Mine detail: Hecla District

Previously called 'Hecla'

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Location

Lat / long: 45.60549, -112.92029

Resource(M)

Primary: Copper, Silver, Gold, Lead
Secondary: Zinc
Tertiary: Manganese
Discovery year: 1872

Production

Operation type: Unknown
Deposit type: VEIN, REPLACEMENT
Production size: Small
Development status: Producer
First production started: 1873
Last production ended: 1965

Geology

Structure:GREAT FAULT, BASALT DIKES, NORMAL FAULTS, DOME WITH OVERTURNED FOLDS, THRUSTING, AND TEAR FAULTS.
Alteration processes:SERITICIZATION, OXIDATION

References

MRDSW006769
DEP60001667
Reference{Deposit:: USGS BULL 574, P. 79-86.}{Deposit:: MBMG MEM 25.}{Deposit:: MBMG BULL 85, 1972.}{Deposit:: USGS PP 610, 1968.}