Measured and Indicated Ounces increase 104% to 1,020,000
ounces at 1.32g/t Au at a 0.5g/t Au Cut off
TSX-V Trading Symbol: HRC Toll Free: +1
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E-mail: info@helioresource.com Website:
www.helioresource.com
VANCOUVER,
Feb. 14, 2012 /PRNewswire/ - Helio
Resource Corp (TSX-V: HRC) is pleased to report that it has
received an independent NI 43-101 compliant updated Mineral
Resource estimate for the SMP Gold Project in Tanzania, effective date February 10th, 2012.
The estimate was completed by SRK Consulting
(Australia) Pty. Ltd., of
Perth, Australia (SRK). This is an
update on the maiden Mineral Resource for the SMP Gold Project,
previously reported in the Company's press release dated
November 30, 2010. As required,
the full NI 43-101 technical report will be published within 45
days of this news release
Highlights from the Resource
Memorandum:
- SRK recommend the use of the 0.5g/t Au cut off grade when
evaluating the Mineral Resource.
- Measured and Indicated Mineral Resources of 1,020,000 ounces
at 1.32g/t Au plus an Inferred Mineral Resource of 240,000 ounces
at 1.05g/t Au at a cut-off grade of 0.5g/t. Compared to the
maiden Mineral Resource estimate, these figures represent a 104%
increase in metal in the Measured and Indicated category, and an
11% decrease in metal in the Inferred category.
- Robust resource - at a 0.9g/t Au cut-off the Measured and
Indicated Mineral Resources are 860,000 ounces at 1.54g/t Au and
the Inferred Mineral Resources are 170,000 ounces at 1.33g/t
Au.
- The resource is open along strike and at depth in all
targets.
- Initial Whittle pit optimisation for Porcupine and Kenge
indicates that a total of 890,000 ounces (approximately 87% of
their Measured and Indicated Mineral Resources) are included within
the pit shells.
Porcupine Target
- Some recent shallow drill intersections of higher grade
mineralisation at Porcupine (e.g. 7.4m at 6.1g/t Au) could not be
confidently correlated with the main bodies of mineralization, and
therefore were not included in the resource, but these
intersections represent excellent potential to add higher grade
material to the resource with further drilling.
- Additionally, the deepest drilled intercepts at Porcupine
(53m grading 2.9g/t Au and 28m grading 5.1g/t Au) demonstrate the
strong potential to add ounces at depth, beneath the current
resource.
Konokono and Tumbili Targets
- Only 4% of the resource comes from the Konokono and Tumbili
targets. The ounces from these targets are completely new to
the resource base and represent only 100-150m of strike length at
each of those targets. In addition, mineralisation at these targets
outcrops at surface, and all drilling to date has focussed on
mineralisation within 50m of surface.
- Recent drill testing of the Konokono and Tumbili targets
indicate a strike length potential of 3,200m, implying excellent
potential to significantly increase the resource base in these
areas.
The following table summarizes the Mineral
Resource estimate (all contained gold values are rounded to the
nearest 10,000 ounces):
Cut off grade
(g/t Au) |
Resource
Classification |
Mean grade
(g/t Au) |
Tonnes
(Millions) |
Contained Gold
('000 oz) |
0.3 |
Measured |
1.38 |
14.8 |
660 |
0.3 |
Indicated |
1.20 |
9.5 |
370 |
0.3 |
Measured+Indicated |
1.31 |
24.3 |
1,020 |
0.3 |
Inferred |
0.97 |
8.3 |
260 |
|
|
|
|
|
0.5 |
Measured |
1.38 |
14.8 |
660 |
0.5 |
Indicated |
1.22 |
9.2 |
360 |
0.5 |
Measured+Indicated |
1.32 |
24.1 |
1,020 |
0.5 |
Inferred |
1.05 |
7.2 |
240 |
|
|
|
|
|
0.7 |
Measured |
1.44 |
13.8 |
640 |
0.7 |
Indicated |
1.30 |
8.2 |
340 |
0.7 |
Measured+Indicated |
1.39 |
21.9 |
980 |
0.7 |
Inferred |
1.18 |
5.7 |
210 |
|
|
|
|
|
0.9 |
Measured |
1.60 |
10.9 |
560 |
0.9 |
Indicated |
1.43 |
6.4 |
300 |
0.9 |
Measured+Indicated |
1.54 |
17.3 |
860 |
0.9 |
Inferred |
1.33 |
4.0 |
170 |
SRK recommend the use of the 0.5g/t Au cut off
grade when evaluating the resource. The estimate was prepared
using the following estimation strategy and assumptions:
- The drilling was conducted between 2006 and 2011 and consists
of both Diamond and Reverse Circulation (RC) drilling completed by
Helio;
- The sample preparation and assaying took place at SGS
laboratories in Tanzania;
- The database was reviewed by SRK using statistical and
geostatistical studies. This database was considered acceptable for
the estimate;
- The estimation was carried out in Isatis software using a
combination of 2D and 3D Ordinary Kriging; and
- Classification of the Mineral Resource Estimate was based on
the drilling density, estimation quality, confidence in the data
and confidence in the geological model.
