Exploration budget increasing by $1.1 million
for additional drilling at San Sebastian
Hecla Mining Company (NYSE:HL) today provided an update on its
exploration programs during the second quarter.
Second Quarter Exploration Highlights
- High-grade intersections at the East
Francine Vein confirm a robust resource and, in combination with
the East Middle Vein resource nearby, may represent a new
underground mining area at San Sebastian.
- Drilling of the West Middle Vein has
confirmed potential new reserves that are close to the underground
development at San Sebastian.
- Additional $1.1 million in planned
exploration expenditures at San Sebastian to identify deeper, base
metal rich mineralization in the Middle and West Francine veins
with similar minerology as the Hugh Zone.
- Company expects to have sufficient
material at San Sebastian to fill the mill, and has secured it,
through 2020.
- Surface drilling has defined resources
that may increase the number and size of the open pits along the
Casa Berardi Fault.
- Drilling of East Ore, NWW and Upper
Plate zones should convert resources into reserves in the upper and
central part of the Greens Creek Mine.
“Our continued and focused exploration programs at San
Sebastian, Casa Berardi and Greens Creek are paying off with
potential pit expansions and the discovery of new high-grade zones
underground,” said Phillips S. Baker, Jr., President and CEO. “At
San Sebastian, we have discovered new high-grade underground
mineralization on the Middle and East Francine veins and
mineralization on new veins that have the potential to further
extend mine life. Four years after acquiring Casa Berardi, we
continue to have success identifying high-grade reserves
underground and expanding the open pit potential. Finally, drilling
at Greens Creek is upgrading resources to reserves, confirming our
understanding of the mineralized trends and discovering new
mineralization.”
San Sebastian
Due to significant drilling success over the past four years,
near-surface, high-grade zones are being open pit mined on the
project. Now reserves are being developed for underground mining.
During the quarter three core drills were active along the Middle
and Francine veins, refining recently discovered resources to
prolong high margin metals production and on drilling the newly
defined San Judas veins. A RC (reverse circulation) drill has been
drilling newly identified mineralized veins north and northwest of
the mine area.
In-fill holes were drilled along the western portion of the
Middle Vein to aid stope design for underground mine
development. Recent high-grade intercepts of the Middle Vein
immediately west of the current underground mine development
include 0.03 oz/ton gold, 12.2 oz/ton silver, 1.0% lead, 1.5%
zinc, and 0.9% copper over 11.0 feet. Significantly, these
intercepts are to the west of the current underground mine
development and could expand the near-term underground mine plan in
this area. Although these veins are narrow they show good
continuity and are open to the west and at depth. Deeper drilling
in this area has identified similar base metal-bearing
mineralization to the previously discovered Hugh Zone at depth in
the Francine Vein. Significant drilling will be initiated to
evaluate the potential of “Hugh Zone-like” base metal
mineralization at depth along the Middle and West Francine veins
targeting high temperature Fluid Inclusion and Raman Spectrometry
data.
In late 2016, a new ore shoot at the East Francine Vein
was discovered and drilling has defined an area over 800 feet of
strike length and 600 feet down dip. We are also exploring for new
ore shoots in the vicinity. Recent assay results from the East
Francine Vein include 0.72 oz/ton gold and 288.2 oz/ton silver
over 4.6 feet and 0.68 oz/ton gold and 136 oz/ton silver over
4.7 feet. Drilling of the East Middle Vein, which defines an
area over 700 feet of strike length and 600 feet down-dip, recently
intersected 0.23 oz/ton gold and 18.6 oz/ton silver over 6.7
feet. The East Middle Vein is open along strike to the east and is
parallel to recently discovered mineralization along the East
Francine Vein. The proximity of these two resources may provide the
critical mass to develop a new mining area east of historic mining
of the Francine Vein.
In the fall of 2016, the San Judas Vein was discovered by
RC drilling approximately 1,000 feet north of the North Vein open
pit. Drilling results in the second quarter include
0.01 oz/ton gold and 3.7 oz/ton silver over 5.2 feet, although
a number of assays are pending. The San Judas Vein has very large
size potential and has only been drill tested over a fraction of
its known strike length.
For the remainder of the year, drilling will seek to expand
further the precious metal-rich resources along the Middle, North
and Francine veins and evaluate new vein targets such as the San
Judas and Zapata Norte veins. This program will also evaluate
deeper base metal targets on the Middle and Francine veins. Shallow
RC drilling from 1,000 to 3,000 feet northwest of the North Vein
intersected the western extension of the San Judas Vein carrying
anomalous gold and silver values. A DC (Direct Current) resistivity
geophysical survey at San Sebastian was conducted during the second
quarter to evaluate vein extensions to the Middle, North and
Francine veins.
