 Silvercorp Metals Inc unveiled a new technical report on its Gaocheng GC operation that increases the resources and reserves on the silver-zinc-lead project. The report outlines mineral reserves of 4.131 million tonnes in the combined proven and probable categories at a grade of 94 grams per ton gt silver, 1.5 lead, and 3.2 zinc, containing about 12.5 million ounces of silver, 135 million pounds of lead, and 293 million pounds of zinc. 