Commodities
PrimaryMercury
Commodity typeM
Deposit
Deposit sizeM
WorkingsUnknown
Orebody formIRREGULAR LENSES
Ore controlBedding Plane Shear Zone In Sandstone. Ore Zone In Upper Levels Of The Mine Is Capped By Shale Unit
Materials
Ore mineralsCinnabar, Mercury, Metacinnabar
GangueCalcite, Chalcedony, Marcasite, Pyrite, Quartz, Siderite
Geology
Host rockSiltstone,Sandstone · Umpqua;Umpqua;Umpqua
StructureOre Zone Is On The East Flank Of A Broad Anticline Striking N 25 E And Dipping 45 Se, Sandstone-Shale Contact
AlterationSilica, Carbonate And Clay Alteration And Impregnation Of Host Rocks
Economic & production
Development statusPast Producer
Production years1887 , 1937 - 1949 , 1951 - 1960
First production1937
Last production1960
Discovery year1868
Identification
Deposit ID10040416
MRDS IDM055187
Alternate namesBonanza
RegionNA
Data scoreB
Coordinates43.39401, -123.18451
References
SCHUTTE, C. N., 1938, QUICKSILVER IN OREGON: ODGMI BULL. 4, P. 130-137BAILEY, E. H., USGS, PERSONAL FILES.BROOKS, H. C., 1963 , QUICKSILVER IN OREGON: ODGMI, BULL. 55 , 223 P.BROWN, R. E. AND WATERS, A. C., 1951 , QUICKSILVER DEPOSITS OF THE BONANZA - NONPAREIL DISTRICT, DOUGLAS COUNTY, OREGON: USGS BULL. 955 - F.U.S. GEOLOGICAL SURVEY BULLETIN 850, 1934, P. 40-41.