Commodities
SecondaryMercury
TertiaryChromium, Iridium, Osmium
Commodity typeM
Deposit
Deposit typePlacer
Deposit sizeY
Ore controlLayer Of Cinnabar Approx. 10 Cm Thick At Bottom Of Quaternary Unit Of Terrace Clays, Sand Pebbles Approx 4-9 M Thick. Located About 20 M From Present Course Of Uryu River.
Materials
Ore mineralsCinnabar
GangueChromite, Iridosmine, Limonite, Magnetite
Geology
Host rockClay, Mud,Sand and Gravel
Associated rockSerpentinite,Granite
StructureStock Of Trondhjemite (Diam Greater Than 1 Km)
AlterationArgillization Of Plagioclase
Economic & production
Development statusPast Producer
Production years1943 - 1944
Identification
Deposit ID10098448
MRDS IDM053117
RegionAS
Data scoreC
Coordinates43.98168, 142.08182
References
HORI, S., 1953 , "MERCURY DEPOSITS OF JAPAN," GEOL. SUR. JAP. REPORT NO. 154 P. 105-106GEN HEADQU. SUP COMM ALL FORCES, NAT RES DIV, 1947 , "MERCURY RESOURCES OF JAPAN," REP. NO 91HARADA, J, 1943 , "CINNABAR PLACER OF HOROKANAI, ISIKARI," JAP ASS MIN PET ECON GEOL J V 29 NO 4 P 159 - 167HORI, S., 1953 , GEOL SUR JAP BULL