SearchGold Defines Several Mineralized Systems With Gold Grades of Up to 37.79 g/t Au in Burkina Faso
April 15 2009 - 9:02AM
Marketwired Canada
SearchGold Resources Inc. (TSX VENTURE:RSG)(FRANKFURT:S1O) hereby provides an
update on the 400 km2 Arae-Gassel Gold Property ("Arae -Gassel") located in
northern Burkina Faso, West Africa, where it has an option to acquire 100%
interest from Somika SARL ("Somika").
A field campaign executed in March 2009 resulted in the definition of three
major gold vein systems within the Kerboule-Yalema gold corridor on the
Arae-Gassel property with surface gold grades of up to 37.79 g/t Au (SFK-M,
SFK-N and SFK-T).
See map on this link: http://media3.marketwire.com/docs/SG.pdf
These mineralized systems host quartz veins with apparent widths comprised
between 0.25 m and 1.50 m as well as quartz veinlets bearing stockworks forming
mineralized zones with apparent widths varying between 15.00 and 30.00 m.
A 5 km by 2 km area was the object of detailed surface mapping on 200 km of
lines spaced at 50 m and perpendicular to the main geological directions. A
total of 135 samples collected demonstrate that all rock types are mineralized
with gold and a total of 43 samples, or 32% of the total sample collected,
yielded significant values above 0.40 g/t Au up to 37.79 g/t Au :
- Grade above 30.00 g/t Au : 3 samples
- Grades between 10.00 g/t Au and 30.00 g/t Au : 6 samples
- Grades between 1.00 g/t Au and 10.00 g/t Au : 20 samples
- Grades between 0.40 g/t Au and1.00 g/t Au : 14 samples
SFK-M, SFK-N and SFK-T sectors
An important part of the mapped area overlays the on-going artisan activity. It
is notably the case for the SFK-M, SFK-N and SFK-T systems which form part of a
trend observed over one kilometre, showing a North-North-East direction and
comprising an "en echelon" network of quartz veins with steep western and sub
horizontal dips. A total of 52 samples were collected in those sectors and 71%
yielded significant values above 0.40 g/t Au with the principal results above
5.00 g/t Au being :
-----------------------------------------------
Au (g/t) Sample Rock type 30 N WGS 84
UTM E UTM N
-----------------------------------------------
37.79 309-96 Tuff 687791 1610001
35.18 309-95 Quartz 687783 1610011
30.89 309-70 Quartz 687906 1609392
15.13 309-68 Quartz 687899 1609325
14.92 309-101 Quartz 687820 1610063
13.88 309-59 Tuff/quartz 687916 1609305
12.18 309-104 Quartz 687824 1610145
12.18 309-93 Quartz 687773 1610013
10.63 309-60 Quartz 687891 1609287
8.53 309-54 Quartz 687880 1609245
7.99 309-62 Quartz 687929 1609312
7.62 309-103 Quartz 687849 1610147
7.27 309-48 Quartz 687907 1609087
5.70 309-100 Quartz 687785 1610072
5.16 309-115 Quartz/tuff 688108 1610231
KST sector
This sector takes on a strategic importance as it confers an additional 500 m of
North-East extension to the historical Kerboule South sector. The entire KST /
Kerboule South system now shows an extension of approximately one kilometre and
previous RC drilling work confirmed the presence of higher grade zones on the
Kerboule South target :
- RCK99-86 : 24.48 g/t Au over 4 m from 42 m to 46 m,
- RCK99-05 : 18.28 g/t Au over 2 m from 6 m to 8 m.
