Eagle Plains/Prize Mining Complete Ramp-Up to Commercial Production at Yellowjacket Gold Project, Atlin, B.C.
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CRANBROOK, British Columbia--(Business Wire)--
Eagle Plains Resources Ltd. (EPL:TSX-V) and Prize Mining Corp. (PRZ:TSX-V)
jointly announce that the Yellowjacket Venture ("Yellowjacket JV") has now
completed commissioning and test work as scheduled on its mill facility at the
Yellowjacket Gold Project located near Atlin, BC. A variety of material
stockpiled by Prize in 2008 has now passed through the mill and represents a
spectrum of hardness, mineralogy and grade in order to properly tune the
facility. Production rates have confirmed a mill capacity of 350 tonnes per day.
Processing of this material was completed under an existing Bulk Sampling
Exploration Permit. Full-scale bedrock mining and milling operations will
commence upon receipt of a Provincial Mines Act Permit, which is expected
shortly.
In 2008, 18 mineralized bedrock sample blocks weighing an average of 200 tonnes
each were processed through the onsite mill. A very diligent head grade
(conveyor cut) and tailings sampling program was implemented during the bedrock
processing program. Due to financial constraints in late 2008, the samples were
not submitted to the laboratory for assay. In May 2009, samples collected from
three high- grade bulk sample blocks were sent to ACME Laboratory Ltd. for
analyses.
Head grade samples (conveyor cuts) averaging 2 kilograms each were collected
every 50 minutes during feeding of the particular bulk sample block. Tailings
samples were collected continuously using an automated Vezin sampler, with the
sample bag being changed each hour. The head grade assaying was done using the
metallics assaying method where the entire sample is pulverized and screened
through 150 mesh, with fire assaying of both the +150 and -150 mesh fractions to
yield a total gold content. The tailings samples are pulverized during the
milling process and are analysed by standard fire assay techniques.
The following table shows gold assay results for three selected high-grade
blocks that were shipped to ACME Laboratory Ltd. for analyses (readers are
cautioned that these particular blocks are not representative of the deposit as
a whole). The results displayed are the single highest and lowest gold assay
values as well as an average grade for all samples collected from each block
These higher grade blocks were selected to be assayed in order to compare the
gold assay results from the laboratory to those previously obtained by the
onsite assaying and to ensure that recoveries are in an acceptable range in the
high grade material.
BLOCK A27 BLOCK B27 BLOCK C21
CONVEYOR CUT ASSAYS
NUMBER OF SAMPLES 48 38 49
HIGHEST TOTAL GOLD (g/t) 466.65 313.74 431.46
LOWEST TOTAL GOLD (g/t) 0.52 2.83 0.61
AVERAGE TOTAL GOLD (g/t) 30.46 45.54 14.01
TAILINGS ASSAYS
NUMBER OF SAMPLES 71 59 77
HIGHEST GOLD (g/t) 2.16 7.86 3.85
LOWEST GOLD (g/t) 0.47 1.09 0.74
AVERAGE GOLD (g/t) 1.10 3.44 1.21
Metallurgical test work and plant engineering designs show that expected gravity
concentration gold recoveries will be between 73% and 80%. Using ratios of
average gold in tailings compared to average total gold values in conveyor cut
assays, it appears that the gold loss to tailings is well within the targeted
acceptable recovery range. On-going studies will be conducted to improve
recoveries.
From the assay results the extreme "nugget effect" of the deposit is immediately
apparent as seen by the very high grade assay values obtained in individual
samples collected from these selected high grade blocks - as compared to the
lowest and average values. Additional assay results for other elements and
concentrate recoveries are still pending.
Mr. Rino Mihoc, Mill Supervisor and previous Mine Manager at Goldcorp Inc.`s
Golden Bear Mine has lead the mill commissioning work. Linda Dandy, P.Geo., Mine
Manager, is the "Qualified Person" for the purpose of National Instrument
43-101, has reviewed and verified the contents of this news release.
A detailed history of the project and recently updated photo-gallery may be
found here
About Eagle Plains Resources
Eagle Plains Resources plans to commence gold production at the Yellowjacket
project in mid-2009 and continues to conduct research, acquire and explore metal
projects in western Canada. In addition to holding mining royalties on various
projects, the Company controls over 35 gold, base-metal and uranium projects,
several with third parties including Waterloo Resources Ltd (TSX-V:WAT.P) and XO
Gold Resources Ltd. (a private B.C. company). In recent years, Eagle Plains has
completed option agreements with Teck Limited (TSX:TCK.B), Alexco Resource Corp.
(TSX-V:AXR), Billiton Metals, Rio Algom Exploration, NovaGold Resources,
Kennecott Exploration and numerous other junior exploration companies, resulting
in over 53,000m (158,500`) of drilling and over $27.0 million in exploration
spending on its projects since 1998.
Expenditures during 2008 on Eagle Plains` projects were approximately
$6,000,000, funded equally between Eagle Plains and third party partners. This
work resulted in approximately 6,300m of drilling and extensive ground-based
exploration work and facilitated the advancement of numerous projects at various
stages of development.
On behalf of the Board of Directors
Signed
"Tim J. Termuende"
President and CEO
Cautionary Note Regarding Forward-Looking Statements
The TSX Venture Exchange has not reviewed and does not accept responsibility for
the adequacy or accuracy of this release. This news release may contain
forward-looking statements including but not limited to comments regarding the
timing and content of upcoming work programs, geological interpretations,
receipt of property titles, potential mineral recovery processes, etc.
Forward-looking statements address future events and conditions and therefore,
involve inherent risks and uncertainties. Actual results may differ materially
from those currently anticipated in such statements.
Eagle Plains Resources Ltd.
Mike Labach, 1-866-HUNT-ORE (486-8673)
mgl@eagleplains.com
http://www.eagleplains.com
Copyright Business Wire 2009
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