Gold
reserves increase by 14% to more than 2.7 million
ounces
Hecla Mining Company (NYSE:HL) today reported the second highest
silver reserves in its 130-year history and provided an update on
its exploration programs during the fourth quarter of 2021 and
plans for 2022.
RESERVES & RESOURCES HIGHLIGHTS
- Silver reserves increased to 200 million ounces with Greens
Creek increasing 12%.
- Gold production was replaced, and reserves increased by
14%.
- Measured and indicated resources declined primarily due to
conversion to reserves.
- Inferred resources increased 8% for silver and 2% for
gold.
- Extended or maintained already long reserve mine lives.
FOURTH QUARTER EXPLORATION HIGHLIGHTS
- Greens Creek drilling upgraded and expanded resources in 4 of
the 9 zones.
- Drilling from Casa Berardi’s 9 rigs converted and expanded
resources and discovered new mineralized structures.
- Midas exploration defined and expanded mineralization on the
Sinter Structure and intersected high-grade mineralization on two
new structures that are open along the East Graben Corridor.
- Hollister drilling from the new decline confirmed multiple new
veins zones at the Hatter Graben resource.
- San Sebastian’s El Bronco and El Tigre veins reported initial
inferred resources.
- 2022 exploration and pre-development planned spend of $45
million.
“Hecla’s silver reserves are near our all time high with Greens
Creek reaching 125 million ounces, that mine’s second highest since
2002, and Lucky Friday’s 75 million ounces giving it a reserve mine
life in excess of 15 years,” said Phillips S. Baker, Jr., President
and CEO. “Since 2008, Hecla has, through exploration, added 239
million silver ounces in reserves, replacing production while also
growing resources. We see further growth in reserves, resources,
and production from our exciting exploration program. With the
increasing need for silver to contribute to the transition to
cleaner energy, Hecla has both the largest silver reserve and
production in the United States which positions us to meet demand
long into the future.”
YEAR-END 2021 RESERVES AND RESOURCES
2021 proven and probable silver reserves were the second highest
in Hecla’s history at 200 million ounces. The Company not only
replaced silver production (15.2 million silver ounces contained),
but also increased proven and probable reserves by 6%, or 11.5
million ounces over 2020. Gold production was also replaced
(244,680 gold ounces contained) and proven and probable reserves
increased 14% to 2.7 million ounces. Zinc production of 71,000 tons
was replaced and reserves increased 2% to a total of 907,000 tons.
Lead production of 49,000 tons was nearly replaced with a slight
decrease of 1% to 735,000 tons. Reserve price assumptions for 2021
were $17.0/oz silver, $1,600/oz gold, $1.15/lb. zinc, and $0.90/lb.
lead.
Measured and indicated silver ounces decreased 9% to 207 million
ounces, from its record level in 2020, due to conversion to
reserves at Greens Creek and Lucky Friday. Measured and indicated
gold ounces decreased 6% to 3.5 million ounces due to conversion to
reserves at Casa Berardi and Greens Creek.
Inferred silver resources increased 8% to 491 million ounces
while inferred gold resources increased 2% to 5.6 million ounces
due to increases at Greens Creek, Lucky Friday, San Sebastian in
Mexico, and Midas in Nevada.
Greens Creek
At Greens Creek, 2021 production across all four metals was
replaced and silver, gold, zinc, and lead reserves increased by
12%, 14%, 11%, and 11%, respectively, over 2020 reserves.
Measured and indicated silver resources at year-end 2021 were
107 million ounces, a 7% decrease over 2020 due to conversion to
reserves. Inferred silver resources increased 18% given renewed
exploration drilling and increased metal prices to a total of 27.5
million ounces.
Casa Berardi
At Casa Berardi, 2021 mining depletion was replaced and gold
reserves increased 16%, or an addition of 242,000 ounces over 2020
to 1.8 million ounces. The increase is mostly due to additions at
the 160 Open Pit.
Measured and indicated gold resources decreased 16% overall from
2020 (-89% open pit and -4% underground) to 1.1 million ounces due
to conversion to reserves and higher cut-off grades given increased
mining costs. Reserve conversions were mostly seen in the 160 Open
Pit zones. Inferred gold resources declined 17% from 2020 given
conversion to higher resource classes and reserves.
Lucky Friday
At the Lucky Friday, proven and probable reserves are currently
75 million ounces of silver (3% lower from 2020), 452,440 tons of
lead and 181,020 tons of zinc.
Measured and indicated silver resources decreased 8% to 80
million ounces over 2020; lead and zinc measured and indicated
resources decreased 6% and 4%, respectively. Decrease in measured
and indicated resources is due to conversion to reserves.
Inferred resources significantly increased year-over-year and
include 42 million ounces of silver (+65%), 311,850 tons of lead
(+62%) and 129,600 tons of zinc (+55%). Increase in inferred
resources is mostly due to additions in the upper portions of the
30 Vein adjacent to reserve blocks; drilling plans are in place to
better define these resources in order to convert them to
reserve.
A breakdown of the Company’s reserves and resources is set out
in Table A at the end of this news release.
EXPLORATION AND PRE-DEVELOPMENT UPDATE
Exploration and pre-development expenses totaled $12.9 million
for the fourth quarter and $47.9 million for the full year, which
was a record and an increase of $29.6 million compared to 2020.
Exploration Update for Fourth Quarter, 2021
At Casa Berardi, six underground and three surface core
drills focused on resource conversion and exploration drilling to
upgrade and expand resources in the West, Principal, and East mine
areas. Drilling in the West Mine targeted the eastern edge of the
113 Zone to define continuity and expand mineralization to the
east. Highlights from this drilling include intercepts grading 0.46
oz/ton gold over 12.5 feet and 0.39 oz/ton gold over 13.1 feet.
Drilling in the Principal Mine targeted the upper part of the
123 Zone and the western part of the 124 Zone and successfully
extended and confirmed the continuity of both zones. Highlights
from this drilling include intercepts grading 0.69 oz/ton gold over
11.2 feet and 0.52 oz/ton gold over 9.2 feet. Drilling in the 124
Zone targeted mineralized lenses at the contact between a volcanic
and sedimentary unit south of the Casa Berardi Fault. Results from
this drilling confirms the presence of the mineralized structure
west of the current 124-22 lens with intercepts including 0.21
oz/ton gold over 27.9 feet and 0.13 oz/ton over 11.2 feet.
Drilling in the East Mine targeted upgrading and expanding
mineralization in the 146 and 148 zones. Many assay results are
pending; results received to date from the 146 Zone drilling
consists of wide zones of low-grade gold mineralization with narrow
internal high-grade intervals. Similarly, drilling in the 148 Zone
expanded mineralization to the south of the Casa Berardi fault zone
with intercepts including 0.13 oz/ton gold over 26.2 feet with
narrow internal higher-grade intervals.
Detailed 3D geologic modeling and target definition has been
completed for the West, Principal, and East mine areas.
