VANCOUVER, BC, March 20,
2023 /CNW/ - Panoro Minerals Ltd. (TSXV: PML)
(Lima: PML) (Frankfurt: PZM) (OTCQB: POROF) ("Panoro", the
"Company") is pleased to announce results of seven additional drill
holes from its infill and step-out drill program at the
Company's Cotabambas Cu/Au/Ag Project in southern Peru.
The principal intersections from the results are summarized as
follows, see Figures 1 and 2 for drillhole
locations:
North Pit
- Drillhole CB-209 intersected 133 m of a porphyry stock located to below both
the Preliminary Economic Assessment (PEA) and Mineral Resources
(MR) pit shells. This hole intersected five mineralized intervals
varying from 21.2 m to 136.9 m with grades grading from 0.20 to 0.67%
Cueq. Mineralization was intersected to more than
250 m below the PEA pit shell.
- Drillhole CB-212 intersected 74.0 m averaging 1.07% Cueq, including
35.1 m of mixed copper mineralization
grading 1.14% Cu, 0.33 g/t Au, 2.58 g/t Ag (1.43% Cueq) underlain
by 38.9 m of hypogene copper
mineralization averaging 0.46% Cu, 0.33 g/t Au, 3.0 g/t Ag (0.75%
Cueq). The hole was terminated due water flows, the target
zone will be re-drilled from an adjacent location.
- Drillhole CB-213 intersected two intervals of
primary copper sulfides of 155.4 m
and 107.1 m length averaging 0.62%
Cu, 0.34 g/t Au, 4.43 g/t Ag (0.93% Cueq) and 0.87% Cu, 0.77 g/t
Au, 4.24 g/t Ag (1.53% Cueq) respectively. The hole is
located to the north side of the North Pit and intersected high
grade mineralization from near surface.
- Drillhole CB-214 intersected 408.7m of primary copper sulfide averaging 0.74%
Cueq, including an interval of 117.7
m grading 1.21% Cu, 0.82 g/t Au, 11.36 g/t Ag (1.98% Cueq),
located to the southern part of the North Pit. The mineralized
porphyry stock was confirmed with over 240
m length and mineralization intersected to over 100 m below the PEA pit shell.
- Drillhole CB-216 intersected 184.2 m of mineralization from near surface
grading 0.43% Cu, 0.17 g/t Au, 2.68 g/t Au (0.59 %Cueq) from near
surface, including supergene mineralization grading 0.80% Cu, 0.13
g/t Au, 2.48 g/t Ag (0.93% Cu eq) and oxide mineralization grading
0.39 g/t Au, 4.77 g/t Ag.
South Pit
- Drillhole CB-215 intersected 325.3 m of primary copper mineralization
averaging 0.48% Cueq, including 114.0
m grading 0.44% Cu, 0.60 g/t Au, 2.62 g/t Ag (0.95% Cueq)
including 55.7 m grading 0.53% Cu,
0.83 gt Au, 3.08 g/t Ag (1.23% Cueq). Mineralization was
intersected to over 250 m below the
PEA pit shell and over 150 m to the east of CB-202.
Luquman Shaheen, President & CEO commented, "The drilling
results from the ongoing exploration program are very
encouraging. The program continues to intersect high grade
mineralization at the South Pit where the potential to increase the
total resource and increase the high-grade component of the
resource looks very positive. Intersections of over
100 m near or above 1% Cueq have the
potential to have important impacts to the proposed mine plan where
the potential to include higher grades early in the mine plan looks
likely. Results from the North Pit drilling continue to
delineate continuity of the high-grade zone within the PEA pit
shell with the potential to extend to below the PEA pit shell as
well as along strike to the north-east. Additional drilling
will target further growth areas of the high-grade zone
particularly to the south and east side of the South Pit and the
North side of the North pit."
DISCUSSION OF RESULTS
Drillholes CB-209, 211, 212, 213, 214 and 216 are targeting an
upgrade of the inferred resources to indicated category of the
high-grade zones located in the north and southern extremes of the
North Pit where continuity remains open at depth and along strike
to the northeast (Figure 1). The goal of the CB-215 is to
step-out the high-grade Cu-Au mineralization to the south and to
depth at the South Pit (Figure 2). Highlighted
intersection results are listed in the table below.
