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Fort Portal, Kabarole, Western Region, Ugandai
Regional Level Types
Fort Portal- not defined -
KabaroleDistrict
Western RegionRegion
UgandaCountry

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06140400017272009071340.jpg
Phlogopite

Fort Portal, Kabarole, Western Region, Uganda
06140400017272009071340.jpg
Phlogopite

Fort Portal, Kabarole, Western Region, Uganda
06140400017272009071340.jpg
Phlogopite

Fort Portal, Kabarole, Western Region, Uganda
Latitude & Longitude (WGS84):
0° 41' 59'' North , 30° 15' 0'' East
Latitude & Longitude (decimal):
0.70000,30.25000
GRN:
N01E22
Köppen climate type:
Af : Tropical rainforest climate
Nearest Settlements:
PlacePopulationDistance
Fort Portal42,670 (2016)5.1km
Bundibugyo16,919 (2016)20.6km
Kyenjojo18,600 (2016)41.9km
Margherita5,109 (2012)50.7km
Mindat Locality ID:
3273
Long-form identifier:
mindat:1:2:3273:8
GUID (UUID V4):
0


A quaternary volcanic field containing approximately 50 vents that erupted carbonatite. Monogenetic tuff cones mark the vents in two ENE-trending belts.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

24 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:

ⓘ 'Alkali Feldspar'
ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
ⓘ 'Aloisiite'
Formula: Na2(Ca,Fe,Mg)5Si2O10 · 2H2O
ⓘ Anatase
Formula: TiO2
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ Baryte
Formula: BaSO4
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Calcite
Formula: CaCO3
Habit: Tabular
Description: In the groundmass carbonatite lava; recrystallized in weathered lava zones and, in vesicles in lava and rare dike rocks.
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Fayalite-Forsterite Series'
ⓘ Gehlenite
Formula: Ca2Al[AlSiO7]
ⓘ Hydroxylapatite
Formula: Ca5(PO4)3(OH)
ⓘ 'Hypersthene'
Formula: (Mg,Fe)SiO3
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Jennite
Formula: Ca9(Si3O9)2(OH)8 · 8H2O
Description: Occurs in vesicles in lava and rare dike rocks.
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
ⓘ 'Melilite Group'
Formula: Ca2M(XSiO7)
ⓘ 'Monazite Group'
Formula: REE(PO4)
ⓘ Monticellite
Formula: CaMg(SiO4)
ⓘ 'Natropyrochlore'
ⓘ 'Oxynatropyrochlore'
Formula: (Na,Ca,U)2Nb2O6(O,OH)
Description: Atencioet al. (2010) comments that the analysis nr 3 in Hogarth & Horne (1989) of a urnapyrochlore (of Hogarth 1977) is oxynatropyrochlore.
ⓘ Periclase
Formula: MgO
ⓘ Perovskite
Formula: CaTiO3
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ 'Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)'
Formula: (Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
ⓘ Pyrrhotite
Formula: Fe1-xS
Description: As blebs in phenocrysts or xenocrysts surrounded by olivine, clinopyroxene, phlogopite and titanomagnetite.
ⓘ Quartz
Formula: SiO2
ⓘ Reinhardbraunsite
Formula: Ca5(SiO4)2(OH,F)2
ⓘ Spinel
Formula: MgAl2O4
Description: Rims magnetite.
ⓘ Spurrite
Formula: Ca5(SiO4)2(CO3)
ⓘ Thaumasite
Formula: Ca3(SO4)[Si(OH)6](CO3) · 12H2O
Description: Occurs in vesicles in lava and rare dike rocks.
ⓘ Titanite
Formula: CaTi(SiO4)O
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘ'Pyrochlore Group
var. Uranpyrochlore (of Hogarth 1977)'		4.00.(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
ⓘPericlase4.AB.25MgO
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘMagnetite
var. Titanium-bearing Magnetite		4.BB.05Fe2+(Fe3+,Ti)2O4
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘPerovskite4.CC.30CaTiO3
ⓘQuartz4.DA.05SiO2
ⓘAnatase4.DD.05TiO2
ⓘ'Oxynatropyrochlore'4.DH.15(Na,Ca,U)2Nb2O6(O,OH)
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
ⓘThaumasite7.DG.15Ca3(SO4)[Si(OH)6](CO3) · 12H2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘHydroxylapatite8.BN.05Ca5(PO4)3(OH)
Group 9 - Silicates
ⓘMonticellite9.AC.10CaMg(SiO4)
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘZircon9.AD.30Zr(SiO4)
ⓘReinhardbraunsite9.AF.45Ca5(SiO4)2(OH,F)2
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘSpurrite9.AH.15Ca5(SiO4)2(CO3)
ⓘGehlenite9.BB.10Ca2Al[AlSiO7]
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘDiopside9.DA.15CaMgSi2O6
ⓘJennite9.DG.20Ca9(Si3O9)2(OH)8 · 8H2O
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Unclassified
ⓘ'Alkali Feldspar'-
ⓘ'Aloisiite'-Na2(Ca,Fe,Mg)5Si2O10 · 2H2O
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Hypersthene'-(Mg,Fe)SiO3
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)
ⓘ'Melilite Group'-Ca2M(XSiO7)
ⓘ'Natropyrochlore'-

