Mine detail: Boston Claims

Previously called ''

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Location

Lat / long:

48.50038, -121.05593

Resource(M)

Primary:	Lead, Silver, Zinc
Secondary:	Gold
Tertiary:	Copper, Arsenic
Ore:	Chalcopyrite, Galena, Pyrite, Sphalerite
Gangue:	Calcite, Grossularite, Quartz
Orebody form:	VEIN

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Last production ended:	1895

Geology

Host rock:	Eldorado Orthogneiss
Host type:	Gneiss
Structure:	Tight Folding Along North-Northwest Trending Axes, Some Faulting Across The Vein.
Tectonic:	Active Margin (Leading Edge Of North American Plate)

References

MRDS	M700366
DEP	10088858
Reference	{Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 231.}{Deposit:: MOEN, W.S., 1976, SILVER OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES BULLETIN 69, P. 161-162.}{Deposit:: TABOR, R.W., HARGERUD, R.A., BOOTH, D.B., AND BROWN, E.B., 199X, PRELIMINARY GEOLOGIC MAP OF THE MOUNT BAKER 30 X 60 MINUTE QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN -FILE REPORT 9X-XXX, SCALE 1:100,000 (IN PREPARATION IN 1993).}
Reporter	Lawson, William A. (Evarts, Russell C.), Peterson, Jocelyn A.