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Mount Kenya, Meru County, Kenyai
Regional Level Types
Mount KenyaMountain
Meru CountyCounty
KenyaCountry

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Latitude & Longitude (WGS84):
0° 10' 0'' South , 37° 17' 59'' East
Latitude & Longitude (decimal):
Age:
4.5 Ma
Geologic Time:
Dating method:
Rb-Sr whole rock
Reference for age:
Rock, N.M.S. (1976) The comparative strontium isotopic composition of alkaline rocks: new data from Southern Portugal and East Africa. Contributions to Mineralogy and Petrology, 56, 205–228. doi.org/10.1007/BF00399605
Nearest Settlements:
PlacePopulationDistance
Naro Moru9,018 (2018)31.4km
Nanyuki36,142 (2018)31.6km
Kerugoya15,287 (2017)37.0km
Chuka9,347 (2013)42.7km
Embu34,922 (2018)45.0km
Mindat Locality ID:
224165
Long-form identifier:
mindat:1:2:224165:7
GUID (UUID V4):
a0698dfc-fd68-474f-b6e6-c891ec39634b


Mount Kenya straddles Meru County, Nyeri County and the northernmost portion of Kirinyaga County.

It has been located as Meru County on Mindat due to the National Park being largely in Meru County, see https://www.mindat.org/loc-224164.html

Mount Kenya, which reaches a summit of 5200 m, is a central volcano located to the east of the East African Rift.

The main eruptive phase of the Mount Kenya volcanics is of Pliocene to Pleistocene age (Baker et al., 1971; Rock, 1976; Price et al., 1985) and overlies tufts and basalts of Miocene-Pliocene age which rest on a Precambrian basement of gneisses and schists (Baker, 1967).

The main eruptive phase is composed of basalts, phonolites, kenytes and trachytes with the summit consisting of a complex intrusive plug of syenite and phonolite.

The most recent activity on Mount Kenya occurred as satellite eruptions, which built pyroclastic cones and extrusive domes of basalt and trachyte.

These later eruptives, which were also extensively emplaced as dykes, are believed to be of Pleistocene age.

Erosion of the summit by glaciers which are still active has extensively exposed the central core of the volcano.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


17 valid minerals.

Rock Types Recorded

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Aegirine
Formula: NaFe3+Si2O6
References:
Aegirine-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
References:
Aenigmatite
Formula: Na4[Fe2+10Ti2]O4[Si12O36]
Albite
Formula: Na(AlSi3O8)
Albite var. Andesine
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
References:
Albite var. Anorthoclase
Formula: (Na,K)AlSi3O8
References:
Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
References:
'Alkali Feldspar'
References:
'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
References:
Analcime
Formula: Na(AlSi2O6) · H2O
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
References:
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
References:
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Calcite
Formula: CaCO3
'Clinopyroxene Subgroup'
Fayalite
Formula: Fe2+2SiO4
References:
'Fayalite-Forsterite Series'
References:
'Feldspar Group'
References:
'Feldspar Group var. Perthite'
References:
'Glass'
'Iddingsite'
Formula: MgO · Fe2O3 · 3SiO2 · 4H2O
Magnetite
Formula: Fe2+Fe3+2O4
References:
Nepheline
Formula: Na3K(Al4Si4O16)
References:
'Pyroxene Group'
Formula: ADSi2O6
References:
Quartz
Formula: SiO2
References:
Riebeckite
Formula: ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
References:
Sanidine
Formula: K(AlSi3O8)
Scolecite
Formula: CaAl2Si3O10 · 3H2O
Sodalite
Formula: Na4(Si3Al3)O12Cl
References:
'Sodium Amphibole Subgroup'
Formula: An(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
'Sodium-Calcium Amphibole Subgroup'
Formula: An(NaCa)(Z2+5-mZ3+m)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2
Spinel
Formula: MgAl2O4
References:
Thomsonite-Ca
Formula: NaCa2[Al5Si5O20] · 6H2O
'Zeolite Group'
References:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Spinel4.BB.05MgAl2O4
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Fayalite9.AC.05Fe2+2SiO4
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Aegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
Aegirine9.DA.25NaFe3+Si2O6
Riebeckite9.DE.25◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
Aenigmatite9.DH.40Na4[Fe2+10Ti2]O4[Si12O36]
Nepheline9.FA.05Na3K(Al4Si4O16)
Sanidine9.FA.30K(AlSi3O8)
Albite
var. Anorthoclase
9.FA.35(Na,K)AlSi3O8
var. Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
var. Andesine9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
9.FA.35Na(AlSi3O8)
Sodalite9.FB.10Na4(Si3Al3)O12Cl
'Zeolite Group'9.G0.
Scolecite9.GA.05CaAl2Si3O10 · 3H2O
Thomsonite-Ca9.GA.10NaCa2[Al5Si5O20] · 6H2O
Analcime9.GB.05Na(AlSi2O6) · H2O
Unclassified
'Alkali Feldspar'-
'Fayalite-Forsterite Series'-
'Sodium Amphibole Subgroup'-An(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Glass'-
'Pyroxene Group'-ADSi2O6
'Feldspar Group
var. Perthite'
-
'Clinopyroxene Subgroup'-
'Iddingsite'-MgO · Fe2O3 · 3SiO2 · 4H2O
'Feldspar Group'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Sodium-Calcium Amphibole Subgroup'-An(NaCa)(Z2+5-mZ3+m)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2