At Greens Creek, two underground core drills focused on
resource conversion in the 9A and 200 South zones and exploration
in the 200 South and Gallagher Fault Block zones. Highlights from
the 9A drilling include intercepts containing 29.2 oz/ton silver,
0.39 oz/ton gold, 19.0% zinc, and 10.6% lead over 8.0 feet and 19.2
oz/ton silver, 0.14 oz/ton gold, 10.5% zinc, and 6.4% lead over
14.0 feet. Drilling in the 200 South Zone targeted expanding and
upgrading resources in the central and southern portions of the
zone. While numerous assay results are pending, highlights include
intercepts containing 60.0 oz/ton silver, 0.02 oz/ton gold, 8.6%
zinc and 4.1% lead over 4.6 feet and 25.7 oz/ton silver, 0.23
oz/ton gold, 2.0% zinc, and 1.0% lead over 6.0 feet.
Drilling at Midas intersected narrow, high-grade gold and
silver mineralization along the Sinter Structure, and identified
two new mineralized structures, the Racer and Hanging Wall (HW1)
Structures. Recent drillhole intersections in the Sinter Structure
include 0.25 oz/ton gold and 63.9 oz/ton silver over 0.9 feet
estimated true thickness. Mineralization is hosted in quartz
carbonate veining which is locally fractured and crushed due to
post-mineral fault movement. Sinter mineralization has been
intersected over 3,200 feet of strike length and continues to be
open for expansion both along strike and dip.
Our first drillhole testing the Racer Structure returned
significant assay results of 0.84 oz/t gold and 0.6 oz/t silver
over 1.9 feet estimated true thickness. This structure is
characterized by intense argillization and brecciation with
localized calcite and quartz veinlets. Mineralization remains open
along strike and up and down dip.
HW1, a new low angle hanging wall structure has also been
identified through geologic interpretation between the Racer and
Sinter Structures. Intercepts to date on the HW1 structure include
1.22 oz/ton gold and 0.7 oz/ton silver over 0.8 feet estimated true
thickness and 0.03 oz/ton gold and 9.4 oz/ton silver over 2.6 feet
estimated true thickness. The orientation and grade distribution
along the structure is currently being investigated.
At Hollister, the development drift advanced at the
Hatter Graben exploration area allowing completion of the first
drillhole that targeted and confirmed multiple zones of banded
quartz veins and veinlets south of the existing resource.
Intercepts from this initial drillhole include 1.27 oz/ton gold and
1.1 oz/ton silver over 0.9 feet estimated true thickness and 0.23
oz/ton gold and 7.7 oz/ton silver over 1.0 foot estimated true
thickness.
Exploration at San Sebastian included deeper drill
testing in both the El Bronco and El Toro vein systems in addition
to drill testing of four Short Vertical Reverse Circulation (SVRC)
anomalies and geologic studies. Assay results from the deeper
drilling confirm vein continuity at depth at both El Bronco and El
Tigre and intersected a new hanging wall vein at El Tigre.
More complete drill assay highlights can be found in Table B at
the end of the release.
Montana Pre-development Update
Hecla has withdrawn the Plan of Operations for Rock Creek and
Montanore from consideration by the United States Forest Service
(USFS). These plans were prepared by each project’s prior owner and
do not have the data necessary for Hecla to formulate a modern mine
plan. The Company intends to submit a new Plan of Operations for
just the Montanore site that will be limited to geologic and
environmental evaluation activities only. If approved and
subsequent data collection and analysis activities suggest
development of a mine is feasible and economic, then a new Plan of
Operations for construction and development at Montanore would be
submitted to the USFS. While no activities beyond care and
maintenance are currently planned for Rock Creek, mineral and other
property rights there will not be impacted.
2022 Exploration Program
More than a quarter of the total expenditures in 2022 are
planned for Casa Berardi (16%) and Greens Creek (11%) exploration.
Exploration at both Casa Berardi and Greens Creek is focused on
replacing production and expansion of high-grade underground
reserves and resources through drill testing and conversion of
inferred resource to reserves.
At Casa Berardi, underground definition drilling will
focus on the following areas: 1) the 118 and 119 zones expanding
resources to the west and east of the current reserves, 2) the
high-grade plunge at depth and to the east in the Lower 123 Zone in
addition to infilling the gap between the Lower 123 and Upper 123
zones, and 3) upgrading resource at depth in the 148 Zone.
Exploration drilling will focus on testing the high-grade up and/or
down plunge extensions of the 113, 116, 118, 123, 128, 134, 146 and
148 zones as defined from the recent 3D geological modeling and
targeting completed in 2021. In addition to these underground
exploration programs within the mining lease at Casa Berardi,
surface sonic drilling is planned for initial testing of regional
target areas in the west, central, and east claim blocks along the
Casa Berardi Break. This drilling will enhance historic till
sampling in addition to mapping the subsurface bedrock lithologies,
alteration, and structures.
At Greens Creek, underground definition drilling will
focus on upgrading resources in the West, East, Southwest,
Gallagher, and 200 South ore zones while underground exploration
drilling will focus on extending mineralization along strike to the
south for the 200 South, Gallagher, and Gallagher Fault Block zones
in addition to targeting the westward extension of the East Ore
Zone above the Klaus Shear and an offset segment of the West Zone.
Surface exploration drilling will be focused on advancing the
understanding of the geology and discovery of new mineral zones in
the Lil’Sore trend and Lil’Sore Prospect target areas and extending
mineralization in the near mine 5250 and Upper Plate zones.
Nevada exploration is expected to be 30% of the total
planned expenditures, with drilling programs at Hollister, Midas,
and Aurora, in addition to detailed mapping, sampling, and target
generation at all three projects.
At Hollister, exploration of the Hatter Graben is
expected with further development of the decline setting up
exploration drilling to upgrade a portion of the current Hatter
Graben resource and explore additional Hatter Graben veins both to
the south and east of the current resource area. Pre-development
spend in 2022 will primarily be focused on advancing the Hatter
Graben decline and is estimated at 8% of the total expenditures. To
date 2,400 feet of development has been completed along with the
necessary ventilation and dewatering infrastructure, additional
footage is planned through the first half of 2022.
Exploration at Midas will focus on the two miles of
strike length along the Eastern Graben Corridor. Drilling will
focus on wide-spaced offsets along the Racer structural corridor
near intersections with the northeast oriented Owhyee structures,
structural splays off the Racer structure (Vapor Trail), and the
northern extension of Little Opal.
At Aurora, drilling is planned to test high-grade vein
extensions from historic production areas and the Sawtooth Ridge
target area.
San Sebastian represents 8% of the planned exploration
spend, focusing on evaluating both near surface and deeper precious
metal mineralization. Core drilling is planned to target deeper
mineralization in the Middle, North, Francine, El Toro, El Tigre,
and El Bronco vein systems. Core drilling will also target deeper
high-grade mineralization in the La Roca district which represents
a fully preserved epithermal system with strong acid sulfate
alteration at the surface. In addition, a Short Vertical Reverse
Circulation (SVRC) drilling program north of the San Sebastian Mine
area and into the southern portion of the La Roca district will
focus on defining new near-surface targets under cover.
Exploration programs are planned to be reinitiated in both the
Creede district in Colorado and Republic district in
Washington, and combined, accounts for approximately 10% of the
total expenditures with field work and surface drilling programs in
both districts. At Creede, drilling will focus on surface
drilling of the North Bulldog target testing previous narrow
high-grade mineralization deeper in the more favorable volcanic
sequence which was historically the best host to mineralization. We
also plan to initiate underground access and rehabilitation of the
main level in the Bulldog mine to eventually provide platforms for
underground drilling of the prospective veins.
