K92 Mining Inc. (“
K92” or the
“
Company”) (TSX-V
: KNT;
OTCQX
: KNTNF) is pleased to announce that it has
completed the processing of 4,256 tonnes of underground bulk sample
material and also extended underground development by an additional
114 metres along the Judd 1235 Level J1 Vein underground
development, within the +2.5km strike, sparsely explored Judd Vein
System at the Kainantu Gold Mine in Papua New Guinea.
The Judd 1235 Level J1 Vein underground
development has now been extended 114 metres since the length
disclosed in the Company’s September 3, 2020 press release, to a
total of 223 metres. As development advanced to the South, notably
higher grade material was encountered, with an estimated 6,600
tonnes at 13.57 g/t AuEq or 12.17 g/t Au, 0.79% Cu and 19 g/t Ag of
additional undiluted J1 Vein extracted and estimated from
underground channel sampling. Multiple high grade faces were
recorded from channel sampling, including: 5.46 m at 109.54 g/t
AuEq or 108.00 g/t gold, 0.27% copper and 100 g/t silver
representing our southernmost assay to date; 3.9 m thickness at
46.8 g/t AuEq or 43.3 g/t Au, 2.12% Cu and 29 g/t Ag, and; 4.4 m
thickness at 20.8 g/t AuEq or 15.1 g/t Au, 3.38% Cu and 57 g/t Ag.
Vein thickness averaged 3.7 metres and ranged from 2 to 6
metres.
The development drive has been designed as a
return airway (“RAD”) and as such has been developed with
dimensions of 5.5 m x 5.5 m, significantly larger than an ore drive
would be developed. Incorporating the resulting excess planned
dilution of over 50%, the extension mined an estimated 10,020
tonnes at 9.03 g/t AuEq or 8.06 g/t Au, 0.55% Cu and 9 g/t Ag.
Overall, the 223 metres of development has recorded continuous vein
mineralization along strike and the undiluted J1 Vein average
estimated vein grade is 9.65 g/t AuEq or 8.02 g/t Au, 0.95% Cu and
19 g/t Ag.
The bulk sample delivered a significant positive
grade reconciliation, returning a head grade of 6.50 g/t gold
equivalent or 5.19 g/t gold, 0.82% copper and 10.9 g/t silver,
compared to the projected average bulk sample diluted grade of 5.57
g/t gold equivalent or 4.4 g/t gold, 0.7% copper and 10.6 g/t
silver from underground development channel sampling. The treatment
of the bulk sample via flotation also delivered good recoveries of
88.8% for gold, 97.5% for copper and 88.2% for silver, similar to
recoveries at Kora. As the bulk sample was processed after the
recently commissioned Stage 2 Plant Expansion, the Company sees
potential for improvement in recoveries through operational and
flowsheet optimizations. Given the similar results achieved in
processing the Judd bulk sample, it is now being blended with Kora
material to optimize plant feed grades and characteristics.
A total of 229 tonnes of flotation concentrate
grading 86 g/t Au, 14.8% Cu and 178 g/t Ag was produced. The
concentrate meets specifications for K92’s existing offtake
agreement with no significant deleterious / penalty elements. It
is, however, intended to blend the Judd material with Kora for
treatment through the process plant, so a separate Judd concentrate
will not be produced.
The Judd bulk sample development was originally
intended as a ventilation infrastructure drive and therefore was
developed with large 5.5 m x 5.5 m underground development
dimensions. The drive dimensions are considerably greater than what
would have been utilized for production stoping, implying the
potential for grade improvement by reducing drive dimensions and
therefore mitigating planned external dilution. The bulk sample
represents a discrete portion of the Judd 1235 Level development
and does not include the high grade material reported in the most
recent face sampling that was mined after the processing of the
bulk sample.
(1) Gold
equivalent (AuEq) is calculated using
copper price of US$3.05/lb, silver price of US$16.05/oz and gold
price of US$1,400/oz.John Lewins, K92 Chief Executive
Officer and Director, stated, “The results from the ongoing
development along the Judd J1 Vein are extremely encouraging with
some very high grades being encountered as we develop to the south
including the most recent face sample reporting 5.46 metres at
109.54 g/t AuEq or 108.00 g/t gold, 0.27% copper and 100 g/t
silver.
In addition, as expected, the processing of the
Judd bulk sample has shown the material to be very similar
metallurgically to Kora, with similar recoveries, producing a good
grade concentrate with no significant deleterious elements.
Importantly the overall head grade of 6.50 g/t gold equivalent or
5.19 g/t gold, 0.82% copper and 10.9 g/t silver, was approximately
15% higher than the average diluted bulk sample drive grade of 5.57
g/t AuEq or 4.4 g/t gold, 0.7% copper and 10.6 g/t silver. Kora has
reasonably consistently delivered positive grade reconciliations
versus the resource model and underground grade control sampling,
and given the similar geology observed at Judd this is a
particularly encouraging initial result.
