Mine detail: Londonderry Mine

Previously called 'Goldonna Mine'

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Location

Lat / long: 46.47295, -113.24481

Resource(M)

Primary: Silver, Gold
Secondary: Lead, Zinc
Ore: Gold
Gangue: Quartz

Production

Operation type: Unknown
Deposit type: Vein
Production size: Small
Development status: Past Producer

Geology

Host rock:Newland Formation
Host type:Quartzite,Sandstone
Structure:Philipsburg Anticline, Philipsburg Batholith
Alteration processes:Oxidation

References

MRDSDC11431
DEP10019766
Reference{Deposit:: USGS PP 78, P. 259.}{Deposit:: MCGILL, G.E., 1959, GEOLOGIC MAP OF THE NORTHWEST FLANK OF THE FLINT CREEK RANGE, WESTERN MONTANA: MONT. BUREAU OF MINES AND GEOL.}{Deposit:: USGS-USBM MINERAL YEARBOOKS 1913, 1917, 1923, 1925, 1926, 1938.}{Production:: EMMONS, 1913, USGS PROF PAPER 78. USGS-USBM MINERAL YEARBOOKS}
ReporterUnknown, Wise, Kristine K. (Elliott, James E.)