Analytical turnaround times for assay results from the
ISO-certified analytical laboratories were delayed during 2021 due
to COVID-19 related staffing issues, increased sample load, and
supply chain issues. Currently there are 14,000 samples pending
assays with about 80% from Nevada. To support drill targeting, we
use ¼ core sample with secondary labs. Final assays will continue
to be delayed in 2022.
ABOUT HECLA
Founded in 1891, Hecla Mining Company (NYSE:HL) is the largest
silver producer in the United States. In addition to operating
mines in Alaska and Idaho, and Quebec, Canada, the Company owns a
number of exploration and pre-development properties in world-class
silver and gold mining districts throughout North America.
Cautionary Statement Regarding Forward
Looking Statements, Including 2022 Outlook
This news release contains “forward-looking statements” within
the meaning of Section 27A of the Securities Act of 1933, as
amended, and Section 21E of the Securities Exchange Act of 1934, as
amended, which are intended to be covered by the safe harbor
created by such sections and other applicable laws, including
Canadian securities laws. Words such as “may”, “will”, “should”,
“expects”, “intends”, “projects”, “believes”, “estimates”,
“targets”, “anticipates” and similar expressions are used to
identify these forward-looking statements. Such forward-looking
statements may include, without limitation our planned exploration
program for 2022.
Estimates or expectations of future events or results are based
upon certain assumptions, which may prove to be incorrect. Such
assumptions, include, but are not limited to: (a) there being no
significant change to current geotechnical, metallurgical,
hydrological and other physical conditions; (b) permitting,
development, operations and expansion of the Company’s projects
being consistent with current expectations and mine plans; (c)
political/regulatory developments in any jurisdiction in which the
Company operates being consistent with its current expectations;
(d) the exchange rate for the Canadian dollar to the U.S. dollar,
being approximately consistent with current levels; (e) certain
price assumptions for gold, silver, lead and zinc; (f) prices for
key supplies being approximately consistent with current levels;
(g) the accuracy of our current mineral reserve and mineral
resource estimates; (h) there being no significant changes to our
plans for 2022 and beyond due to COVID-19 or any other public
health issue, including, but not limited to with respect to
availability of employees, vendors and equipment; and (i) the
Company’s plans for development and production will proceed as
expected and will not require revision as a result of risks or
uncertainties, whether known, unknown or unanticipated. Where the
Company expresses or implies an expectation or belief as to future
events or results, such expectation or belief is expressed in good
faith and believed to have a reasonable basis. However, such
statements are subject to risks, uncertainties and other factors,
which could cause actual results to differ materially from future
results expressed, projected or implied by the “forward-looking
statements.” Such risks include, but are not limited to gold,
silver and other metals price volatility, operating risks, currency
fluctuations, increased production costs and variances in ore grade
or recovery rates from those assumed in mining plans, community
relations, conflict resolution and outcome of projects or
oppositions, litigation, political, regulatory, labor and
environmental risks, and exploration risks and results, including
that mineral resources are not mineral reserves, they do not have
demonstrated economic viability and there is no certainty that they
can be upgraded to mineral reserves through continued exploration.
For a more detailed discussion of such risks and other factors, see
the Company’s 2020 Form 10-K, filed on February 18, 2021, with the
Securities and Exchange Commission (SEC), as well as the Company’s
other SEC filings, including the Company's 2021 10-K expected to be
filed on February 22, 2022. The Company does not undertake any
obligation to release publicly revisions to any “forward-looking
statement,” including, without limitation, outlook, to reflect
events or circumstances after the date of this news release, or to
reflect the occurrence of unanticipated events, except as may be
required under applicable securities laws. Investors should not
assume that any lack of update to a previously issued
“forward-looking statement” constitutes a reaffirmation of that
statement. Continued reliance on “forward-looking statements” is at
investors’ own risk.
Cautionary Statements to Investors on
Reserves and Resources
This news release uses the terms “mineral resources”, “measured
mineral resources”, “indicated mineral resources” and “inferred
mineral resources”. Mineral resources that are not mineral reserves
do not have demonstrated economic viability. You should not assume
that all or any part of measured or indicated mineral resources
will ever be converted into mineral reserves. Further, inferred
mineral resources have a great amount of uncertainty as to their
existence and as to whether they can be mined legally or
economically, and an inferred mineral resource may not be
considered when assessing the economic viability of a mining
project, and may not be converted to a mineral reserve. On October
31, 2018, the SEC adopted new mining disclosure rules (“S-K 1300”)
that is more closely aligned with current industry and global
regulatory practices and standards, including National Instrument
43-101 – Standards of Disclosure for Mineral Projects (“NI 43-101”)
which we comply with because we also are a “reporting issuer” under
Canadian securities laws. While S-K 1300 is more closely aligned
with NI 43-101 than the prior SEC mining disclosure rules, there
are some differences. NI 43-101 is a rule developed by the Canadian
Securities Administrators, which established standards for all
public disclosure an issuer makes of scientific and technical
information concerning mineral projects. Unless otherwise
indicated, all resource and reserve estimates contained in this
press release have been prepared in accordance with NI 43-101, as
well as S-K 1300.
Qualified Person (QP) Pursuant to
Canadian National Instrument 43-101
Kurt D. Allen, MSc., CPG, VP - Exploration of Hecla Mining
Company and Keith Blair, MSc., CPG, Chief Geologist of Hecla
Limited, who serve as a Qualified Person under National Instrument
43-101("NI 43-101"), supervised the preparation of the scientific
and technical information concerning Hecla’s mineral projects in
this news release. Information regarding data verification, surveys
and investigations, quality assurance program and quality control
measures and a summary of analytical or testing procedures for the
Greens Creek Mine are contained in a technical report titled
“Technical Report for the Greens Creek Mine” effective date
December 31, 2018, and for the Lucky Friday Mine are contained in a
technical report titled “Technical Report for the Lucky Friday Mine
Shoshone County, Idaho, USA” effective date April 2, 2014, for Casa
Berardi are contained in a technical report titled "Technical
Report on the mineral resource and mineral reserve estimate for
Casa Berardi Mine, Northwestern Quebec, Canada" effective date
December 31, 2018 (the "Casa Berardi Technical Report"), and for
the San Sebastian Mine, Mexico, are contained in a technical report
prepared for Hecla titled “Technical Report for the San Sebastian
Ag-Au Property, Durango, Mexico” effective date September 8, 2015 .
Also included in these three technical reports is a description of
the key assumptions, parameters and methods used to estimate
mineral reserves and resources and a general discussion of the
extent to which the estimates may be affected by any known
environmental, permitting, legal, title, taxation, socio-political,
marketing, or other relevant factors. Information regarding data
verification, surveys and investigations, quality assurance program
and quality control measures and a summary of sample, analytical or
testing procedures for the Fire Creek Mine are contained in a
technical report prepared for Klondex Mines, dated March 31, 2018;
the Hollister Mine dated May 31, 2017, amended August 9, 2017; and
the Midas Mine dated August 31, 2014, amended April 2, 2015. Copies
of these technical reports are available under Hecla's and
Klondex's profiles on SEDAR at www.sedar.com. Mr. Allen and Mr.
Blair reviewed and verified information regarding drill sampling,
data verification of all digitally collected data, drill surveys
and specific gravity determinations relating to all the mines. The
review encompassed quality assurance programs and quality control
measures including analytical or testing practice, chain-of-custody
procedures, sample storage procedures and included independent
sample collection and analysis. This review found the information
and procedures meet industry standards and are adequate for Mineral
Resource and Mineral Reserve estimation and mine planning
purposes.
