Commodities
PrimaryMercury
Commodity typeM
Deposit
Deposit sizeY
WorkingsSurface/Underground
Orebody formLENSOID
Ore controlKaolinitized Zones Located Along An Echelon Shear Zones Conjugate To The Nanbu Fault. Also, Hg Localized Along Hanging Wall Of Kitabu Fault.
Materials
Ore mineralsCinnabar
GangueCalcite, Dolomite, Illite, Kaolin, Marcasite, Montmorillonite, Pyrite, Stibnite
Geology
Host rockDacite
Associated rockDacite
StructureBasement Anticline W/N-S Axis, E-W-Trending, Near-Vertical Faults Also Shear Zones Roughly Parallel To Faults. Ns-Trending Breccia Veins
AlterationPropylitization; Argillization, Carbonitization, Silicification
Economic & production
Development statusPast Producer
Production years1939 - PRESENT
Identification
Deposit ID10040095
MRDS IDM053122
RegionAS
Data scoreB
Coordinates43.6692, 143.16514
References
SUGIMOTO, R., ET.AL., 1972 , "MERCURY ORE DEPOSITS OF THE ITOMUKA DISTRICT, ABASHIRI PROV. HOKKAIDO," REPORT NO. 5-2 OF THE INVESTIGATIONS FOR PROMOTION AND DEVELOPMENT OF ESSENTIAL MINERALS, HOKKAIDO GEOL. SUR. REP NO 45USHISAWA, N., 1968 , "MATERIALS OF COMM FOR RESEARCH OF AU-AG & HG DEPOSITS CONCERNING METAMORPHISM OF THE COUNTRY ROCKS OF ITOMUKA DEPOSITS," JAPANESE MINING GEOLOGY ASSOC., HOKKAIDO BRANCHYOSHIRO, Y, 1967 , "STUDY ON THE GEOLOGY & ORE DEPOSITS OF ITOMUKA DISTRICT," (MANUSCRIPT)TSUKADA, F., 1959 , "PECULIARITIES OF RESEARCH AT THE ITOMUKA MINE," JAPAN MINING MAGAZINE, VOL 75 , NO. 855SUGIMOTO ET AL