Silvercorp Metals (SVM.TO) on Tuesday reported an updated technical report for the Gaocheng silver-lead-zinc mine in China.
Estimated measured and indicated mineral resources were 18.3 million tonnes grading 65 grams per tonne silver, 0.91% lead and 2.24% zinc, containing 38.3 million ounces silver, 167,000 tonnes lead and 408,000 tonnes zinc.
Measured and indicated resource tonnes rose 59% from the 2024 technical report, while contained metal increased 23% for silver, 24% for lead and 25% for zinc.
Estimated proven and probable mineral reserves were 6.2 Mt grading 63 g/t silver, 0.91% lead and 2.23% zinc, containing 12.5 Moz silver, 56,000 tonnes lead and 138,000 tonnes zinc.
Proven and probable mineral reserves tonnes increased 25%. Changes in total contained metal were -4% for silver, -7% for lead and -2% for zinc.
Estimated inferred resources were 7.36 Mt grading 75 g/t silver, 0.84% lead and 1.91% zinc, containing 17.7 Moz silver, 62,000 tonnes lead and 140,000 tonnes zinc. Inferred tonnes fell 23% and contained metal decreased by 32% for silver, 47% for lead and 40% for zinc.
At an 8% discount rate, the mine has a projected post-tax NPV5 of C$101.4 million, with a post-tax NPV5 attributable to Silvercorp of C$100.3 million for a 99% interest.