Table A
Mineral Reserves –
12/31/2021(1)
Proven Reserves(1)
Silver
Gold
Lead
Zinc
Copper
Silver
Gold
Lead
Zinc
Copper
Asset
Tons (000)
(oz/ton)
(oz/ton)
%
%
%
(000 oz)
(000 oz)
(Tons)
(Tons)
(Tons)
Greens Creek (2,3)
2
9.6
0.08
1.7
4.5
-
18
0.1
30
80
-
Lucky Friday (2,4)
4,691
13.9
-
8.4
3.4
-
65,313
-
395,290
159,360
-
Casa Berardi Open Pit (2,5)
4,763
-
0.10
-
-
-
-
453
-
-
-
Casa Berardi Underground (2,5)
923
-
0.16
-
-
-
-
143
-
-
-
Total.
10,378
65,331
596
395,320
159,440
-
Probable Reserves(6)
Silver
Gold
Lead
Zinc
Copper
Silver
Gold
Lead
Zinc
Copper
Asset
Tons (000)
(oz/ton)
(oz/ton)
%
%
%
(000 oz)
(000 oz)
(Tons)
(Tons)
(Tons)
Greens Creek (2,3)
11,074
11.3
0.09
2.5
6.6
-
125,201
946
282,220
725,830
-
Lucky Friday (2,4)
765
12.3
-
7.5
2.8
-
9,386
-
57,160
21,650
-
Casa Berardi Open Pit (2,5)
13,371
-
0.07
-
-
-
-
928
-
-
-
Casa Berardi Underground (2,5)
1,695
-
0.15
-
-
-
-
259
-
-
-
Total.
26,905
134,587
2,133
339,380
747,480
-
Proven and Probable
Reserves
Silver
Gold
Lead
Zinc
Copper
Silver
Gold
Lead
Zinc
Copper
Asset
Tons (000)
(oz/ton)
(oz/ton)
%
%
%
(000 oz)
(000 oz)
(Tons)
(Tons)
(Tons)
Greens Creek (2,3)
11,076
11.3
0.09
2.5
6.6
-
125,219
946
282,250
725,920
-
Lucky Friday (2,4)
5,456
13.7
-
8.3
3.3
-
74,699
-
452,440
181,020
-
Casa Berardi Open Pit (2,5)
18,134
-
0.08
-
-
-
-
1,381
-
-
-
Casa Berardi Underground (2,5)
2,618
-
0.15
-
-
-
-
403
-
-
-
Total.
37,283
199,918
2,730
734,690
906,940
-
(1) The term “reserve” means an estimate
of tonnage and grade or quality of indicated and measured resources
that, in the opinion of the qualified person, can be the basis of
an economically viable project. More specifically, it is an
economically mineable part of a measured or indicated mineral
resource, which includes diluting materials and allowances for
losses that may occur when the material is mined or extracted. The
term “proven reserves’ means the economically mineable part of a
measured mineral resource and can only result from conversion of a
measured mineral resource. Reserves are reported in accordance with
Section 1300 of Regulation S-K of the Securities Act of 1933, as
amended and NI 43-101. See footnotes 7 and 8 below.
(2) Mineral reserves are based on $17/oz
silver, $1600/oz gold, $0.90/lb lead, $1.15/lb zinc, unless
otherwise stated.
(3) The reserve NSR cut-off grades for
Greens Creek are $215/ton for all zones at Greens Creek except the
Gallagher Zone at $220/ton; metallurgical recoveries (actual 2021):
81.26% silver, 72.34% gold, 82.29% lead, 89.58% zinc
(4) The reserve NSR cut-off grades for
Lucky Friday are $216.19 for the 30 Vein and $230.98 for the
Intermediate Veins; metallurgical recoveries (actual 2021): 95.18%
silver, 94.62% lead, 89.97% zinc
(5) The average reserve cut-off grades at
Casa Berardi are 0.101 oz/ton gold (3.47 g/tonne) for underground
and 0.037 oz/ton (1.27 g/tonne) for open pit. Metallurgical
recovery (actual 2021): 84.82% gold; US$/CAN$ exchange rate:
1:1.275.
(6) The term “probable reserves” means the
economically mineable part of an indicated and, in some cases, a
measured mineral resource. See footnotes 8 and 9 below.
Totals may not represent the sum of parts
due to rounding
Mineral Resources –
12/31/2021(7)
Measured Resources(8)
Silver
Gold
Lead
Zinc
Copper
Silver
Gold
Lead
Zinc
Copper
Asset
Tons (000)
(oz/ton)
(oz/ton)
%
%
%
(000 oz)
(000 oz)
(Tons)
(Tons)
(Tons)
Greens Creek (11,12)
-
-
-
-
-
-
-
-
-
-
-
Lucky Friday (11,13)
8,652
7.6
-
4.9
2.5
-
65,752
-
425,100
213,480
-
Casa Berardi Open Pit (11,14)
96
-
0.04
-
-
-
-
4
-
-
-
Casa Berardi Underground (11,14)
2,272
-
0.15
-
-
-
-
351
-
-
-
San Sebastian - Oxide (15)
-
-
-
-
-
-
-
-
-
-
-
San Sebastian - Sulfide (15)
-
-
-
-
-
-
-
-
-
-
-
Fire Creek (16,17)
20
0.7
0.50
-
-
-
14
10
-
-
-
Hollister (16,18)
18
4.9
0.59
-
-
-
87
10
-
-
-
Midas (16,19)
2
7.6
0.68
-
-
-
14
1
-
-
-
Heva (20)
-
-
-
-
-
-
-
-
-
-
-
Hosco (20)
-
-
-
-
-
-
-
-
-
-
-
Star (21)
-
-
-
-
-
-
-
-
-
-
-
Total.
11,060
65,867
377
425,100
213,480
-
Indicated Resources (9)
Silver
Gold
Lead
Zinc
Copper
Silver
Gold
Lead
Zinc
Copper
Asset
Tons
(000)
(oz/ton)
(oz/ton)
%
%
%
(000 oz)
(000 oz)
(Tons)
(Tons)
(Tons)
Greens Creek (11,12)
8,355
12.8
0.10
3.0
8.4
-
106,670
836
250,040
701,520
-
Lucky Friday (11,13)
1,841
7.6
-
5.1
2.4
-
14,010
-
93,140
44,120
-
Casa Berardi Open Pit (11,14)
420
-
0.03
-
-
-
-
14
-
-
-
Casa Berardi Underground (11,14)
4,976
-
0.14
-
-
-
-
685
-
-
-
San Sebastian - Oxide (15)
1,453
6.5
0.09
-
-
-
9,430
135
-
-
-
San Sebastian - Sulfide (15)
1,187
5.5
0.01
1.9
2.9
1.2
6,579
16
22,420
34,100
14,650
Fire Creek (16,17)
113
1.0
0.45
-
-
-
114
51
-
-
-
Hollister (16,18)
70
1.9
0.58
-
-
-
130
40
-
-
-
Midas (16,19)
76
5.7
0.42
-
-
-
430
32
-
-
-
Heva (20)
1,266
-
0.06
-
-
-
-
76
-
-
-
Hosco (20)
29,287
-
0.04
-
-
-
-
1,201
-
-
-
Star (21)
1,126
2.9
-
6.2
7.4
-
3,301
-
69,900
83,410
-
Total.