Drillhole
|
From
(m)
|
To
(m)
|
Length
(m)
|
Cu
%
|
Au
g/t
|
Ag
g/t
|
Cueq1
%
|
Mineralization
Type
|
CB-209
|
49.7
|
177.3
|
127.6
|
0.15
|
0.05
|
1.42
|
0.20
|
Primary
|
|
206.6
|
278.0
|
71.4
|
0.21
|
0.07
|
1.79
|
0.28
|
Primary
|
|
347.0
|
412.4
|
65.4
|
0.20
|
0.11
|
1.88
|
0.31
|
Primary
|
|
432.9
|
454.0
|
21.2
|
0.19
|
0.11
|
2.26
|
0.30
|
Primary
|
|
507.4
|
644.3
|
136.9
|
0.29
|
0.25
|
2.73
|
0.52
|
Primary
|
Including
|
539.2
|
597.8
|
58.6
|
0.36
|
0.34
|
3.75
|
0.67
|
Primary
|
CB-211
|
184.80
|
222.80
|
38.00
|
0.11
|
0.03
|
0.82
|
0.14
|
Primary
|
CB-212
|
0.00
|
74.00
|
74.00
|
0.78
|
0.33
|
2.80
|
1.07
|
Overall
|
Including
|
0.0
|
35.1
|
35.1
|
1.14
|
0.33
|
2.58
|
1.43
|
Mixed
|
Including
|
35.1
|
74.0
|
38.9
|
0.46
|
0.33
|
3.00
|
0.75
|
Primary
|
CB-213
|
8.2
|
163.6
|
155.4
|
0.62
|
0.34
|
4.43
|
0.93
|
Primary
|
Including
|
41.4
|
161.6
|
120.2
|
0.76
|
0.33
|
4.60
|
1.07
|
Primary
|
Including
|
41.4
|
119.0
|
77.6
|
0.87
|
0.35
|
5.27
|
1.20
|
Primary
|
Including
|
135.0
|
161.6
|
26.6
|
0.69
|
0.35
|
4.18
|
1.01
|
Primary
|
|
202.3
|
309.4
|
107.1
|
0.87
|
0.77
|
4.24
|
1.53
|
Primary
|
Include
|
204.3
|
275.2
|
70.9
|
1.23
|
1.13
|
5.65
|
2.19
|
Primary
|
CB-214
|
14.0
|
422.7
|
408.7
|
0.47
|
0.29
|
4.46
|
0.74
|
Primary
|
Including
|
91.4
|
209.1
|
117.7
|
1.21
|
0.82
|
11.36
|
1.98
|
Primary
|
Including
|
231.6
|
245.6
|
14.0
|
0.48
|
0.96
|
20.20
|
1.44
|
Primary
|
Including
|
260.6
|
315.3
|
54.7
|
0.28
|
0.15
|
3.07
|
0.43
|
Primary
|
Including
|
330.9
|
401.4
|
70.5
|
0.19
|
0.05
|
1.67
|
0.25
|
Primary
|
CB-216
|
3.5
|
187.7
|
184.2
|
0.43
|
0.17
|
2.68
|
0.59
|
Overall
|
Including
|
3.50
|
49.50
|
46.00
|
0.05
|
0.39
|
4.77
|
0.41
|
Gold Oxide
|
Including
|
49.5
|
125.4
|
75.9
|
0.80
|
0.13
|
2.48
|
0.93
|
Secondary
Sulfide
|
Including
|
125.4
|
187.7
|
62.3
|
0.24
|
0.07
|
1.38
|
0.31
|
Primary
|
CB-215
|
268.2
|
593.5
|
325.3
|
0.24
|
0.28
|
1.86
|
0.48
|
Primary
|
Including
|
397.5
|
511.5
|
114.0
|
0.44
|
0.60
|
2.62
|
0.95
|
Primary
|
Including
|
409.5
|
465.1
|
55.7
|
0.53
|
0.83
|
3.08
|
1.23
|
Primary
|
1. Cu
equivalent grade estimated at spot prices of Au=USD 1771/oz, Ag=USD
20.13/oz and Cu=USD 3.52/lb
|
SOUTH PIT
Drillhole CB-215 delineated the porphyry stock
across two intervals of 72 m and
104 m, intruding the diorite host
rock and generating a new high-grade zone extension to the south
end of the South Pit. This hole intersected high grade
mineralization to over 100 m below
the previously published CB-202 and intersected 325.3 m of primary copper mineralization
averaging 0.24% Cu, 0.28 g/t Au, 1.86 g/t Ag (0.48% Cueq),
including 114.0 m grading 0.44% Cu,
0.60 g/t Au, 2.62 g/t Ag (0.95% Cueq). This hole intersected the
high grade zone outside the limits of the PEA pit and extending
below the MR pit shell, representing a potential increase of
mineral resources in the southern extreme of the South pit
(Figure 3). The section shows the high grades extending at
depth where the potential to perform another step-out drillhole to
the east of CB-215 has the potential to further delineate
mineralization and potentially further expand the MR. The porphyry
stock is following a structural control to the southwest and hidden
below the andesite package.
