Independence Gold Recovers Up to 97.9% Gold From 3Ts Property, British Columbia
05 March 2021 - 12:00AM
Independence Gold Corp. (TSX.V:
IGO) ("Independence" or "the Company") is pleased to
announce the results from metallurgical test work completed on
mineralized quartz vein material from its 100% owned 3Ts Project,
located approximately 185 kilometres (“km”) southwest of Prince
George, British Columbia and situated 20 km southwest of Artemis
Gold Inc.’s Blackwater Project.
This study was initiated to confirm the results
from a previous metallurgical study conducted for Independence by
SGS Canada Inc. (see news release dated July 9th, 2013). This study
used composite sample from drill core material from the Ted-Mint
vein system and subjected it to a three-stage recovery (gravity,
floatation, and cyanide leaching). The 2013 study yielded 97.3%
gold recovery and 94.9% silver recovery.
Sample Selection and
PreparationComposite samples comprised of sample rejects
of mineralized vein material were collected from drill core
recovered during the 2020 program. The first composite comprised
material from the Tommy Vein (drill holes 3T-20-01 and 3T-20-02),
and the second composite from the Ted-Mint offset vein (drill hole
3T-20-10). These veins yielded gold assay values up to 68.7 grams
per tonne (“g/t”) and silver assay values up to 2,550 g/t from
meter-scale samples (see news release dated November 4th,
2019).
Head ResultsThe following table summarizes the
assays results for both composite samples:
Sample |
Screened Metallics |
Au g/t |
Ag g/t |
Composite 1 (Tommy Vein) |
4.9 |
34.3 |
Composite 2 (Ted-Mint Offset Vein) |
4.2 |
139.0 |
The metallurgical study from 2013 returned head results 2.28 g/t
gold and 66.6 g/t silver from the Ted-Mint vein, therefore the 2021
results appear to show an improvement in grade.
Gravity SeparationA single
gravity separation test was completed on each composite to evaluate
the potential for gravity recoverable gold and silver using a
Knelson concentrator. The initial concentrate was then further
upgraded to a Mozley shaking table. The Mozley concentrate was
submitted for assaying and the tailings used for floatation
testing. Gravity methods were poor in Composite 1, managing to
recover 1.46% gold and 0.57% silver. Composite 2 showed improved
recovery for gold with 27.6%, but silver recovery remained low at
3.62%.
Floatation TestworkA single
test was conducted on each of the gravity tailings to assess
further recoverability of gold and silver, with the concentrate
being submitted for assaying and mineralogy. From these tailings,
Composite 1 recovered 76.0% gold and 74.8% silver remaining in the
stream, while Composite 2 recovered 64.1% gold and 84.8%
silver.
Cyanide LeachingThe floatation
tailings were submitted for bottle roll cyanide leaching tests,
lasting for 48-hours with a pH of 10.5 to 11. Both composites
performed well and recovered additional gold in the pregnant leach
solution. Composite 1 recovered 16.4% gold and 17.1% silver from
the floatation tailings, while Composite 2 recovered 6.18% gold and
7.07% silver.
Overall ResultsThe following
table summarizes the results of the metallurgical test work:
|
Composite 1 (Tommy Vein) |
Composite 2 (Ted-Mint Offset Vein) |
Total GoldRecovery |
Total SilverRecovery |
Total GoldRecovery |
Total SilverRecovery |
Gravity Concentrate |
1.46% |
|
0.57% |
|
27.6% |
|
3.62% |
|
Floatation Concentrate |
76.0% |
|
74.8% |
|
64.1% |
|
84.8% |
|
Leach Concentrate |
16.4% |
|
17.1% |
|
6.18% |
|
7.07% |
|
TOTAL RECOVERY |
93.9% |
|
92.4% |
|
97.9% |
|
95.5% |
|
It is believed that recoverability could be
further improved by modifying the processes and with additional
mineralogical studies to understand deportment of the gold and
silver within the Tommy Vein compared to the Ted-Mint Offset
Vein.
MethodologySamples rejects were
blended, crushed to minus 10-micron mesh, and split into 2 kilogram
(“kg”) and 10 kg test charges. For each composite, a 2 kg test
charge was selected at random and submitted for head chemical and
screened metallics. The 2 kg test charges were split into two, with
the first half being used for gold and silver analysis by the
screened metallics protocol. The sample was stage pulverized to
pass a 150 mesh screen until less than 30 grams remained in the
oversize fraction. The oversize fraction, as well as two
representative cuts of the undersize, were submitted for gold and
silver analysis by fire assay to extinction.
About IndependenceIndependence
Gold Corp. (TSX.V:IGO) is a mineral exploration company listed on
the TSX Venture Exchange. The Company’s holdings range from
early-stage grassroots exploration to advanced-stage resource
expansion in British Columbia and Yukon. For additional
information, visit the Company's website www.ingold.ca.
Andy Randell, P.Geo., the Company’s Qualified
Person as defined by National Instrument 43-101, has reviewed the
technical information in this news release.
ON BEHALF OF THE BOARD OF INDEPENDENCE
GOLD CORP.
“Randy Turner”
Randy Turner, President & CEO
Neither the TSX Venture Exchange nor its
Regulation Services Provider (as that term is defined in policies
of the TSX Venture Exchange) accepts responsibility for the
adequacy or accuracy of this release.
All statements in this press release, other than
statements of historical fact, are "forward-looking information"
with respect to Independence within the meaning of applicable
securities laws, including statements with respect to the
Company’s planned drilling and exploration activities. The Company
provides forward-looking statements for the purpose of conveying
information about current expectations and plans relating to the
future and readers are cautioned that such statements may not be
appropriate for other purposes. By its nature, this information is
subject to inherent risks and uncertainties that may be general or
specific and which give rise to the possibility that expectations,
forecasts, predictions, projections or conclusions will not prove
to be accurate, that assumptions may not be correct and that
objectives, strategic goals and priorities will not be achieved.
These risks and uncertainties include but are not limited to those
identified and reported in Independence’s public filings under
Independence Gold Corp.’s SEDAR profile at www.sedar.com.
Although Independence has attempted to identify important
factors that could cause actual actions, events or results to
differ materially from those described in forward-looking
information, there may be other factors that cause actions, events
or results not to be as anticipated, estimated or intended. There
can be no assurance that such information will prove to be accurate
as actual results and future events could differ materially from
those anticipated in such statements. Independence disclaims any
intention or obligation to update or revise any forward-looking
information, whether as a result of new information, future events
or otherwise unless required by law.
Contact:Telephone: 604-687-3959Facsimile:
604-687-1448E-Mail: info@ingold.ca
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