List of minerals for each chemical element

HHydrogen
Hⓘ AloisiiteNa2(Ca,Fe,Mg)5Si2O10 · 2H2O
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ HydroxylapatiteCa5(PO4)3(OH)
Hⓘ JenniteCa9(Si3O9)2(OH)8 · 8H2O
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ ReinhardbraunsiteCa5(SiO4)2(OH,F)2
Hⓘ ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
Hⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Hⓘ Oxynatropyrochlore(Na,Ca,U)2Nb2O6(O,OH)
CCarbon
Cⓘ CalciteCaCO3
Cⓘ SpurriteCa5(SiO4)2(CO3)
Cⓘ ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
OOxygen
Oⓘ AloisiiteNa2(Ca,Fe,Mg)5Si2O10 · 2H2O
Oⓘ AnataseTiO2
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ BaryteBaSO4
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ DiopsideCaMgSi2O6
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ GehleniteCa2Al[AlSiO7]
Oⓘ HydroxylapatiteCa5(PO4)3(OH)
Oⓘ Hypersthene(Mg,Fe)SiO3
Oⓘ IlmeniteFe2+TiO3
Oⓘ JenniteCa9(Si3O9)2(OH)8 · 8H2O
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ Monazite GroupREE(PO4)
Oⓘ MonticelliteCaMg(SiO4)
Oⓘ PericlaseMgO
Oⓘ PerovskiteCaTiO3
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ ReinhardbraunsiteCa5(SiO4)2(OH,F)2
Oⓘ SpinelMgAl2O4
Oⓘ SpurriteCa5(SiO4)2(CO3)
Oⓘ ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Oⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
Oⓘ ZirconZr(SiO4)
Oⓘ Fayalite-Forsterite Series
Oⓘ Pyroxene GroupADSi2O6
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Oⓘ Melilite GroupCa2M(XSiO7)
Oⓘ Oxynatropyrochlore(Na,Ca,U)2Nb2O6(O,OH)
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ ReinhardbraunsiteCa5(SiO4)2(OH,F)2
Fⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AloisiiteNa2(Ca,Fe,Mg)5Si2O10 · 2H2O
Naⓘ Oxynatropyrochlore(Na,Ca,U)2Nb2O6(O,OH)
MgMagnesium
Mgⓘ AloisiiteNa2(Ca,Fe,Mg)5Si2O10 · 2H2O
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ Hypersthene(Mg,Fe)SiO3
Mgⓘ MonticelliteCaMg(SiO4)
Mgⓘ PericlaseMgO
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ SpinelMgAl2O4
Mgⓘ Fayalite-Forsterite Series
AlAluminium
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ GehleniteCa2Al[AlSiO7]
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ SpinelMgAl2O4
SiSilicon
Siⓘ AloisiiteNa2(Ca,Fe,Mg)5Si2O10 · 2H2O
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ DiopsideCaMgSi2O6
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ GehleniteCa2Al[AlSiO7]
Siⓘ Hypersthene(Mg,Fe)SiO3
Siⓘ JenniteCa9(Si3O9)2(OH)8 · 8H2O
Siⓘ MonticelliteCaMg(SiO4)
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ ReinhardbraunsiteCa5(SiO4)2(OH,F)2
Siⓘ SpurriteCa5(SiO4)2(CO3)
Siⓘ ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ ZirconZr(SiO4)
