K92 Mining Inc. (“
K92” or the
“
Company”) (TSX-V:
KNT; OTCQX:
KNTNF) is pleased to announce production in the
third quarter (“
Q3”) exceeded budget by 14%, with
19,170 oz AuEq produced for the quarter at its Kainantu Gold Mine
in Papua New Guinea.
During Q3, K92 produced 18,636 oz of gold,
209,287 pounds of copper and 5,284 oz of silver or 19,170 AuEq oz
(based on a gold price of US$1,300/oz; silver price of US$16.50/oz;
copper price of US$2.90/lb). Production for the first three
quarters of 2019 is a record of 56,741 oz of gold or 58,610 AuEq
oz, compared to production of 47,237 for the entire year in 2018.
Recoveries for the first three quarters of 2019 averaged 93.7% for
gold and 92.8% copper.
Mining operations in Q3 continued to focus on
Kora North and comprised cut and fill stope mining from the K1 vein
at the 1,185 and 1,205 mRL level as well as development tonnes from
the K1 vein on the 1,170 mRL level.
The blend of primarily K1 material provided an
average head grade to the process plant for Q3 of 19.2 g/t Au and
0.32% Cu. The gold head grade was above and the copper grade below
the anticipated long-term average grades. The above average gold
grades are the result of a combination of lower dilution being
achieved in the stope and development mining combined with a higher
proportion of K1 treated during the quarter, while the below budget
copper grades are the result of treating a higher proportion of
K1.
Importantly, the above budget production was
achieved despite a number of interruptions to underground mine
operations due to upgrading of underground infrastructure and
mining of three bypasses in the main incline associated with the
expansion project. Some interruption in plant operations was also
experienced during the quarter due to installation and
commissioning of the gravity circuit.
Financial details and a potential update of the
annual production guidance for 2019 will be available in the
Company’s upcoming Q3 Financial Report.
|
Table 1 – Q3 & YTD 2019 and 2018 Annual Production
Data |
|
|
|
2018 Total |
Q1 2019 |
Q2 2019 |
Q3 2019 |
2019 YTD |
Tonnes Processed |
T |
79,487 |
26,846 |
37,913 |
32,094 |
96,854 |
Feed Grade Au |
g/t |
19.1 |
23.6 |
16.7 |
19.2 |
19.5 |
Feed Grade Cu |
% |
0.38% |
0.48% |
0.34% |
0.32% |
0.37% |
Recovery (%) Au |
% |
93.7% |
93.7% |
93.2% |
94.1% |
93.7% |
Recovery (%) Cu |
% |
92.9% |
93.9% |
92.5% |
92.1% |
92.8% |
Metal in Conc Prod Au |
Oz |
45,810 |
19,125 |
18,980 |
18,636 |
56,741 |
Metal in Conc Prod Cu |
T |
277.27 |
119.78 |
118.73 |
94.94 |
333.45 |
Metal in Conc Prod Ag |
Oz |
10,069 |
5,564 |
6,894 |
5,284 |
17,742 |
Gold Equivalent Production* |
Oz |
47,237 |
19,788 |
19,652 |
19,170 |
58,610 |
|
|
|
|
|
|
|
John Lewins, K92 Chief Executive Officer and
Director, stated, “The production results for the third quarter
reflect the robustness of the Kora North deposit and the ability of
the team at Kainantu to deliver on operational performance, while
also focusing on major capital and infrastructure projects for the
expansion. The plant treated 32,094 tonnes at a head grade of 19.2
g/t Au, resulting in production of 19,170 oz AuEq, which was 14%
above budget. The mine has now produced 58,610 oz AuEq in the first
three quarters of 2019, surpassing the 47,237 oz AuEq for the
entire 2018, and is well on target to meet our increased guidance
of 72,000 to 80,000 oz AuEq for 2019.
The Company continued to work on the expansion
of the Kora/Kora North Resource, with the two surface and three
underground rigs operating on the mine lease and 30 holes completed
during the quarter.
I am also extremely pleased to report that there
were no lost time injuries during the quarter, extending our period
without a lost time injury to 40 months.”
