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Kigom, Jos Plateau, Plateau, Nigeriai
Regional Level Types
KigomComplex
Jos PlateauPlateau
PlateauState
NigeriaCountry

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04551840017272288067461.jpg
Kigom Molybdenite Deposit

Kigom, Jos Plateau, Plateau, Nigeria
08946630017272288062352.jpg
Cassiterite mining site

Alluvial cassiterite occurrence, west of Terema, Kigom, Jos Plateau, Plateau, Nigeria
01337300017272288075021.jpg
Cassiterite bearing gravel layer

Alluvial cassiterite occurrence, west of Terema, Kigom, Jos Plateau, Plateau, Nigeria
04551840017272288067461.jpg
Kigom Molybdenite Deposit

Kigom, Jos Plateau, Plateau, Nigeria
08946630017272288062352.jpg
Cassiterite mining site

Alluvial cassiterite occurrence, west of Terema, Kigom, Jos Plateau, Plateau, Nigeria
01337300017272288075021.jpg
Cassiterite bearing gravel layer

Alluvial cassiterite occurrence, west of Terema, Kigom, Jos Plateau, Plateau, Nigeria
04551840017272288067461.jpg
Kigom Molybdenite Deposit

Kigom, Jos Plateau, Plateau, Nigeria
08946630017272288062352.jpg
Cassiterite mining site

Alluvial cassiterite occurrence, west of Terema, Kigom, Jos Plateau, Plateau, Nigeria
Latitude & Longitude (WGS84):
9° 45' 50'' North , 8° 37' 31'' East
Latitude & Longitude (decimal):
9.76389,8.62528
GRN:
N07E06
Type:
Complex
Köppen climate type:
Aw : Tropical savanna, wet
Mindat Locality ID:
193838
Long-form identifier:
mindat:1:2:193838:1
GUID (UUID V4):
0


A small pluton (6 km across) of alkali amphibole bearing and peralkaline granites belonging to the Younger Granites suite of Nigeria. Molybdenum mining took place intermittently since the 1940's.

The KGM Complex, located ∼26 km southwest of JBK, forms a ∼36 km2 circular intrusion. The earliest arfvedsonite granite occurs as a 3.2 km-long roof pendant within the dominant riebeckite granite, defining the complex’s ring structure. Three textural variants are distinguished by arfvedsonite-riebeckite crystal habits. Contacts are leucocratic and equigranular. The cycle concludes with aegirine microgranite intruding the western hills, flooring a depression with scree-obscured contacts.
The KGM Hills contains minor sub-economic pyrochlore in riebeckite granite. Mineralization manifests in three principal types: (1) silver-rich galena veins (>200 oz Ag/ton) in northern greisen, that follow an aplite dyke of Younger Granite origin, pinching and swelling to a maximum width of 8 in. over at least 70 yd in strike length; (2) molybdenite deposits at the granite's northern margin within poikilitic riebeckite facies. The molybdenum mineralization exhibits multiple styles within potassic-altered arfvedsonite-riebeckite granite, with vertical zonation from a Mo-bearing zone (7–10 cm wide) downward to a K-altered zone with Fe-oxide overprinting. and (3) a cassiterite-bearing quartz vein following a basaltic dike orientation 1.2 km north, with an abandoned mine shaft marking the most extensive Mo deposit.


Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

21 valid minerals.

