Commodities
PrimaryMercury
Commodity typeM
Deposit
Deposit sizeY
Orebody formLENSOID, PIPE
Ore controlContact Between Green Tuffaceous Sandstone (Caprock) & Grey Sandstone, Or Along Fractures; F2 (Ne System) Fault - N 30 - 40 Deg E, 60 - 80 Deg Nw Or Se.
Materials
Ore mineralsCinnabar
GangueCalcite, Kaolin, Montmorillonite, Quartz, Sulfur
Geology
Host rockSandstone
Associated rockDiabase,Volcanic Ash,Rhyolite,Basalt,Granite
StructureN-S Trending Deep Fissure Tectonicline, Pre-Mineralization Ne-Sw-Trending Faults ( 2+ ); Bradyanticline, Syncline To Ene, Anticline To Wsw Of Deposit Area.
AlterationSilicification, Carbonitization, Argillization Lensoid Or Block Silicified Body Bears Close Positional Relation To Deposit
Economic & production
Development statusPast Producer
Production years1944 - 1945 , 1951 - RECENT
Identification
Deposit ID10098444
MRDS IDM053089
Alternate namesHokuchin
RegionAS
Data scoreB
Coordinates44.31502, 143.34845
References
FUJINARA, T., K. FUTAMASE, 1971 , "ORE DEPOSITS IN THE SHOKOTZU REGION, ABASHIRI PROVINCE, HOKKAIDO," HOKKAIDO GEOL SUR REP NO. 44 P. 1 - 12FUJIWARA, T., K FUTAMESE, 1970 , "ORE DEPOSITS IN THE SHOKOTSU REGION, ABASHORI PROVINCE, HOKKAIDO," HOKKAIDO GEOL SUR REP NO. 43 P. 25 - 36KISHIMOTO, F., 1971 , "ON THE HG ORE DEPOSITS & ORES OF RYUSHODEN MINE, HOKKAIDO," GEOL SUR JAP BULL, VOL 22 NO 4 , P. 161 - 170KUJIRAI, S., J. KONO, "RECENT PROGRESS ON HG EXPLORATION AT RYUSHODEN MINE, HOKKAIDO," MINING GEOLOGY VOL 22 NO 109 P. 19 - 28KUJIRAI, S., 1971 , MINING GEOLOGY