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Homa Bay County, Kenyai
Regional Level Types
Homa Bay CountyCounty
KenyaCountry

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PhotosMapsSearch
05155600017272298312277.jpg
Homa Mountain Carbonatite Complex from Lake Victoria

Homa Mountain complex, Homa Bay County, Kenya
05155600017272298312277.jpg
Homa Mountain Carbonatite Complex from Lake Victoria

Homa Mountain complex, Homa Bay County, Kenya
05155600017272298312277.jpg
Homa Mountain Carbonatite Complex from Lake Victoria

Homa Mountain complex, Homa Bay County, Kenya
Type:
Largest Settlements:
PlacePopulation
Homa Bay40,319 (2013)
Oyugis10,116 (2018)
Kendu Bay434 (2018)
Mindat Locality ID:
301367
Long-form identifier:
mindat:1:2:301367:3
GUID (UUID V4):
0
Other Languages:
French:
Homa Bay , Kenya
German:
Homa Bay County, Kenia
Simplified Chinese:
霍馬灣郡, 肯尼亚
Spanish:
Condado de Homa Bay, Kenia
Swahili:
Wilaya ya Homa Bay, Kenya
Cebuano:
Homa Bay , Kenya
Dutch:
Homa Bay, Kenia
Farsi/Persian:
شهرستان خلیج هوما, کنیا
Japanese:
ホマ・ベイ , ケニア
Korean:
호마베이 현, 케냐
Minnan / Hokkien-Taiwanese:
Homa Bay Kūn, Kenya
Norwegian:
Homa Bay fylke, Kenya
Polish:
Wilaya ya Homa Bay, Kenia
Swedish:
Homa Bay , Kenya
Urdu:
ہوما بے کاؤنٹی, کینیا
Vietnamese:
Homa Bay, Kenya


One of the 47 counties of Kenya. This county was part of the former Nyanza province prior to 2013.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

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

38 valid minerals. 1 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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
Localities: Reported from at least 12 localities in this region.
ⓘ Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Localities: Reported from at least 6 localities in this region.
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Albite var. Andesine
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
References:
ⓘ Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
References:
ⓘ 'Alkali Feldspar'
ⓘ 'Alkali pyroxene'
References:
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
ⓘ Andradite
Formula: Ca3Fe3+2(SiO4)3
ⓘ Andradite var. Melanite
Formula: Ca3Fe3+2(SiO4)3
ⓘ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Localities: Reported from at least 12 localities in this region.
ⓘ Arfvedsonite
Formula: [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ 'Barkevikite'
References:
ⓘ Baryte
Formula: BaSO4
Localities: Reported from at least 6 localities in this region.
ⓘ 'Bastnäsite'
Formula: (Ce/Nd/Y/REE)(CO3)F
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Localities: Reported from at least 11 localities in this region.
ⓘ Calcite
Formula: CaCO3
Localities: Reported from at least 8 localities in this region.
ⓘ Cancrinite
Formula: (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Eudialyte
Formula: Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
ⓘ Eugsterite (TL)
Formula: Na4Ca(SO4)3 · 2H2O
Type Locality:
ⓘ 'Fayalite-Forsterite Series'
ⓘ 'Feldspar Group'
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
ⓘ Fluorapatite var. Carbonate-rich Fluorapatite
Formula: Ca5(PO4,CO3)3(F,O)
ⓘ Fluorite
Formula: CaF2
ⓘ Forsterite
Formula: Mg2(SiO4)
ⓘ 'Glass'
References:
ⓘ Götzenite
Formula: NaCa6Ti(Si2O7)2OF3
ⓘ Hematite
Formula: Fe2O3
ⓘ Hydroxylapatite
Formula: Ca5(PO4)3(OH)
ⓘ Hydroxylapatite var. Carbonate-rich Hydroxylapatite
Formula: Ca5(PO4,CO3)3(OH,O)
References:
ⓘ 'K Feldspar'
ⓘ 'Limonite'
References:
ⓘ Magnesio-arfvedsonite
Formula: {Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 11 localities in this region.
ⓘ 'Melilite Group'
Formula: Ca2M(XSiO7)
ⓘ 'Mica Group'
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ 'Monazite Group'
Formula: REE(PO4)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Natrolite
Formula: Na2Al2Si3O10 · 2H2O
ⓘ Nepheline
Formula: Na3K(Al4Si4O16)
Localities: Reported from at least 10 localities in this region.
ⓘ Nosean
Formula: Na8(Al6Si6O24)(SO4) · H2O
ⓘ Nyerereite
Formula: Na2Ca(CO3)2
References:
ⓘ Orthoclase
Formula: K(AlSi3O8)
ⓘ Perovskite
Formula: CaTiO3
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Localities: Reported from at least 7 localities in this region.
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ 'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
Localities: Reported from at least 7 localities in this region.
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
Localities: Reported from at least 6 localities in this region.
ⓘ Quartz
Formula: SiO2
ⓘ 'Rhombohedral Carbonate'
Formula: (Ca/Mg/Fe/Mn etc)CO3
ⓘ Richterite
Formula: Na(NaCa)Mg5(Si8O22)(OH)2
ⓘ Sanidine
Formula: K(AlSi3O8)
ⓘ Siderite
Formula: FeCO3
ⓘ Sodalite
Formula: Na4(Si3Al3)O12Cl
References:
ⓘ 'Synchysite'
Formula: Ca(Ce/Nd/Y/REE)(CO3)2F
ⓘ Titanite
Formula: CaTi(SiO4)O
ⓘ Wollastonite
Formula: Ca3(Si3O9)
Localities: Reported from at least 6 localities in this region.
ⓘ 'Zeolite Group'

