PR Newswire
Trading Symbol
TSX: SVM
NYSE American: SVM
VANCOUVER, BC
,
Aug. 12, 2021
/PRNewswire/ – Silvercorp Metals Inc. (“Silvercorp” or the “Company”) (TSX: SVM) (NYSE American: SVM) is pleased to report results from its exploration programs at the GC silver-lead-zinc mine,
Guangdong Province
,
China
. Extensive drilling and tunneling are ongoing at the GC mine with seven rigs currently drilling.
From
October 1, 2019
to
June 30, 2021
, 72,878 metres (“m”) from a total of 704 underground diamond drill holes were completed at the GC mine, including
27,527 m
from 268 holes completed in the first six months of 2021. Assay results for all the holes have been received, with 577 holes intercepting mineralization.
The diamond drilling program at the GC mine targeted: (1) blocks of known silver-lead-zinc veins in and above the production area; and (2) exploration drilling at higher elevations in the north and south sides of the resource areas.
Drilling Intersected Thick and High-Grade Veins In and Above the Production Areas
Detailed drilling of blocks of known silver-lead-zinc veins in and above the GC mine production areas intersected high-grade veins. These mineralized occurrences were previously missed due to limited drilling and tunneling, changes in the strikes and dips, and/or pinch-swelling of the pay-zones in the veins.
The high-grade intercepts from this period are associated with parallel silver-lead-zinc veins V2-2, V2-3, V2-4, V2-4E, V2-7, V2E, V2E1, V2E6, V2W, V2W-4, V2W-9, V5-7, V5-9, V7, V7-1, V7-1E, V7-3, V9-4, V9-5, V9W-2N, V9W-5, V10, V10-1, V10-20, NV10, V19, V19-8, V25, V25-1, and V25-4. Other veins include V11, V16, and NV28. There are 24 new vein structures discovered in and above the production areas, including V2E4, V2E-4E, V2E-8, V7-2, V7-5, V7S, V8-2, V8-5, V10-10, V10-11, C10-17, V10-1S, V10W, V18-2, V18-3, V18-4, V19-2, V19-7, and V19-8. The Company is currently working on a technical report on the GC mine to update the resources and reserves as of
December 31, 2020
. It is expected that mineralization in these structures can be converted quickly into reserves and mined with existing underground workings.
Highlights of high-grade intercepts at the GC mine production area:
-
Hole 20CK24A02
intersected a
6.13 m
interval (
6.01 m
true width) of vein V2E1 grading 258 grams per tonne (“g/t”) silver (“Ag”), 7.05% lead (“Pb”), and 7.05% zinc (“Zn”) at the
-211 m
elevation, which includes a
1.10 m
interval (
1.08 m
true width) grading 462 g/t Ag, 25.57% Pb, and 5.21% Zn at the
-211 m
elevation; -
Hole 20CK2609
intersected a
7.60 m
interval (
7.32 m
true width) of vein V2E1 grading 284 g/t Ag, 5.80% Pb, and 4.48% Zn at the
-229 m
elevation, which includes a
1.18 m
interval (
1.14 m
true width) grading 788 g/t Ag, 23.33% Pb, and 7.54% Zn at the
-229 m
elevation; -
Hole
20CK3025
intersected a
2.93 m
interval (
2.79 m
true width) of vein NV28 grading 417 g/t Ag, 19.22% Pb, and 1.72% Zn at the
-11 m
elevation, which includes a
1.48 m
interval (
1.34 m
true width) grading 815 g/t Ag, 37.47% Pb, and 2.12% Zn at the
-11 m
elevation; -
Hole 19CK11308
intersected a
2.11 m
interval (
1.88 m
true width) of vein V9W-5 grading 454 g/t Ag, 11.00% Pb, and 2.76% Zn at the
150 m
elevation, which includes a
0.84 m
interval (
0.65 m
true width) grading 1,066 g/t Ag, 25.31% Pb, and 4.85% Zn at the
150 m
elevation; -
Hole 19CK10707
intersected a
2.59 m
interval (
2.07 m
true width) of vein V10-1 grading 345 g/t Ag, 1.36% Pb, and 14.87% Zn at the
156 m
elevation, which includes a
1.59 m
interval (
1.27 m
true width) grading 550 g/t Ag, 2.14% Pb, and 23.45% Zn at the
156 m
elevation; -
Hole 20CK4608
intersected a
1.75 m
interval (
1.21 m
true width) of vein V33 grading 308 g/t Ag, 2.08% Pb, and 16.28% Zn at the
-4 m
elevation; and -
Hole 20CK11805
intersected a
0.74 m
interval (
0.74 m
true width) of newly discovered vein V18-3 grading 557 g/t Ag, 1.21% Pb, and 14.82% Zn at the
-11 m
elevation.