During Q1 the Company announced the commencement
of the expansion of the Kainantu Gold Mine in Papua New Guinea,
with a goal of doubling current capacity to 400,000 tonnes per
annum and increasing annual production to an average of 120,000
ounces of gold equivalent (oz AuEq).
Based on the preliminary economic assessment
(“PEA”) published in January 2019, the major results from the
decision to expand production include:
- Total Capital Expenditure for 2019
is projected to be US$30 million, comprising US$12 million in
expansion capital, US$8 million in sustaining capital and US$10
million in capital development;
- Production is projected to be
68-75,000 oz AuEq in 2019 and 115-125,000 oz AuEq in 2020;
- Cash Costs are expected to be
between US$580 and US$620 per oz AuEq, and All in Sustaining Costs
(“AISC”) are expected to be US$780 to US$820 per oz AuEq in 2019,
dropping to Cash Costs below US$500 per oz AuEq and AISC below
US$700 per oz AuEq in 2020;
- Employment is expected to increase
from the current 650 to 750 by the end of 2019, and to 800 by the
end of 2020, with over 96% of all positions in-site being filled by
PNG Nationals;
- Based on the results of the
PEA:○ Total production over the next 13 years would be 1.33
million oz gold and 130 million lbs copper;○ Total Revenue for the
period would be over US$2 billion;○ Royalty payments for the period
would be US$50 million;○ Tax paid to PNG Government for the period,
from payroll and corporate tax, would total US$300 million;○ Total
sustaining capital of US$202 million would be required over the
13-year period; and○ Net Cashflow would be US$1.03 billion, the Net
Present Value (“NPV5”) would be US$710 million pre-tax, or US$559
million after tax, and the Internal Rate of Return (“IRR”) would be
in excess of 350%.
The PEA is preliminary in nature and includes
inferred mineral resources that are considered too speculative
geologically to have the economic considerations applied to them
that would enable them to be categorized as mineral reserves, and
there is no certainty that the PEA will be realized. Mineral
Resources that are not Mineral Reserves do not have demonstrated
economic viability. The Company’s decision to expand production is
not based on a feasibility study of mineral reserves demonstrating
the economic and technical viability of the expansion. As a result,
there is increased uncertainty of the economic and technical risks
of failure associated with the decision.
K92 engaged H and S Consultants Pty Ltd to
complete a Mineral Resource Estimate for the Kora North Deposit
(Table 1). This resource together with the previously reported Kora
Mineral Resource Estimate dated March 2017 (Table 2) provide the
resource base for the updated PEA.
K92 engaged Mincore Pty Ltd (“Mincore”) to
complete the PEA for the expansion of the existing processing plant
to double its capacity to approximately 400,000 tonnes per annum.
The study found that the current crushing, milling and concentrate
handling circuits have sufficient capacity to treat the Kora mine
material at a rate of 400,000 tpa, subject to upgrading the
crushing and flotation circuits and plant services. The estimated
total cost of such expansion and upgrading would be US$3.7 million,
including EPC and commissioning with a contingency of 10%.
The technical report containing the PEA, titled,
“Independent Technical Report, Mineral Resources Estimate Update
and Preliminary Economic Assessment of Kora North and Kora Gold
Deposits, Kainantu Project, Papua New Guinea” with an effective
date of September 30, 2018 (the “Technical Report”) was prepared by
Anthony Woodward BSc (Hons.), M.Sc., MAIG, Simon Tear BSc (Hons),
EurGeol, PGeo IGI, EurGeol, Christopher Desoe BE (Min)(Hons),
FAusIMM, RPEQ, MMICA, Lisa J. Park, BEng (Chem), GAICD, FAusIMM.
Refer to the Company’s news release dated January 8, 2018 for a
summary of the results of the PEA. The PEA can be found under the
Company’s profile on SEDAR.
The Company engaged Australian Mine and
Development Pty Ltd (“AMDAD”) to undertake the PEA mine plan for
Kora and Kora North, which involved:
- applying financial and processing
parameters to determine cut-off grades for stope design;
- generating three-dimensional stope
shapes and mining inventory using the CAE Mineable Shape Optimiser
(MSO) program;
- creating a conceptual development
layout to suit the MSO inventory;
- producing a project cash-flow
model; and
- producing a simple mining schedule
as input to the cash-flow model.
