Commodities
SecondaryManganese, Mercury
Commodity typeM
Deposit
Deposit sizeY
Ore controlAnticlinal-Saddle Structure; Mn-Deposit Is Most Abundant In The Sw Area Of Structure, Where Fold Is Overturned. Also, Faults Split The Deposit Into 5 Ore Bodies. Cinnabar Fills The Fault Shear Zone, And Small Fractures Within The Mn Deposit.
Materials
Ore mineralsBraunite, Cinnabar, Hausmanite
GangueQuartz
Geology
Host rockSlate
Associated rockDiabase,Serpentinite
Structure2 Types Of Faults, One Is N -S W/50 - 100 M Of Offset, One E-W W/10 - 20 M Offset. Also A Nearly Horizontal Fault Has Formed Directly Beneath The Deposit.
AlterationHorizontal Fault Has Been Filled With Graphite
Economic & production
Development statusPast Producer
Identification
Deposit ID10103765
MRDS IDM053029
Alternate namesKochi Registration # 71
RegionAS
Data scoreC
Coordinates33.79873, 133.98219
References
KISHIMOTO, F., 1962 , "MERCURY DEPOSITS OF SHIKOKU, JAPAN", BULL GEOL SUR OF JAPAN, VOL 13 , NO 3 PP 333 - 51OFFICE OF THE GEOL SURVEY OF JAPAN, 1954 , JAPAN MINING MAGAZINE, BI-CYOSHIMURA, T., 1952 , MANGANESE DEPOSITS OF JAPAN.KOBAYASHI, J., 1950 , REGIONAL GEOLOGY OF JAPAN MAGAZINE, SHIKOKU REGION.KISHIMOTO, F., 1962 , JOUR GEOL SUR JAP