As we have only recently commissioned the
expansion to the process plant, we anticipate that we will be able
to improve Judd (and Kora) recoveries as we complete our
de-bottlenecking and optimization work which is currently under
way.
The results to date from the underground
development and the initial phase 1 underground drill program that
recently reported its first four drill holes, including 7.25 metres
at 256.09 g/t gold, 113 g/t silver and 0.42 % copper (258.01 g/t
gold equivalent, 5.30 metres true width) on the J1 vein (see the
Company’s November 9, 2020 press release), strongly highlights the
potential for Judd to represent a very significant additional
mining front for our Stage 3 Expansion. We therefore intend to
extend the initial underground drilling program and also commence a
surface drilling program of both Judd and Kora before year-end.
Underground development on Judd will also continue to be extended
to the South.”
See Figure 1 for Location Map of the Judd Vein
System, 1235 Level Bulk Sample, Surrounding Veins and
Infrastructure.
See Figure 2 for Judd Vein Long-Section with
Current Judd Vein Interpretations.
See Figure 3 for a plan view of the Judd Vein #1
underground channel sampling.
See Figure 4 for Judd 1235 Level Bulk Sample Development
Face.
Qualified
Person
K92 mine geology manager and mine exploration
manager, Andrew Kohler, PGeo, a qualified person under the meaning
of Canadian National Instrument 43-101 – Standards of Disclosure
for Mineral Projects, has reviewed and is responsible for the
technical content of this news release.
About K92
K92 Mining Inc. is engaged in the production of
gold, copper and silver from the Kora deposit at the Kainantu Gold
Mine in the Eastern Highlands province of Papua New Guinea, as well
as exploration and development of mineral deposits in the immediate
vicinity of the mine. The Company declared commercial production
from Kainantu in February 2018 and is in a strong financial
position.
The Company commenced an expansion of the mine
based on an updated Preliminary Economic Assessment on the property
which was published in January 2019 and updated in July 2020. K92
is operated by a team of mining professionals with extensive
international mine-building and operational experience.
On Behalf of the Company,
John Lewins, Chief Executive Officer and
Director
For further information, please contact David
Medilek, P.Eng., CFA at +1-604-687-7130.
NEITHER 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.
CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING
INFORMATION: This news release includes certain “forward-looking
statements” under applicable Canadian securities legislation.
Forward-looking statements are necessarily based upon a number of
estimates and assumptions that, while considered reasonable, are
subject to known and unknown risks, uncertainties, and other
factors which may cause the actual results and future events to
differ materially from those expressed or implied by such
forward-looking statements. All statements that address future
plans, activities, events, or developments that the Company
believes, expects or anticipates will or may occur are
forward-looking information, including statements regarding the
realization of the preliminary economic analysis for the Kainantu
Project, expectations of future cash flows, the planned plant
expansion, production results, cost of sales, sales of production,
potential expansion of resources and the generation of further
drilling results which may or may not occur. Forward-looking
statements and information contained herein are based on certain
factors and assumptions regarding, among other things, the market
price of the Company’s securities, metal prices, exchange rates,
taxation, the estimation, timing and amount of future exploration
and development, capital and operating costs, the availability of
financing, the receipt of regulatory approvals, environmental
risks, title disputes, failure of plant, equipment or processes to
operate as anticipated, accidents, labour disputes, claims and
limitations on insurance coverage and other risks of the mining
industry, changes in national and local government regulation of
mining operations in PNG, mitigation of the Covid-19 pandemic,
continuation of the lifted state of emergency, and regulations and
other matters. There can be no assurance that such statements will
prove to be accurate, as actual results and future events could
differ materially from those anticipated in such statements.
Accordingly, readers should not place undue reliance on
forward-looking statements. The Company disclaims any intention or
obligation to update or revise any forward-looking statements,
whether as a result of new information, future events or otherwise,
except as required by law.
Figure 1 – Location Map of the Judd Vein
System, 1235 Level Bulk Sample, Surrounding Veins and
Infrastructurehttps://www.globenewswire.com/NewsRoom/AttachmentNg/37873320-1382-4ae3-b417-3a91db4e1c89
Figure 2 – Judd Vein System
long-section including Judd Vein interpretations (“Interps”) based
on sparse
drillinghttps://www.globenewswire.com/NewsRoom/AttachmentNg/b5b5601d-9c12-4aeb-a44a-a0f8fcdde91f
Figure 3 – Plan view of the Judd Vein #1
underground channel
samplinghttps://www.globenewswire.com/NewsRoom/AttachmentNg/609b5b3d-e9e7-4e05-ba7f-47e768445ad7
Figure 4 – Judd 1235 Level Bulk
Sample Development
Facehttps://www.globenewswire.com/NewsRoom/AttachmentNg/667845ad-a617-4c04-a3e8-590c582f7c21
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