Mine detail: Johnsburg Claims

Previously called 'Prospectors Friend4 Patented Claims: JohnsburgLookoutTarcoounion'

Location:	Skagit County, Washington, United States, North America
Lat / long:	48.4801, -121.10288
dep_id:	10047989
mrds_id:	M700371
Commodity type:	metallic
Major mineral:	Lead, Silver
Minor mineral:	Gold
Trace mineral:	Zinc, Copper
Operation type:	Unknown
Production size:	Small ammount of material produced
Development status:	Past Producer
ore:	Anglesite, Chalcopyrite, Galena, Malachite, Sphalerite
gangue:	Calcite
orebody_fm:	LENS IN SHEAR ZONE
work_type:	Surface/Underground
model:	85: Polymetallic veins
alteration:	Silicified And Leached Schist
ore_ctrl:	Shear Zone
Reporter:	Lawson, William A. (Evarts, Russell C.), Peterson, Jocelyn A.
hrock_unit:	Cascade River Schist
hrock_type:	Schist
Structure:	Tight Folding Along North-Northwest Trending Axes, Shear Zone
tectonic:	Active Margin (Leading Edge Of North American Plate)
References:	Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, P. 231-232. Deposit:: MOEN, W.S., 1976, SILVER OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES BULLETIN 69, P. 162. Deposit:: PURDY, C.P., JR., 1952, DIRECTORY OF WASHINGTON MINING OPERATIONS, 1952: WASHINGTON DIVISION OF MINES AND GEOLOGY INFORMATION CIRCULAR 20, P. 36. (SEE ALSO IC 16, P. 10; IC 18, P. 10; IC 19, P. 33) Deposit:: TABOR, R.W., BOOTH, D.B., VANCE, J.A., FORD, A.B., AND ORT, M.H., 1988, PRELIMINARY GEOLOGIC MAP OF THE SAUK RIVER 30 BY 60 MINUTE QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 88-692, SCALE 1:100,000. 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. 331. Production:: HUNTTING (1956)