The recent mapping of the KST sector clearly demonstrates that the mineralized
system consists in a network of quartz veins hosted in a feldspathic tuff with
local quartz stockwork textures and disseminated cubic pyrite. Several
schistosity measurements show a north-north-east trend with a sub vertical dip
(strike of 186 degrees to 200 degrees and dip of 77 degrees to 90 degrees). A
total of 13 samples were collected in this sector and 23% yielded significant
values above 0.40 g/t Au; the principal results being :
-----------------------------------------------
Au (g/t) Sample Rock type 30 N WGS 84
UTM E UTM N
-----------------------------------------------
3.40 309-24 Tuff 688609 1608052
0.95 309-1 Tuff 688415 1607537
0.63 309-23 Quartz/Tuff 688718 1608054
These results are especially significant as they demonstrate the impregnation of
the mineralization in the host rock thereby allowing to consider bulk tonnage
exploitation as suggested by the previous RC drilling work demonstrating the
presence of wide mineralized intervals on the Kerboule South target:
- RCK99-86 : 5.20 g/t Au over 38 m from 26 to 64 m.
- RCK99-58 : 2.51 g/t Au over 56 m from 42 to 98 m.
Other sectors
The remainder of the sampling of this recent surface campaign concerned the
known Kerboule-Yalema corridor and demonstrated a significant background in gold
on the entire structure. Indeed, 57% of the 135 samples collected returned
grades above 0.05 g/t Au and two additional peripheral sectors were defined
preliminarily :
- SFK-NW sector : two laterite and quartz samples returned values of 0.42 and
0.41 g/t Au respectively.
- YT-1 sector : two laterite and saprolite samples returned values of 0.06 and
0.05 g/t Au respectively.
The 5 km Kerboule-Yalema gold trend recognized on SearchGold's property,
probably represents a subsidiary structure to the Inata-Kerboule shear zone, a
major regional structure over 30 km in strike length which hosts Wega Mining's
1.4 million oz Au Inata deposit(i) 15 km south of SearchGold's property. The
last systematic work on Arae-Gassel was executed by Orezone Resources Inc. in
the late 1990's when gold was at US$300 an ounce. A lot of additional artisanal
work has been executed since and has shown the presence of high grade quartz
veins producing gold consistently, year after year.
Sample type
All significant results presented above were obtained on grab and composite
samples collected in outcrops, old trenches, artisan shafts and in artisan
shafts rejects. The samples have recorded weights varying between 1.06 kg and
4.76 kg with an average weight comprised between 2.00 and 3.00 kg. The 135
samples were collected principally from surface quartz veins, quartz veins from
artisan shafts, quartz veinlets bearing stockworks hosted in tuffs, hosts tuffs,
lateritized surface facies and colluviums.
Sample Analysis
The samples were shipped to the Abilab laboratory in Ougadougou, Burkina Faso,
for analysis by bottle roll cyanidation on pulp samples. The sample preparation
and analytical procedure involves drying and pulverizing the entire sample
followed by quartering to obtain a representative 1 kg sample which undergoes
bottle roll cyanidation for 24 hours. A fire assay is executed on the pulp
tailings when values greater than 0.50 g/t Au (500 ppb) are recorded from bottle
roll cyanidation, and the head grade recalculated accordingly. A rigorous QA/QC
program involves the random inclusion of standards, duplicates and blanks at the
sample preparation stage.
The surface work and sampling were carried out under the supervision of Moussa
Keita, P. Geol. and SearchGold's Vice-President Exploration. Philippe Giaro, P.
Geol., President and CEO of SearchGold Resources Inc. and Qualified Person for
SearchGold, has reviewed and approved the content of this release.
- (5.2 million tonnes @ 2.3 g/t Au for 378,480 ounces of Measured Resources and
19.8 million tonnes @ 1.6 g/t Au for 1,018,450 ounces of Indicated Resources)
About SearchGold Resources Inc.
SearchGold Resources is a Canadian-based mining company primarily focussed on
gold deposits in Africa. Shares of SearchGold Resources Inc. are listed for
trading on the TSX Venture Exchange as "RSG"; and the Frankfurt Stock Exchange
as "S1O".
FOR FURTHER INFORMATION PLEASE VISIT http://www.searchgold.ca
Neither 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.
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