Drilling Intersected Newly-Discovered High-Grade Veins at Higher Elevations to the North and South of the Existing Resource Area
Exploratory underground drilling discovered high-grade Ag-Pb-Zn veins V33-1, V33-2, V35, V52-2, V52-3, and V59 in the south and veins NV2, NV3 and NV6 in the north of the existing resource area at the GC mine. These discoveries confirm the potential to expand the resource area outwards and extend the mine life at the GC mine.
-
Hole
21CK4235
intersected a
2.71 m
interval (
2.19 m
true width) of newly discovered vein V52-2 grading 264 g/t Ag, 0.25% Pb, and 17.02% Zn at the
-3 m
elevation; -
Hole
21CK4820
intersected a
2.16 m
interval (
1.30 m
true width) of newly discovered vein V35 grading 539 g/t Ag, 8.06% Pb, and 3.23% Zn at the
140 m
elevation; -
Hole
20CK46A01
intersected a
0.87 m
interval (
0.46 m
true width) of newly discovered vein V33-2 grading 994 g/t Ag, 5.18% Pb, and 5.52% Zn at the
149 m
elevation; and -
Hole 21CK42A35
intersected a
0.94 m
interval (
0.72 m
true width) of newly discovered vein V52-2, grading 78 g/t Ag, 0.08% Pb, and 25.07% Zn at the
-1 m
elevation.
Table 1: Selected intercepts from the 2019-2021 exploration programs at the GC mine
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Tunneling Programs at the GC Mine
In addition to the drilling program,
16,070 m
of exploration drift tunneling were developed at the GC mine during this period. The exploration tunneling, comprised of drifting, cross-cutting and raising, was driven along and across major mineralized vein structures to upgrade the drill-defined mineral resources and test for new parallel and splay structures. The results of the exploration tunneling are summarized in the following table.
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Highlights of selected mineralized zones exposed in the drift tunnels:
-
Drift Tunnel
V5-9-(-50)-30NEYM
exposed mineralization
60 m
long and
1.09 m
wide (true width) grading 357 g/t Ag, 4.72% Pb, and 10.08% Zn within vein V5-9 at the
-50 m
elevation; -
Drift Tunnel
V19-(-75)-42WYM
exposed mineralization
28 m
long and
0.91 m
wide (true width) grading 234 g/t Ag, 13.56% Pb, and 6.42% Zn within vein V19 at the
-100 m
elevation; -
Drift Tunnel
V19-(-50)-48ANEYM
exposed mineralization
65 m
long and
1.20 m
wide (true width) grading 161 g/t Ag, 2.28% Pb, and 12.18% Zn within vein V19 at the
-50 m
elevation; -
Drift Tunnel
V52-150-119NEYM
exposed mineralization
50 m
long and
0.86 m
wide (true width) grading 454 g/t Ag, 3.88% Pb, and 7.39% Zn within vein V52 at the
150 m
elevation; and -
Drift Tunnel
V10-1-150-38ANEYM
exposed mineralization
135 m
long and
0.60 m
wide (true width) grading 288 g/t Ag, 0.77% Pb, and 12.61% Zn within vein V10-1 at the
150 m
elevation.
Table 2: Selected mineralized zones exposed by drift tunneling at the GC mine
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Quality Control
Drill cores are NQ size. Drill core samples, limited by apparent mineralization contacts or shear/alteration contacts, were split into halves by saw cutting. The half cores are stored in the Company’s core shacks for future reference and checks, and the other half core samples are shipped in securely sealed bags to the on-site laboratory (Laboratory of Guangdong Found).