The key results from the PEA for the combined
Kora North and Kora deposits are as follows:
- Could have a 13-year operating life
and treat 4.9 million tonnes @ 9.0 g/t Au, 20 g/t Ag & 1.3% Cu
(11.0 g/t Au Eq*);
- Could achieve an estimated pre-tax
NPV of US$710 million (US$559 million after-tax) using current
metal prices, exchange rate and a 5% discount rate;
- Initial capital cost estimated to
be US$13.6 million, including US$3.7 million for the plant upgrade
identified in the Mincore Scoping Study;
- The additional combined development
and sustaining capital cost is estimated at US$202 million spent
over the life of mine;
- Operating cost per tonne estimated
to be US$163/tonne for the first five years and US$153/tonne
thereafter;
- Cash cost estimated to be US$429/oz
Au Eq (inclusive of a 2.5% Net Smelter Royalty) and AISC of
US$615/oz Au Eq;
- Production of an estimated 135,000
Au oz and 2,100 Cu tonnes over a 5-year period from 2019 through to
2023, with average production of 90,000 Au oz and 6,500 Cu tonnes
for the balance of the life of mine; and
- Current metal prices used were: Au
- US$1,300/oz; Ag – US$15/oz; Cu – US$2.90/lb.*AuEq – calculated on
above Current Metal Prices.
The Kora North resource estimate was defined
after just twelve months of underground exploration drilling.
|
Table 2 - Kora North Mineral Resource
Estimate |
|
Global Mineral Resources Kora North Gold-Copper Mine -
October 2018 |
Category |
Tonnes |
Gold |
Silver |
Copper |
AuEq |
|
Mt |
g/t |
Mozs |
g/t |
Mozs |
% |
Mlbs |
g/t |
Mozs |
Measured |
0.15 |
18.7 |
0.09 |
8.9 |
0.04 |
0.5 |
1.6 |
19.6 |
0.09 |
Indicated |
0.69 |
11.6 |
0.26 |
14.1 |
0.31 |
0.8 |
11.8 |
12.9 |
0.29 |
Total M & I |
0.85 |
12.9 |
0.35 |
13.1 |
0.36 |
0.7 |
13.3 |
14.1 |
0.39 |
Inferred Total |
1.92 |
10.7 |
0.66 |
13.3 |
0.82 |
0.7 |
29.5 |
11.9 |
0.74 |
|
M in table is millions. |
|
The Mineral Resources estimate was prepared and
verified by Simon Tear (PGEO), consultant to the Company and a
director of independent consultancy of H & S Consultants Pty.
Ltd., Sydney, Australia (October 2018).
Key Assumptions and Parameters of Kora
and Kora North Resource Estimate
Mineralization comprises two parallel, steeply
west dipping, N-S striking quartz-sulphide vein systems, K1 &
K2, within an encompassing dilatant structural zone hosted by
phyllite. An additional structure, the Kora Link, has also been
defined and provides a possible link between the two main vein
systems.
Underground drilling consists of diamond core
for a range of core sizes depending on length of hole and expected
ground conditions. Sampling is sawn half core under geological
control and generally ranges between 0.5m and 1m. Underground face
sampling is completed for every fired round and is to industry
standard.
QAQC data indicated no significant issues with
the accuracy of the on-site analysis.
Core recovery of the mineral zone was initially
90%, this has improved to >95%. There is no relationship between
core recovery and gold grade. Geological logging is consistent and
is based on a full set of logging codes covering lithology,
alteration and mineralization.
The geological interpretation of the vein
systems is represented as 3D wireframe solids snapped to a
combination of diamond drillhole data and underground face
sampling. Definition of the wireframes is based on identified gold
mineralisation in drillcore nominally at a 0.2g/t Au cut off in
conjunction with geological control/sense and current mining
widths.