More complete drill assay highlights from San Sebastian can be
found in Table A at the end of this release and a presentation
showing drill intersection locations is available at the
following http://ir.hecla-mining.com/interactive/newlookandfeel/4130678/Hecla-Q2-2017-ExplorationUpdate.pdf.
Casa Berardi – Quebec
During the second quarter five underground drills were used to
refine stope designs and expand reserves and resources in the 118,
123, and 124 zones. Up to three drills on surface completed both
in-fill and exploration drilling to define a possible series of
open pit areas along the Casa Berardi Fault.
Drilling of the Lower 118 Zone confirmed the continuity
of multiple mineralized lenses that extend for over 1,600 feet
down-plunge and remain open to depth below the bottom of the
current workings. This drilling also confirmed previous
intersections from surface drilling and expanded the resource to
the west. The new resources to the west show strong mineralization
and included intersections of 0.18 oz/ton gold over 26.0 feet and
0.23 oz/ton gold over 17.1 feet.
Drilling of stacked, high-grade lenses of the 123 Zone
show that mineralized lenses identified higher in the mine extend
to depth and define a semi-continuous mineralized zone of over
3,000 feet down dip and 1,600 feet of strike length. Initial
drilling lower in the mine suggests sulfide-rich mineralization is
open to the east and to depth. Drilling of the lower 123
Zone at the bottom of the mine confirmed the high-grade
resource model with intersections of 0.74 oz/ton gold over 18.3
feet and 0.25 oz/ton gold over 40.4 feet and suggest there is good
potential to find mineralization down-plunge below the current
workings of the mine. The proximity of these new lenses to mine
infrastructure should enable near-term production. Underground
definition and exploration drilling of the 124 Zone
intersected extensions of earlier defined lenses from surface,
returning 0.33 oz/ton gold over 9.8 feet and 0.22 oz/ton over 20.6
feet, and showing the lenses that start on surface remain open
down-plunge to the east.
The surface open pit potential on the mine property is good and
a series of potential pits along the Casa Berardi Fault are being
investigated. Surface drilling along the northeast extension of the
proposed Principal Pit area confirmed its continuity to the
northeast and includes an intersection of 0.18 oz/ton gold over
82.0 feet and shows the potential to increase a future Principal
pit.
Recent surface drilling near the Casa Berardi Fault at the
134 Zone has identified a series of high-grade, sub-parallel
veins including 0.32 oz/ton gold over 42.2 feet within broad zones
of mineralization including 0.10 oz/ton gold over 105.1 feet that
show promise for an open pit. Definition drilling of the 160
Zone, including 0.15 oz/ton gold over 66.0 feet and 0.25 oz/ton
gold over 16.6 feet has upgraded the resource to indicated resource
category, and is the basis for the current investigation into the
viability of an open pit.
Surface drilling of the west extension of the East Mine Crown
Pillar (EMCP) pit and southwest on the adjacent 146 Zone
has intersected strong mineralization including 0.11 oz/ton gold
over 35.8 feet that shows continuity and may extend the open pit.
Surface drilling west of the West Shaft has intersected strong
mineralization up-dip of the Lower Inter and South West zones
including 0.07 oz/ton gold over 180 feet and is an early indication
of the near-surface potential. Assay results from drilling in the
West Block of Casa Berardi confirmed gold mineralization
near the Casa Berardi Fault and include 0.13 oz/ton gold over 17.9
feet and 0.14 oz/ton gold over 3.5 feet. These drill results
are being compiled and targets defined for a follow-up program next
year.
Due to the identification of new resource trends near surface
and underground throughout the West Mine, there was a significant
increase in inferred ounces in 2016. In-fill drilling in 2017 may
convert a large portion of those to indicated category with the
eventual incorporation into the life of mine plan and exploration
drilling continues to expand these mineralized zones.
More complete drill assay highlights from Casa Berardi can be
found in Table A at the end of the release and a presentation
showing drill intersection locations is available at the following
http://ir.hecla-mining.com/interactive/newlookandfeel/4130678/Hecla-Q2-2017-ExplorationUpdate.pdf.
Greens Creek – Alaska
At Greens Creek, drilling in the second quarter refined
resources of the East Ore, NWW, Upper Plate,
and West zones for possible conversion to reserves and may
also have expanded some of these zones. Significant assay results
from previous drilling were also received from the 9A and
Deep Southwest zones. This program has been successful in
defining potential reserves in the core area of the mine close to
surface and the mine portal.
