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Drilling continues to expand Greens Creek


Last updated 8/16/2019 at 5:06am

Greens Creek silver exploration map Southeast Alaska underground mine

Hecla Mining Company

Hecla Mining Company Aug. 6 reported that drilling at Greens Creek has upgraded and expanded the resources in East Ore, NWW and 9A, zones.

East Ore is a zone that comes to surface at the Big Sore outcrop that led to the Greens Creek discovery. Going into 2019, this zone continued to host 454,800 metric tons of indicated resource averaging 12.6 ounces per ton (5.73 million oz) silver, 7.86 perce...

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