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SILVERCORP REPORTS HIGH-GRADE GOLD-SILVER-LEAD-ZINC DRILL RESULTS FROM THE HPG MINE

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SILVERCORP REPORTS HIGH-GRADE GOLD-SILVER-LEAD-ZINC DRILL RESULTS FROM THE HPG MINE

 

 

 

 

 

Silvercorp Metals Inc. (TSX: SVM) (NYSE American: SVM) is pleased to report high-grade gold-silver-lead-zinc intercepts from its ongoing diamond drilling program at the HPG mine in the Ying Mining District, China.

 

Highlights (all intersections are in core lengths):

  • Surface hole ZK1645 intersected an 8.24 metre interval of vein H4 grading 4.31 grams per tonne gold, 15 g/t silver, and 2.10% lead from 56.28 m depth, at an elevation of 819 m;
  • Underground hole ZK02N36 intersected a 0.61 m interval of vein H5E grading 3.86 g/t Au, 6,132 g/t Ag, 6.45% Pb, 8.47% zinc and 0.33% copper from 72.36 m depth, at an elevation of 331 m;
  • Surface hole ZK3421 intersected a 0.63 m interval of vein H17_1 grading 23.80 g/t Au and 14 g/t Ag, from 71.95 m depth, at an elevation of 761 m;
  • Underground hole ZKH12N21 intersected a 4.60 m interval of vein H17 grading 1.23 g/t Au, 193 g/t Ag, 7.56% Pb, 3.79% Zn, and 0.38% Cu from 68.67 m depth, at an elevation of 329 m;
  • Underground hole ZK21N11 intersected a 2.05 m interval of vein H16_3 grading 3.75 g/t Au, 128 g/t Ag, 2.26% Pb, and 1.05% Zn, from 148.72 m depth, at an elevation of 381 m;
  • Underground hole ZKH21N20 intersected a 2.69 m interval of vein H16_3 grading 2.72 g/t Au, 269 g/t Ag, 1.02% Pb, 0.69% Zn, and 0.80% Cu from 147.79 m depth, at an elevation of 338 m;
  • Underground hole ZKH27N03 intersected a 1.70 m interval of vein H14a grading 10.49 g/t Au, 18 g/t Ag, 1.02% Pb, and 0.75% Zn, from 181.11 m depth, at an elevation of 440 m;
  • Underground hole ZKH21N22 intersected a 0.95 m interval of vein H16_3 grading 6.62 g/t Au, 507 g/t Ag, 1.77% Pb, 1.35% Zn, and 0.97% Cu from 151.45 m depth, at an elevation of 350 m;
  • Underground hole ZK19N15 intersected a 0.45 m interval of vein H10_1 grading 25.80 g/t Au and 216 g/t Ag, from 148.64 m depth, at an elevation of 599 m;
  • Underground hole ZK04N14 intersected a 1.01 m interval of vein H13 grading 0.62 g/t Au, 930 g/t Ag, 25.93% Pb, 0.30% Zn, and 1.24% Cu from 63.67 m depth, at an elevation of 683 m;

 

Figure 1: Location of the HPG mine within the Ying mining district.

 

From January 1, 2022 to November 15, 2023, a total of 45,046 m in 297 diamond drill holes, including 215 underground holes and 82 surface holes, were completed at the HPG mine. Assay results for 270 holes have been received, with 139 holes intercepting mineralization. Currently, there are 8 rigs drilling at the HPG mine.

 

The drilling program at the HPG mine has been focused on three main areas (Figure 2): 1) near surface gold-silver-lead-zinc (Au-Ag-Pb-Zn) vein structures within the resource area which have seen limited exploration drilling and tunneling (upper zone – U); 2) infill drilling above or below previously-mined stopes where production stopped due to higher than expected variability in grades, vein thicknesses, and attitudes of the vein structures (production zone – P); and 3) testing the Au-Ag-Pb-Zn mineralization potential and extent within a rhyolitic breccia dyke that is situated within the current underground mining infrastructure (breccia zone – B).

 

Figure 2: Location of drill holes and target areas at HPG mine applicable to the reporting period.

 

Drilling Near Surface Au-Ag-Pb-Zn Vein Structures within the Resource Area – Upper Zone (U)

 

Previous drilling was primarily focused on testing the strike and downdip extent of known vein structures with a limited focus being placed on the up-dip potential at shallower elevations above 600 m above mean sea level (“amsl”). Extensive drilling from surface and underground drill carbines yielded intercepts of high-grade Au-Ag-Pb-Zn vein structures at higher elevations, which include the H13 series, H15 series, H16 series, H17 series, H32 series, H42 series, H5, H13, H14, H18, and H29 (Table 1).

