Cu
There is good potential to expand the potential quantity and grade of mineralization
on the Property to cover the entire Quill Creek Ultramafic intrusive. The Quill Creek
intrusive has been outline by an aeromagnetic survey and drilling on the adjacent
Burwash claims held by Prophecy Platinum and indicates that the mineralizing
system has the potential to continue along the entire strike length of the intrusion,
which is in excess of 10 km of strike length.
Exploration to date has concentrated on the lower gabbroic section of the ultramafic
body. Recent exploration has concentrated on the evaluation of the potential of the
Property to host larger, but lower grade, tonnages of PGM enriched nickel-copper
mineralization for potential open pit extraction. The occurrences of higher grade
pockets of semi-massive sulphides (>1% Cu and Ni and >2 g/t Pt) as historically
mined by Hudson Yukon are expected to continue to be located through exploration
efforts. These higher grade pockets, although not continuous, could be targeted in a
potential open pit operation in order to accelerate the project’s pay back.
A large portion of the drill data set does not include platinum, palladium assay, as
well as the rhodium, ruthenium, rhenium, iridium, and osmium, which would potential
enhance any sort of economic evaluation of the Property.
Wardrop believes further exploration is warranted to advance the project towards a
PEA