Commodities
PrimaryPlatinum
TertiaryAluminum, Titanium, Metal, Iron
Commodity typeM
Deposit
Deposit typePlacer
Deposit sizeS
Ore controlSources Believed To Be Anorthosites, But Nj Page Suspects Magnetite - Ilmenite Horizons.
Materials
Ore mineralsIlmenite, Magnetite
Geology
Host rockSand and Gravel
Associated rockMafic Intrusive Rock,Gabbro,Troctolite,Anorthosite
StructureStratiform Complex
Economic & production
Development statusPast Producer
First production1928
Discovery year1926
Identification
Deposit ID10038316
MRDS IDM045648
Alternate namesColony Complex
RegionAF
Data scoreB
Coordinates8.33435, -13.16527
References
WELLS, 1962, GEOL. SURV. DEPT. SIERRA LEONE SHORT PAPER, NO. 9, 115 P.POLLETT, J.D., 1951, COLON. GEOL. MIN. RESOURCES, V. 2, NO. 1, P. 3-28POLLETT, 1952, 1931; JUNNER, 1930; JUNNER AND HARWOOD, 1930; WELLS AND BAKER, 1956; BAKER, 1961; DIXEY, 1922BRIDEN, HENTHORN, REX, 1971, EAR. PLAT. SCI. LETTERS 12 P. 385-391.1920 DIREXPL GEOLOGICAL SURVEY OF SIERRA LEONE.1930 GEOLMAP GEOLOGICAL SURVEY OF SIERRA LEONE.1969 ART FORD HAS ROCKS AND THIN SECTIONS.MERTIE (1969)