Channel samples are collected along sample lines perpendicular to the mineralized vein structure in exploration tunnels. Spacing between sampling lines is typically
5 m
along strike. Both the mineralized vein and the altered wall rocks are cut by continuous chisel chipping. Sample length ranges from
0.2 m
to more than
1 m
, depending on the width of the mineralized vein and the mineralization type. Channel samples are shipped in securely sealed bags to the on-site laboratory.
For analysis, the
sample is dried and crushed to minus 1 mm and then split to a 200-300 g subsample which is further pulverized to minus 200 mesh. Two subsamples are prepared from the pulverized sample. One is digested with two-acids for analysis of silver, lead, zinc and copper with atomic absorption spectroscopy (AAS), and the other is retained as pulp reject at the lab for future reference.
A routine quality assurance/quality control (QA/QC) procedure is adopted to monitor the analytical quality at each lab. Certified reference materials (CRMs), pulp duplicates and blanks are inserted into each batch of lab 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 practices in sample preparation and analysis of the exploration samples. Project geologists regularly insert CRMs, field duplicates and blanks to each batch of 30 core samples to monitor the sample preparation and analysis procedures at the labs. The analytical quality of the labs is further evaluated with external checks by sending approximately 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.
Guoliang Ma
, P. Geo., Manager of Exploration and Resource of the Company, is the Qualified Person for Silvercorp under NI 43-101 and has reviewed and given consent to the technical information contained in this news release.
About Silvercorp
Silvercorp is a profitable Canadian mining company producing silver, lead and zinc metals in concentrates from mines in
China
. The Company’s goal is to continuously create healthy returns to shareholders through efficient management, organic growth and the acquisition of profitable projects. Silvercorp balances profitability, social and environmental relationships, employees’ wellbeing, and sustainable development. For more information, please visit our website at
www.silvercorp.ca
.
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 1995 and “forward-looking information” within the meaning of applicable Canadian provincial securities laws. Any statements or information that express or involve discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions or future events or performance (often, but not always, using words or phrases such as “expects”, “is expected”, “anticipates”, “believes”, “plans”, “projects”, “estimates”, “assumes”, “intends”, “strategies”, “targets”, “goals”, “forecasts”, “objectives”, “budgets”, “schedules”, “potential” or variations thereof or stating that certain actions, events or results “may”, “could”, “would”, “might” or “will” be taken, occur or be achieved, or the negative of any of these terms and similar expressions) are not statements of historical fact and may be forward-looking statements or information. Forward-looking statements or information relate to, among other things: the price of silver and other metals; the accuracy of mineral resource and mineral reserve estimates at the Company’s material properties; the sufficiency of the Company’s capital to finance the Company’s operations; estimates of the Company’s revenues and capital expenditures; estimated production from the Company’s mines in the Ying Mining District; timing of receipt of permits and regulatory approvals; availability of funds from production to finance the Company’s operations; and access to and availability of funding for future construction, use of proceeds from any financing and development of the Company’s properties.
Forward-looking statements or information are subject to a variety of known and unknown risks, uncertainties and other factors that could cause actual events or results to differ from those reflected in the forward-looking statements or information, including, without limitation, risks relating to: social and economic impacts of COVID-19; fluctuating commodity prices; calculation of resources, reserves and mineralization and precious and base metal recovery; interpretations and assumptions of mineral resource and mineral reserve estimates; exploration and development programs; feasibility and engineering reports; permits and licenses; title to properties; property interests; joint venture partners; acquisition of commercially mineable mineral rights; financing; recent market events and conditions; economic factors affecting the Company; timing, estimated amount, capital and operating expenditures and economic returns of future production; integration of future acquisitions into the Company’s existing operations; competition; operations and political conditions; regulatory environment in
China
and Canada; environmental risks; foreign exchange rate fluctuations; insurance; risks and hazards of mining operations; key personnel; conflicts of interest; dependence on management; internal control over financial reporting as per the requirements of the Sarbanes-Oxley Act; and bringing actions and enforcing judgments under U.S. securities laws.