Drilling of the East Ore Zone compares favorably to
previously modeled resource estimates at higher elevations that may
expand the current resource model. Recent intersections include
26.7 oz/ton silver, 0.10 oz/ton gold, 10.0% zinc, and 5.4% lead
over 5.6 feet and 29.7 oz/ton silver, 0.07 oz/ton gold, 1.8% zinc,
and 1.0% lead over 5.4 feet. Exploration drilling immediately west
of the East Ore Zone in the Klaus Shear structure also identified
new mineralization. Recent drilling of the West Zone
suggests resource additions along the nose and eastern limb as well
as along the Maki Fault. Intersections include 643.5 oz/ton silver,
1.8 oz/ton gold, 14.9% zinc, and 7.8% lead over 4.8 feet and
31.7 oz/ton silver, 0.21 oz/ton gold, 13.6% zinc, and 6.5% lead
over 4.6 feet.
Recent assay results from the 9A Zone suggest the current
resource may increase and include 27.5 oz/ton silver, 0.03 oz/ton
gold, 15.8% zinc, and 7.9% lead over 8.2 feet and 10.4 oz/ton
silver, 0.04 oz/ton gold, 11.3% zinc, and 2.2% lead over 45.0 feet.
These resources are immediately available to existing ramps.
Drilling of the Deep Southwest Zone identified
mineralization that extends north of previous mining in the zone
and down to the upper limb of the NWW. Recent assay results include
47.2 oz/ton silver, 0.22 oz/ton gold, 4.3% zinc, and 2.0% lead
over 7.9 feet.
Surface drilling at Greens Creek commenced in late June at the
Gallagher target. Initial drilling has intersected a mineralized
zone up to 100-feet thick with sheared veins and breccia locally
containing strong base metal mineralization along the flat-lying
Klaus Shear. These intersections are over 1,500 feet west of ore
zones on the Klaus Shear at the mine and may represent extensions
of known mineralization at the mine. The surface program at Greens
Creek is planned for over 21,000 feet to evaluate the Gallagher,
East Ore and 5250 zone targets.
More complete drill assay highlights from Greens Creek can be
found in Table A at the end of this release and a presentation
showing drill intersection locations is available at the
following http://ir.hecla-mining.com/interactive/newlookandfeel/4130678/Hecla-Q2-2017-ExplorationUpdate.pdf.
Other Properties
Summer fieldwork on the Opinaca-Wildcat project near the
Eleonore Mine in northern Quebec, and summer drilling at the Little
Baldy property in Idaho and the Kinskuch property in northern
British Columbia are underway. Resource modeling of the Montanore
mineralization is complete and coordination with hydrologic and
geotechnical consultants is underway to augment mine design and
future drilling. The mine plan for Montanore is expected to be
updated with the new 2016 block model.
ABOUT HECLA
Founded in 1891, Hecla Mining Company (NYSE:HL) is a leading
low-cost U.S. silver producer with operating mines in Alaska, Idaho
and Mexico, and is a growing gold producer with an operating mine
in Quebec, Canada. The Company also has exploration and
pre-development properties in seven world-class silver and gold
mining districts in the U.S., Canada, and Mexico, and an
exploration office and investments in early-stage silver
exploration projects in Canada.
Cautionary Statements Regarding Forward Looking
Statements
Statements made or information provided in this news release
that are not historical facts are "forward-looking statements"
within the meaning of the Private Securities Litigation Reform Act
of 1995 and "forward-looking information" within the meaning of
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. The material factors or
assumptions used to develop such forward-looking statements or
forward-looking information include that 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, to which the Company’s operations
are subject.
Forward-looking statements involve a number of risks and
uncertainties that could cause actual results to differ materially
from those projected, anticipated, expected or implied. These risks
and uncertainties include, but are not limited to, metals price
volatility, volatility of metals production and costs, litigation,
regulatory and environmental risks, operating risks, project
development risks, political risks, labor issues, ability to raise
financing and exploration risks and results. Refer to the Company's
Form 10K and 10-Q reports for a more detailed discussion of
factors that may impact expected future results. The Company
undertakes no obligation and has no intention of updating
forward-looking statements other than as may be required by
law.