NORTH PEA PIT
Drillhole CB-214 is an infill drill hole intersecting
240 m of the porphyry stock intruded
into the diorite host rock, and emplacing 408.7 m of primary copper sulfide averaging 0.47%
Cu, 0.29 g/t Au, 4.46 g/t Ag (0.74% Cueq). The
mineralization includes four intervals of the porphyry, of which
including 117.7 m intersection
averaging 1.21% Cu, 0.82 g/t Au, 11.36 g/t Ag (1.98%Cu
eq) located in the southern portion of the North pit (Figure
4). The high grade is related to the quartz stockwork occurring
almost exclusively into the porphyry stock, accompanied by a
mineralogy of chalcopyrite, minor pyrite and an alteration assembly
composed by orthoclase, magnetite, chlorite and sericite. CB-214
replaced the previous drillhole CB-205 which was stopped due to
water flow from the borehole.
Drillhole CB-213 is an infill drill hole targeting
mineralization 100 m below CB-73. The
results delineated two intervals of primary copper sulfide of
155.4 m length averaging 0.62% Cu,
0.34 g/t Au, 4.43 g/t Ag (0.93% Cueq) hosted in the diorite
intrusive and 107.1 m length grading
0.87% Cu, 0.77 g/t Au, 4.24 g/t Ag (1.53% Cueq) hosted in the
porphyry stock. The intervals are separated by an interval of
43 m length of barren latite dike.
This hole is in the north extreme of the North pit and leaves open
the potential for mineralization to the Northeast direction. The
figure (Figure 5) shows the potential for CB-213 to increase
the volume of the high grade in this part of the North pit.
Drillhole CB-216 targeted mineralization located
100 m below CB-43 in the north
extreme of the North pit where the hole intersected 184.2 m of copper mineralization grading 0.43%
Cu, 0.17 g/t Au, 2.68 g/t Ag (0.59 % Cueq), including supergene
mineralization of 46.0 m of gold
oxide mineralization averaging 0.39 g/t Au, 4.77 g/t Ag and 0.05%
Cu and, underlain by 75.9 m of a
secondary copper sulfides grading 0.80% Cu, 0.13 g/t Au, 2.48 g/t
Ag (0.93% Cueq), and overlaying an interval of 62.3 m of hypogene copper mineralization
averaging 0.24% Cu, 0.07 g/t Ag, and 1.38 g/t Ag (0.31% Cueq). The
mineralization is in the porphyry and the diorite of the footwall
(Figure 6).
Drillhole CB-212 is an infill hole also located to the
north side of the North Pit and was terminated at 74m due to water flows from the borehole. The
drillhole intersected 74.0 m
averaging 0.78% Cu, 0.33 g/t Au, 2.80 g/t Ag (1.07% Cueq),
including 35.1 m of mixed copper
mineralization grading 1.14% Cu, 0.33 g/t Au, 2.58 g/t Ag (1.43%
Cueq) underlain by 38.9 m of hypogene
copper mineralization averaging 0.46% Cu, 0.33 g/t Au, 3.00 g/t Ag
(0.75% Cueq). This hole targeted the continuity of the high-grade
zone of the porphyry stock intersected at depth by previous holes
CB-75 and CB-11. The target zone will be redrilled from an
adjacent location at a suitable angle (Figure 7).