On a target by target basis, the Mineral
Resource is reported as follows:
Porcupine Target Mineral
Resource Estimate |
Cut off grade
(g/t Au) |
Resource
Classification |
Mean grade
(g/t Au) |
Tonnes
(Millions) |
Contained Gold
('000 oz) |
0.3 |
Measured |
1.35 |
12.3 |
530 |
0.3 |
Indicated |
1.16 |
3.1 |
120 |
0.3 |
Measured+Indicated |
1.31 |
15.4 |
650 |
0.3 |
Inferred |
0.85 |
3.6 |
100 |
|
|
|
|
|
0.5 |
Measured |
1.35 |
12.3 |
530 |
0.5 |
Indicated |
1.16 |
3.1 |
120 |
0.5 |
Measured+Indicated |
1.31 |
15.4 |
650 |
0.5 |
Inferred |
0.89 |
3.3 |
90 |
|
|
|
|
|
0.7 |
Measured |
1.41 |
11.3 |
510 |
0.7 |
Indicated |
1.19 |
2.9 |
110 |
0.7 |
Measured+Indicated |
1.37 |
14.3 |
630 |
0.7 |
Inferred |
1.01 |
2.3 |
70 |
|
|
|
|
|
0.9 |
Measured |
1.61 |
8.6 |
440 |
0.9 |
Indicated |
1.32 |
2.2 |
90 |
0.9 |
Measured+Indicated |
1.55 |
10.8 |
530 |
0.9 |
Inferred |
1.15 |
1.4 |
50 |
Kenge Target
Mineral Resource Estimate |
Cut off grade
(g/t Au) |
Resource
Classification |
Mean grade
(g/t Au) |
Tonnes
(Millions) |
Contained Gold
('000 oz) |
0.3 |
Measured |
1.51 |
2.6 |
120 |
0.3 |
Indicated |
1.22 |
6.3 |
250 |
0.3 |
Measured+Indicated |
1.30 |
8.9 |
370 |
0.3 |
Inferred |
1.07 |
3.2 |
110 |
|
|
|
|
|
0.5 |
Measured |
1.51 |
2.6 |
120 |
0.5 |
Indicated |
1.25 |
6.1 |
250 |
0.5 |
Measured+Indicated |
1.33 |
8.7 |
370 |
0.5 |
Inferred |
1.28 |
2.5 |
100 |
|
|
|
|
|
0.7 |
Measured |
1.55 |
2.4 |
120 |
0.7 |
Indicated |
1.36 |
5.2 |
230 |
0.7 |
Measured+Indicated |
1.42 |
7.7 |
350 |
0.7 |
Inferred |
1.45 |
2.0 |
90 |
|
|
|
|
|
0.9 |
Measured |
1.59 |
2.3 |
120 |
0.9 |
Indicated |
1.49 |
4.2 |
200 |
0.9 |
Measured+Indicated |
1.53 |
6.6 |
320 |
0.9 |
Inferred |
1.55 |
1.7 |
90 |
Konokono Target
Mineral Resource Estimate |
Cut off grade
(g/t Au) |
Resource
Classification |
Mean grade
(g/t Au) |
Tonnes
(Millions) |
Contained Gold
('000 oz) |
0.3 |
Inferred |
1.06 |
1.0 |
30 |
0.5 |
Inferred |
1.06 |
1.0 |
30 |
0.7 |
Inferred |
1.09 |
0.9 |
30 |
0.9 |
Inferred |
1.25 |
0.6 |
20 |
Tumbili Target
Mineral Resource Estimate |
Cut off grade
(g/t Au) |
Resource
Classification |
Mean grade
(g/t Au) |
Tonnes
(Millions) |
Contained Gold
('000 oz) |
0.3 |
Inferred |
0.99 |
0.5 |
10 |
0.5 |
Inferred |
0.99 |
0.5 |
10 |
0.7 |
Inferred |
0.99 |
0.5 |
10 |
0.9 |
Inferred |
1.08 |
0.3 |
10 |
A plan map showing the locations of the Porcupine, Kenge,
Konokono and Tumbili resource areas is represented in the following
link: http://www.helioresource.com/i/maps/2012-02-14_NRM1.pdf
All drilling targets are open along strike and
at depth. Helio has confirmed mineralisation at each of the
Konokono and Tumbili targets over 1.5km+ strike lengths at 200 -
300m drillhole spacing (see Helio press releases dated January 17, 2012 and January 10, 2012, respectively). However,
only a small proportion (10%) of the strike extents of each target
has been sufficiently drilled to allow for the calculation of an
NI43-101 compliant resource. The Company therefore sees
excellent potential to quickly increase the size and grade of the
resource base.