Cautionary Statements to Investors on Reserves and
Resources
Reporting requirements in the United States for disclosure of
mineral properties are governed by the SEC and included in the
SEC's Securities Act Industry Guide 7, entitled “Description of
Property by Issuers Engaged or to be Engaged in Significant Mining
Operations” (Guide 7). However, the Company is also a “reporting
issuer” under Canadian securities laws, which require estimates of
mineral resources and reserves to be prepared in accordance with
Canadian National Instrument 43-101 (NI 43-101). NI 43-101 requires
all disclosure of estimates of potential mineral resources and
reserves to be disclosed in accordance with its requirements. Such
Canadian information is being included here to satisfy the
Company's “public disclosure” obligations under Regulation FD of
the SEC and to provide U.S. holders with ready access to
information publicly available in Canada.
Reporting requirements in the United States for disclosure of
mineral properties under Guide 7 and the requirements in Canada
under NI 43-101 standards are substantially different. This
document contains a summary of certain estimates of the Company,
not only of proven and probable reserves within the meaning of
Guide 7, which requires the preparation of a “final” or “bankable”
feasibility study demonstrating the economic feasibility of mining
and processing the mineralization using the three-year historical
average price for any reserve or cash flow analysis to designate
reserves and that the primary environmental analysis or report be
filed with the appropriate governmental authority, but also of
mineral resource and mineral reserve estimates estimated in
accordance with the definitional standards of the Canadian
Institute of Mining, Metallurgy and Petroleum referred to in NI
43-101. The terms “measured resources”, “indicated resources,” and
“inferred resources” are Canadian mining terms as defined in
accordance with NI 43-101. These terms are not defined under Guide
7 and are not normally permitted to be used in reports and
registration statements filed with the SEC in the United States,
except where required to be disclosed by foreign law. The term
“resource” does not equate to the term “reserve”. Under Guide 7,
the material described herein as “indicated resources” and
“measured resources” would be characterized as “mineralized
material” and is permitted to be disclosed in tonnage and grade
only, not ounces. The category of “inferred resources” is not
recognized by Guide 7. Investors are cautioned not to assume that
any part or all of the mineral deposits in such categories will
ever be converted into proven or probable reserves. “Resources”
have a great amount of uncertainty as to their existence, and great
uncertainty as to their economic and legal feasibility. It cannot
be assumed that all or any part of such a “resource” will ever be
upgraded to a higher category or will ever be economically
extracted. Investors are cautioned not to assume that all or any
part of a “resource” exists or is economically or legally mineable.
Investors are also especially cautioned that the mere fact that
such resources may be referred to in ounces of silver and/or gold,
rather than in tons of mineralization and grades of silver and/or
gold estimated per ton, is not an indication that such material
will ever result in mined ore which is processed into commercial
silver or gold.
Qualified Person (QP) Pursuant to Canadian National
Instrument 43-101
Dean McDonald, PhD. P.Geo., Senior Vice President - Exploration
of Hecla Mining Company, who serves as a Qualified Person under
National Instrument 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 sample, analytical or
testing procedures for the Greens Creek Mine are contained in a
technical report prepared for Hecla titled “Technical Report for
the Greens Creek Mine, Juneau, Alaska, USA” effective date March
28, 2013, and for the Lucky Friday Mine are contained in a
technical report prepared for Hecla titled “Technical Report on the
Lucky Friday Mine Shoshone County, Idaho, USA” effective date April
2, 2014, for the Casa Berardi Mine are contained in a technical
report prepared for Hecla titled "Technical Report on the Mineral
Resource and Mineral Reserve Estimate for the Casa Berardi Mine,
Northwestern Quebec, Canada" effective date March 31, 2014 (the
"Casa Berardi Technical Report"), and for the San Sebastian Mine
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. Copies of these technical reports are available
under Hecla's profile on SEDAR at www.sedar.com.
