Silvercorp Reports Intersection of 4.48 Meters True Width Grading 1,050 Grams PER Tonne Silver and 15.92% Lead at the Sgx MINE
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NEWS RELEASE
Trading Symbol: TSX: SVM
NYSE AMERICAN: SVM
SILVERCORP REPORTS INTERSECTION OF 4.48 METERS TRUE WIDTH GRADING 1,050
GRAMS PER TONNE SILVER AND 15.92% LEAD AT THE SGX MINE, YING MINING DISTRICT,
CHINA
VANCOUVER, British Columbia – August 15, 2017 – Silvercorp Metals Inc. ("Silvercorp” or the
“Company”) (TSX:SVM / NYSE AMERICAN: SVM) is pleased to repo rt the results of the first half
of its 2017 exploration program at the SGX mine, Ying Mining District, Henan Province, China.
The 2017 exploration program at the SGX mine consists of underground drilling and tunneling.
As of June 30, 2017, t he Company completed 13,201 meters (“m”) of underground diamond
drilling with 7 underground rigs and 10,531m of exploration tunneling . Results of the
underground drilling and drift tunneling continuously extended the major mineralized vein
structures along strike and downdip.
Highlights of selected intersections of drill holes:
Hole ZK13AS7-1004 intersected a 5.85m interval from 78.36m to 84.21m, 4.48m true width,
of vein S19 W grading 1,050 grams per tonne (“g/t”) silver (“Ag”) , 15.92% lead (“Pb”) and
0.55% zinc (“Zn”) at the 212m elevation , including a n 1.22m interval from 81.91m to
83.13m, 0.93m true width grading 4,678g/t Ag, 63.12% Pb and 1.02% Zn;
Hole ZK11AS7-1002 intersected a 0.90m interval from 78.88m to 79.78m, 0.78m true width,
of vein S19 grading 2,017g/t Ag, 7.78% Pb and 1.30% Zn at the 243m elevation, and a 0.41m
interval from 148.21m to 148.62m, 0.36m true width, of vein S7-1 grading 185g/t Ag, 36.63%
Pb and 12.07% Zn at the 221m elevation; and
Hole ZK 15S18005 intersected a n 1.29m interval from 119.40m to 120.69m, 1.02m true
width, of vein S7-2 grading 1,049g/t Ag, 4.53% Pb and 3.12% Zn at the 221m elevation.
Highlights of selected mineralization zones exposed in exploration drift tunnels:
Drift Tunnel PD16-S31-210-8NSYM exposed mineralization of 150m long and 0.86 m wide
(true width) grading 640 g/t Ag, 7.66 % Pb and 2.08% Zn within vein structure S31 on the
210m level;
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Drift Tunnel XPD-S7-1-210-9NYM exposed mineralization of 100m long and 1.01 m wide
(true width) grading 455g/t Ag, 11.84% Pb and 3.25 % Zn within vein structure S7-1 on the
210m level; and
Drift Tunnel CM105-S2W2-300-74SNYM exposed mineralization of 60m long and 0.70 m
wide (true width) grading 609g/t Ag, 6.53% Pb and 2.79% Zn within vein structure S2W2 on
the 300m level.
The 2017 underground drilling program is mainly conducted from the current production lev els
to delineate the downdip and along -strike extensions of known mineralized vein structures in
the production area and test for new veins in the previous less-explored areas.
The first half of 2017 drilling program at SGX is briefly summarized in the following table:
Major Target Veins
Target
Elevation
(m)
Meters
Drilled
Holes
Completed
Samples
Collected
Holes with
Assay
Received
Holes
Intercepted
Vein
Structures
Holes
Intercepted
Mineralization
S1, S2, S4, S6, S7,
S7-1, S8, S14, S16W,
S18, S19, S30
-102 to 640 13,201 44 1,096 47 47 21
The 2017 e xploration tunneling, comprising drifting, crosscutting and r aising, was driven along
and across major mineralized vein structures to upgrade drill defined mineral resources and test
for new parallel and splay structures.
The first half of 2017 tunneling program at SGX is briefly summarized in the following table:
Major Target Veins
Target
Levels
(m)
Total
Tunneling
(m)
Channel
Samples
Collected
Drift
Tunneling
Included
(m)
Total Mineralization Exposed by Drift
Tunneling
Length
(m)
Average
True Width
(m)
Ag
(g/t)
Pb
(%)
Zn
(%)
S2, S2W, S7, S7-1, S8,
S14, S16W, S19, S21,
S22, S28, S31, S32
120-680 10,531 2,810 4,242 2,059 0.68 372 7.00 2.45
Tables 1 and 2 below list the assay results of some selected mineralized intersections in drill
holes and mineralized zones exposed in drift tunnels in the first half of 2017 exploration
program.
