Mine detail: Iias Prospect

Previously called 'Williams'

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Location

Lat / long:

47.44843, -121.01035

Resource(M)

Primary:	Copper, Gold, Silver
Tertiary:	Iron
Ore:	Chalcopyrite, Magnetite, Pyrrhotite
Orebody form:	PODS

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host rock:	Ingalls Tectonic Complex;
Host type:	Volcanic Rock (Aphanitic)
Tectonic:	Cascade Volcanic Arc
Alteration processes:	Host Rocks Are Altered

References

MRDS	M025869
DEP	10036902
Reference	{Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 60.}{Deposit:: FRIZZELL, V.A., JR., TABOR, R.W., BOOTH, D.B., ORT, K.M., AND WAITT, R.B., JR., 1984, PRELIMINARY GEOLOGIC MAP OF THE SNOQUALMIE PASS 1:100,000 QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 84-693, SCALE 1:100,000.}
Reporter	Andrews, David H. (Lawson, William A.), Peterson, Jocelyn A.