 

Drilling Above or Beneath Previously-Mined Stopes within the Resource Area – Production Zone (P)

 

The majority of the drilling campaign targeted areas of known Au-Ag-Pb-Zn vein structures that were previously underexplored due to higher than expected variation in the thickness and trend of the high grade ore shoots of the veins within the resource areas below the 600 m amsl elevation. The high-grade intercepts are mainly associated with the northwest-dipping H5 series, H 15 series, H16 series, H17 series, H11, H13, and H14, and the east-dipping H20 series, H41 series, H32 series, H29, H40 and H42 veins. These intercepts have led to significant expansion and upgrading of high-grade resources (Table 2).

 

Testing Au-Ag-Pb-Zn mineralization within the Rhyolitic Breccia Dyke – Breccia Zone (B)

 

Drilling has been ongoing to test the mineralization within a northwest trending rhyolitic breccia dyke (breccia zone B8) (Table 3) hosting disseminated Au-Ag-Pb-Zn-Cu mineralization across a currently defined zone measuring 50 m long, 30 m high, and 20m wide. The newly discovered B8 orebody has been mined since October 2023 by means of long-hole stoping.

 

In addition to the drilling outlined above, which focused on drilling vein structures within the current mining infrastructure, some drillholes were aimed at testing the down-dip extension of major vein structures including H15, H16, and H17 below 300 m amsl elevation within the Deep Zone (zone D). Initial drilling confirmed notable mineralization and down dip extension of mineralization along the targeted vein structures (Table 4).

 

Table 1: Selected intercepts from the drilling programs at the U zone of the HPG mine

 

 