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘ'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘPerovskite4.CC.30CaTiO3
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
ⓘAnkerite5.AB.10Ca(Fe2+,Mg)(CO3)2
ⓘNyerereite5.AC.10Na2Ca(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
ⓘEugsterite (TL)7.CD.25Na4Ca(SO4)3 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite
var. Carbonate-rich Fluorapatite
8.BN.05Ca5(PO4,CO3)3(F,O)
ⓘHydroxylapatite
var. Carbonate-rich Hydroxylapatite
8.BN.05Ca5(PO4,CO3)3(OH,O)
ⓘFluorapatite8.BN.05Ca5(PO4)3F
ⓘHydroxylapatite8.BN.05Ca5(PO4)3(OH)
Group 9 - Silicates
ⓘForsterite9.AC.05Mg2(SiO4)
ⓘAndradite9.AD.25Ca3Fe3+2(SiO4)3
ⓘvar. Melanite9.AD.25Ca3Fe3+2(SiO4)3
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘGötzenite9.BE.22NaCa6Ti(Si2O7)2OF3
ⓘEudialyte9.CO.10Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘDiopside9.DA.15CaMgSi2O6
ⓘAegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
ⓘAegirine9.DA.25NaFe3+Si2O6
ⓘRichterite9.DE.20Na(NaCa)Mg5(Si8O22)(OH)2
ⓘArfvedsonite9.DE.25[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
ⓘMagnesio-arfvedsonite9.DE.25{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
ⓘWollastonite9.DG.05Ca3(Si3O9)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘOrthoclase9.FA.30K(AlSi3O8)
ⓘSanidine9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Andesine9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
ⓘvar. Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
ⓘCancrinite9.FB.05(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
ⓘNosean9.FB.10Na8(Al6Si6O24)(SO4) · H2O
ⓘSodalite9.FB.10Na4(Si3Al3)O12Cl
ⓘ'Zeolite Group'9.G0.
ⓘNatrolite9.GA.05Na2Al2Si3O10 · 2H2O
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
Unclassified
ⓘ'Alkali Feldspar'-
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Bastnäsite'-(Ce/Nd/Y/REE)(CO3)F
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Feldspar Group'-
ⓘ'Limonite'-
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Barkevikite'-
ⓘ'Mica Group'-
ⓘ'Synchysite'-Ca(Ce/Nd/Y/REE)(CO3)2F
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Glass'-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)
ⓘ'Melilite Group'-Ca2M(XSiO7)
ⓘ'Alkali pyroxene'-
ⓘ'Rhombohedral Carbonate'-(Ca/Mg/Fe/Mn etc)CO3