50,168
140,663
3,088
435,500
863,150
14,650
Measured & Indicated
Resources
Silver
Gold
Lead
Zinc
Copper
Silver
Gold
Lead
Zinc
Copper
Asset
Tons (000)
(oz/ton)
(oz/ton)
%
%
%
(000 oz)
(000 oz)
(Tons)
(Tons)
(Tons)
Greens Creek (11,12)
8,355
12.8
0.10
3.0
8.4
-
106,670
836
250,040
701,520
-
Lucky Friday (11,13)
10,493
7.6
-
4.9
2.5
-
79,762
-
518,240
257,600
-
Casa Berardi Open Pit (11,14)
516
-
0.03
-
-
-
-
18
-
-
-
Casa Berardi Underground (11,14)
7,248
-
0.14
-
-
-
-
1,036
-
-
-
San Sebastian - Oxide (15)
1,453
6.5
0.09
-
-
-
9,430
135
-
-
-
San Sebastian - Sulfide (15)
1,187
5.5
0.01
1.9
2.9
1.2
6,579
16
22,420
34,100
14,650
Fire Creek (16,17)
134
1.0
0.46
-
-
-
128
61
-
-
-
Hollister (16,18)
88
2.5
0.58
-
-
-
217
51
-
-
-
Midas (16,19)
78
5.7
0.43
-
-
-
444
33
-
-
-
Heva (20)
1,266
-
0.06
-
-
-
-
76
-
-
-
Hosco (20)
29,287
-
0.04
-
-
-
-
1,201
-
-
-
Star (21)
1,126
2.9
-
6.2
7.4
-
3,301
-
69,900
83,410
-
Total….
61,229
206,530
3,464
860,600
1,076,630
14,650
Inferred Resources(10)
Silver
Gold
Lead
Zinc
Copper
Silver
Gold
Lead
Zinc
Copper
Asset
Tons (000)
(oz/ton)
(oz/ton)
%
%
%
(000 oz)
(000 oz)
(Tons)
(Tons)
(Tons)
Greens Creek (11,12)
2,152
12.8
0.08
2.8
6.8
-
27,508
164
60,140
146,020
-
Lucky Friday (11,13)
5,377
7.8
-
5.8
2.4
-
41,872
-
311,850
129,600
-
Casa Berardi Open Pit (11,14)
7,886
-
0.05
-
-
-
-
383
-
-
-
Casa Berardi Underground 11,14)
2,239
-
0.18
-
-
-
-
408
-
-
-
San Sebastian - Oxide (15)
3,490
6.4
0.05
-
-
-
22,353
182
-
-
-
San Sebastian - Sulfide (15)
385
4.2
0.01
1.6
2.3
0.9
1,606
5
6,070
8,830
3,330
Fire Creek (16,17)
765
0.5
0.51
-
-
-
394
392
-
-
-
Fire Creek - Open Pit (22)
74,584
0.1
0.03
-
-
-
5,232
2,178
-
-
-
Hollister (18,18)
642
3.0
0.42
-
-
-
1,916
273
-
-
-
Midas (16,19)
1,232
6.3
0.50
-
-
-
7,723
615
-
-
-
Heva (20)
2,787
-
0.08
-
-
-
-
216
-
-
-
Hosco (20)
17,726
-
0.04
-
-
-
-
663
-
-
-
Star (21)
3,157
2.9
-
5.6
5.5
-
9,432
-
178,670
174,450
-
San Juan Silver (23)
3,594
11.3
0.01
1.4
1.1
-
40,716
36
51,750
40,800
Monte Cristo (24)
913
0.3
0.14
-
-
-
271
131
-
-
-
Rock Creek (25)
100,086
1.5
-
-
-
0.
148,736
-
-
-
658,680
Montanore (26)
112,185
1.6
-
-
-
0.7
183,346
-
-
-
759,420
Total…
339,200
491,103
5,644
608,480
499,700
1,421,430
Note: All estimates are in-situ except
for the proven reserves at Greens Creek which are in surface
stockpiles. Mineral resources are exclusive of reserves.
(7) The term "mineral resources" means a
concentration or occurrence of material of economic interest in or
on the Earth's crust in such form, grade or quality, and quantity
that there are reasonable prospects for economic extraction. A
mineral resource is a reasonable estimate of mineralization, taking
into account relevant factors such as cut-off grade, likely mining
dimensions, location or continuity, that, with the assumed and
justifiable technical and economic conditions, is likely to, in
whole or in part, become economically extractable. It is not merely
an inventory of all mineralization drilled or sampled. Resources
are reported in accordance with Section 1300 of Regulation S-K of
the Securities Act of 1933, as amended and NI 43-101.
(8) The term "measured resources" means
that part of a mineral resource for which quantity and grade or
quality are estimated on the basis of conclusive geological
evidence and sampling. The level of geological certainty associated
with a measured mineral resource is sufficient to allow a qualified
person to apply modifying factors, as defined in this section, in
sufficient detail to support detailed mine planning and final
evaluation of the economic viability of the deposit. Because a
measured mineral resource has a higher level of confidence than the
level of confidence of either an indicated mineral resource or an
inferred mineral resource, a measured mineral resource may be
converted to a proven mineral reserve or to a probable mineral
reserve.
(9) The term "indicated resources" means
that part of a mineral resource for which quantity and grade or
quality are estimated on the basis of adequate geological evidence
and sampling. The level of geological certainty associated with an
indicated mineral resource is sufficient to allow a qualified
person to apply modifying factors in sufficient detail to support
mine planning and evaluation of the economic viability of the
deposit. Because an indicated mineral resource has a lower level of
confidence than the level of confidence of a measured mineral
resource, an indicated mineral resource may only be converted to a
probable mineral reserve.
(10) The term "inferred resources" means
that part of a mineral resource for which quantity and grade or
quality are estimated on the basis of limited geological evidence
and sampling. The level of geological uncertainty associated with
an inferred mineral resource is too high to apply relevant
technical and economic factors likely to influence the prospects of
economic extraction in a manner useful for evaluation of economic
viability. Because an inferred mineral resource has the lowest
level of geological confidence of all mineral resources, which
prevents the application of the modifying factors in a manner
useful for evaluation of economic viability, an inferred mineral
resource may not be considered when assessing the economic
viability of a mining project and may not be converted to a mineral
reserve.
(11) Mineral resources are based on
$1700/oz gold, $21/oz silver, $1.15/lb lead, $1.35/lb zinc and
$3.00/lb copper, unless otherwise stated.
(12) The resource NSR cut-off grades for
Greens Creek are $215/ton for all zones at Greens Creek except the
Gallagher Zone at $220/ton; metallurgical recoveries (actual 2021):
81.26% silver, 72.34% gold, 82.29% lead, 89.58% zinc.
(13) The resource NSR cut-off grades for
Lucky Friday are $170.18 for the 30 Vein, $184.97 for the
Intermediate Veins and $207.15 for the Lucky Friday Vein;
metallurgical recoveries (actual 2021): 95.18% silver, 94.62% lead,
89.97% zinc.
(14) The average resource cut-off grades
at Casa Berardi are 0.089 oz/ton gold (3.06 g/tonne) for
underground and 0.036 oz/ton (1.22 g/tonne) for open pit;
metallurgical recovery (actual 2021): 84.82% gold; US$/CAN$
exchange rate: 1:1.275.