Table A - Assay Results – Q2
2017
San Sebastian (Mexico)
Zone
Drill HoleNumber
SampleFrom (ft)
SampleTo (ft)
Width(feet)
TrueWidth(feet)
Gold(oz/ton)
Silver(oz/ton)
Zinc(%)
Lead(%)
Copper(%)
Middle Vein SS-1286 314.5 317.6 3.1
2.9 0.01 3.6 0.01 0.00
0.00 Middle Vein SS-1287 580.5 587.2
6.9 6.7 0.23 18.6 0.01 0.01
0.01 Middle Vein SS-1288 970.9 972.3
1.5 1.2 0.01 1.7 0.03
0.02 0.00 Middle Vein SS-1289 634.6
636.2 2.0 1.5 0.01 5.4 0.01
0.00 0.00 Middle Vein SS-1291 632.4
635.0 2.6 2.5 0.01 2.9
0.02 0.01 0.00 Middle Vein SS-1293
979.2 985.4 6.9 6.2 0.01 2.3
0.02 0.02 0.01 Middle Vein SS-1297
890.9 894.2 3.4 3.3 0.01
5.2 0.04 0.03 0.01 Middle Vein SS-1300
680.8 693.7 12.8 11.0 0.03
12.2 1.49 1.02 0.89 Middle Vein
SS-1316 726.2 729.3 3.1 2.4 0.02
4.1 0.22 0.16 0.01 Middle Vein
SS-1319 256.2 259.4 3.2 3.2 0.20
2.1 0.00 0.00 0.00 East Francine
SS-1290 277.4 281.3 4.0 3.8 0.07
6.3 0.04 0.00 0.00 East Francine
SS-1295 977.7 983.9 6.2 6.2 0.04
11.6 0.04 0.02 0.01 East Francine
SS-1337 187.9 189.3 4.6 4.6
0.72 288.2 0.40 0.30 0.10
including 188.4 188.7 1.1
1.1 2.95 1186.9 1.80 1.40 0.50
East Francine SS-1340 677.0 687.0 10.0
9.7 0.02 11.6 0.10 0.10
0.00 East Francine SS-1345 691.4 699.1
7.8 7.6 0.01 3.7 0.00 0.00
0.00 East Francine SS-1346 706.1 710.7
4.7 4.7 0.68 135.9 0.30
0.20 0.10 San Judas SS-1334 523.2 528.7
5.5 5.2 0.01 3.7 0.01
0.00 0.00
Casa Berardi (Quebec)
Zone
Drill HoleNumber
DrillHoleSection
DrillHoleAzm/Dip
SampleFrom
SampleTo
TrueWidth(feet)
Gold(oz/ton)
DepthFromMineSurface(feet)
Upper 118 - 530 Level CBP-0530-379 12299
180/-34 217.8 246.1 15.1 0.16
-1843.4 118 CBP-0530-379 12299 180/-34
325.5 335.3 5.1 0.27 -1890.9 Lower 118
- 950-990 Levels CBP-0950-012 11968 191/-33
129.9 171.6 38.3 0.15 -3196.2
118 CBP-0950-017 11938 180/-49 157.5
200.1 26.0 0.18 -3250.9 118
CBP-0950-018 11938 180/-39 147.6 167.3
13.6 0.19 -3217.1 118 CBP-0950-020
11940 179/17 111.9 137.8 23.7
0.17 -3073.4 118 CBP-0950-022 11999
190/-45 202.1 232.6 17.6 0.30
-3270.0 118 CBP-0950-024 12001 190/-27
90.2 134.5 39.1 0.18 -3168.8 118
CBP-0970-016 11970 202/-39 101.7
128.0 17.1 0.23 -3246.9 118
CBP-0970-016 11965 202/-39 154.2 167.7
9.1 0.21 -3274.2 118 CBP-0970-018
11969 202/20 78.7 103.7 20.5
0.19 -3139.9 Lower 123 - 950-1070 Levels
CBP-0611 12357 176/-26 655.8 669.3
12.1 0.21 -3299.6 123 CBP-0613
12371 176/-10 542.3 585.3 40.4
0.25 -3212.0 123 CBP-0614 12389 167/-37
737.2 755.9 11.8 0.54 -3531.0
123 CBP-0615 12387 167/-30 713.6
744.8 20.4 0.22 -3435.1 Lower 123 - 830-1010
Levels CBP-0870-099 12405 180/-3 60.7
65.6 4.7 1.72 -2845.4 123
CBP-0870-104 12464 149/-8 183.7 194.6
9.1 0.32 -2863.6 123 CBP-0870-105
12460 149/-26 150.3 203.4 30.8
0.28 -2919.8 123 CBP-0870-105 12469
149/-26 236.2 255.9 13.7 0.20
-2949.0 123 CBP-0870-110 12435 179/27
