Mine detail: Boston Claims

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Location: Skagit County, Washington, United States, North America
Lat / long: 48.50038, -121.05593
dep_id: 10088858
mrds_id: M700366
Commodity type: metallic
Major mineral: Lead, Silver, Zinc
Minor mineral: Gold
Trace mineral: Copper, Arsenic
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Chalcopyrite, Galena, Pyrite, Sphalerite
gangue: Calcite, Grossularite, Quartz
orebody_fm: VEIN
work_type: Underground
model: 85: Polymetallic veins
Reporter: Lawson, William A. (Evarts, Russell C.), Peterson, Jocelyn A.
hrock_unit: Eldorado Orthogneiss
hrock_type: Gneiss
Structure: Tight Folding Along North-Northwest Trending Axes, Some Faulting Across The Vein.
tectonic: Active Margin (Leading Edge Of North American Plate)
yr_lst_prd: 1895
References:
  • 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).
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