Mumbwa Drilling Results
22 12월 2008 - 6:15PM
UK Regulatory
RNS Number : 5735K
Blackthorn Resources Ltd
22 December 2008
BLACKTHORN RESOURCES LIMITED
22 DECEMBER 2008
Mumbwa Drilling results
Blackthorn Resources Limited ("the Company" or "Blackthorn Resources") (formerly AIM Resources) is pleased to provide assay results
received from hole S36-005, drilled as part of the Mumbwa Phase 3 drilling programme in Zambia.
KEY POINTS
* Drilling intersected both copper and gold mineralisation in hole S36-005.
* Mineralised intervals identified with copper and gold values above the cut off include the following drilled thicknesses:
* 56 metres @ 0.26 % Cu between 120 and 176 metres,
* 11 metres @ 0.25 % Cu between 350 and 361 metres,
* 31 metres @ 0.29 g/t Au between 459 and 490 metres,
o including 8 metres @ 0.75 % Cu between 462 and 470 metres.
* Additional sampling is proposed to extend the sampled zones of this hole.
The Mumbwa Joint Venture ("JV") Project is being explored with 50:50 partner, BHP Billiton, for Iron Oxide Copper-Gold ("IOCG") style
mineralisation. Phase 3 drilling commenced in early 2008, and involved drilling 18 cored holes for a total of 8,000m, being fully funded by
Blackthorn Resources.
Interpreted drill intersections for hole S36-005 are presented below.
These reported intersections represent drilled thickness and are calculated based on "cut off" grades of 0.25% copper (Cu) and 0.25g/t
gold (Au). True width intersections were not quoted in these results as additional interpretation is required to correllate data from
adjacent drill holes.
Results for drillhole S36-005
* 2 metres @ 0.29 g/t Au between 84 and 86 metres.
* 2 metres @ 0.28 % Cu between 90 and 92 metres.
* 56 metres @ 0.26 % Cu between 120 and 176 metres,
o including 10 metres @ 0.27 % Cu between 120 and 130 metres,
o and 20 metres @ 0.32 % Cu between 140 and 160 metres,
o and 8 metres @ 0.32 % Cu between 168 and 176 metres.
* 1 metre @ 1.30 % Cu between 312 and 313 metres.
* 1 metre @ 0.38 % Cu between 324 and 325 metres.
* 1 metre @ 0.54 % Cu between 337 and 338 metres.
* 11 metres @ 0.25 % Cu between 350 and 361 metres.
o including 2 metres @ 0.44 % Cu between 350 and 352 metres.
o and 4 metres @ 0.33 % Cu between 357 to 361 metres.
* 1 metre @ 0.58 % Cu between 395 and 396 metres.
* 31 metres @ 0.29 g/t Au between 459 and 490 metres.
o including 2 metres @ 0.29 g/t Au between 459 and 461 metres.
o and 3 metres @ 0.33 g/t Au between 462 and 465 metres,
o and 2 metres @ 0.33 g/t Au between 468 and 470 metres,
o and 6 metres @ 0.41 g/t Au between 470 and 476 metres,
o and 6 metres @ 0.38 g/t Au between 480 and 486 metres.
o and including 8 metres @ 0.75 % Cu between 462 and 470 metres. *
* Denotes co-incident Au and Cu assay results above the cut off.
S36-005
Hole S36-005 yielded further encouraging results, which provide more evidence for the presence of a large IOCG mineralised system at
Mumbwa. These results represent assays from the 10th hole drilled from the 18 hole programme, and the Company is pleased to declare that 9
from 10 holes reported to date have revealed significant (greater than 10 metres) drilled intersections above the 0.25 % Cu cut off grade.
While the sampled zones have identified mineralisation along the drill hole, further examination of the core has identified other zones
which merit additional analysis, and further sampling of this hole is proposed.
Drillhole S36-005 is located on the western side of the target area, and situated approximately 600 metres north-northeast from hole
S36-001, drilled and reported in 2007 as part of the Phase 2 programme.
S36-005 was core drilled at an angle of 70 degrees towards the east (090 degrees), for an end of hole depth totalling 490 metres. It was
proposed to drill to 400 metres depth, however this hole was extended beyond the proposed end of hole depth. A total of 287 samples of drill
core and quality control samples were submitted for preparation and analysis by AH Knight Group.
Diagrams and table of results from hole S36-005 are available on the Company website www.blackthornresources.com.au.
ATTRIBUTION The information in this report which relates to Exploration
Results at the Mumbwa JV Project has been reviewed and approved
for release by Mr Michael J Robertson, MSc, Pr.Sci.Nat., MSAIMM
who has 20 years experience in mineral exploration, and who is a
full-time employee of MSA Geoservices, and has sufficient
experience in relation to the style of mineralisation and type
of deposit under consideration to qualify as a Competent Person
as defined by the "Australasian Code for Reporting of
Exploration Results, Mineral Resources and Ore Reserves" (The
JORC Code 2004 Edition) and as a Qualified Person under the AIM
Rules. Mr Robertson has consented to inclusion of this
information in the form and context in which it appears.
Note:
Gold and copper assays are performed by ISO/17025 accredited Alaska Assay Laboratories (a Member of the Alfred H. Knight Group) in
Alaska, using hot aqua regia atomic absorption spectroscopic (AAS) analyses for copper and conventional fire assay procedures with AAS
finish on 30g aliquots for gold. Multi-element inductively coupled plasma mass spectroscopic (ICP-MS) analyses are currently subcontracted
to ACME Analytical Laboratories Ltd in Vancouver.
A Quality Assurance/Quality Control (QA/QC) program forms part of the drilling, sampling and assay program on the Mumbwa Project. This
program includes chain of custody protocol as well as systematic submittal of certified reference materials, duplicates and blank samples
into the flow of samples produced by the drilling.
Should you require further information please contact:
Scott Lowe
Managing Director
Ph: + 61 2 9357 9000
Fiona Owen
Grant Thornton UK LLP
Ph: +44 20 7383 5100
www.blackthornresources.com.au
This information is provided by RNS
The company news service from the London Stock Exchange
END
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