51.5 62.3 10.7 0.29 -2811.8 123
CBP-0870-111 12434 179/-21 65.9
108.3 18.3 0.74 -2874.3 123
CBP-0910-084 12277 159/-30 507.2 537.7
20.3 0.31 -3211.7 123 CBP-0910-085
12280 159/-39 628.0 658.1 17.0
0.30 -3354.0 123 CBP-0910-087 12271
146/-46 442.9 452.8 4.3 0.45
-3278.6 123 CBP-0910-088 12231 172/6
353.3 376.6 22.9 0.20 -2912.4
Upper Principal 124 CBP-0330-038 12513 148/-16
276.2 280.8 9.8 0.33 -1104.8 124
CBP-0330-039 12438 197/-35 426.5
448.5 20.6 0.22 -1284.3 Surface - Principal
Pit Area CBS-17-758 12360 360/-45 246.1
354.3 82.0 0.18 -164.0 124
CBS-17-760 12330 360/-45 262.8 271.7
6.6 0.13 -210.0 Surface - 134 Pit Area
CBF-134-004 13192 355/-45 141.1 193.6
41.1 0.15 -116.6 134 CBF-134-005
13189 355/-57 183.7 256.9 39.4
0.14 -199.3 134 CBF-134-007 13209
360/-55 190.3 246.1 42.2 0.32
-187.7 134 CBF-134-007 13208 360/-55
260.8 303.1 24.4 0.08 -237.4 134
CBF-134-007 13208 360/-55 441.3 536.4
87.4 0.05 -397.9 134 CBF-134-015
13287 356/-60 301.5 324.1 16.6
0.25 -269.8 134 CBF-134-026 13324
358/-62 659.4 674.2 12.5 0.16
-563.8 134 CBF-134-028 13274 343/-47
295.3 416.0 105.0 0.10 -253.8 134
CBF-134-037 13343 352/-61 475.7
498.7 21.9 0.10 -433.8 134 CBF-134-037
13342 352/-61 521.7 528.2 5.2
0.11 -465.2 Surface - EMCP Pit CBF-148-004
14685 360/-45 241.1 265.7 19.0
0.07 -189.7 148 CBF-148-013 14639
360/-54 187.0 226.4 35.8 0.11
-163.1 148 CBF-148-017 14672 360/-45
364.2 418.3 47.3 0.06 -287.0 148
CBF-148-017 14672 360/-45 482.3
526.6 38.0 0.05 -366.1 148 CBF-148-020
14623 360/-50 324.8 354.3 25.3
0.05 -288.4 148 CBF-148-045 14468
360/-60 483.9 515.7 25.7 0.07
-407.5 Surface - 160 Pit CBF-160-011 16005
360/-45 106.0 172.2 66.0 0.15
-113.2 160 CBF-160-020 15939 360/-45
457.7 502.0 22.1 0.20 -330.3 160
CBF-160-020 15938 360/-45 541.3
615.2 48.5 0.07 -390.7 160 CBF-160-021
15955 9/-48 649.6 733.3 83.5
0.07 -465.0 160 CBF-160-022 15941
4/-55 157.5 260.8 80.2 0.09
-171.0 160 CBF-160-043 15868 360/-52
364.2 482.3 93.6 0.09 -344.5 160
CBF-160-044 16021 360/-45 251.0
300.2 45.6 0.16 -206.5 160 CBF-160-056
15920 357/-45 124.7 526.6 329.8
0.07 -235.4 Surface - SW-NW Area CBS-17-766
10681 180/-50 265.7 508.5 180.4
0.07 -147.6 SW CBS-17-766 10681
180/-50 722.4 736.5 10.6 0.09
-36.1
Casa Berardi - West Block
Zone
Drill Hole Number
DrillHoleAzm/Dip
SampleFrom
SampleTo
TrueWidth(feet)
Gold(oz/ton)
DepthFromSurface(feet)
West Block CBS-17-783 340/-49 1186.0
1197.5 7.5 0.05 -895
1266.4 1268.1 1.1 0.03
-956 CBS-17-784 340/-50 879.3
882.2 1.9 0.04 -674
CBS-17-785 360/-46 426.5 446.2 13.7
0.03 -307 including
436.4 439.7 2.3 0.06 -314
CBS-17-786 360/-50 439.7 467.5
17.9 0.13 -337 including
462.6 467.5 3.1 0.50 -354
CBS-17-787 360/-53 1022.0 1025.3
2.0 0.06 -816 CBS-17-788 355/-53
441.3 444.6 2.0 0.13 -352
768.6 774.3 3.5
0.14 -614
956.1 964.6 5.1 0.04 -764
