Commodities
PrimaryGold
SecondaryCopper, Lead, Zinc, Silver
TertiaryAntimony, Arsenic, Mercury, Manganese
Commodity typeM
Deposit
Model150: Epithermal vein, Comstock
Deposit sizeN
Orebody formELONGATED ORE BODIES WITHIN BLOCKY STRUCTURES
Ore controlContact Between Elliptical Rhyolite Body And Ul'Berikan Andesite And Associated Faults And Dikes.
Materials
Ore mineralsArgentite, Barite, Chalcopyrite, Cinnabar, Electrum, Galena, Gold, Polybasite, Pyrargyrite, Pyrite, Sphalerite
GangueApatite, Calcite, Chalcedony, Dolomite, Epidote, Hematite, Quartz, Rhodochrosite, Rhodonite, Sericite, Zircon
Geology
Host rockRhyolite,Dacite,Andesite · Ul'Berikan
StructureOkhotsk-Chukotka Volcanic Belt., Ne Striking Faults; An Elliptical Rhyolite Body Elongated Northwards And Confined To A Gentle Sw Dipping Fault.
AlterationHydrothermal: 1) Propylitization (Chlorite-Carbonate And Carbonate-Chlorite Facies) Especially In The Ne Striking Fault Zone 2) The Formation Of Quartz-Adularia Rocks With Kaolin Near Ore Bodies 3) The Development Of Hydromica-Quartz Rocks, Characteristic Of The Periphery Of The Ore Field. 4) Argillization Manifested Along Ne Striking Faults. The First 3 Types Of Alteration Are Considered To Be Pre-Ore, And The Argillized Rocks To Be Post-Ore.
Economic & production
Development statusOccurrence
Identification
Deposit ID10085915
MRDS IDW701764
RegionEU
Data scoreB
Coordinates61.13146, 141.71443
References
SMIRNOV V.I., 1977 ORE DEPOSITS OF THE USSR, V. III, P. 9-13.BABKIN, P.V. AND SIDOROV A.A. 1972, GOLD-SILVER DEPOSITS OF THE SOVIET NORTHEAST. RAZV. OKHR. NEDR, NO.10, PP. 4-11. (IN RUSSIAN).