(15) Indicated resources for most zones at
San Sebastian based on $1500/oz gold, $21/oz silver, $1.15/lb lead,
$1.35/lb zinc and $3.00/lb copper using a cut-off grade of
$90.72/ton ($100/tonne); $1700/oz gold used for Toro, Bronco, and
Tigre zones. Metallurgical recoveries based on grade dependent
recovery curves: recoveries at the mean resource grade average 89%
silver and 84% gold for oxide material and 85% silver, 83% gold,
81% lead, 86% zinc, and 83% for copper for sulfide material.
Resources reported at a minimum mining width of 8.2 feet (2.5m) for
Middle Vein, North Vein, and East Francine, 6.5ft (1.98m) for El
Toro, El Bronco, and El Tigre, and 4.9 feet (1.5 m) for Hugh Zone
and Andrea.
(16) Mineral resources for Fire Creek,
Hollister and Midas are reported using $1500/oz gold and $21/oz
silver prices, unless otherwise noted. A minimum mining width is
defined as four feet or the vein true thickness plus two feet,
whichever is greater.
(17) Fire Creek mineral resources are
reported at a gold equivalent cut-off grade of 0.283 oz/ton.
Metallurgical recoveries: 90% gold, 70% silver.
(18) Hollister mineral resources,
including the Hatter Graben are reported at a gold equivalent
cut-off grade of 0.238 oz/ton. Metallurgical recoveries: 88% gold,
66% silver
(19) Midas mineral resources are reported
at a gold equivalent cut-off grade of 0.237 oz/ton. Metallurgical
recoveries: 90% gold, 70% silver. A gold-equivalent cut-off grade
of 0.1 oz/ton and a gold price of $1700/oz used for Sinter Zone
with resources undiluted.
(20) Measured, indicated and inferred
resources at Heva and Hosco are based on $1,500/oz gold. Resources
are without dilution or material loss at a gold cut-off grade of
0.01 oz/ton (0.33 g/tonne) for open pit and 0.088 oz/ton (3.0
g/tonne) for underground.
Metallurgical recovery: Heva: 95% gold,
Hosco: 87.7% gold.
(21) Indicated and Inferred resources at
the Star property are reported using $21 silver, $0.95 lead, $1.10
lead, a minimum mining width of 4.3 feet and a cut-off grade of
$100/ton; Metallurgical recovery: 93.38% silver, 93.33% lead,
86.96% zinc.
(22) Inferred open-pit resources for Fire
Creek calculated November 30, 2017, using gold and silver
recoveries of 65% and 30% for oxide material and 60% and 25% for
mixed oxide-sulfide material. Indicated Resources reclassified as
Inferred in 2019.
Open pit resources are calculated at $1400
gold and $19.83 silver and cut-off grade of 0.01 Au Equivalent
oz/ton and is inclusive of 10% mining dilution and 5% ore loss.
Open pit mineral resources exclusive of underground mineral
resources.
(23) Inferred resources reported at a
minimum mining width of 6.0 feet for Bulldog and a cut-off grade of
6.0 equivalent oz/ton silver and 5.0 feet for Equity and North
Amethyst vein at a cut-off grade of $50/ton and $100/ton; based on
$1400 Au, $26.5 Ag, $0.85 Pb, and $0.85 Zn.
Metallurgical recoveries based on grade
dependent recovery curves: recoveries at the mean resource grade
average 88% silver and 74% lead for the Bulldog and a constant 85%
gold and 85% silver for North Amethyst and Equity.
(24) Inferred resource at Monte Cristo
reported at a minimum mining width of 5.0 feet; resources based on
$1400 Au, $26.5 Ag using a 0.06 oz/ton gold cut-off grade.
Metallurgical recovery: 90% gold, 90% silver.
(25) Inferred resource at Rock Creek
reported at a minimum thickness of 15 feet and a cut-off grade of
$24.50/ton NSR; Metallurgical recoveries: 88% silver, 92%
copper.
Resources adjusted based on mining
restrictions as defined by U.S. Forest Service, Kootenai National
Forest in the June 2003 'Record of Decision, Rock Creek
Project'.
(26) Inferred resource at Montanore
reported at a minimum thickness of 15 feet and a cut-off grade of
$24.50/ton NSR; Metallurgical recoveries: 88% silver, 92%
copper.
Resources adjusted based on mining
restrictions as defined by U.S. Forest Service, Kootenai National
Forest, Montana DEQ in December 2015 'Joint Final EIS, Montanore
Project' and the February 2016 U.S Forest Service - Kootenai
National Forest 'Record of Decision, Montanore Project'.
Totals may not represent the sum of parts
due to rounding
Table B
Assay Results - Q4
2021
Casa Berardi (Quebec)
Zone
Drill Hole Number
Drill Hole
Section
Drill Hole Azm/Dip
Sample From (feet)
Sample To (feet)
True Width (feet)
Gold (oz/ton)
Depth From Mine Surface
(feet)
Surface 105 Zone
CBS-21-033B
10200
352/-63
2952.0
2958.6
3.6
0.04
-2547
105 Zone
CBS-21-033B
10200
352/-63
3567.0
3617.8
31.8
0.03
-3076
105 Zone
CBS-21-033B
10200
352/-63
3660.5
3718.5
40.5
0.03
-3150
105 Zone
Including
352/-63
3715.3
3718.5
3.0
0.25
-3170
105 Zone
CBS-21-035
10200
346/-60
2525.6
2527.6
1.6
0.17
-1834
105 Zone
CBS-21-035
10200
346/-60
3370.2
3372.8
2.3
0.10
-2225
UG 113 Zone
CBW-1159
11475
327/9
697.7
740.3