Rock Types Recorded


Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Aegirine
Formula: NaFe3+Si2O6
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Arfvedsonite
Formula: NaNa2(Fe2+4Fe3+)Si8O22(OH)2
ⓘ Astrophyllite
Formula: K2NaFe2+7Ti2[Si4O12]2O2(OH)4F
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Cassiterite
Formula: SnO2
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Fayalite
Formula: Fe2+2(SiO4)
ⓘ Fluorite
Formula: CaF2
ⓘ Galena
Formula: PbS
ⓘ Genthelvite
Formula: Be3Zn4(SiO4)3S
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Molybdenite
Formula: MoS2
ⓘ Orthoclase
Formula: K(AlSi3O8)
ⓘ Pyrite
Formula: FeS2
ⓘ 'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
ⓘ Quartz
Formula: SiO2
ⓘ Riebeckite
Formula: ◻Na2(Fe2+3Fe3+2)Si8O22(OH)2
ⓘ Sphalerite
Formula: ZnS
ⓘ Thorite
Formula: Th(SiO4)
ⓘ Titanite
Formula: CaTiO(SiO4)
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
ⓘ Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘBornite2.BA.15Cu5FeS4
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘ'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
ⓘCassiterite4.DB.05SnO2
Group 9 - Silicates
ⓘFayalite9.AC.05Fe2+2(SiO4)
ⓘThorite9.AD.30Th(SiO4)
ⓘZircon9.AD.30Zr(SiO4)
ⓘTitanite9.AG.15CaTiO(SiO4)
ⓘAegirine9.DA.25NaFe3+Si2O6
ⓘAstrophyllite9.DC.05K2NaFe2+7Ti2[Si4O12]2O2(OH)4F
ⓘArfvedsonite9.DE.25NaNa2(Fe2+4Fe3+)Si8O22(OH)2
ⓘRiebeckite9.DE.25◻Na2(Fe2+3Fe3+2)Si8O22(OH)2
ⓘOrthoclase9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘGenthelvite9.FB.10Be3Zn4(SiO4)3S
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
Hⓘ ArfvedsoniteNaNa2(Fe42+Fe3+)Si8O22(OH)2
Hⓘ AstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Hⓘ Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
BeBeryllium
Beⓘ GenthelviteBe3Zn4(SiO4)3S
BBoron
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
OOxygen
Oⓘ AegirineNaFe3+Si2O6
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ ArfvedsoniteNaNa2(Fe42+Fe3+)Si8O22(OH)2
Oⓘ AstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CassiteriteSnO2
Oⓘ FayaliteFe22+(SiO4)
Oⓘ GenthelviteBe3Zn4(SiO4)3S
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Oⓘ QuartzSiO2
Oⓘ Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
Oⓘ ThoriteTh(SiO4)
Oⓘ TitaniteCaTiO(SiO4)
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ ZirconZr(SiO4)
FFluorine
Fⓘ AstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluoriteCaF2
NaSodium
Naⓘ AegirineNaFe3+Si2O6
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ ArfvedsoniteNaNa2(Fe42+Fe3+)Si8O22(OH)2
Naⓘ AstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
Naⓘ Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ OrthoclaseK(AlSi3O8)
SiSilicon
Siⓘ AegirineNaFe3+Si2O6
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ ArfvedsoniteNaNa2(Fe42+Fe3+)Si8O22(OH)2
Siⓘ AstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ FayaliteFe22+(SiO4)
Siⓘ GenthelviteBe3Zn4(SiO4)3S
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ QuartzSiO2
Siⓘ Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
Siⓘ ThoriteTh(SiO4)
Siⓘ TitaniteCaTiO(SiO4)
Siⓘ ZirconZr(SiO4)
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ GenthelviteBe3Zn4(SiO4)3S
Sⓘ MolybdeniteMoS2
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
KPotassium
Kⓘ AstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ OrthoclaseK(AlSi3O8)
CaCalcium
Caⓘ FluoriteCaF2
Caⓘ TitaniteCaTiO(SiO4)
TiTitanium
Tiⓘ AstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ TitaniteCaTiO(SiO4)
FeIron
Feⓘ AegirineNaFe3+Si2O6
Feⓘ ArfvedsoniteNaNa2(Fe42+Fe3+)Si8O22(OH)2
Feⓘ AstrophylliteK2NaFe72+Ti2[Si4O12]2O2(OH)4F
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ FayaliteFe22+(SiO4)
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ Riebeckite◻Na2(Fe32+Fe23+)Si8O22(OH)2
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
ZnZinc
Znⓘ GenthelviteBe3Zn4(SiO4)3S
Znⓘ SphaleriteZnS
ZrZirconium
Zrⓘ ZirconZr(SiO4)
NbNiobium
Nbⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
MoMolybdenum
Moⓘ MolybdeniteMoS2
SnTin
Snⓘ CassiteriteSnO2
PbLead
Pbⓘ GalenaPbS
ThThorium
Thⓘ ThoriteTh(SiO4)

Localities in this Region

Nigeria

Other Regions, Features and Areas containing this locality

AfricaContinent
African PlateTectonic Plate
West AfricaUN Subregion

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

OMADA, J.I., MARTINS, R.F. & ABAA, S.I. (2003): The Kigom peralkaline granite pluton of the Nigerian Younger Granite suite.- Global Journal of Geol. Science, Nigeria, 1, 1-11.
[1]Kamaunji, Vandi Dlama; Ahmed, Hafizullah Abba; Wang, Lian-Xun; Sanislav, Ioan V.; Girei, Musa Bala; Zhu, Yu-Xiang; Liang, Xin-xin; Chen, Xin; Sami, Mabrouk (2026) Progressive mantle melting and crust–mantle–fluid hybridization in fluorite-bearing Sn–Nb ± Mo-rich alkaline granites of the Jos Plateau, central Nigeria. Ore Geology Reviews, 195. p.107405. doi:10.1016/j.oregeorev.2026.107405
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