Hole ID From
(m)
To
(m)
Elevation
(m)
interval
(m)
Au
(g/t)
Ag
(g/t)
Pb
(%)
Zn
(%)
Cu
(%)
Vein
ZK02N05 53.62 54.45 661 0.83 0.19 227 21.15 0.14 0.19 H32
ZK04N10 56.67 57.10 687 0.43 0.05 114 9.94 0.08 0.19 H32
ZK04N14 63.67 64.68 683 1.01 0.62 930 25.93 0.30 1.24 H13
ZK04N15 58.89 59.52 666 0.63 0.21 88 7.09 0.12 0.13 H32
ZK04W02 59.54 60.08 729 0.54 0.94 178 15.28 0.02 0.03 H15
ZK06N13 67.49 69.55 682 2.06 0.31 184 10.59 0.09 0.25 H13
ZK06S03 124.59 125.82 717 1.23 0.20 57 8.92 0.05 0.06 H13
ZK06S04 128.02 129.58 724 1.56 0.10 69 1.84 0.57 0.03 H15_2
ZK08N13 84.64 86.04 680 1.40 0.37 441 11.75 0.42 0.25 H13
ZK08N14 101.76 102.11 678 0.35 0.72 261 0.93 0.49 0.20 H13
ZK08S01 90.55 91.36 760 0.81 0.37 72 17.30 0.08 0.11 H13
ZK08S05 87.75 89.40 774 1.65 0.15 17 4.01 0.03 0.01 H15_2
ZK11004 105.13 105.60 605 0.47 0.04 592 0.94 0.37 0.01 H41W_1
ZK11205 103.81 105.45 614 1.64 3.31 1 0.01 0.01 0.01 H42a
ZK14N23 80.61 81.11 705 0.50 0.97 110 13.55 0.53 0.80 H15W
ZK14N25 89.92 90.75 676 0.83 0.81 41 4.37 0.02 0.04 H15W
ZK14S22 36.91 37.94 731 1.03 0.07 42 3.40 0.11 0.01 H15
ZK1644 190.15 190.73 689 0.58 4.71 152 15.71 1.73 0.54 H32a
ZK1645 56.28 64.52 819 8.24 4.31 15 2.10 0.01 0.02 H4
ZK1645 210.11 210.59 671 0.48 0.61 27 9.36 0.04 0.01 H32a
ZK1646 66.45 67.61 809 1.16 2.48 13 2.48 0.02 0.01 H4
ZK1646 204.79 206.45 675 1.66 0.05 23 5.14 3.02 0.05 H4a
ZK1646 218.66 219.85 662 1.19 0.39 32 4.71 0.12 0.06 H32a
ZK1647 222.14 224.11 663 1.97 1.72 103 3.72 0.67 0.55 H32a
ZK17N05 100.28 100.75 625 0.47 0.16 78 4.91 0.28 0.01 H9
ZK21N41 47.21 47.76 600 0.55 1.74 76 5.97 1.73 0.01 H39_2
ZK2346 113.21 114.22 716 1.01 2.59 8 0.20 0.53 0.01 H42
ZK2346 123.36 123.91 710 0.55 5.21 8 1.70 1.49 0.03 H15
ZK2347 106.66 107.46 740 0.80 1.48 19 1.61 0.48 0.02 H16_3
ZK2348 56.19 56.85 776 0.66 2.13 8 0.41 0.97 0.02 H14
ZK2348 64.67 66.39 771 1.72 3.16 4 0.12 0.43 0.01 H14a
ZK2348 132.58 133.26 733 0.68 2.00 4 0.19 0.20 0.01 H15
ZK23S03 107.58 108.43 790 0.85 0.68 132 0.78 0.60 0.07 H16
ZK2412 172.03 173.06 720 1.03 1.98 6 0.01 0.02 0.01 H17
ZK24S01 199.44 200.03 721 0.59 0.34 95 14.67 0.88 0.01 H32a
ZK29S02 211.70 212.20 684 0.50 0.16 89 17.02 4.86 0.04 H29
ZK3421 71.95 72.58 761 0.63 23.80 14 0.03 0.03 0.01 H17_1
ZK3638 37.58 37.96 804 0.38 1.10 197 0.19 0.08 0.03 H17_1
ZKH00N42 48.80 50.96 635 2.16 0.68 140 1.08 0.14 0.05 H5
ZKH04S01 50.64 51.27 656 0.63 0.15 659 0.31 2.29 0.14 H17
ZKH06N01 64.39 64.71 618 0.32 0.16 309 0.60 0.10 0.49 H32E1
ZKH06N02 50.40 51.01 615 0.61 5.10 28 0.48 0.12 0.01 H32E1
ZKH06S01 99.64 101.43 606 1.79 1.03 76 2.14 0.09 0.69 H15
ZKH06S01 102.56 109.99 605 7.43 0.61 89 7.08 0.19 0.36 H17
ZKH06S09 17.36 18.28 633 0.92 0.16 115 0.53 1.91 0.03 H13
ZKH12S52 45.57 47.28 718 1.71 0.11 33 3.33 0.04 0.08 H15
ZKH12S52 163.31 164.40 670 1.09 0.29 133 2.02 1.40 0.06 H18
ZKH130C01 92.85 93.96 712 1.11 4.04 3 0.02 0.01 0.01 H15
ZKH14S31 38.31 39.37 730 1.06 0.05 45 3.75 0.04 0.05 H15
ZKH14S31 153.43 154.53 712 1.10 2.56 41 1.32 0.82 0.02 H18
ZKH16S51 85.99 87.16 676 1.17 0.16 177 0.34 0.01 0.86 H15E
ZKH16S51 168.41 169.33 619 0.92 0.45 128 3.23 1.25 0.04 H18
ZKH16S52 35.85 40.22 733 4.37 0.08 28 4.13 0.03 0.03 H15
ZKH16S52 171.30 172.25 719 0.95 0.12 211 1.21 0.63 0.06 H18
ZKH18N01 147.22 147.86 756 0.64 0.04 10 4.44 0.99 0.01 H6
ZKH24S05 157.87 159.05 741 1.18 0.17 22 5.65 0.81 0.03 H32a
ZKH33N10 28.61 29.06 627 0.45 5.42 4 0.08 0.16 0.01 H12E1

 

 

Table 2: Selected intercepts from the drilling programs at the P zone of the HPG mine

 

 

