The mining newspaper for Alaska and Canada's North
The mining newspaper for Alaska and Canada's North
New target emerges on Core Assets' Blue property, North BC North of 60 Mining News - April 12, 2023
This massive magnetite-chalcopyrite sample collected from the historical Kim skarn showing averages 2.16% copper, 109 g/t silver, 0.39 g/t gold, and 0.16% molybdenum.
Click on image for larger Kim skarn map.
Core Assets Corp. April 11 reported strong copper and associated silver was encountered during 2022 channel sampling at the Kim skarn target on the company's 113,900-hectare (281,500 acres) Blue property in Northern British Columbia.
Located along BC's border with Alaska in the Atlin Mining District, the district-scale Blue land package hosts high-grade skarn, carbonate replacement, and porphyry prospects enriched with copper, gold, zinc, silver, and lead.
Since assembling the district-scale land package and listing on the Canadian Securities Exchange in 2020, Core's exploration has been primarily focused on two main project areas – Laverdiere and Silver Lime.
Laverdiere, which is found in the eastern part of the Blue property, hosts three areas of outcropping skarn mineralization.
Silver Lime, which lies about 10 kilometers (six miles) southwest of Laverdiere, is a porphyry-carbonate replacement deposit project enriched in silver, zinc, lead, copper, and gold.
Kim is a separate and earlier staged skarn target area about 22 kilometers (14 miles) north of Silver Lime that was discovered by Falconbridge Nickel Mines Ltd. in 1965.
Chip samples collected by Falconbridge from an outcropping skarn at Kim are reported to have returned an average of 4.03% copper, 0.82% zinc, 99.5 grams per metric ton silver, and 0.62 g/t gold.
During 2022, Core geologists collected channel samples and rock grab samples from the Kim target area.
Channel sampling over a 15-meter-long stretch of the historical Kim skarn averaged 1.43% copper, 92 g/t silver, and 0.04 g/t gold.
Surficial rock grab samples collected near this showing returned assay values of up to 8.3% copper, 240 g/t silver, 0.16% molybdenum, 0.39 g/t gold, and 0.21% zinc.
In addition to extending the historical high-grade copper-silver mineralization at the Kim showing, the Core field team discovered a new skarn zone about 2,000 meters to the southeast.
The average grade of 10 rock samples collected from this discovery area was 1.35% copper, 85 g/t silver, and 2.4% zinc-plus-lead.
The area between the historical and new Kim targets is covered by younger rocks that lie over the carbonate rocks that host the skarn mineralization.
The initial sampling indicates that the Kim skarn becomes more enriched with zinc and lead as it extends along a fault that runs southeast from the historical showing to the new discovery area.
"Our district-scale land package continues to return extraordinary results increasing the number of exploration targets substantially," said Core Assets President and CEO Nick Rodway. "Exploration at the Kim Target in 2022 yielded our highest-grade copper-silver channel samples to-date, and we expect to continue to unveil additional new discoveries during the 2023 drilling season set to start in June. Additional sampling results and technical updates are still to come prior to drill mobilization."
Over his more than 16 years of covering mining and mineral exploration, Shane has become renowned for his ability to report on the sector in a way that is technically sound enough to inform industry insiders while being easy to understand by a wider audience.
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