Drillhole CB-209 is located near the southern
extreme of the North pit and started as an infill inside the PEA
pit but also explored the high grades intersected previously at
depth by the hole CB-140. CB-209 crossed a total of 644 m averaging 0.25% Cueq identifying
133 m of a porphyry stock at depth,
near and below the west side limit of the MR pit shell. Prior to
intersecting the porphyry this hole intersected five intervals of
hypogene copper mineralization, varying from 21.2 m to 136.9 m
in length with grades from 0.20% Cueq to 0.67% Cueq. The potassic
alteration conformed by orthoclase, magnetite, secondary biotite is
centered by the porphyry stock and overprinted by the SCC
alteration (sericite, chlorite, clay) related to grades above 0.2%
Cu and 0.10 g/t Au in the top of the hole. The new high grade
intersected at depth may represent a potential for resources
increase in the incoming estimation (Figure 8).
Drillhole CB-211, located near the surface in the
southwest extreme of the North pit, between 100 m to 150 m
above the drillhole CB-209. This hole intersected a copper anomaly
of primary sulfides along 38.0 m
length and averaging 0.14% Cueq. This hole permit to constrain the
copper mineralization to the south-east side of the North pit
(Figure 8).
The Company's priority is continuing with the step out drilling
program in the South Pit, to incorporate new high grade mineral
resources and upgrading to indicated categories. In parallel, the
re-logging of drillholes and geologic modelling updates are
progressing in our core shack in Cusco. The drilling campaign
started in April 28/2022 and to date has accumulated approximately
10,000 m of the plan of 16,970 m.
About Panoro
Panoro is a uniquely positioned Peru-focused copper development company. The
Company is advancing its flagship Cotabambas Copper-Gold-Silver
Project located in the strategically important area of southern
Peru.
The Company's objective is to complete a Prefeasibility study in
2023 with work programs commencing in Q1 2022.
At the Cotabambas Project, the Company will first focus on
delineating resource growth potential and optimizing metallurgical
recoveries. These objectives are expected to further enhance
the project economics as part of the Prefeasibility studies during
2022 and 2023. Exploration and step-out drilling from 2017,
2018 and 2019 have already identified the potential for both oxide
and sulphide resource growth.
Summary of Cotabambas Project Resources 1
Project
|
Resource
Classification
|
Million
Tonnes
|
Cu (%)
|
Au (g/t)
|
Ag (g/t)
|
Mo (%)
|
CuEq %
|
Cotabambas1
Cu/Au/Ag
|
Indicated
|
117.1
|
0.42
|
0.23
|
2.74
|
0.001
|
0.59
|
Inferred
|
605.3
|
0.31
|
0.17
|
2.33
|
0.002
|
0.44
|
@ 0.20% CuEq cutoff,
effective October 2013, Tetratech
|
|
1. Cotabambas
Project, Apurimac, Peru, NI 43-101 Technical Report on Updated
Preliminary Economic Assessment, amec foster wheeler and Moose
Mountain Technical Services, 22 September 2015
|
A PEA has been completed for the Cotabambas Project; the key
results are summarized below:
Summary of Cotabambas Project PEA Results
Key Project
Parameters
|
|
Cotabambas Cu/Au/Ag
Project1
|
Process Feed, life of
mine
|
million
tonnes
|
483.1
|
Process Feed,
daily
|
tonnes
|
80,000
|
Strip Ratio, life of
mine
|
|
1.25 : 1
|
Before
Tax1
|
NPV7.5%
|
million US$
|
1,053
|
IRR
|
%
|
20.4
|
Payback
|
years
|
3.2
|
After
Tax1
|
NPV7.5%
|
million US$
|
684
|
IRR
|
%
|
16.7
|
Payback
|
years
|
3.6
|
Annual
Average
Payable
Metals
|
Cu
|
thousand
tonnes
|
70.5
|
Au
|
thousand
ounces
|
95.1
|
Ag
|
thousand
ounces
|
1,018.4
|
Mo
|
thousand
tonnes
|
-
|
Initial Capital
Cost
|
million US$
|
1,530
|
1.
Project economics estimated at commodity prices of; Cu = US$
3.00/lb, Au = US$ 1,250/oz, Ag = US$ 18.50/oz, Mo = US$ 12/lb
|
PEAs are considered preliminary in nature and include Inferred
Mineral Resources that are considered too speculative to have the
economic considerations applied that would enable classification as
Mineral Reserves. There is no certainty that the conclusions within
the PEAs will be realized. Mineral Resources are not Mineral
Reserves and do not have demonstrated economic viability.