List of minerals for each chemical element

HHydrogen
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ AnalcimeNa(AlSi2O6) · H2O
Hⓘ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Hⓘ Hydroxylapatite var. Carbonate-rich HydroxylapatiteCa5(PO4,CO3)3(OH,O)
Hⓘ EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Hⓘ EugsteriteNa4Ca(SO4)3 · 2H2O
Hⓘ HydroxylapatiteCa5(PO4)3(OH)
Hⓘ Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ NoseanNa8(Al6Si6O24)(SO4) · H2O
Hⓘ NatroliteNa2Al2Si3O10 · 2H2O
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Hⓘ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
Cⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Cⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Cⓘ CalciteCaCO3
Cⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Cⓘ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Cⓘ Hydroxylapatite var. Carbonate-rich HydroxylapatiteCa5(PO4,CO3)3(OH,O)
Cⓘ NyerereiteNa2Ca(CO3)2
Cⓘ SideriteFeCO3
Cⓘ SynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
Cⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
OOxygen
Oⓘ AegirineNaFe3+Si2O6
Oⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ AnalcimeNa(AlSi2O6) · H2O
Oⓘ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Oⓘ AndraditeCa3Fe23+(SiO4)3
Oⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Oⓘ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ BaryteBaSO4
Oⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Oⓘ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Oⓘ Hydroxylapatite var. Carbonate-rich HydroxylapatiteCa5(PO4,CO3)3(OH,O)
Oⓘ DiopsideCaMgSi2O6
Oⓘ EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Oⓘ EugsteriteNa4Ca(SO4)3 · 2H2O
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ ForsteriteMg2(SiO4)
Oⓘ GötzeniteNaCa6Ti(Si2O7)2OF3
Oⓘ HematiteFe2O3
Oⓘ HydroxylapatiteCa5(PO4)3(OH)
Oⓘ Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MicroclineK(AlSi3O8)
Oⓘ Monazite GroupREE(PO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ NoseanNa8(Al6Si6O24)(SO4) · H2O
Oⓘ NyerereiteNa2Ca(CO3)2
Oⓘ NatroliteNa2Al2Si3O10 · 2H2O
Oⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ PerovskiteCaTiO3
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
Oⓘ QuartzSiO2
Oⓘ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Oⓘ SanidineK(AlSi3O8)
Oⓘ SideriteFeCO3
Oⓘ SodaliteNa4(Si3Al3)O12Cl
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ WollastoniteCa3(Si3O9)
Oⓘ Andradite var. MelaniteCa3Fe23+(SiO4)3
Oⓘ SynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
Oⓘ Fayalite-Forsterite Series
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Pyroxene GroupADSi2O6
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Oⓘ Melilite GroupCa2M(XSiO7)
Oⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ FluoriteCaF2
Fⓘ GötzeniteNaCa6Ti(Si2O7)2OF3
Fⓘ SynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AegirineNaFe3+Si2O6
Naⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ AnalcimeNa(AlSi2O6) · H2O
Naⓘ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Naⓘ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Naⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Naⓘ EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Naⓘ EugsteriteNa4Ca(SO4)3 · 2H2O
Naⓘ GötzeniteNaCa6Ti(Si2O7)2OF3
Naⓘ Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Naⓘ NephelineNa3K(Al4Si4O16)
Naⓘ NoseanNa8(Al6Si6O24)(SO4) · H2O
Naⓘ NyerereiteNa2Ca(CO3)2
Naⓘ NatroliteNa2Al2Si3O10 · 2H2O
Naⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Naⓘ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Naⓘ SodaliteNa4(Si3Al3)O12Cl
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mgⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ ForsteriteMg2(SiO4)
Mgⓘ Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Mgⓘ Fayalite-Forsterite Series
Mgⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
AlAluminium
Alⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ AnalcimeNa(AlSi2O6) · H2O
Alⓘ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ NephelineNa3K(Al4Si4O16)
Alⓘ NoseanNa8(Al6Si6O24)(SO4) · H2O
