Goldrush Intersects 4.49 g/t Gold Over 17 Metres and 1.64 g/t Gold Over 29 Metres in Fill-In Drilling at Ronguen Gold Deposit...
09 Février 2012 - 11:11AM
Marketwired Canada
Goldrush Resources Ltd. (TSX VENTURE:GOD)(OTCQX:GDRRF) ("Goldrush" or the
"Company") is pleased to report assay results from the final 16 reverse
circulation ("RC") holes and the first core hole of a 116 hole (98 RC and 18
core) fill-in drilling program on the Company's Ronguen Gold Deposit in Burkina
Faso, West Africa. Highlights of the RC and core drilling results include:
-- 4.49 g/t Au over 17 metres, in RC hole KGRR11-235
-- 1.64 g/t Au over 29 metres, in RC hole KGRR11-237
-- 1.73 g/t Au over 18 metres, in RC hole KGRR11-236
-- 1.81 g/t Au over 15.75 metres, 2.04 g/t Au over 7 metres and 2.73 g/t Au
over 4.85 metres in core hole KGRC11-042
Core hole KGRC11-042 was drilled on line 780 of the G1 grid, the eastern of two
overlapping grids at the Ronguen deposit and was collared approximately 25
metres south of hole KGRR11-228 that intersected 8.77 g/t Au over 23 metres and
1.19 g/t Au over 12 metres and confirmed the down dip extension of at least two
zones of mineralization. These results are consistent with the previously
drilled sections 40 metres to the east and 40 metres to the west which show the
presence of an upper mineralized zone extending to surface at about grid station
115N and a second mineralized zone, underlying the upper zone, that represents a
lens that does not extend completely to surface. However, drilling previous to
hole -228 and KGRC11-042 intersected grades more typical of the Ronguen
mineralization (in the order of 1-2 g Au/t). During interpretation of this area,
special attention will be given to the precise location of north northwest
trending cross structures which may control higher grades along ore shoots that
follow the intersection of the main zone and the cross structures.
RC holes -235 to -237 were drilled on line 140E of the G2 grid, the western of
two overlapping grids at the Ronguen deposit and confirm thick widths of the
mineralization in this area.
Len Brownlie, President and CEO of Goldrush, noted: "The infill drilling program
at Ronguen continues to provide some excellent results which we anticipate will
be reflected in the upcoming revised resource estimate. We continue to await
assays from the remaining 17 core holes and 1,325 metres of trenching, and also
assay results from recently completed drill programs on the Ouavousse, Salbo and
Rima permits. 2012 is shaping up to be an exceptional year for Goldrush, in
which we plan to advance Ronguen, along with our Pompoi permit, (located
adjacent to and on-strike with Roxgold's Yaramoko gold discovery structure) and
several of our nine other projects in Burkina Faso."
A surface plan showing the drill hole locations is available at
http://goldrushresources.ca/properties/ronguen/.
Assay Results
Significant intersections are noted above and in the following table:
---------------------------------------------------------------------------
Gold
Line Station Grade Vertical
(Grid (Grid From To Interval (g Depth(1)
HOLE ID Co-ord) Co-ord) Grid (m) (m) (2)(m) Au/t) (m)
---------------------------------------------------------------------------
RC Holes
---------------------------------------------------------------------------
KGRR11-235 140 -65 G2 66 83 17 4.49 64.5
---------------------------------------------------------------------------
KGRR11-236 140 -40 G2 46 64 18 1.73 47.6
---------------------------------------------------------------------------
and 72 74 2 1.3 63.2
---------------------------------------------------------------------------
KGRR11-237 140 -15 G2 14 15 1 1.47 12.6
---------------------------------------------------------------------------
and 18 47 29 1.64 28.1
---------------------------------------------------------------------------
and 58 60 2 0.94 51.1
---------------------------------------------------------------------------
KGRR11-239 60 -50 G2 37 38 1 1.5 32.5
---------------------------------------------------------------------------
KGRR11-241 0 -75 G2 81 82 1 1.02 70.6
---------------------------------------------------------------------------
KGRR11-244 -20 -35 G2 19 22 3 2.04 17.8
---------------------------------------------------------------------------
and 43 44 1 0.87 37.7
---------------------------------------------------------------------------
and 48 51 3 1.48 42.9
---------------------------------------------------------------------------
Core Hole
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KGRC11-042 780 35 G2 59.75 75.5 15.75 1.81 58.6
---------------------------------------------------------------------------
and G2 95 102 7 2.04 85.3
---------------------------------------------------------------------------
and G2 110.4 115.25 4.85 2.73 97.7
---------------------------------------------------------------------------
(1) "Vertical depth" is the calculated depth to the centre of the
intersection.
(2) True widths are determined to be 90 to 95% of reported mineralized
intervals.
Assays from holes KGRR11-251 and -252 were announced on January 18 and have been
excluded from the above table.
Five holes (KGRR11-239, -241, -243, -245 and -246) not included in the above
table of significant intersections did contain 1 to 2 metre thick sections of
anomalous gold at or above a cut-off grade of 0.5 g/t Au.
Holes -238, -240, -242, -247, -248, -249 and -250 were barren. Holes -245 to
-247 were drilled on line -20W, just outside the western limit of the existing
G2 (west) grid, where a series of parallel, north easterly trending faults have
caused the mineralization to become discontinuous.
