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Ketchikan Mining District Study

 

Jumbo

Skarn Deposit Map
Ketchikan Mining District Map
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  MAS/MILS Site Data
 
Property Name
Jumbo
MAS Number
0021190002
Location
119A-2, NE34 76S 84E
Land Status
Private: MS 562, 1542, 1545
Deposit Type/Commodities
Skarn: Cu, Au, Mo
Workings
Glory hole; adits (14+ ); several 1,000's m workings
Production
4,634 mt Cu, 3.3 mt Ag, 268 kg Au
Significant Results
Average grade from production: 4.1% Cu, 24.5 ppm Ag, 2 ppm Au (hand sorted); Cu to 2.8%, Au to 4,526 ppb, Ag to 14.6 ppm, Mo to 1,322 ppm
Select References  Bibliography, NOTE: this document will open in a second browser window)
Herreid et al, 1978
Kennedy, 1953
Klobusicky, 1965
Maas et al, 1991
Wright, 1915
Wright et al, 1946

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