Commodities
PrimarySilver, Gold, Antimony, Lead
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
Ore controlSeven Quartz Veins Were Mined. The Ivanhoe Vein Is 3.5-4.5 Feet Thick And Strikes North-Northwest And Dips 60w. Silver Ore Was Richer Near The Surface; Veins Intersected At A Depth Of 1560 Ft Had Average Ag Content Of Less Than 1 Oz/Ton (Umpleby, 1911).
Materials
Ore mineralsCerargyrite, Galena, Gold, Pyrite, Silver, Stephanite, Tetrahedrite
GangueQuartz
Geology
Host rockSilt,Phyllite,Argillite
Associated rockDacite
StructureSediments Of The Anarchist Group Were Deposited Along An Active Continental Margin.
Economic & production
Development statusPast Producer
Identification
Deposit ID10055996
MRDS IDSP00232
Alternate namesIvanhoe Group
RegionNA
Data scoreB
Coordinates48.87484, -119.57506
References
DERKEY, R.E.; JOSEPH, N.L.; LASMANIS, R., 1990, METAL MINES OF WASHINGTON-PRELIMINARY REPORT: STATE OF WASHINGTON, DEPARTMENT OF NATURAL RESOURCES, DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, 577 P.HUNTTING, M. T., 1956, INVENTORY OF WASHINGTON MINERALS-PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, 428 P.; V. 2, 67 P.MOEN, W.S., 1976, SILVER OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES BULLETIN 69, 188 P.RINEHART, C.D.; FOX, K.F., JR., 1972, GEOLOGY AND MINERAL DEPOSITS OF THE LOOMIS QUADRANGLE, OKANOGAN COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 64, 124 P., 3 PL.UMPLEBY, J.B., 1911, PART I.-- GEOLOGY AND ORE DEPOSITS OF THE MYERS CREEK MINING DISTRICT; PART II. -- GEOLOGY AND ORE DEPOSITS OF THE OROVILLE-NIGHTHAWK MINING DISTRICT: WASHINGTON GEOLOGICAL SURVEY BULLETIN 5, 111 P.