Holes -248, -249 and -250 were drilled between 370 and 520 metres west of the
western limit of the existing G2 (west) grid and were targeted to intersect
extensions of the mineralization encountered in hole KGRR011-135 (see Goldrush
news release dated June 9, 2011). Hole -135 was collared 430 metres to the west
of the nearest previous hole drilled on the Ronguen deposit and encountered 2.14
g/t Au over 4 metres at a vertical depth of 13 metres. Hole -135 was collared
approximately 40 metres northeast of a previous Rotary Air Blast ("RAB") hole
KGRB07-151B, which intersected 7.72 g Au/t over 6 metres. Gold intercepts in the
RC hole -135 and RAB hole -151B correlated well with two distinct resistivity
anomalies. Further drilling and interpretation will be required to establish the
precise location of the western continuation of Ronguen mineralization.
RC drill hole lengths varied from 60 to 95 metres, and core hole -042 was
drilled to a depth of 119 metres. All holes were drilled at an inclination of
-60 degrees. A total of 1,310 metres were drilled in the 16 RC holes which were
continuously sampled at one metre intervals for assaying. Sampling of core holes
is done using nominal one metre sampling intervals that may be modified by the
logging geologist based on lithology / alteration.
Ronguen Exploration Plan
A total of 98 RC holes totalling 7,793 metres and 18 core holes totalling 2,347
metres have been completed in the fall 2011 drilling program on the Ronguen gold
deposit. A total of 1,325 linear metres in 13 trenches have now been completed
as well. The samples from the remaining 17 core holes and all trenches have been
delivered to the assay laboratory and results will be announced when received.
Following receipt of all assays, results will be interpreted and incorporated
into a three dimensional model for preparation of the updated resource estimate.
Ronguen Deposit Mineralization
The Ronguen gold deposit is located within the northeastern part of the highly
prospective Birimian age Boromo greenstone belt in Burkina Faso. The local
geology at Ronguen is dominated by an east northeast ("ENE") trending
metasedimentary sequence consisting of interlayered siltstone, mudstone and
minor conglomerate that are intruded by plugs, and narrow dykes and sills of
gabbroic composition. The Ronguen mineralized zone is located in the structural
hanging wall of a major ENE thrust fault which recorded a tectonic transport
direction towards the north. The mineralized deformation corridor represents a
major ENE trending reverse fault zone, dipping moderately towards the south.
Gold mineralization is found in both metasedimentary and mafic intrusive rocks.
The gold mineralization is associated with quartz-carbonate veins/veinlets and
with sulphides occurring as disseminations and patches, and in veinlets. Two
sets of gold-bearing quartz veins are developed: subvertical shear veins
parallel to the shear zone foliation and to the shear zone boundaries, and
subhorizontal extension veins. Small quartz stockworks are present and represent
a part of the gold mineralization.
Quality Assurance/Quality Control
Goldrush maintains a rigorous quality control program involving the use of
certified standards from an accredited Canadian laboratory, inserted blanks, and
the use of repeat assays. Details of Goldrush's quality control program were
provided in the Company's News Release #2010-13, dated October 25, 2010.
The SGS laboratory in Ouagadougou, Burkina Faso was used for sample analysis.
Samples are assayed using standard fire assay techniques on a 50 gram charge
with an atomic absorption finish. For its internal control, SGS inserted two
certified standards and one blank, and analyzed one random duplicate for
approximately each 25 samples submitted. For its certified standard and blank
samples included in the QA-QC procedure, Goldrush averaged 7.5% of the total
samples submitted.
The RC drilling was contracted to Forages Technic-Eau/Burkina sarl based in
Ouagadougou, Burkina Faso, whereas the core drilling was contracted to PPI
Burkina sarl, also based in Ouagadougou.
Mr. Driffield Cameron, P.Geo., Director of Goldrush, is the Qualified Person for
this press release for the purposes of National Instrument 43-101 and has
reviewed the technical information herein.
For further information on Goldrush Resources Ltd., shareholders and other
interested parties are invited to visit the Company's website at
www.goldrushresources.ca.
ON BEHALF OF THE BOARD OF DIRECTORS,
GOLDRUSH RESOURCES LTD.
Len Brownlie, President and Chief Executive Officer
About Goldrush: Goldrush is a Canadian mineral exploration company which has
successfully focused on gold exploration in West Africa, where the Company has
discovered, and is currently expanding and defining the 249,000 ounce (inferred
resource of 5.9 million tones at a grade of 1.31 g/t Au) Ronguen gold deposit in
Burkina Faso.
FORWARD-LOOKING STATEMENTS: This news release contains certain "forward-looking
statements" within the meaning of Section 21E of the United States Securities
Exchange Act of 1934, as amended. Except for statements of historical fact
relating to the Company, certain information contained herein constitutes
forward-looking statements. Forward-looking statements are frequently
characterized by words such as "plan", "expect", "project", "intend", "believe",
"anticipate", "estimate" and other similar words, or statements that certain
events or conditions "may" or "will" occur. Forward-looking statements are based
on the opinions and estimates of management at the date the statements are made,
and are subject to a variety of risks and uncertainties and other factors that
could cause actual events or results to differ materially from those projected
in the forward-looking statements. These factors include the inherent risks
involved in the exploration and development of mineral properties, the
uncertainties involved in interpreting drilling results and other geological
data, fluctuating metal prices, the possibility of project cost overruns or
unanticipated costs and expenses, uncertainties relating to the availability and
costs of financing needed in the future and other factors. The Company
undertakes no obligation to update forward-looking statements if circumstances
or management's estimates or opinions should change. The reader is cautioned not
to place undue reliance on forward-looking statements.
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