including 958.8 960.6 1.1
0.09 -766 CBS-17-795 360/-46
284.8 286.4 1.1 0.05 -205
448.8 452.8 2.7
0.10 -323
Greens Creek (Alaska)
Zone
DrillHoleNumber
DrillholeAzm/Dip
SampleFrom
SampleTo
TrueWidth(feet)
Silver(oz/ton)
Gold(oz/ton)
Zinc(%)
Lead(%)
DepthFromMinePortal(feet)
9A GC4490 243/61 0.00 9.00 8.2
27.50 0.03 15.85 7.90 -164
15.00 17.50
2.3 13.54 0.08 9.90 4.40 -164
113.50 116.20
2.4 20.56 0.04 16.54 11.27
-69 131.40
136.40 4.5 20.05 0.01 11.30 6.00
-69 GC4493 243/20 0.00
4.00 3.5 13.03 0.01 12.30 5.80
-99 58.60
66.50 6.8 21.16 0.03 7.39 3.53
-99 186.00
238.00 45.0 10.44 0.04 11.30
2.18 -99 308.00
314.50 5.6 7.75 0.05 17.39
3.16 -99 GC4497 243/31
103.00 111.60 7.4 19.54 0.02
16.21 13.35 -79
160.40 165.00 4.0 12.11 0.02
15.99 4.41 -79
206.80 210.00 2.8 7.71
0.04 23.50 7.30 -79
292.00 295.60 3.1 10.10
0.01 14.10 5.10 -79
GC4500 210/50 108.90 113.50 4.2
15.76 0.02 17.33 12.15 -119
GC4503 243/33 128.70 131.00 2.2
23.52 0.03 24.20 17.30 -109
133.00 136.00
2.8 36.80 0.01 2.10 1.13
-109 140.80 155.80
14.1 8.13 0.01 7.56 3.69
-109 256.60 264.20
7.1 11.82 0.01 8.80 2.29
-9 GC4505 243/17 148.00 150.50
2.5 25.93 0.02 16.33 6.51
-134 GC4509 243/52 150.00 155.00
4.5 10.74 0.03 3.80 2.40
-84 South West Bench GC4498 353/-13 267.70
275.20 5.5 37.66 0.11 8.37
4.18 -389 West GC4516 243/12
2.50 4.70 2.2 24.41 0.03 13.69
6.30 -199 GC4517 63/13
146.00 151.00 3.2 73.57 0.46
9.42 4.80 -159 GC4525 243/4
0.00 51.00 17.4 19.88 0.17
26.37 14.84 -194 GC4526
243/-14 0.00 13.50 4.6 16.47
0.03 14.97 7.26 -199 GC4530
63/-60 32.30 43.00 10.5 23.25
0.23 17.97 7.93 -234
GC4533 243/-55 158.00 178.50 19.3
13.94 0.14 9.41 3.18 -344
GC4535 243/-37 149.00 157.00 7.9
21.36 0.06 4.94 1.92 -334
161.00 170.00 8.9
24.99 0.20 5.42 2.40 -334
GC4537 243/8 54.70 97.00 14.5
26.31 0.20 22.08 12.63 -184
GC4538 243/8 25.00 27.20
2.2 93.00 0.35 3.05 1.36 -241
GC4544 243/9 96.70 108.00
4.8 642.73 1.80 14.92 7.83 -179
113.00 140.00
11.4 18.58 0.16 29.27 17.65
-179 142.50
204.00 26.0 9.47 0.24 24.28 9.92
-174 GC4549 243/-53 87.70
100.00 10.1 8.81 0.03 13.13 6.52
-279 GC4552 243/-31 158.00
163.00 3.2 58.44 0.39 5.98
2.75 -289 GC4559 243/-60
77.50 80.00 2.0 42.83 0.14 7.98
3.56 -259
117.50 121.50 3.3 14.54 0.12
7.85 3.07 -229 GC4563 243/-19
87.70 126.70 13.3 14.65 0.18
23.96 11.56 -209
131.00 147.00 5.5 23.15
0.42 18.23 7.09 -234 GC4567
63/-1 42.50 46.00 2.5 6.34
0.06 16.08 8.91 -199
72.50 79.00 4.6
31.72 0.21 13.56 6.48 -199
GC4572 230/-52 7.00 10.00 2.3
7.88 0.04 9.28 6.10 -209
39.50 43.00 2.7
19.14 0.03 7.74 4.55 -229
GC4577 227/-37 16.00 21.80 4.4
12.11 0.08 13.68 8.81 -214
GC4578 256/-58 132.00 208.00
26.0 8.50 0.14 12.96 3.37
-319 230.80 241.20
3.6 18.12 0.28 14.05 4.03
-409 GC4584 256/-44 79.00 89.40
3.6 14.35 0.10 6.68 2.76
-289 GC4586 256/-66 27.80 32.40
