Mine detail: Una

Previously called 'Little UnaJohn Stevens'

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Location

Lat / long: 47.6587, -121.41564

Resource(M)

Primary: Copper, Silver, Gold
Ore: Chalcopyrite, Malachite
Gangue: Tourmaline
Orebody form: VEIN

Production

Operation type: Unknown
Production size: Small
Development status: Occurrence

Geology

Host rock:Snoqualmie Batholith, Northern Phase;Snoqualmie Batholith, Northern Phase
Host type:Tonalite
Tectonic:Cascade Volcanic Arc

References

MRDSMP00223
DEP10048624
Reference{Deposit:: DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WAHSINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 123.}{Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 59.}{Production:: HUNTTING, 1956}
ReporterPeterson, Jocelyn A.