Gold Equivalent (AuEq) g/t was calculated using
the formula Au g/t +(Cu% x 1.53) + Ag g/t x 0.0127. (No account of
metal recoveries through the plant have been used in calculating
the metal equivalent grade. However, production is currently
achieving 93% metal recovery for both gold and copper and gold is
currently providing 95% and copper 5% of the total revenue of the
mine).
Gold price US$1,300/oz; Silver US$16.5/oz;
Copper US$2.90/lb.
The mineral resource estimate for the Kora
deposit is based on the technical report prepared in accordance
with National Instrument 43-101 – Standards of Disclosure for
Mineral Projects (“NI 43-101”), and titled, “Mineral Resource
Update and Preliminary Economic Assessment of Irumafimpa and Kora
Gold Deposits, Kainantu Project, Papua New Guinea," with an
effective date of March 2, 2017. This provides additional
information on the geology of the deposits, drilling and sampling
procedures, lab analysis, and quality assurance/quality control for
the project, and additional details on the resource estimates.
Mineral Resources that are not Mineral Reserves do not have
demonstrated economic viability.
|
Table 3 – Irumafimpa and Kora/Eutompi Resource
Estimates |
|
Resource by Deposit and Category |
Deposit |
ResourceCategory |
Tonnes |
Gold |
Silver |
Copper |
Gold Equiv |
Mt |
g/t |
Moz |
g/t |
Moz |
% |
Mlb |
g/t |
Moz |
Irumafimpa |
Indicated |
0.56 |
12.8 |
0.23 |
9 |
0.16 |
0.28 |
37 |
13.4 |
0.24 |
Inferred |
0.53 |
10.9 |
0.19 |
9 |
0.16 |
0.27 |
74 |
11.5 |
0.20 |
Kora/Eutompi |
Inferred |
4.36 |
7.3 |
1.02 |
35 |
4.9 |
2.23 |
215 |
11.2 |
1.57 |
Total Indicated |
0.56 |
12.8 |
0.23 |
9 |
0.16 |
0.3 |
4.0 |
13.4 |
0.24 |
Total Inferred |
4.89 |
7.7 |
1.21 |
32 |
5.06 |
2.0 |
218 |
11.2 |
1.76 |
|
M in table is millions. Reported tonnage and
grade figures are rounded from raw estimates to reflect the order
of accuracy of the estimate. Minor variations may occur during the
addition of rounded numbers. Gold equivalents are calculated as
AuEq = Au g/t + Cu%*1.52+ Ag g/t*0.0141. |
|
K92 Mine Geology Manager and Mine Exploration
Manager, Mr. 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. Data verification
by Mr. Kohler includes significant time onsite reviewing drill
core, face sampling, underground workings and discussing work
programs and results with geology and mining personnel.
About K92
K92 Mining Inc. is engaged in the production of
gold, copper and silver from the Kora and Kora North deposits of
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
has commenced an expansion of the mine. An updated Preliminary
Economic Assessment on the property was published in January 2019.
K92 is operated by a team of mining company 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 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 regarding K92 Mining Inc.’s
future financial or operating performance 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 forward-looking statements in this
news release are based on the opinions and estimates of management
as of the date such statements are made and are subject to
important risk factors and uncertainties, many of which are beyond
the Company’s ability to control or predict. 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
Gold Mine; the generation of further drilling results; expectations
of future cash flows; expectations of future production results;
expected success of the proposed plant expansion; potential
expansion of resources; any which may or may not occur.
Forward-looking statements and information contained herein are
based on certain factors and assumptions regarding, among other
things: there being no significant disruptions affecting the
Company’s operations; political and legal developments in Papua New
Guinea being consistent with the Company’s current expectations;
the accuracy of K92’s current mineral reserve and mineral resource
estimates; the exchange rate between the Canadian dollar and U.S.
dollar, and the Papua New Guinea Kina, being approximately
consistent with current levels; prices for fuel, electricity and
other key supplies being approximately consistent with current
levels; equipment, labour and materials costs increasing on a basis
consistent with K92’s current expectations; all required permits,
licenses and authorizations being obtained from the relevant
governments and other relevant stakeholders within the expected
timelines and the absence of material negative comments during the
applicable regulatory processes; the market price of the Company’s
securities; metal price;, ;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; 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.
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