VANCOUVER, BRITISH COLUMBIA--(Marketwired - Feb. 19, 2014) - Silvercorp Metals Inc. ("Silvercorp" or the "Company") (TSX:SVM)(NYSE:SVM) is pleased to report the highlights of its recently completed 2013 step-out drilling program at the HPG and TLP mines in the Ying Mining District, Henan Province, China. The 2013 down-dip drilling exploration tested high-grade zone extensions of the current major veins, targeting the down dip extensions, some 200 to 250 metres ("m") below the limits of existing resources.

The 2013 drilling program included both underground and surface diamond drilling and totaled 3,459m of core drilling in 14 holes at the HPG mine and 10,289m of drilling in 16 holes at the TLP mine. Twelve of 16 holes at TLP and eight of 14 holes at HPG intercepted significant high-grade mineralization. The results from this drilling program have further extended the down-dip potential of the major mineralized veins at both the HPG and TLP mines and this mineralization remains open to depth.

Highlights of selected intercepts of drill holes include:

HPG Mine:

  • Surface Drill Hole ZK-H17-0012 intercepted a 1.42 metre ("m") interval from 784.85m to 786.27m downhole, with a 0.65m true width of vein H13, grading 263 grams per tonne ("g/t") gold ("Au"), 335 g/t silver ("Ag") 0.73% lead ("Pb"), and 1.74% zinc ("Zn") at the minus 82m elevation. The same hole also hit a 1.24m interval, (0.57m true width), of vein H11, grading 9.65g/t Au, 286g/t Ag, 4.30% Pb, and 2.19% Zn at the minus 34m elevation;

  • Hole ZK0416 intercepted a 1.90m interval from 167.85 m to 169.75 m, (1.54m true width), of vein H17 grading 1.43g/t Au, 239g/t Ag, 9.43% Pb, and 1.69% Zn at the +327m elevation; and

  • Hole ZK0111 intercepted a 1.90m interval from 76.37 m to 78.86 m, (1.71m true width), of vein H17 grading 1.94g/t Au, 150g/t Ag, 5.53% Pb, and 2.98% Zn at the +316m elevation.

TLP Mine:

  • Surface Hole ZK-III-3120 intercepted a 1.20m interval from 926.33m to 927.53m, (0.80m true width), of vein T3, grading 2.54g/t Au, 220g/t Ag, 0.35% Pb, 0.27% Zn at the +2m elevation;

  • Surface Hole ZK-III-2728 intercepted a 1.38m interval from 563.14m to 564.52m, (0.65m true width), of vein T3E, grading 2.21g/t Au, 338g/t Ag, 0.95% Pb, 1.30% Zn at the +225m elevation; and

  • Surface Hole ZK-III-2510 intercepted a 1.81m interval from 428.29m to 430.10m, (1.48m true width), of vein T33, grading 1.07 g/t Au, 140g/t Ag, 0.69% Pb, and 0.69% Zn at the +404m elevation.

The significant gold mineralization intercepted at depth at the HPG mine, (especially the deepest surface drill hole ZK-H17-0012 that intersected Vein H13 grading 263 g/t Au and 335 g/t Ag) is encouraging as it indicates the presence of a high-grade gold-silver-lead-zinc system about 300m below where the lowest mining tunnels are located. This may represent a change in the style of mineralization from silver-lead-zinc dominated at shallows to a gold dominated style at depth, providing potential for metal resource expansion at depth.

Tables 1 and 2 below lists the assay results of some selected mineralized intersections in the 2013 program drill holes.