Hole ID From
(m)
To
(m)
Elevation
(m)
interval
(m)
Au
(g/t)
Ag
(g/t)
Pb
(%)
Zn
(%)
Cu
(%)
Vein
ZK02N36 72.36 72.97 331 0.61 3.86 6,132 6.45 8.47 0.33 H5E
ZK04N06 124.59 125.01 515 0.42 0.04 27 8.36 0.65 0.03 H5
ZK04N07 165.80 166.26 467 0.46 0.47 416 40.18 0.35 0.13 H5E
ZK04N08 95.05 95.63 582 0.58 0.89 91 1.01 0.09 0.10 H5a
ZK04N09 100.28 101.00 581 0.72 0.07 284 0.09 0.02 0.03 H5a
ZK04N09 102.91 104.23 580 1.32 0.61 66 13.01 0.12 0.18 H5
ZK04N19 15.15 15.48 375 0.33 5.52 23 0.42 0.98 0.01 H5E
ZK05N11 118.87 119.53 371 0.66 2.86 15 0.05 0.03 0.01 H5
ZK07N21 101.34 103.31 332 1.97 0.26 123 3.50 3.42 0.08 H5
ZK07N22 56.03 57.57 346 1.54 2.00 14 0.03 0.01 0.01 H5E
ZK09N23 82.17 82.52 332 0.35 21.00 120 2.85 15.03 0.09 H5
ZK09N31 2.81 3.54 462 0.73 0.21 106 0.10 0.03 1.07 H5E
ZK09N31 80.42 81.30 415 0.88 0.34 300 1.24 0.92 0.06 H5
ZK11007 240.47 241.68 497 1.21 2.39 2 0.08 0.07 0.01 H12_1
ZK11008 225.13 225.59 518 0.46 7.44 17 0.39 0.50 0.04 H12_1
ZK11204 205.86 206.86 555 1.00 2.92 5 0.14 0.04 0.01 H20W
ZK11209 202.55 203.11 527 0.56 2.71 8 0.76 0.75 0.03 H20W1
ZK11211 82.05 82.40 591 0.35 4.42 26 1.79 0.05 0.01 H41W
ZK11614 44.23 44.80 446 0.57 11.90 45 3.39 0.49 0.19 H20W1
ZK11614 46.12 46.95 445 0.83 3.26 84 0.94 0.49 0.10 H20W
ZK14N18 13.94 14.58 380 0.64 1.55 58 2.54 9.79 0.21 H32E1
ZK14N19 28.10 28.52 377 0.42 7.00 10 0.31 0.25 0.01 H32E1
ZK19N15 148.64 149.09 599 0.45 25.80 216 0.04 0.01 0.01 H10_1
ZK19N20 8.53 9.40 462 0.87 0.97 108 16.84 0.33 0.26 H11
ZK19N20 208.43 208.94 369 0.51 3.25 5 0.40 0.14 0.01 H42
ZK21N11 148.72 150.77 381 2.05 3.75 128 2.26 1.05 0.20 H16_3
ZK21N37 131.58 132.30 435 0.72 7.51 15 0.10 0.18 0.01 H16_1
ZK21N39 126.31 128.05 432 1.74 2.10 56 2.71 1.25 0.08 H16_1
ZK21N41 114.86 117.14 559 2.28 0.25 49 5.17 0.06 0.01 H12_1
ZK21N42 55.06 55.50 589 0.44 1.01 164 2.23 0.85 0.01 H39_2
ZK21N42 131.24 131.92 533 0.68 1.35 94 0.65 0.26 0.01 H12_1
ZK22N01 99.79 100.94 588 1.15 4.59 23 0.94 0.07 0.11 H15
ZK23N05 141.55 142.62 381 1.07 1.63 16 1.13 0.62 0.01 H16_1
ZK23N32 54.49 54.93 429 0.44 3.36 43 0.15 0.10 0.35 H17_1W
ZK23N34 5.54 6.15 466 0.61 1.75 27 0.31 0.82 0.06 H11
ZK23N34 121.72 122.34 439 0.62 2.43 11 0.48 0.23 0.04 H16_1
ZK23N35 5.59 6.59 465 1.00 1.43 28 1.88 0.24 0.09 H11
ZK23N35 181.11 181.60 405 0.49 0.09 52 10.80 0.04 0.13 H17_1
ZK25N04 55.72 56.13 435 0.41 4.48 77 0.34 0.56 0.01 H13
ZK25N05 83.43 84.69 515 1.26 1.73 9 0.35 0.33 0.03 H16_1
ZK25N08 94.53 95.59 417 1.06 2.05 3 0.03 0.04 0.01 H16
ZK27N04 161.78 162.48 484 0.70 1.98 9 0.24 0.15 0.02 H16_1
