Mine detail: Grand Central

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Location: King County, Washington, United States, North America
Lat / long: 47.7062, -121.43064
dep_id: 10095806
mrds_id: MP00219
Commodity type: metallic
Major mineral: Antimony, Gold
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Occurrence
ore: Pyrite, Stibnite
gangue: Calcite, Quartz
orebody_fm: VEIN
work_type: Underground
model: 180: Simple Sb (veins, pods, etc)
Reporter: Peterson, Jocelyn A.
hrock_unit: Swauk Formation, Silver Pass Volcanic Member
hrock_type: Andesite
tectonic: Cascade Volcanic Arc
prod_yrs: 1908
References:
  • Deposit:: DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 116.
  • Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 17.
  • Production:: HUNTTING, 1956
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