Commodities
TertiaryAluminum, Iron, Silica, Titanium
Commodity typeM
Materials
Other materialsGibbsite, Goethite, Quartz
Economic & production
Development statusProducer
First production1932
Discovery year1924
Identification
Deposit ID10256259
Alternate namesKojan Island
RegionAS
Data scoreD
Coordinates1.08458, 104.49971
References
BEMMELEN,ROW. VAN, THE GEOLOGY OFINDONESIA, VOL.2, ECONOMICTHE HAGUE, 1970, P.BRAREWELL,SMITH, 1962; BAUXITE, ALUMINA, ALUMINUM, OVERSEASSURV., MIN. RES. DIV., LONDON, PAPERS 197-198.ECONOMIC GEOL., 1941, VOL.36, NO.6, PP 630-640.