Sunrise Diamonds PLC
21 February 2008
www.sunrisediamonds.com
21 February 2008
SUNRISE TO RECEIVE MICRODIAMOND RESULTS WITHIN DAYS FROM THREE KIMBERLITES IN
FINLAND
• Processing Of Samples In South Africa Has Taken Longer Than Expected
• Several Further Kimberlite Targets To Be Drill Tested In March
• Targets 295, 298 And Kalettomanpuro Kimberlite Scheduled For Follow Up
Work
__________________________________________________________________________
Sunrise Diamonds plc ('Sunrise' or 'the Company') will be providing the
following update on its exploration activities in Finland at its AGM later
today.
Sunrise holds, or is earning an interest in 17 of the 25 known kimberlites in
the Kaavi-Kuopio and adjacent areas of Central Finland and has discovered seven
kimberlites in a new cluster in the Kuusamo area of Northern Finland.
Three of the kimberlites bodies in the Kaavi-Kuopio area have been shown by bulk
sampling to have grades between 15 and 26 carats per hundred tonnes. Whilst
individually these pipes may be too small for development, they may have
commercial potential to provide feed for a central processing plant and so work
in this area has focused on the evaluation of other known pipes and the
discovery of new kimberlites.
In late 2007 the Company completed drilling programmes on three priority
kimberlites 10, 14 and 17 where grade evaluation was previously considered to be
inadequate. The samples collected - approximately 200kg from each of the
kimberlites - were processed for microdiamond evaluation following extraction by
caustic dissolution of the kimberlite matrix. Processing of the samples
generated larger than normal amounts of dissolution residues which took longer
than expected to pick for microdiamonds and to carry out appropriate re-picking
for quality control. Results are now expected next week.
In January and February the Company completed ground geophysical surveys over
several new targets in the Kaavi-Kuopio area generated from a detailed review of
the BHP Billiton regional geophysical database. The survey results are currently
being interpreted and a number of land-based kimberlite targets are scheduled
for drill testing in March.
The Company's winter drilling programme was scheduled to include drill testing
of a number of kimberlite targets underneath the lake systems that cover much of
the Kaavi-Kuopio area, including Kimberlite 22 where previous grade evaluation
was also inadequate. Unfortunately the weather has, so far, been very mild and
insufficient ice thickness has developed to allow drilling operations to proceed
safely. Sufficient ice thickness may yet develop this season but this is
becoming less likely and drill testing of these particular lake targets may need
to wait for 12 months.
Additional work scheduled by the Company includes further trenching of gravity
anomalies on Target 295 where kimberlite boulders and a microdiamond have been
found in till and also ground geophysics over potential source areas for the
microdiamond rich boulders found at Target 298. Work at the latter has been
hampered by complex glacial dispersion patterns and it is possible, but by no
means certain, that the kimberlite boulders are derived from a known kimberlite
several kilometres away. If so, the prospectivity of this potential source
kimberlite, which also lies within the Nordic JV claims, is enhanced.
Further work is also scheduled for the Kuusamo area, in particular to trace the
extent of the Kalettomanpuro Group II kimberlite which has attractive diamond
indicator mineral chemistry.
Further details on the Company's projects will be given in a presentation to the
Annual General Meeting later today and this will shortly be available on the
Company's website.
Further information:
Patrick Cheetham, Sunrise Diamonds plc. Tel: +44 (0)1625-505947.
Mobile: +44(0)7767 458751
Ron Marshman/John Greenhalgh, City of London PR Limited. Tel: +44(0)20-7628-5518
Brett Miller/Roxane Marffy, Ruegg & Co Limited. Tel: +44(0) 20 7584 3663
This information is provided by RNS
The company news service from the London Stock Exchange
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