Alⓘ NatroliteNa2Al2Si3O10 · 2H2O
Alⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Alⓘ OrthoclaseK(AlSi3O8)
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ SanidineK(AlSi3O8)
Alⓘ SodaliteNa4(Si3Al3)O12Cl
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ AegirineNaFe3+Si2O6
Siⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ AnalcimeNa(AlSi2O6) · H2O
Siⓘ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Siⓘ AndraditeCa3Fe23+(SiO4)3
Siⓘ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Siⓘ DiopsideCaMgSi2O6
Siⓘ EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Siⓘ ForsteriteMg2(SiO4)
Siⓘ GötzeniteNaCa6Ti(Si2O7)2OF3
Siⓘ Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ NoseanNa8(Al6Si6O24)(SO4) · H2O
Siⓘ NatroliteNa2Al2Si3O10 · 2H2O
Siⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Siⓘ SanidineK(AlSi3O8)
Siⓘ SodaliteNa4(Si3Al3)O12Cl
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ WollastoniteCa3(Si3O9)
Siⓘ Andradite var. MelaniteCa3Fe23+(SiO4)3
Siⓘ Fayalite-Forsterite Series
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Pyroxene GroupADSi2O6
Siⓘ Melilite GroupCa2M(XSiO7)
PPhosphorus
Pⓘ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Pⓘ Hydroxylapatite var. Carbonate-rich HydroxylapatiteCa5(PO4,CO3)3(OH,O)
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ HydroxylapatiteCa5(PO4)3(OH)
Pⓘ Monazite GroupREE(PO4)
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ BaryteBaSO4
Sⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Sⓘ EugsteriteNa4Ca(SO4)3 · 2H2O
Sⓘ NoseanNa8(Al6Si6O24)(SO4) · H2O
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Clⓘ SodaliteNa4(Si3Al3)O12Cl
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ⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ NephelineNa3K(Al4Si4O16)
Kⓘ OrthoclaseK(AlSi3O8)
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Kⓘ SanidineK(AlSi3O8)
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Caⓘ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Caⓘ AndraditeCa3Fe23+(SiO4)3
Caⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ CalciteCaCO3
Caⓘ Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Caⓘ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Caⓘ Hydroxylapatite var. Carbonate-rich HydroxylapatiteCa5(PO4,CO3)3(OH,O)
Caⓘ DiopsideCaMgSi2O6
Caⓘ EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Caⓘ EugsteriteNa4Ca(SO4)3 · 2H2O
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ FluoriteCaF2
Caⓘ GötzeniteNaCa6Ti(Si2O7)2OF3
Caⓘ HydroxylapatiteCa5(PO4)3(OH)
Caⓘ NyerereiteNa2Ca(CO3)2
Caⓘ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Caⓘ PerovskiteCaTiO3
Caⓘ RichteriteNa(NaCa)Mg5(Si8O22)(OH)2
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ WollastoniteCa3(Si3O9)
Caⓘ Andradite var. MelaniteCa3Fe23+(SiO4)3
Caⓘ SynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Caⓘ Melilite GroupCa2M(XSiO7)
Caⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ GötzeniteNaCa6Ti(Si2O7)2OF3
Tiⓘ PerovskiteCaTiO3
Tiⓘ TitaniteCaTi(SiO4)O
MnManganese
Mnⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
FeIron
Feⓘ AegirineNaFe3+Si2O6
Feⓘ Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Feⓘ AndraditeCa3Fe23+(SiO4)3
Feⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Feⓘ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
Feⓘ HematiteFe2O3
Feⓘ Magnesio-arfvedsonite{Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ SideriteFeCO3
Feⓘ Andradite var. MelaniteCa3Fe23+(SiO4)3
Feⓘ Fayalite-Forsterite Series
Feⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
YYttrium
Yⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Yⓘ SynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
ZrZirconium
Zrⓘ EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
NbNiobium
Nbⓘ Pyrochlore GroupA2Nb2(O,OH)6Z
BaBarium
Baⓘ BaryteBaSO4
CeCerium
Ceⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Ceⓘ SynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
NdNeodymium
Ndⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Ndⓘ SynchysiteCa(Ce/Nd/Y/REE)(CO3)2F