Helio also sees the potential to add further
resource ounces in the near term at the Gap target, where drilling
at 100m spacing has likewise confirmed continuity of mineralisation
over a 1km strike length, but current drill spacing is insufficient
to allow a resource to be estimated.
Whittle Pit Optimisation
Whittle pit optimisation was conducted on the
Kenge and Porcupine Mineral Resource block models by Duncan Pratt of SRK. The parameters of the
study, as specified by Helio, are as follows:
- A gold price of $1,450 per ounce
was used (low end range of gold price used by African Barrick for
the recent Tusker resource update ($1,400 / ounce), and AngloGold Ashanti for the
Tropicana resource ($1,600 /
ounce)
- Gold recovery rate of 95% as per metallurgical work completed
by Lakefield on mineralised drill
core from both the Porcupine and Kenge resource areas (full reports
found at http://www.helioresource.com/s/TechnicalReports.asp)
- Pit slope angle of 55° - there is no oxide
mineralisation, and the enclosing wallrock is competent granite and
diorite;
- The modelling indicated 600koz Au at 1.21g/t Au are recoverable
at a strip ratio of 1:5.2 for Porcupine. At Kenge, the
results indicate 290koz grading 1.30g/t Au are recoverable at a
strip ratio of 1:4.8.
The Mineral Resource Estimate for the SMP was
completed by Qualified Person Robin Simpson (MSc, MAIG) of SRK
Consulting (Australia) Pty. Ltd.
who has provided written permission for the release of this
resource estimate in the form and context in which it is provided
here. The Company will issue a NI 43-101 compliant technical report
for this resource within 45 days of the date of this news release.
Helio has informed SRK that there are no known environmental,
socio-political, marketing or other relevant issues that may
materially affect the mineral resource estimate.
Helio's CEO, Richard
Williams stated "We are very encouraged by the steady
progress the Company has made at our flagship SMP gold
Project. The resource base continues to grow and has
excellent potential to double in the near term"
About the SMP Gold Project
The SMP Gold Project covers an area of
238km2. Gold mineralisation has been identified in
30 targets within the project area. Four of these targets,
Porcupine, Kenge, Konokono and Tumbili have been advanced to the
resource stage and all still have potential to grow
significantly. In February
2012, SRK Consulting (Australia) Pty. Ltd. produced an independent
NI 43-101 compliant Mineral Resource estimate for the SMP gold
project. The estimate reports 1,020,000 ounces in the
Measured and Indicated category (24.1Mt grading 1.32g/t Au), plus
240,000 ounces in the Inferred category (7.2Mt grading 1.05g/t
Au).
In November 2010,
Golder Associates (UK) Ltd. provided an initial NI43-101 compliant
Mineral Resource estimate for the SMP. The restrained
estimate at a 0.5g/t Au cut-off reports 498,075 ounces (10.94MT
grading 1.41g/t Au) in the Measured and Indicated category, plus
273,847 ounces (7.06MT grading 1.2g/t Au) in the inferred
category.
Mineralisation at all 30 targets outcrops at
surface, and varies from narrow, high-grade gold mineralisation
hosted in quartz veins and shear zones, to wide zones (up to 110m+
in width) of lower grade, bulk mineable / open pittable
mineralisation.
Helio owns a 100% interest in four of five
licences, subject to a 2% NSR to the vendors (Tanzanian small
mining companies), and the Company is in the process of earning a
100% interest in the fifth licence.
Chris MacKenzie,
M.Sc., C.Geol., Helio's COO and a Qualified Person as designated by
NI 43-101, supervises the exploration at the SMP project, including
the sampling and quality assurance / quality control programmes,
and has reviewed and approved the contents of this news
release.
ON BEHALF OF THE BOARD OF DIRECTORS
"Richard D.
Williams"
Richard D. Williams, P.Geo
CEO |
"Chris MacKenzie"
Christopher J. MacKenzie, C.Geol.
COO |
Neither the TSX Venture Exchange nor its
Regulation Services Provider (as that term is defined in the
policies of the TSX Venture Exchange) accepts responsibility for
the adequacy or accuracy of this release.
SOURCE Helio Resource Corp.