AIM: KEFI
8th August 2013
KEFI Minerals Plc
("KEFI" or the "Company")
EXPLORATION UPDATE
CoNTINUED EXPANSION OF MINERALISATION AT JIBAL QUTMAN
KEFI Minerals, the AIM-quoted gold and copper exploration company with projects
in the Kingdom of Saudi Arabia, is pleased to announce additional trench
channel sampling and drilling results from the second drilling programme, and
results from metallurgical testwork at the Jibal Qutman Licence. KEFI is the
operator for the project under the Company's 40%-owned Gold & Minerals Joint
Venture ("G&M").
HIGHLIGHTS
* Third drill rig now in operation at Jibal Qutman
* On-going drill and trench results continue to expand the mineralisation on
all four drilled deposits at Jibal Qutman with best RC drill results of 16m
at 4.3 g/t Au, 10m at 3.51g/t Au, 12m at 2.9g/t Au, 25m at 1.27g/t Au and
47m at 0.94g/t Au.
* On-going metallurgical testwork indicates encouraging gold recoveries of
92% to 96% from oxides, 81% from transitional and 68% from sulphide
mineralisation at Jibal Qutman.
Jeff Rayner, Managing Director of KEFI Minerals, commented:
"We are delighted that our ongoing programme continues to highlight the scope
of the Jibal Qutman project. We are building on a strong set of drill results
achieved to date and with the third rig up and running we look forward to an
accelerated programme. The rapid progress at Jibal Qutman is pleasing and
serves to highlight our belief in the region as whole."
JIBAL QUTMAN PROJECT
Drilling & Trenching
A third RC drill rig mobilised from the UK has commenced drilling at the Jibal
Qutman project boosting the drilling productivity which had slowed due to the
combined heat of the summer and the Holy Ramadan period.
Encouraging results have been returned from the ongoing RC and trench sampling,
which is supporting the current interpretation and expanding the mineralisation
in the four drilled zones; Main, South, West and 3K Hill, at Jibal Qutman.
Furthermore, a backlog of assay data from 20 drilled RC holes from the assay
laboratory is yet to be received and compiled.
Drilling has commenced at 3K Hill to test beneath the trench results previously
announced in June 2013 which included 80m at 1.88g/t Au, 40m at 4.40g/t Au and
41m at 1.56g/t Au. To date 97 RC holes have been completed on a 50m x 40m grid.
Results have been received from 77 drill holes with best intercepts being 16m
at 4.3g/t Au and 25m at 1.27g/t Au.
At the West Zone, RC drilling continues on the 50m x 40m grid, new
mineralisation has been discovered at depth along the western edge of the Zone
and the deposit is still open to the north and south. Best intercepts include
10m at 3.51 g/t Au, 12m at 2.90 g/t Au. 9m at 2.90g/t Au and 47m at 0.94g/t Au
(see Table below).
Hole No From To (m) Interval Au g/t Zone
(m) (m)
JQRC043 65 75 10 0.74 west
79 85 6 0.42 west
JQRC045 0 47 47 0.94 west
58 63 5 0.44 west
68 80 12 2.9 west
86 93 7 0.61 west
95 104 9 0.41 west
JQRC047 62 71 9 2.05 west
JQRC053 48 58 10 3.51 west
JQRC054 62 66 4 0.57 west
69 73 4 0.74 west
JQRC055 0 16 16 4.3 3KHill
JQRC056 28 32 4 1.41 3KHill
35 38 3 0.6 3KHill
JQRC057 0 10 10 0.68 3KHill
12 20 8 0.95 3KHill
JQRC059 0 16 16 0.81 3KHill
JQRC060 26 34 8 1.03 3K Hill
JQRC079* 20 45 25 1.27 3K Hill *Preliminary
results only.
Trenching has also continued on the prospect, to date 207 trenches have been
excavated, with best results not released previously tabled below, including
results from two new prospects; the East Veins, which are located immediately
east of the South Zone, and the 5K Hill prospect, which is 2km north of the 3K
Hill. Best results are shown below, which include high grade intercepts of 6m
at 4.14g/t Au, 1m at 6.19g/t Au and 4m at 6.38g/t Au at the East Veins.
