Description
W.J. Westerling
Commodities
PrimaryMercury
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnknown
Orebody formIRREGULAR, LENS LIKE, FRACTURE FILLINGS
Ore controlOre Shoots At Intersections Of Nne And Ene Trending Fault Zones
Materials
Ore mineralsCinnabar, Limonite, Marcasite, Pyrite
GangueCalcite, Chalcedony, Clay, Gilsonite
Geology
Host rockVolcanic Breccia (Agglomerate),Andesite · Clarno Formation;Clarno Formation;Clarno Formation
Associated rockBasalt
StructureJohnson Creek Fault Zone - Ene - Trending, Steeply Dipping, Northerly-Trending Faults That Intersect Johnson Creek Fault Zone Are Locally Mineralized.
AlterationWall Rock Bleached Along Both Walls Of Fault. Kaolinization
Economic & production
Development statusPast Producer
First production1930
Discovery year1929
Identification
Deposit ID10042805
MRDS IDM060843
Alternate namesJohnson Creek, International Mercury, New Amity, Paulsen and Saylor, Homestake Mercury
RegionNA
Data scoreB
Coordinates44.34956, -120.32193
References
BROOKS, H.C., 1963, QUICKSILVER IN OREGON: OREGON DEPT. GEOL. AND MIN. IND. BULL. 55, P. 146-148SWINNEY, C.M., WATERS, A.C., MILLER, G.P., 1968, RECONNAISANCE GEOLOGIC MAP OF THE LOOKOUT MOUNTAIN QUADRANGLE, CROOK AND WHEELER COUNTIES OREGON: USGS MISC. GEOL. INV. MAP I-543GILLULY, JAMES, REED, J.C., AND PARK, C.F. JR., 1933, SOME MINING DISTRICTS OF EASTERN OREGON: USGS BULL. 846-A, P. 120MERCURY IN OREGON, 1965 , USBM IC 8252 .1929 GILLULY, J., BULL. 846-BROOKS, H.C., 1963, P. 146