ZK27N07 105.32 106.13 552 0.81 2.00 13 0.20 0.08 0.03 H16
ZK27N07 137.48 138.13 534 0.65 2.21 15 0.40 0.36 0.06 H40
ZK27N08 143.28 143.82 480 0.54 2.96 7 0.14 0.06 0.01 H16
ZK29N10 136.81 139.45 530 2.64 2.09 4 0.39 0.21 0.01 H16_1a
ZKH02N37 127.89 128.54 324 0.65 8.78 35 1.12 0.16 0.06 H5_2
ZKH02N38 116.61 117.60 328 0.99 9.21 8 0.08 0.14 0.09 H5_2W
ZKH02N38 141.53 142.38 324 0.85 0.34 73 1.56 0.42 0.07 H5_2
ZKH02N38 172.02 172.65 320 0.63 0.13 67 2.49 6.17 0.04 H5E
ZKH08N03 132.56 133.27 591 0.71 0.40 382 6.23 1.38 0.51 H15_2
ZKH12N21 67.10 67.77 330 0.67 1.17 172 3.23 12.97 0.22 H17_1
ZKH12N21 68.67 73.27 329 4.60 1.23 193 7.56 3.79 0.38 H17
ZKH12N22 28.43 28.88 361 0.45 0.28 76 4.92 0.13 0.01 H15
ZKH12N22 67.78 69.48 331 1.70 0.23 61 2.04 6.67 0.21 H17_1
ZKH12N22 71.25 73.94 328 2.69 0.53 86 4.33 2.61 0.18 H17
ZKH19N25 13.44 14.21 571 0.77 0.14 190 0.28 0.17 0.28 H39_1E
ZKH21N20 64.38 65.22 361 0.84 0.29 54 1.44 1.70 0.01 H13
ZKH21N20 68.18 69.13 360 0.95 0.68 382 0.54 0.57 0.02 H13a
ZKH21N20 141.43 142.15 339 0.72 1.62 13 1.30 1.00 0.03 H16_1
ZKH21N20 147.79 150.48 338 2.69 2.72 269 1.02 0.69 0.80 H16_3
ZKH21N20 160.42 161.02 334 0.60 5.66 7 0.24 0.08 0.02 H15Wa
ZKH21N20 168.74 169.82 332 1.08 0.41 21 5.00 0.11 0.05 H15
ZKH21N20 188.06 188.68 326 0.62 1.87 45 0.75 0.13 0.52 H17_1
ZKH21N22 51.71 52.66 369 0.95 2.53 3 0.03 0.05 0.01 H11Ea
ZKH21N22 68.83 69.73 366 0.90 0.99 84 0.28 0.61 0.01 H13
ZKH21N22 142.40 143.19 351 0.79 0.71 22 1.83 1.95 0.15 H16_1
ZKH21N22 151.45 152.40 350 0.95 6.62 507 1.77 1.35 0.97 H16_3
ZKH21N22 165.32 166.62 347 1.30 1.71 11 0.42 0.07 0.03 H15
ZKH27N02 16.60 18.68 535 2.08 2.10 74 0.31 0.12 0.28 H20W
ZKH27N03 15.14 15.86 531 0.72 5.97 15 0.43 0.37 0.04 H20W
ZKH27N03 120.16 122.82 473 2.66 1.27 23 1.27 0.10 0.02 H40
ZKH27N03 181.11 182.81 440 1.70 10.49 18 1.02 0.75 0.03 H14a
ZKH27N04 94.47 95.70 510 1.23 1.43 32 1.10 0.69 0.01 H16_1
ZKH27N05 14.12 14.95 531 0.83 3.30 9 0.24 0.11 0.09 H20W
ZKH27N06 24.51 25.40 535 0.89 4.05 197 0.69 0.15 0.99 H17_1
ZKH27N06 26.90 28.91 535 2.01 0.14 240 0.68 1.37 0.41 H20W
ZKH27N06 114.53 115.25 522 0.72 1.65 293 2.09 0.47 0.54 H16
ZKH27N07 34.66 35.48 515 0.82 1.34 45 0.26 0.05 0.07 H20W
ZKH29N16 93.05 93.84 581 0.79 1.20 33 6.92 0.77 0.04 H41W
ZKH33N11 94.57 95.44 588 0.87 0.05 25 6.99 0.55 0.01 H12E
ZKH36N06 132.35 133.48 368 1.13 0.11 37 2.41 4.59 0.03 H15_1
ZKH36N07 135.56 136.22 354 0.66 0.18 61 7.00 3.04 0.03 H15_1
ZKH38N01 127.63 128.77 373 1.14 0.51 32 2.36 2.85 0.04 H17