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Table 1: Selected drilling results from the 2017 drilling program at the SGX mine
Hole ID From
(m) To (m) Elevation
(m)
Interval
(m)
True
Width
(m)
Ag (g/t) Pb
(%)
Zn
(%) Veins Remarks
ZK13S18002 81.43 81.99 656 0.56 0.39 155 1.39 3.46 S19Branch Test*
ZK13S8008 288.93 289.78 102 0.85 0.59 125 1.83 0.45 S8 Test
ZK13AS7-1002 66.937 69.262 249 2.33 2.13 462 15.02 0.28 S19 Infill**
90.268 91.093 242 0.83 0.76 152 0.15 1.63 S7_3 Test
ZK11AS18003 108.73 110.73 636 2.00 1.31 402 2.54 2.42 S19 Infill
ZK10AS19002 2.46 3.15 262 0.69 0.38 1,300 2.68 2.19 S22 Infill
175.16 176.45 129 1.29 0.77 155 1.46 1.45 S16W1 Test
ZK13S7-1002 55.07 56.67 240 1.60 1.45 558 12.07 0.28 S19W Test
71.64 72.27 232 0.63 0.58 144 1.24 0.11 S19Branch Test
76.42 78.68 230 2.26 2.05 168 1.41 0.04 S19 Stepout***
ZK13AS7-1004 78.36 84.21 212 5.85 4.48 1,050 15.92 0.55 S19W Test
Including 81.91 83.13 210 1.22 0.93 4,678 63.12 1.02
88.33 94.02 205 5.69 4.35 113 0.57 0.31 S19 Stepout
ZK51S29004 79.35 80.50 593 1.15 0.70 110 0.31 0.99
Test
ZK13S7-1004 77.03 80.43 205 3.40 2.20 363 12.18 0.17 S19W Test
Including 78.91 79.41 203 0.50 0.32 2,594 61.56 0.24
ZK4AS19002 211.09 213.70 138 2.61 1.84 162 10.10 0.31 S19 Test
ZK14AS6002 18.99 19.35 170 0.36 0.27 296 0.17 0.39 S1W2Branch Test
228.73 229.06 13 0.33 0.25 175 0.28 1.00 S2W Test
275.47 275.91 -21 0.44 0.36 645 1.75 1.32 S4 Stepout
ZK11AS7-1002 78.88 79.78 243 0.90 0.78 2,017 7.78 1.30 S19 Stepout
145.22 145.49 222 0.27 0.24 369 6.45 7.72 S7_2 Test
148.21 148.62 221 0.41 0.36 185 36.63 12.07 S7_1 Infill
ZK18AS2002 226.32 226.71 232 0.39 0.37 254 0.42 1.74 S6 Test
ZK16S2W203 243.30 243.95 70 0.65 0.51 596 6.94 3.86 S2 Infill
ZK14502 25.07 25.67 168 0.60 0.55 360 0.63 0.51 S1W2 Test
263.57 264.00 19 0.43 0.38 152 8.69 0.35 S2 Stepout
275.16 276.50 11 1.34 1.12 183 3.91 0.19 S4 Test
ZK15S18005 119.40 120.69 221 1.29 1.02 1,049 4.53 3.12 S7_2 Test
*Test: intersections in open areas without known mineralization for new resource delineation ;
**Infill: intersections within known resource blocks for resource upgrade;
***Stepout: intersections adjacent to existing resource blocks for resource expansion;
Table 2: Selected mineralized zones exposed by drift tunneling at the SGX mine
Tunnel ID Target
Vein
Level
(m)
Length
(m)
True
Width
(m)
Ag
（g/t)
Pb
（%）
Zn
（%）
CM105-S2-220-12ASYM S2 220 60 0.63 507 2.68 0.50
CM105-S2-180-12ASYM(Sublevel) S2 180 106 1.05 497 8.60 0.78
PD16-S2W-450-2ANYM S2W 450 37 0.49 284 8.29 1.68
CM105-S2W-300-10SNYM S2W 300 50 0.62 566 9.07 1.92
CM105-S2W2-300-74SNYM S2W2 300 60 0.70 609 6.53 2.79
CM101-S7-1-350-7ASYM S7_1 350 75 0.90 392 11.79 4.58
XPD-S7-1-260-1BSNYM S7_1 260 45 0.49 281 4.81 3.26
XPD-S7-1-210-9SYM S7_1 210 35 0.58 148 2.47 9.42
XPD-S7-1-210-9NYN S7_1 210 100 1.01 455 11.84 3.25
XPD-S8-360-SYM-30TJ（Sublevel） S8 370 35 0.58 39 4.93 0.49
XPD-S8-360-30ANYM S8 360 50 0.58 72 5.87 1.21
YPD02-S8-350-30ASYM S8 350 85 0.59 83 4.39 3.24
PD16-S14-160-4ANYM S14 160 110 0.59 334 4.31 1.05
CM105-S14E-260-16ASNYM S14E 260 50 0.32 76 2.49 2.00
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CM102-S16E2-570-59SYM S16E2 570 50 0.72 116 1.61 5.49
CM105-S16E2-350-66SYM S16E3 350 45 0.36 492 9.78 0.60
CM105-S16W-260-64NYM S16W 260 35 0.72 171 1.56 2.00
CM105-S16W-210-70SYM S16W 210 30 0.89 66 2.08 2.29
CM101-S22-300-6NYM S22 300 40 0.55 215 11.30 0.30
PD700-S28-450-79SYM S28 450 35 0.64 332 9.53 2.12
PD16-S31-210-8NSYM S31 210 150 0.86 640 7.66 2.08
PD16-S31-160-8NSYM S31 160 91 0.70 369 8.51 1.67
CM108-S32-680-67SYM S32 680 75 0.58 251 3.65 1.40
CM102-S32-570-59SYM S32 570 85 0.78 287 2.21 4.09
CM105-S33E-260-14SYM S33E 260 80 0.45 166 4.30 1.24
Quality Control
Drill cores are NQ size. Drill core samples, limited by apparent mineralization contact or
shear/alteration contact, were split into halves by saw cutting. The half cores are stored in the
Company's core shacks for future reference and checking, and the ot her half core samples are
shipped in security sealed bags to the Chengde Huakan 514 Geology and Minerals Test and
Research Institute in Chengde, Hebei Province, China, 226 km northeast of Beijing, a nd the