This list is not exhaustive of the factors that may affect any of the Company’s forward-looking statements or information. Forward-looking statements or information are statements about the future and are inherently uncertain, and actual achievements of the Company or other future events or conditions may differ materially from those reflected in the forward-looking statements or information due to a variety of risks, uncertainties and other factors, including, without limitation, those referred to in the Company’s Annual Information Form for the year ended
March 31, 2021
under the heading “Risk Factors”. Although the Company has attempted to identify important factors that could cause actual results to differ materially, there may be other factors that cause results not to be as anticipated, estimated, described or intended. Accordingly, readers should not place undue reliance on forward-looking statements or information.
The Company’s forward-looking statements and information are based on the assumptions, beliefs, expectations and opinions of management as of the date of this press release, and other than as required by applicable securities laws, the Company does not assume any obligation to update forward-looking statements and information if circumstances or management’s assumptions, beliefs, expectations or opinions should change, or changes in any other events affecting such statements or information. For the reasons set forth above, investors should not place undue reliance on forward-looking statements and information.
CAUTIONARY NOTE TO US INVESTORS
The disclosure in this news release and referred to herein was prepared in accordance with NI 43-101 which differs significantly from the requirements of the U.S. Securities and Exchange Commission (the “SEC”). The terms “proven mineral reserve”, “probable mineral reserve” and “mineral reserves” used in this news release are in reference to the mining terms defined in the Canadian Institute of Mining, Metallurgy and Petroleum Standards (the “CIM Definition Standards”), which definitions have been adopted by NI 43-101. Accordingly, information contained in this news release providing descriptions of our mineral deposits in accordance with NI 43-101 may not be comparable to similar information made public by other U.S. companies subject to
the United States
federal securities laws and the rules and regulations thereunder.
Investors are cautioned not to assume that any part or all of mineral resources will ever be converted into reserves. Pursuant to CIM Definition Standards, “Inferred mineral resources” are that part of a mineral resource for which quantity and grade or quality are estimated on the basis of limited geological evidence and sampling. Such geological evidence is sufficient to imply but not verify geological and grade or quality continuity. An inferred mineral resource has a lower level of confidence than that applying to an indicated mineral resource and must not be converted to a mineral reserve. However, it is reasonably expected that the majority of inferred mineral resources could be upgraded to indicated mineral resources with continued exploration. Under Canadian rules, estimates of inferred mineral resources may not form the basis of feasibility or pre-feasibility studies, except in rare cases. Investors are cautioned not to assume that all or any part of an inferred mineral resource is economically or legally mineable. Disclosure of “contained ounces” in a resource is permitted disclosure under Canadian regulations; however, the SEC normally only permits issuers to report mineralization that does not constitute “reserves” by SEC standards as in place tonnage and grade without reference to unit measures.
Canadian standards, including the CIM Definition Standards and NI 43-101, differ significantly from standards in the SEC Industry Guide 7. Effective
February 25, 2019
, the SEC adopted new mining disclosure rules under subpart 1300 of Regulation S-K of the United States Securities Act of 1933, as amended (the “SEC Modernization Rules”), with compliance required for the first fiscal year beginning on or after January 1, 2021. The SEC Modernization Rules replace the historical property disclosure requirements included in SEC Industry Guide 7. As a result of the adoption of the SEC Modernization Rules, the SEC now recognizes estimates of “Measured Mineral Resources”, “Indicated Mineral Resources” and “Inferred Mineral Resources”. In addition, the SEC has amended its definitions of “Proven Mineral Reserves” and “Probable Mineral Reserves” to be substantially similar to corresponding definitions under the CIM Definition Standards. During the period leading up to the compliance date of the SEC Modernization Rules, information regarding mineral resources or reserves contained or referenced in this news release may not be comparable to similar information made public by companies that report according to U.S. standards. While the SEC Modernization Rules are purported to be “substantially similar” to the CIM Definition Standards, readers are cautioned that there are differences between the SEC Modernization Rules and the CIM Definitions Standards. Accordingly, there is no assurance any mineral reserves or mineral resources that the Company may report as “proven mineral reserves”, “probable mineral reserves”, “measured mineral resources”, “indicated mineral resources” and “inferred mineral resources” under NI 43-101 would be the same had the Company prepared the reserve or resource estimates under the standards adopted under the SEC Modernization Rules.
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SOURCE Silvercorp Metals Inc