 

 

Table 3: Selected intercepts from the drilling programs at the B zone of the HPG mine

 

 

Hole ID From
(m)
To
(m)
Elevation
(m)
interval
(m)
Au
(g/t)
Ag
(g/t)
Pb
(%)
Zn
(%)
Cu
(%)
Vein
ZK09N23 61.99 63.77 345 1.78 1.56 63 0.21 0.05 0.11 B
ZK09N31 18.91 19.47 452 0.56 3.04 120 0.12 0.02 0.35 B
ZK1323 20.66 21.40 727 0.74 0.01 22 1.41 3.05 0.03 B07
ZK15N26 75.65 77.12 576 1.47 0.85 135 0.72 1.50 0.15 B08
ZK15N27 91.75 92.82 555 1.07 0.62 288 1.81 0.11 0.29 B08
ZK15N30 67.58 71.80 571 4.22 0.45 144 0.99 0.61 0.07 B08
ZK15N32 73.19 74.77 568 1.58 1.71 93 0.22 0.08 0.02 B08
ZKH07N12 48.07 48.81 346 0.74 1.88 17 0.03 0.02 0.01 B02

 

 

Table 4: Selected intercepts from the drilling programs at the D zone of the HPG mine

 

 

Hole ID From
(m)
To
(m)
Elevation
(m)
interval
(m)
Au
(g/t)
Ag
(g/t)
Pb
(%)
Zn
(%)
Cu
(%)
Vein
ZK03N35 174.26 174.81 267 0.55 15.55 52 1.67 2.46 0.01 H5
ZK03N37 143.41 144.00 295 0.59 0.83 236 12.14 7.04 0.01 H5
ZK40N02 233.57 233.92 179 0.35 0.72 185 6.51 0.01 0.01 H17
ZKH00N39 255.51 256.21 119 0.70 0.18 22 1.85 5.23 0.08 H5E
ZKH06N34 106.37 107.11 -11 0.74 2.60 76 6.06 4.68 0.23 H15_1
ZKH06N34 159.08 159.74 -42 0.66 0.50 82 3.00 1.56 0.11 H17
ZKH4204 192.72 193.25 194 0.53 4.00 434 11.02 0.06 3.02 H15_1
ZKH4204 226.08 226.57 176 0.49 0.78 118 25.65 25.81 0.11 H15

 

 

Quality Control

 

Drill cores are NQ size. Drill core samples, limited by apparent mineralization contacts or shear/alteration contacts, were split into halves by sawing. 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 Chengde Huakan 514 Geology and Minerals Test and Research Institute in Chengde, Hebei Province, China, 226 km northeast of Beijing, the Zhengzhou Nonferrous Exploration Institute Lab in Zhengzhou, Henan Province, China, and SGS in Tianjin, China. All three labs are ISO9000 certified analytical labs. For analysis, the sample is dried and crushed to minus 1 mm and then split into 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 aqua regia for gold analysis with atomic absorption spectroscopy (“AAS”), and the other is digested by two-acid digestion 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 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 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 services. The channel samples are dried, crushed and pulverized. A 200 g sample of minus 160 mesh is prepared for assay. A duplicate sample of minus 1 mm is made and kept in the laboratory archives. Gold is analysed by fire assay with AAS finish, while silver, lead, zinc, and copper are assayed by two-acid digestion with AAS finish.

 

A routine quality assurance/quality control procedure is adopted to monitor the analytical quality at each lab. Certified reference materials, 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.

 

Posted December 22, 2023

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FIRST QUANTUM ANNOUNCES CLOSING OF $1,150 MILLION BOUGHT DEAL OFFERING, CLOSING OF $1,600 MILLION SENIOR SECURED SECOND LIEN NOTES OFFERING AND UPDATE ON COMPREHENSIVE REFINANCING

First Quantum Minerals Ltd. (TSX: FM) announced that it has compl... READ MORE

February 29, 2024

VIZSLA SILVER ANNOUNCES CLOSING OF $34.5 MILLION BOUGHT DEAL FINANCING

Vizsla Silver Corp. (TSX-V: VZLA) (NYSE: VZLA) (Frankfurt: 0G3)... READ MORE

February 29, 2024

New Found Makes New Discovery With 35 g/t Au Over 17m Including 1,910 g/t Au Over 0.3m at “Vegas Zone”

New Found Gold Corp.  (TSX-V: NFG, NYSE-A: NFGC) is pleased to a... READ MORE

February 29, 2024

Treasury Metals Announces Results from Drilling on Far East Target at the Goliath Gold Complex

Highlights: Continuity of near surface, Goliath-style alteration ... READ MORE

February 29, 2024

Guanajuato Silver Increases Size of Gold Loan Credit Facility to US$13.3M

Guanajuato Silver Company Ltd. (TSX–V:GSVR) (OTCQX:GSVRF) i... READ MORE

February 29, 2024

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