Siⓘ Fayalite-Forsterite Series
Siⓘ Pyroxene GroupADSi2O6
Siⓘ Melilite GroupCa2M(XSiO7)
PPhosphorus
Pⓘ HydroxylapatiteCa5(PO4)3(OH)
Pⓘ Monazite GroupREE(PO4)
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ BaryteBaSO4
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Caⓘ AloisiiteNa2(Ca,Fe,Mg)5Si2O10 · 2H2O
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ GehleniteCa2Al[AlSiO7]
Caⓘ HydroxylapatiteCa5(PO4)3(OH)
Caⓘ JenniteCa9(Si3O9)2(OH)8 · 8H2O
Caⓘ MonticelliteCaMg(SiO4)
Caⓘ PerovskiteCaTiO3
Caⓘ ReinhardbraunsiteCa5(SiO4)2(OH,F)2
Caⓘ SpurriteCa5(SiO4)2(CO3)
Caⓘ ThaumasiteCa3(SO4)[Si(OH)6](CO3) · 12H2O
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Caⓘ Melilite GroupCa2M(XSiO7)
Caⓘ Oxynatropyrochlore(Na,Ca,U)2Nb2O6(O,OH)
TiTitanium
Tiⓘ AnataseTiO2
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ PerovskiteCaTiO3
Tiⓘ TitaniteCaTi(SiO4)O
Tiⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Tiⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
FeIron
Feⓘ AloisiiteNa2(Ca,Fe,Mg)5Si2O10 · 2H2O
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ Hypersthene(Mg,Fe)SiO3
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Feⓘ Fayalite-Forsterite Series
ZrZirconium
Zrⓘ ZirconZr(SiO4)
NbNiobium
Nbⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
Nbⓘ Oxynatropyrochlore(Na,Ca,U)2Nb2O6(O,OH)
BaBarium
Baⓘ BaryteBaSO4
CeCerium
Ceⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
TaTantalum
Taⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
UUranium
Uⓘ Pyrochlore Group var. Uranpyrochlore (of Hogarth 1977)(Ca,U,Ce)2(Nb,Ti,Ta)2O6(OH,F)
Uⓘ Oxynatropyrochlore(Na,Ca,U)2Nb2O6(O,OH)

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Fort_Portal
Wikidata ID:Q500107

Localities in this Region

Uganda

Other Regions, Features and Areas containing this locality

AfricaContinent
African Plate
Somali PlateTectonic Plate
Uganda

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

Barker, Daniel S., Nixon, Peter H. (1989) High-Ca, low-alkali carbonatite volcanism at Fort Portal, Uganda. Contributions to Mineralogy and Petrology, 103 (2) 166-177 doi:10.1007/bf00378502
Bailey, Ken, Lloyd, Felicity, Kearns, Stuart, Stoppa, Francesco, Eby, Nelson, Woolley, Alan (2005) Melilitite at Fort Portal, Uganda: Another dimension to the carbonate volcanism. Lithos, 85 (1) 15-25 doi:10.1016/j.lithos.2005.03.019
Eby, G. Nelson, Lloyd, Felicity E., Woolley, Alan R. (2009) Geochemistry and petrogenesis of the Fort Portal, Uganda, extrusive carbonatite. Lithos, 113 (3) 785-800 doi:10.1016/j.lithos.2009.07.010
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