Trench From To (m) Interval Au g/t Zone
No (m) (m)
JQT001 53 60 7 1.94 Main
JQT004 0 5 5 0.76 3KHill
19 32 13 1.03 3KHill
JQT005 26 29 3 0.93 3KHill
32 36 4 0.5 3KHill
41 59 18 0.51 3KHill
74 81 7 0.62 3KHill
JQT141 53 59 6 4.14 East
70 71 1 6.19 East
JQT144 18 19 1 2.59 East
JQT150 36 40 4 0.69 East
JQT151 13 18 5 0.55 East
JQT152 64 66 2 0.98 East
JQT155 37 40 3 1.1 East
JQT156 6 7 1 2.24 East
JQT157 7 9 2 3.95 East
JQT167 16 20 4 6.38 East
JQT173 12 15 3 0.83 5KHill
46 48 2 0.53
JQT175 20 24 4 0.93 5KHill
Metallurgical Testwork:
Standard CIL bottle roll tests (Carbon in Leach) are designed to provide an
initial indication of gold recoveries by standard CIP & CIL treatment of ore
from the Jibal Qutman prospect in Saudi Arabia.
Preliminary testwork has returned excellent results with high gold recoveries
of;
* 94.9% and 96.4% by cyanidation of ground ore from two composite drill
samples representing the West Zone oxide mineralisation;
* 92.5% from one composite drill sample representing the South Zone oxide
mineralisation;
* 80.5% and 81.5% from two composite drill samples representing the West Zone
transitional mineralisation; and
* 68.1% from one composite drill sample representing the deeper West Zone
fresh mineralisation.
While not definitive, this metallurgical test work suggests that the oxide,
transitional and primary mineralisation from the Jibal Qutman prospect can be
treated successfully with standard CIP processing methods. In addition, further
assessment of the potential for recovering gold by heap leach from oxidised ore
is warranted.
These results were achieved by standard CIL bottle roll tests on ore ground to
75 microns. Further metallurgical testwork to optimise recovery on the
transitional and primary mineralisation is underway. Additional metallurgical
testwork to test amenability to Heap Leach will be carried out as and when
updated JORC resources are calculated on these Prospects.
-Ends-
Enquiries
KEFI Minerals Plc
Jeffrey Rayner +90 533 928 1913
Fox-Davies Capital
Susan Walker +44 203 463 5028
Bishopsgate Communications
Nick Rome +44 20 7562 3395
References in this announcement to exploration results and mineral
resourceshave been approved for release by Mr. Jeffrey Rayner. Mr Rayner is a
geologist and has more than 25 years' relevant experience in the field of
activity concerned. He is a Member of the Australasian Institute of Mining and
Metallurgy (AusIMM) and has consented to the inclusion of the material in the
form and context in which it appears.
KEFI' Strategic Plan in the Kingdom of Saudi Arabia
Ä°n 2009, KEFI formed the Gold and Minerals Joint Venture ("G&M") in Saudi
Arabia with local Saudi partner Abdul Rahman Saad Al-Rashid & Sons Company
Limited ("ARTAR"), to explore for gold and associated metals in the Arabian
Shield. To date, the G&M has conducted preliminary regional reconnaissance and
lodged 23 Exploration Licence Applications (ELAs), of which 4 have been
granted.
The ELAs were initially applied for and granted to ARTAR. Incorporation of G&M
has been completed and any granted Licences will be transferred into G&M in due
course.
The Kingdom of Saudi Arabia has instituted policies to encourage minerals
exploration and development and KEFI Minerals supports this priority by serving
as the technical partner within G&M. ARTAR also serves this Government policy
as the major partner in G&M, which is one of the early movers in the modern
resurgence of the Kingdom's minerals sector.
Further information on KEFI is available at www.kefi-minerals.com
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