Luis Vela, a Qualified Person
under National Instrument 43-101, has reviewed and approved the
scientific and technical information in this press release.
On behalf of the Board of Panoro Minerals Ltd.
Luquman Shaheen. M.B.A., P. Eng, P.E.
President &
CEO
CAUTION REGARDING FORWARD LOOKING STATEMENTS:
Information and statements contained in this news
release that are not historical facts are "forward-looking
information" within the meaning of applicable Canadian securities
legislation and involve risks and uncertainties.
Examples of forward-looking information and statements contained
in this news release include information and statements with
respect to:
- Panoro delineating growth potential at the Cotabambas Project,
while optimizing project economics.
- mineral resource estimates and assumptions; and
- the PEAs, including, but not limited to, base case parameters
and assumptions, forecasts of net present value, internal rate of
return and payback.
Various assumptions or factors are typically applied in drawing
conclusions or making the forecasts or projections set out in
forward-looking information. In some instances, material
assumptions and factors are presented or discussed in this news
release in connection with the statements or disclosure containing
the forward-looking information and statements. You are cautioned
that the following list of material factors and assumptions is not
exhaustive. The factors and assumptions include, but are not
limited to, assumptions concerning: metal prices and by-product
credits; cut-off grades; short and long term power prices;
processing recovery rates; mine plans and production scheduling;
process and infrastructure design and implementation; accuracy of
the estimation of operating and capital costs; applicable tax and
royalty rates; open-pit design; accuracy of mineral reserve and
resource estimates and reserve and resource modeling; reliability
of sampling and assay data; representativeness of mineralization;
accuracy of metallurgical test work; and amenability of upgrading
and blending mineralization.
Forward-looking statements are subject to a variety of known and
unknown risks, uncertainties and other factors which could cause
actual events or results to differ materially from those expressed
or implied by the forward-looking statements, including, without
limitation:
- risks relating to metal price fluctuations
- risks relating to estimates of mineral resources, production,
capital and operating costs, decommissioning, or reclamation
expenses, proving to be inaccurate
- the inherent operational risks associated with mining and
mineral exploration, development, mine construction and operating
activities, many of which are beyond Panoro's control
- risks relating to Panoro's or its partners' ability to enforce
legal rights under permits or licenses or risk that Panoro or its
partners will become subject to litigation or arbitration that has
an adverse outcome
- risks relating to Panoro's or its partners' projects being
in Peru, including political,
economic, and regulatory instability
- risks relating to the uncertainty of applications to obtain,
extend or renew licenses and permits
- risks relating to potential challenges to Panoro's or its
partners' right to explore or develop projects
- risks relating to mineral resource estimates being based on
interpretations and assumptions which may result in less mineral
production under actual circumstances
- risks relating to Panoro's or its partners' operations being
subject to environmental and remediation requirements, which may
increase the cost of doing business and restrict operations
- risks relating to being adversely affected by environmental,
safety and regulatory risks, including increased regulatory burdens
or delays and changes of law
- risks relating to inadequate insurance or inability to obtain
insurance
- risks relating to the fact that Panoro's and its partners'
properties are not yet in commercial production;
- risks relating to fluctuations in foreign currency exchange
rates, interest rates and tax rates;
- risks relating to Panoro's ability to raise funding to continue
its exploration, development, and mining activities; and
- counterparty risk under Panoro's agreements.
This list is not exhaustive of the factors that may affect the
forward-looking information and statements contained in this news
release. Should one or more of these risks and uncertainties
materialize, or should underlying assumptions prove incorrect,
actual results may vary materially from those described in the
forward-looking information. The forward-looking information
contained in this news release is based on beliefs, expectations,
and opinions as of the date of this news release. For the
reasons set forth above, readers are cautioned not to place undue
reliance on forward-looking information. Panoro does not
undertake to update any forward-looking information and statements
included herein, except in accordance with applicable securities
laws.
Neither the TSX Venture Exchange nor its Regulation Services
Provider (as that term is defined in the policies of the TSX
Venture Exchange) accepts responsibility for the adequacy or
accuracy of this release.
SOURCE Panoro Minerals Ltd.