Table 1: Selected drilling results from the HPG Mine

Hole ID From
True Width
Ag(g/t) Au(g/t) Pb(%) Zn(%) Mineralized
ZK0416 167.85 169.75 1.90 1.54 327 239 1.43 9.43 1.69 H17 UG*
ZK00+2508 53.49 55.20 1.71 1.46 398 58 0.03 8.39 0.16 H13 UG
140.98 142.58 1.60 1.57 358 141 0.24 9.19 0.05 H17
ZK00+2509 104.65 105.70 1.05 0.95 354 20 0.08 1.18 1.77 New Zone UG
152.42 153.40 0.98 0.85 323 45 0.20 2.61 1.67 H17
ZK0111 76.37 78.86 2.49 1.52 373 59 3.10 1.20 1.78 H13 UG
163.80 165.70 1.90 1.71 316 150 1.94 5.53 2.98 H17
ZK0215 154.08 155.82 1.74 1.48 326 41 0.81 0.96 0.17 H17 UG
ZK03+2501 73.08 74.01 0.93 0.79 393 240 0.38 1.48 1.42 H13 UG
ZK01+2502 129.61 131.41 1.80 1.57 329 90 0.13 4.08 4.50 H15 UG
ZK-H17-0012 320.02 323.62 3.60 1.29 311 86 0.26 2.43 7.85 H5 S**
725.28 726.52 1.24 0.57 -34 286 9.65 4.30 2.19 H11
784.85 786.27 1.42 0.65 -82 335 263.26 0.73 1.74 H13
914.05 914.35 0.30 0.14 -184 25 3.31 0.84 0.55 H17
* Underground Drilling; ** Surface Drilling

Table 2: Selected drilling results from the TLP Mine

Hole From
True Width
Ag(g/t) Au(g/t) Pb(%) Zn(%) Mineralized
ZK-III-3514 387.50 389.50 2.00 1.30 250 12 0.03 3.10 0.03 T3 UG*
ZK-III-1526 820.71 821.65 0.94 0.63 121 7 0.00 2.97 0.14 T3E? S**
ZK-III-3120 926.33 927.53 1.20 0.80 3 220 2.54 0.35 0.27 T3 S
ZK-III-3515 535.1 537.04 1.94 1.33 92 168 0.00 0.30 0.08 T3 UG
ZK-III-2318 214.70 216.13 1.43 0.73 545 115 0.44 1.03 1.47 New Zone UG
545.55 546.47 0.92 0.59 222 111 0.00 0.36 0.33 T3
ZK-III-1928 214.89 215.73 0.84 0.38 546 80 0.00 1.15 0.04 T1 UG
ZK-III-2728 553.24 556.47 3.23 1.56 234 117 0.51 2.51 0.20 T3 UG
563.14 564.52 1.38 0.65 225 338 2.21 0.95 1.30 T3E
ZK-III-2729 639.15 640.40 1.25 0.50 139 9 0.00 5.54 0.50 T3 UG
ZK-III-0726 246.86 248.31 1.45 0.89 530 141 0.00 0.25 0.15 T1W1 UG
ZK-III-1820 532.03 532.83 0.80 0.47 380 22 <0.05 3.95 0.06 New Zone S
652.46 653.57 1.11 0.64 263 140 <0.05 0.71 0.02 New Zone
ZK-III-2510 428.29 430.10 1.81 1.48 404 145 1.07 4.53 0.69 T33 S
* Underground Drilling; ** Surface Drilling.

The planned 2014 exploration drilling program at the HPG and TLP mines will include two drill rigs at underground drilling stations and one drill rig at the surface to further test the extension of the deep mineralisation as demonstrated by the above drill holes.

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. One half of the cores are stored in the Company's core shacks for future reference and checking, and the other half core samples are shipped in security sealed bags to the Chengde Huakan 514 Geology and Minerals Testing and Research Institute in Chengde, Hebei Province, and the Analytical Lab of the Inner Mongolia Geological Exploration Bureau in Hohhot, Inner Mongolia. Both analytical labs are ISO9000 certified. For analysis the sample is dried and crushed to minus 1mm and then split to a 200-300g sub-sample which is further pulverized to minus 200 mesh. Two sub-samples 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, and zinc.

A routine quality assurance/quality control procedure is adopted at each lab to monitor the analytical quality of the lab. Certified reference materials ("CRM"), 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 quality assurance and quality control program to ensure best practice in sample preparation and analysis of the drill core samples. Project geologists regularly insert CRM, field duplicates and blanks, to each batch of 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 about 3% of the pulp samples to higher level labs to check for lab bias.

Data from both the Company's and the commercial labs' QA/QC programs are reviewed on a timely basis by project geologists.

Rujin Jiang, P. Geo., is the Qualified Person on the project as defined under National Instrument 43-101. He has verified the information and has reviewed 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, which has paid a cash dividend since 2007. The Company is currently developing the GC project in southern China, which it expects will become its next operating mine. The Company's vision is to deliver shareholder value by focusing on the acquisition of small-scale projects with resource potential and self-fund the growth of those assets. For more information, please visit our website at


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