Mine detail: Hamilton Claims

Previously called 'Iron Mountain'

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Location: Skagit County, Washington, United States, North America
Lat / long: 48.49842, -121.97235
dep_id: 10088857
mrds_id: M700363
Commodity type: metallic and nonmetallic
Major mineral: Iron
Minor mineral: Manganese
Trace mineral: Aluminum, Phosphorus-Phosphates, Sulfur
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Hematite, Magnetite
gangue: Quartz
orebody_fm: LENSES AND BEDS
work_type: Surface/Underground
alteration: Some Alteration To Chlorite
ore_ctrl: Along Bedding Planes
Reporter: Lawson, William A. (Evarts, Russell C.), Peterson, Jocelyn A.
hrock_unit: Pre-Chuckanut
hrock_type: Schist
tectonic: Active Margin (Leading Edge North American Plate)
disc_yr: 1881
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. 200-201.
  • Deposit:: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 27, P. 95-101.
  • Production:: HUNTTING, P. 200-201
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