3.5 16.43 0.06 5.01 2.33
-236 74.00 91.00
16.7 8.39 0.13 13.02 3.03
-279 GC4590 227/-60 40.50 52.00
10.8 27.49 0.04 9.09 5.09
-249 58.00 64.00
5.6 15.17 0.02 3.09 1.54
-269 East Ore GC4528 63/34 711.50
745.00 16.8 4.36 0.16 7.98 2.08
1071 GC4531 63/-1 374.70
379.70 4.9 28.26 0.00 3.40 1.76
651 GC4542 91/-6 179.00
181.50 2.5 49.31 0.11 13.20 5.50
691 GC4548 100/-7 195.00
201.00 5.6 26.69 0.10 10.02 5.40
686 GC4551 63/-55 416.00
420.70 4.1 6.27 0.12 10.70 2.77
321 GC4564 63/-28 335.00
338.00 2.9 6.48 0.21 1.08 0.25
506 GC4570 63/19 533.10
538.00 3.8 10.83 0.02 8.31 2.93
856 542.00
546.70 3.6 6.21 0.03 13.87 6.30
856 GC4574 63/25 578.20
582.60 3.4 1.12 0.02 23.99 6.36
916 590.20
600.50 7.9 6.53 0.12 21.31 8.95
916 GC4579 63/32 709.00
716.00 5.4 7.06 0.14 7.78 2.14
1041 GC4593 63/30 639.00
647.60 4.6 4.83 0.11 8.97 1.91
981 GC4598 63/25 582.00
587.00 3.2 12.47 0.52 3.78 1.31
931 597.00
602.00 3.2 10.48 0.14 2.82 1.00
931 622.00
629.00 4.5 10.84 0.31 15.07 4.83
931 GC4602 63/21 517.00
521.00 2.9 24.21 0.00 1.73 0.72
856 GC4605 63/26 570.00
573.50 2.3 3.28 0.11 12.77 2.35
926 594.80
602.60 5.2 5.46 0.12 13.33 3.59
926 GC4608 63/-59 414.50
417.50 2.6 21.75 0.08 11.29 2.12
336 GC4609 63/-35 353.00
358.50 5.4 29.67 0.07 1.76 0.66
466 GC4610 63/30 644.00
681.60 18.8 9.20 0.09 17.65 5.86
1031 GC4613 63/15 482.50
497.00 12.2 6.04 0.11 23.48 9.08
801 GC4618 63/27 559.00
586.00 18.1 6.71 0.10 14.56 4.44
941 595.00
599.00 2.7 6.07 0.28 1.05 0.44
941 GC4623 63/-88 518.50
524.50 6.0 3.31 0.30 21.60 3.90
151 GC4626 63/10 457.00
473.50 14.1 5.91 0.14 9.69 2.93
766 477.50
480.00 2.1 9.05 0.03 5.51 3.51
766 GC4636 63/-77 542.90
548.30 5.4 12.58 0.11 21.72 5.79
146 Deep South West GC4594 145/-62
634.40 637.40 3.0 23.22 0.34
22.30 9.10 -1259
641.90 648.00 6.1 15.02 0.12
23.78 7.49 -1259 GC4604
170/-60 774.40 777.00 2.5 37.53
0.42 22.50 9.40 -1359
792.40 801.00 8.3 22.56
0.15 6.56 2.48 -1384
851.00 859.20 7.9
47.18 0.22 4.30 1.98 -1429
Lucky Friday (Idaho)
Vein
Drill HoleNumber
Drill HoleAzm/Dip
SampleFrom
SampleTo
TrueWidth(feet)
Ag(oz/ton)
Zinc(%)
Lead(%)
MineLevel
Elevation(feet)
30 GH65-28 189.9/0.0 300.00 308.40
8.4 52.1 5.0 26.4 6455
-3075 60 GH65-28 187.6/-0.1 218.20
219.50 1.3 27.5 2.1 25.3 6455
-3075 70 GH65-28 187.6/-0.1 178.90
185.70 6.8 10.1 1.1 9.6
6455 -3075 80 GH65-28 187.6/-0.1 153.80
159.40 5.6 29.0 0.3 21.7
6455 -3075 100 GH65-28 187.4/+0.1 80.30
83.10 2.8 8.3 0.1 9.9
6455 -3075 110 GH65-28 186.7/-0.1 63.00
67.70 4.7 44.4 0.2 0.5
6455 -3075
View source
version on businesswire.com: http://www.businesswire.com/news/home/20170802006478/en/
Hecla Mining CompanyMike Westerlund, 800-HECLA91
(800-432-5291)Vice President, Investor
Relationshmc-info@hecla-mining.comwww.hecla-mining.com
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