Geochronology

Mineralization age: Cenozoic : 18.3 ± 0.5 Ma to 1.3 Ma

Important note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Phanerozoic
 Cenozoic
  Quaternary
   Pleistocene
ⓘ Biotite (youngest age)1.3 MaHoma Mountain complex, Homa Bay County, Kenya
    
   
  Neogene
   Miocene
ⓘ Phonolite (youngest age)10.6 ± 0.3 MaWasaki Peninsula and Ruri Hills Phonolites, Homa Bay County, Kenya
ⓘ Biotite (oldest age)12 MaHoma Mountain complex, Homa Bay County, Kenya
ⓘ Søvite12.7 ± 0.6 MaSokolo Point Carbonatite, Wasaki Peninsula Carbonatites, Homa Bay County, Kenya
ⓘ Phonolite (oldest age)18.3 ± 0.5 MaNyamaji Volcanic Complex, Homa Bay County, Kenya

Fossils

There are 47 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences47
Youngest Fossil Listed0.01 Ma (Pleistocene)
Oldest Fossil Listed23.0 Ma (Miocene)
Stratigraphic Units
UnitNo. OccurrencesAge
Rusinga - Hiwegi - Fossil Bed220.44 - 15.97 Ma (Miocene)
Hiwegi - Fossil Bed1120.44 - 15.97 Ma (Miocene)
Hiwegi220.44 - 15.97 Ma (Miocene)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Mammalia
class
Animalia : Chordata : Mammalia20.44 - 15.97 Ma
Miocene
Testudinidae
family
Animalia : Chordata : Reptilia : Testudines : Testudinidae23.03 - 15.97 Ma
Miocene
Crocodylus
genus
Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae : Crocodylus23.03 - 15.97 Ma
Miocene
Euthecodon
genus
Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae : Euthecodon23.03 - 15.97 Ma
Miocene
Creodonta
order
Animalia : Chordata : Mammalia : Creodonta23.03 - 15.97 Ma
Miocene
Rodentia
order
Animalia : Chordata : Mammalia : Rodentia23.03 - 15.97 Ma
Miocene
Anthracotheriidae
family
Animalia : Chordata : Mammalia : Artiodactyla : Anthracotheriidae23.03 - 15.97 Ma
Miocene
Tragulidae
family
Animalia : Chordata : Mammalia : Artiodactyla : Tragulidae23.03 - 15.97 Ma
Miocene
Chalicotheriidae
family
Animalia : Chordata : Mammalia : Perissodactyla : Chalicotheriidae23.03 - 15.97 Ma
Miocene
Rhinocerotidae
family
Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae23.03 - 15.97 Ma
Miocene
Proboscidea
order
Animalia : Chordata : Mammalia : Proboscidea23.03 - 15.97 Ma
Miocene
Pythonidae
family
Animalia : Chordata : Reptilia : Squamata : Pythonidae23.03 - 15.97 Ma
Miocene
Pterodon africanus
species
Animalia : Chordata : Mammalia : Hyaenodontidae : Pterodon : Pterodon africanus20.44 - 15.97 Ma
Miocene
Protopterus
genus
Animalia : Chordata : Osteichthyes : Ceratodontiformes : Lepidosirenidae : Protopterus23.03 - 15.97 Ma
Miocene
Metapterodon kaiseri
species
Animalia : Chordata : Mammalia : Hyaenodontidae : Pterodon : Metapterodon kaiseri20.44 - 15.97 Ma
Miocene
Isohyaenodon zadoki
species
Animalia : Chordata : Mammalia : Hyaenodonta : Hyainailouridae : Isohyaenodon : Isohyaenodon zadoki20.44 - 15.97 Ma
Miocene
Kulutherium kenyensis
species
Animalia : Chordata : Mammalia : Artiodactyla : Hippopotamidae : Kulutherium : Kulutherium kenyensis23.03 - 15.97 Ma
Miocene
Lates
genus
Animalia : Chordata : Actinopterygii : Perciformes : Latidae : Lates23.03 - 15.97 Ma
Miocene
Polypterus
genus
Animalia : Chordata : Actinopterygii : Polypteriformes : Polypteridae : Polypterus23.03 - 15.97 Ma
Miocene
Canthumeryx sirtensis
species
Animalia : Chordata : Mammalia : Artiodactyla : Giraffidae : Canthumeryx : Canthumeryx sirtensis20.44 - 15.97 Ma
Miocene
Proconsul africanus
species
Animalia : Chordata : Mammalia : Primates : Proconsulidae : Proconsul : Proconsul africanus20.44 - 15.97 Ma
Miocene
Brochuchus pigotti
species
Animalia : Chordata : Reptilia : Crocodylia : Crocodylidae : Brochuchus : Brochuchus pigotti23.03 - 15.97 Ma
Miocene
