Mine detail: Helen Shaft

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Location: Eureka County, Nevada, United States, North America
Lat / long: 39.51825, -115.99173
dep_id: 10044800
mrds_id: M232391
Commodity type: metallic
Major mineral: Silver, Gold
Trace mineral: Lead, Copper
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
orebody_fm: STRATABOUND
conc_proc: Oxidation Of Sulfides
ore_ctrl: Fractured, Permeable Zones
Reporter: Kirkham, Richard A.
hrock_unit: Hamburg Dolomite
hrock_type: Dolomite
Structure: Deposits In Hanging Wall Of Ruby Hill Thrust
Year first produced: 1899
dy_ba: <
disc_yr: 1899
References:
  • Deposit:: ROBERTS, ETAL. (1967) GEOLOGY & MINERAL RES. OF EUREKA CO, NV., NEV. BUREAU OF MINES BULL 64
  • Deposit:: US BUREAU OF MINES (ELY) MILS NO 123, REFERNCE NO 3201100088
  • Deposit:: NOLAN T.B. (1962) THE EUREKA MINING DISTRICT, NEVADA, USGS PP. 406.
  • Production:: NOLAN, T.B., 1962
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