Zhenzhou Nonferrous Exploration Institute Lab in Zhengzhou, Henan Province, China, and both
labs are ISO9000 certified analytical lab. For analysis the sample is dried and crushed to minus
1mm and then split to a 200 -300g subsample which is further pulverized to minus 200 mesh.
Two subsamples are prepared from the pulverized sample. One is digested with aqua regia for
gold analysis with AAS, and the other is digested with two -acids for analysis of silver, lead, zinc
and copper with AAS.
Channel samples are collected along sample lines perpendicular to the mineralized vein
structure in exploration tunnels. Spacing between sampling lines is typically 5m along strike.
Both the mineralized vein and the altered wall rocks are cut with continuous chisel chipping.
Sample length ranges from 0.2m to more than 1m, depending on the width of the mineralized
vein and the mineralization type. Channel samples are prepared and assayed with AAS at
Silvercorp’s mine laboratory (Ying Lab) located at the mill complex in Luoning County, Henan
Province, China. The Ying lab is officially accredited by the Quality and Technology Monitoring
Bureau of Henan Province and is qualified to provide analytical service. The channel samples are
dried, crushed and pulverized. A 200g sample of minus 160 mesh is prepared for assay. A
duplicate sample of minus 1mm is made and kept at the laboratory archives. Gold is analysed by
fire assay with AAS finish, and silver, lead, zinc and copper are assayed by two-acid digestion
with AAS finish.
A routine quality assurance/quality control (QA/QC) procedure is adopted to monitor the
analytical quality at the lab. Certified reference materials (CRMs), pulp duplicates and blanks are
inserted into each lab batch of samples. QA/QC data at the lab are attached to the assay
certificates for each batch of samples.
The Company maintains its own comprehensive QA/QC program to ensure best practice s in
sample preparation and analysis of the exploration samples. Project geologists regularly insert
CRM, field duplicates and blanks to each batch of core samples to monitor the sample
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preparation and analysis procedures at the labs. The analytical quality of the labs is further
evaluated with external checks by sending about 3-5% of the pulp samples to higher level labs to
check for lab bias.
Data from both the Company's and the labs' QA/QC programs are reviewed on a timely basis by
project geologists.
Ruijin Jiang, P. Geo , reviewed the exploration data and prepared t he scientific and technical
information regarding exploration results contained herein . Alex Zhang, P. Geo, VP exploration
of the Company, is the Qualified Person on the project as defined under National Instrument 43-
101 and he has verified and approved the contents of this news release.
About Silvercorp
Silvercorp is a low-cost silver-producing Canadian mining company with multiple mines in China.
The Company’s vision is to deliver shareholder value by focusing on the acquisition of under
developed projects with resource potential and the ability to grow organically. For more
information, please visit our website at www.silvercorp.ca.
For further information
Gordon Neal
Vice President, Corporate Development
Silvercorp Metals Inc.
Phone: (604) 669-9397
Toll Free: 1(888) 224-1881
Email: [email protected]
Website: www.silvercorpmetals.com
CAUTIONARY DISCLAIMER - FORWARD LOOKING STATEMENTS
Certain of the statements and information in this press release constitute “forward -looking
statements” within the meaning of the United States Private Securities Litigation Reform Act of
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estimated production from the Company’s mines in the Ying Mining District; timing of receipt of
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without limitation, those referred to in the C ompany’s Annual Information Form for the year
ended March 31, 2017 under the heading “Risk Factors”. Although the Company has attempted
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