19.7
0.16
-3128
113 Zone
Including
327/9
701.9
706.8
1.6
0.87
-3129
113 Zone
CBW-1160
11505
327/-6
587.1
599.6
12.1
0.10
-3281
113 Zone
CBW-1160
11505
327/-6
617.3
628.8
10.5
0.33
-3280
113 Zone
CBW-1161
11505
330/10
688.8
701.9
13.1
0.39
-3148
113 Zone
Including
330/10
693.4
695.4
1.6
2.41
-3148
113 Zone
CBW-1161
11505
330/10
787.2
799.3
11.5
0.12
3156
113 Zone
CBW-1162
11505
330/2
636.3
650.4
12.5
0.46
-3214
113 Zone
Including
330/2
646.2
647.8
1.0
3.56
-3214
UG Lower 123 Zone
CBP-1070
12395
46/-60
647.5
655.0
3.3
0.13
-4039
123 Zone
CBP-1200
12395
50/-52
590.4
601.2
9.8
0.07
-3938
123 Zone
Including
50/-52
593.7
597.6
3.3
0.12
-3938
122 Zone
CBP-1202
12515
54/-25
543.5
570.1
16.4
0.01
-3717
123 Zone
CBP-1203
12495
54/-40
527.1
563.8
19.7
0.02
-3825
123 Zone
CBP-1203
12510
54/-40
627.5
635.0
4.3
0.08
-3874
UG Upper 123 Zone
CBP-1063
12377
203/14
130.9
142.0
4.9
0.10
-871
123 Zone
CBP-1064
12405
158/-24
219.8
231.2
8.5
0.16
-1650
123 Zone
CBP-1071
12375
139/-3
220.4
231.9
9.8
0.08
-910
123 Zone
CBP-1068
12377
185/17
137.8
150.6
11.2
0.69
-861
123 Zone
Including
185/17
137.8
141.0
2.6
1.34
-863
123 Zone
Including
185/17
144.3
145.6
1.0
1.87
-861
123 Zone
CBP-1075
12365
173/-27
186.3
200.4
9.2
0.52
-986
123 Zone
Including
173/-27
188.3
190.9
1.6
2.28
-984
123 Zone
CBP-1080
12377
118/28
167.3
182.4
14.8
0.63
-822
123 Zone
Including
118/28
167.3
170.6
3.0
2.68
-826
123 Zone
CBP-1082
12365
199/6
130.9
144.3
13.4
0.13
-889
123 Zone
CBP-1100
12365
199/62
219.8
231.2
8.2
0.19
-721
123 Zone
Including
199/62
229.3
231.2
1.6
0.86
-718
123 Zone
CBP-1101
12377
327/9
166.6
180.4
13.1
0.22
-788
123 Zone
Including
327/9
166.6
171.5
4.6
0.46
-791
123 Zone
CBP-1102
12365
183/54
196.8
216.5
18.0
0.16
-733
123 Zone
Including
183/54
196.8
198.8
1.3
0.73
-739
123 Zone
Including
183/54
213.2
216.5
2.3
0.48
-726
123 Zone
CBP-1110
12360
207/3
130.9
144.3
13.4
0.09
-893
123 Zone
Including
207/3
132.5
134.2
1.6
0.36
-894
123 Zone
Including
207/3
136.1
137.8
1.6
0.30
-893
123 Zone
CBP-1121
12360
146/55
266.3
278.8
11.2
0.05
-691
UG 124 Zone
CBP-1058
12365
25/-2
119.4
137.8
16.4
0.09
-582
124 Zone
Including
25/-2
134.5
137.8
2.6
0.25
-583
124 Zone
CBP-1058
12365
25/-2
207.3
219.8
11.2
0.13
-587
124 Zone
Including
25/-2
210.6
216.2
4.3
0.30
-587
124 Zone
CBP-1086
12345
2/32
208.3
237.1
27.9
0.21
-464
124 Zone
Including
2/32
211.6
218.1
5.6
0.58
-469
Surface 128 Zone
CBS-21-037
12765
200/-47
945.6
961.0
9.8
0.04
-725
128 Zone
CBS-21-039
12900
184/-61
393.6
410.0
7.9
0.06
-361
128 Zone
CBS-21-040
12900
186/-70
1721.0
1725.3
2.3
0.09
-1611
Surface 129 Zone
CBS-21-045
13140
11/-66
727.2
731.4
3.3
0.07
-662
129 Zone
CBS-21-045
13140
11/-66
784.6
788.2
2.6
0.04
-712
Surface 134 Zone
CBS-21-043
13260
155/-52
816.7
821.6
3.9
0.04
-604
134 Zone
CBS-21-043
13260
155/-52
929.9
947.9
12.1
0.06
-689
134 Zone
CBS-21-043
13340
155/-52
1012.9
1067.6
37.1
0.11
-760
134 Zone
Including
155/-52
1012.9
1038.1
17.1
0.19
-753
Surface 139 Zone
CBS-21-016
13850
1/-57
2124.8
2161.2
32.1
0.03
-1365
139 Zone
CBS-21-042
14000
13/-68
2440.3
2454.1
10.5
0.08
-1941
139 Zone
Including
13/-68
2450.2
2454.1
3.0
0.19
-2297
UG 148 Zone
CBE-0244
14935
347/-50
1262.8
1267.7
1.6
0.09
-2429
148 Zone
CBE-0245
14865
344/-65
1758.1
1804.3
26.2
0.13
-3010
148 Zone
Including
344/-65
1758.1
1765.6
4.3
0.35
-2995
148 Zone
Including
344/-65
1796.5
1804.3
4.6
0.27
-3025
UG 146 Zone
CBE-0301
14685
189/13
429.7
446.1
13.1
0.14
-1686
146 Zone
Including
189/13
433.0
437.2
3.3
0.43
-1687
146 Zone
CBE-0302
14685
189/20
429.7
442.8
13.1
0.19
-1650
146 Zone
Including
189/20
432.3
437.6
4.9
0.36
-1650
146 Zone
CBE-0303
14685
183/17
446.1
455.9
9.8
0.18
-1655
146 Zone
CBE-0304
14685
183/25
437.9
451.7
9.8
0.09
-1617
146 Zone
Including
183/25
449.0
451.7
2.6
0.31
-1615
146 Zone
CBE-0307
14685
195/8
380.5
420.8
39.4
0.10
-1726
146 Zone
Including
195/8
381.8
384.4
1.0
0.61
-1729
146 Zone
CBE-0309
14685
174/9
376.9
388.7
11.5
0.07
-1724
146 Zone
CBE-0313
14700
174/-5
403.4
418.9
13.1
0.08
-1821
146 Zone
CBE-0318
14655
195/-2
423.1
458.2
32.8
0.10
-1786
146 Zone
Including
195/-2
452.6
458.2
4.6
0.26
-1786
146 Zone
CBE-0321
14640
204/25
421.8
439.5
13.1
0.16
-1634
146 Zone
Including
204/25
421.8
423.8
1.3
0.34
-1636
Greens Creek (Alaska)
Zone
Drill Hole Number
Drill Hole Azm/Dip
Sample From (feet)
Sample To (feet)
True Width (feet)
Silver (oz/ton)
Gold (oz/ton)
Zinc (%)
Lead (%)
Depth From Mine Portal
(feet)
9A
GC5596
63/-13
208.5
221.0
8.0
29.2
0.39
19.0
10.6
-389
9A
GC5596
63/-13
233.0
236.0
1.9
27.5
0.27
19.1
9.8
-393
9A
GC5601
101/-62
174.0
175.6
1.3
16.7
0.02
7.2
5.2
-497
9A
GC5614
243/21
230.0
233.0
3.0
14.6
0.07
7.7
3.6
-154
9A
GC5616
243/51
183.0
195.8
12.8
7.2
0.20
4.1
3.0
-86
9A
GC5616
243/51
239.1
244.0
4.9
16.5
0.02
11.8
5.0
-43
9A
GC5618
243/63
98.0
99.1
1.1
4.0
0.01
8.9
4.8
-145
9A