Orycteropus crassidens
species
Animalia : Chordata : Mammalia : Tubulidentata : Orycteropodidae : Orycteropus : Orycteropus crassidens2.588 - 0.0117 Ma
Pleistocene
Myorycteropus africanus
species
Animalia : Chordata : Mammalia : Tubulidentata : Orycteropodidae : Orycteropus : Myorycteropus africanus23.03 - 15.97 Ma
Miocene
Anachalcos mfwangani
species
Animalia : Arthropoda : Insecta : Coleoptera : Scarabaeidae : Anachalcos : Anachalcos mfwangani20.44 - 15.97 Ma
Miocene
Copris leakeyorum
species
Animalia : Arthropoda : Insecta : Coleoptera : Scarabaeidae : Copris : Copris leakeyorum20.44 - 15.97 Ma
Miocene
Metacatharsius rusingae
species
Animalia : Arthropoda : Insecta : Coleoptera : Scarabaeidae : Metacatharsius : Metacatharsius rusingae20.44 - 15.97 Ma
Miocene
Impregnochelys pachytectis
species
Animalia : Chordata : Reptilia : Testudines : Testudinidae : Impregnochelys : Impregnochelys pachytectis20.44 - 15.97 Ma
Miocene
Oecophylla leakeyi
species
Animalia : Arthropoda : Insecta : Hymenoptera : Formicidae : Oecophylla : Oecophylla leakeyi20.44 - 15.97 Ma
Miocene
Kelba quadeemae
species
Animalia : Chordata : Mammalia : Carnivora : Odobenidae : Kelba : Kelba quadeemae20.44 - 15.97 Ma
Miocene
Anasinopa leakeyi
species
Animalia : Chordata : Mammalia : Hyaenodontidae : Anasinopa : Anasinopa leakeyi20.44 - 15.97 Ma
Miocene
Pterodon nyanzae
species
Animalia : Chordata : Mammalia : Hyaenodontidae : Pterodon : Pterodon nyanzae20.44 - 15.97 Ma
Miocene
Leakitherium hiwegi
species
Animalia : Chordata : Mammalia : Hyaenodontidae : Leakitherium : Leakitherium hiwegi20.44 - 15.97 Ma
Miocene
Hyaenodon (Isohyaenodon) andrewsi
species
Animalia : Chordata : Mammalia : Hyaenodonta : Hyaenodontidae : Hyaenodon : Hyaenodon (Isohyaenodon) andrewsi20.44 - 15.97 Ma
Miocene
Hyaenodon (Isohyaenodon) matthewi
species
Animalia : Chordata : Mammalia : Hyaenodonta : Hyaenodontidae : Hyaenodon : Hyaenodon (Isohyaenodon) matthewi20.44 - 15.97 Ma
Miocene
Hyaenodon (Isohyaenodon) pilgrimi
species
Animalia : Chordata : Mammalia : Hyaenodonta : Hyaenodontidae : Hyaenodon : Hyaenodon (Isohyaenodon) pilgrimi20.44 - 15.97 Ma
Miocene
Hecubides euryodon
species
Animalia : Chordata : Mammalia : Carnivora : Amphicyonidae : Cynelos : Hecubides euryodon20.44 - 15.97 Ma
Miocene
Hecubides macrodon
species
Animalia : Chordata : Mammalia : Carnivora : Amphicyonidae : Cynelos : Hecubides macrodon20.44 - 15.97 Ma
Miocene
Kichechia zamanae
species
Animalia : Chordata : Mammalia : Carnivora : Herpestidae : Kichechia : Kichechia zamanae20.44 - 15.97 Ma
Miocene
Pseudaelurus africanus
species
Animalia : Chordata : Mammalia : Carnivora : Felidae : Pseudaelurus : Pseudaelurus africanus20.44 - 15.97 Ma
Miocene
Eubelum rusingaense
species
Animalia : Arthropoda : Malacostraca : Isopoda : Eubelidae : Eubelum : Eubelum rusingaense20.44 - 15.97 Ma
Miocene
Accipiter tachiro
species
Animalia : Chordata : Aves : Accipitriformes : Accipitridae : Accipiter : Accipiter tachiro20.44 - 15.97 Ma
Miocene
Pelusios rusingae
species
Animalia : Chordata : Reptilia : Testudines : Pelomedusidae : Pelusios : Pelusios rusingae20.44 - 15.97 Ma
Miocene
Etheria
genus
Animalia : Mollusca : Bivalvia : Unionida : Etheriidae : Etheria23.03 - 15.97 Ma
Miocene
Fossil LocalitiesClick to show 12 fossil localities

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Homa_Bay_County
Wikidata ID:Q1625834
GeoNames ID:7667665

Localities in this Region

Other Regions, Features and Areas that Intersect

AfricaContinent
African Plate
Kenya
Somali PlateTectonic Plate
Tanzania

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