Commander Commences Work on Storm Copper Property
June 29 2011 - 12:41PM
Marketwired Canada
Commander Resources Ltd. (TSX VENTURE:CMD) reports that it has signed a contract
with Geotech Ltd. to complete a detailed airborne VTEM survey over Commander's
wholly-owned Storm property. The contract will cover approximately 5,000 line
kilometres over an area of 350 km2. The survey will commence in the first week
of July and take about three weeks to complete. Spacing of flight lines will
initially be at 150 metres with infill spacing at 75 metres in order to provide
good resolution for follow-up examination.
The VTEM survey will be used to identify the EM signature of the zones of known
copper mineralization and to carry this information to other areas down dip,
along strike and hopefully to, as yet, undiscovered zones. The nature of
mineralization and of the host rocks, as well as the structural setting, makes
them ideal for a VTEM survey. Follow up field work and a drill program will be
implemented during 2012.
The Storm property was initially discovered in the 1990's by Teck Resources
(formerly Cominco Ltd.) and explored between 1995 and 2000. A small portion of
the property, approximately 5 km2, received considerable attention, with
detailed geochemical and drilling investigations. To date, 52 holes have been
drilled in this area of interest, with 28 holes returning copper mineralization.
Four zones of copper mineralization have been identified, outcropping at surface
and extending to depths of at least 100 metres. These are located within 16 - 20
kilometres of tidewater.
The 4100N zone, the largest discovered, contains a consistent interval of copper
mineralization starting at a depth of about 50 metres from surface, based on 17
widely spaced diamond drill holes. The zone extends over an area of at least
1000 metres x 400 metres and remains open. The 2750N zone is a pipelike breccia
body that extends to depths in excess of 100 metres. Examples of drill
intersections from the 4100 and 2750 zones are highlighted in the following
table:
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Grade
Zone Drill Hole Intersected Width (m) Cu %
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4100N ST 99-47 17.20 3.50
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Including 11.00 4.90
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----------------------------------------------------------------
ST 00-62 52.60 1.14
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Including 7.30 2.41
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----------------------------------------------------------------
ST 97-13 71.70 1.01
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--------------------------------------------------------------------------
2750N ST 97-8 105.00 2.92
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Including 53.00 5.09
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----------------------------------------------------------------
ST 97-9 24.60 2.65
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----------------------------------------------------------------
ST 99-19 58.40 3.10
----------------------------------------------------------------
Including 13.30 9.56
----------------------------------------------------------------
----------------------------------------------------------------
ST99-43 35.50 1.00
----------------------------------------------------------------
----------------------------------------------------------------
ST99-47 13.70 4.20
----------------------------------------------------------------
----------------------------------------------------------------
ST00-62 52.60 1.14
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Also of interest is the 3500N zone, which is exposed at surface over a 300 metre
strike length. Limited drilling in 1999 returned encouraging results.
The copper mineralization discovered previously is exposed over a 7 km portion
of a 30 km long structural corridor. Mineralization occurs as stratabound bodies
and as large-scale fault-related high-grade breccia structures. The contact
between the host Allen Bay and overlying Cape Storm formations appears to be
favourable for mineral deposition. The most prominent feature on the property is
a 7 km long block fault (graben) structure. This graben may hide offset portions
of the known mineralization or new zones. There has been very little
investigation carried out along strike or down dip beneath the cover of the Cape
Storm formation. Drilling has been conducted only to a shallow depth in a few
areas. The detailed airborne survey will be able to map structures to depth, and
identify new anomalous zones that can be targeted for an aggressive drill
program in 2012. Most of the mineralization found to date has been in the form
of chalcocite, bornite and native copper. With higher prices now being used for
the evaluation of copper projects (compared to prices used in the 1990's) the
model being pursued is for a higher tonnage, lower grade copper resource at
depth.
The area covered by Commander's concessions also hosts the Seal Zinc mineralized
zone, located on tidewater at Aston Bay. Previous drilling indicates that there
is potential for a resource in the 2 million tonne range with grades of
approximately 8% Zn and 28 g/t Ag.
The 2011 exploration program is being supervised by Mr. Steve Potts, P. Geo,
V.P. of Exploration for Commander Resources. Mr. Potts is the Qualified Person
under NI 43-101 and has reviewed and approved the technical content of this
release.
On behalf of the Board of Directors,
Eric Norton
President & CEO
Shares Issued: 99,442,548
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