GC5618
243/63
112.3
113.3
1.0
51.3
0.22
9.4
5.1
-131
9A
GC5618
243/63
239.0
240.5
0.6
7.9
0.02
7.3
2.3
-14
9A
GC5620
243/77
98.0
100.0
2.0
6.3
0.03
8.8
5.5
-136
9A
GC5620
243/77
105.0
106.0
1.0
67.3
0.11
8.1
3.9
-129
9A
GC5620
243/77
150.0
151.5
1.5
12.9
0.01
7.1
4.5
-86
9A
GC5621
243/41
198.0
203.5
5.4
17.4
0.03
31.2
18.7
-98
9A
GC5621
243/41
205.7
220.0
14.0
19.2
0.14
10.5
6.4
-89
9A
GC5652
63/6
0.0
24.0
24.0
4.6
0.03
12.2
5.7
-130
9A
GC5652
63/6
34.5
35.7
1.2
29.8
0.03
16.9
10.3
-129
9A
GC5652
63/6
45.0
46.5
1.5
5.5
0.01
6.2
3.6
-127
9A
GC5652
63/6
182.3
185.0
1.8
36.2
0.21
20.1
10.4
-114
9A
GC5652
63/6
196.0
200.8
3.1
38.2
0.27
10.9
5.2
-113
9A
GC5652
63/6
218.3
227.3
6.0
41.9
0.45
15.3
7.6
-111
200 South
GC5603
241/-39
272.8
277.4
4.6
60.0
0.02
8.6
4.1
-1242
200 South
GC5606
239/-72
824.9
829.5
4.5
21.1
0.13
0.6
0.3
-2074
200 South
GC5606
239/-72
834.5
836.5
2.0
14.4
0.05
0.3
0.2
-2082
200 South
GC5608
239/-80
777.0
780.2
2.9
7.5
0.19
0.3
0.2
-2055
200 South
GC5609
243/38
54.7
58.0
3.3
4.5
0.03
5.5
3.2
-1243
200 South
GC5610
243/-2
68.0
69.2
0.9
19.0
0.02
7.2
3.9
-1288
200 South
GC5613
238.4/-76
838.0
844.0
6.0
25.7
0.23
2.0
1.0
-2111
200 South
GC5623
222/-79
49.8
52.8
3.0
18.7
0.01
6.1
2.8
-1340
200 South
GC5623
222/-79
58.7
60.5
1.8
17.2
0.02
23.1
11.3
-1348
200 South
GC5624
186/-80
65.3
66.3
1.0
23.2
0.04
13.4
7.9
-1356
Midas (Nevada)
Zone
Drill Hole
Number
Drillhole Azm/Incl
Sample From (feet)
Sample To (feet)
Drilled Width (feet)
Est. True Width (feet)
Gold (oz/ton)
Silver (oz/ton)
Depth From Surface
(feet)
Sinter
DMC-00412
212/-53
1593.8
1595.0
1.2
0.9
0.25
63.9
-1292
Sinter
DMC-00414
60/-47
1788.0
1790.1
2.1
1.7
0.02
12.6
-1386
Sinter
DMC-00417
41/-63
2249.1
2256.8
7.7
3.9
0.00
0.0
-1920
Sinter
DMC-00418
43/-47
1702.8
1708.1
5.3
3.8
0.00
5.1
-1315
Sinter Splay
DMC-00418
43/-47
1723.0
1726.4
3.4
2.2
0.01
4.6
-1315
Sinter
DMC-00420
353/-51
2005.0
2005.8
0.8
0.6
0.00
0.0
-1380
FW1
DMC-00415
29/-53
1793.0
1793.4
0.4
0.4
0.43
0.4
-1625
FW1
DMC-00420
353/-51
2143.7
2144.5
0.8
0.6
0.00
2.1
-1554
FW1
DMC-00421
27/-45
1853.0
1856.0
3.0
2.6
0.06
17.0
-1391
Green Racer HW1
DMC-00392
242/-45
917.8
918.6
0.8
0.8
1.22
0.7
-649
HW1
DMC-00407
220/-45
1732.0
1735.7
3.7
2.6
0.03
9.4
-1288
Racer
DMC-00426
244/-45
1679.7
1681.9
2.2
1.9
0.84
0.6
-1151
Hollister (Nevada)
Zone
Drill Hole
Number
Drillhole
Azm/Incl
Sample From (feet)
Sample To (feet)
Drilled Width (feet)
Est. True Width (feet)
Gold (oz/ton)
Silver (oz/ton)
Depth From Surface
(feet)
Hatter Graben South
HUC-111
121/-20
1801.0
1801.6
0.6
0.4
0.12
12.7
-1369
Hatter Graben South
HUC-111
121/-20
2008.0
2009.3
1.3
0.9
1.27
1.1
-1365
Hatter Graben South
Including
2008.5
2009.3
0.8
0.6
2.05
1.4
-1365
Hatter Graben South
HUC-111
121/-20
2058.9
2060.0
1.1
0.5
0.09
1.8
-1362
Hatter Graben South
HUC-111
121/-20
2219.4
2220.2
0.8
0.7
0.30
3.2
-1367
Hatter Graben South
HUC-111
121/-20
2310.4
2311.2
0.8
0.4
0.08
0.7
-1370
Hatter Graben South
HUC-111
121/-20
2347.9
2348.8
0.9
0.3
0.02
0.6
-1371
Hatter Graben South
HUC-111
121/-20
2409.1
2409.9
0.8
0.4
0.04
0.7
-1373
Hatter Graben South
HUC-111
121/-20
2433.1
2434.4
1.3
1.0
0.23
7.7
-1377
Hatter Graben South
HUC-111
121/-20
2442.0
2444.0
2.0
1.5
0.15
1.6
-1377
San Sebastian (Mexico)
Zone
Drill Hole Number
Drill Hole Azm/Dip
Sample From (feet)
Sample To (feet)
True Width (feet)
Silver (oz/ton)
Gold (oz/ton)
Depth From Surface
(feet)
El Tigre Vein
SS-2129
45/-53
2539.4
2547.9
8.4
0.1
0.00
-2020
El Tigre Vein
SS-2132
45/-55
2183.0
2190.7
7.7
0.1
0.00
-1807
El Tigre Vein
SS-2134
45/-50
2228.0
2229.7
1.6
0.0
0.00
-1635
El Tigre Vein
SS-2137
45/-45
2631.2
2640.9
9.7
0.0
0.00
-1877
El Tigre HW Vein
SS-2129
45/-53
2444.3
2448.6
4.3
0.3
0.00
-1941
El Tigre HW Vein
SS-2132
45/-55
1642.2
1645.0
2.9
4.6
0.02
-1343
El Tigre HW Vein
SS-2132
45/-55
1655.3
1658.0
2.7
9.7
0.03
-1354
El Tigre HW Vein
SS-2134
45/-50
1499.0
1501.2
2.1
8.5
0.02
-1090
El Tigre HW Vein
SS-2134
45/-50
1522.1
1524.0
1.9
1.3
0.00
-1107
El Tigre HW Vein
SS-2134
45/-50
1548.6
1550.5
1.9
3.9
0.01
-1126
El Bronco Vein
SS-2130
35/-55
2091.0
2115.3
19.4
0.1
0.00
-1610
El Bronco Vein
SS-2131
35/-55
1571.7
1578.6
5.3
0.0
0.00
-1243
El Bronco Vein
SS-2131
35/-55
2176.1
2180.6
3.5
0.0
0.00
-1751
El Bronco Vein
SS-2133
35/-67
2098.1
2109.5
7.3
0.0
0.00
-1891
Category: Press Release
View source
version on businesswire.com: https://www.businesswire.com/news/home/20220217005404/en/
For further information, please contact:
Russell Lawlar Senior Vice President - CFO and Treasurer
Jeanne DuPont Senior Communication Coordinator
800-HECLA91 (800-432-5291) Investor Relations Email:
hmc-info@hecla-mining.com Website: http://www.hecla-mining.com
Hecla Mining (NYSE:HL)
Historical Stock Chart
From Jun 2024 to Jul 2024
Hecla Mining (NYSE:HL)
Historical Stock Chart
From Jul 2023 to Jul 2024