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 BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
H ScoleciteCaAl2Si3O10 · 3H2O
H Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
H IddingsiteMgO · Fe2O3 · 3SiO2 · 4H2O
H ApatiteCa5(PO4)3(Cl/F/OH)
H Sodium Amphibole SubgroupAn(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
H Sodium-Calcium Amphibole SubgroupAn(NaCa)(Z2+5-mZm3+)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2
CCarbon
C CalciteCaCO3
OOxygen
O AegirineNaFe3+Si2O6
O Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
O AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
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 Albite var. Anorthoclase(Na,K)AlSi3O8
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O CalciteCaCO3
O FayaliteFe22+SiO4
O MagnetiteFe2+Fe23+O4
O NephelineNa3K(Al4Si4O16)
O Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
O QuartzSiO2
O Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
O SanidineK(AlSi3O8)
O ScoleciteCaAl2Si3O10 · 3H2O
O SodaliteNa4(Si3Al3)O12Cl
O SpinelMgAl2O4
O Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
O IddingsiteMgO · Fe2O3 · 3SiO2 · 4H2O
O Pyroxene GroupADSi2O6
O ApatiteCa5(PO4)3(Cl/F/OH)
O Sodium Amphibole SubgroupAn(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
O Sodium-Calcium Amphibole SubgroupAn(NaCa)(Z2+5-mZm3+)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2
FFluorine
F Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F ApatiteCa5(PO4)3(Cl/F/OH)
F Sodium Amphibole SubgroupAn(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
F Sodium-Calcium Amphibole SubgroupAn(NaCa)(Z2+5-mZm3+)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2
NaSodium
Na AegirineNaFe3+Si2O6
Na Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Na AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Na AlbiteNa(AlSi3O8)
Na AnalcimeNa(AlSi2O6) · H2O
Na Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Na Albite var. Anorthoclase(Na,K)AlSi3O8
Na NephelineNa3K(Al4Si4O16)
Na Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Na Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Na SodaliteNa4(Si3Al3)O12Cl
Na Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Na Sodium Amphibole SubgroupAn(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
Na Sodium-Calcium Amphibole SubgroupAn(NaCa)(Z2+5-mZm3+)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2
MgMagnesium
Mg Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg SpinelMgAl2O4
Mg IddingsiteMgO · Fe2O3 · 3SiO2 · 4H2O
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 Albite var. Anorthoclase(Na,K)AlSi3O8
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al NephelineNa3K(Al4Si4O16)
Al Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Al SanidineK(AlSi3O8)
Al ScoleciteCaAl2Si3O10 · 3H2O
Al SodaliteNa4(Si3Al3)O12Cl
Al SpinelMgAl2O4
Al Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Al Sodium Amphibole SubgroupAn(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
Al Sodium-Calcium Amphibole SubgroupAn(NaCa)(Z2+5-mZm3+)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2
SiSilicon
Si AegirineNaFe3+Si2O6
Si Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Si AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
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 Albite var. Anorthoclase(Na,K)AlSi3O8
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si FayaliteFe22+SiO4
Si NephelineNa3K(Al4Si4O16)
Si Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Si QuartzSiO2
Si Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Si SanidineK(AlSi3O8)
Si ScoleciteCaAl2Si3O10 · 3H2O
Si SodaliteNa4(Si3Al3)O12Cl
Si Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Si IddingsiteMgO · Fe2O3 · 3SiO2 · 4H2O
Si Pyroxene GroupADSi2O6
Si Sodium Amphibole SubgroupAn(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
Si Sodium-Calcium Amphibole SubgroupAn(NaCa)(Z2+5-mZm3+)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Cl Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Cl SodaliteNa4(Si3Al3)O12Cl
Cl ApatiteCa5(PO4)3(Cl/F/OH)
Cl Sodium Amphibole SubgroupAn(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2
Cl Sodium-Calcium Amphibole SubgroupAn(NaCa)(Z2+5-mZm3+)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2
KPotassium
K Albite var. Anorthoclase(Na,K)AlSi3O8
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K NephelineNa3K(Al4Si4O16)
K SanidineK(AlSi3O8)
CaCalcium
Ca Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Ca Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca CalciteCaCO3
Ca Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Ca ScoleciteCaAl2Si3O10 · 3H2O
Ca Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca Sodium-Calcium Amphibole SubgroupAn(NaCa)(Z2+5-mZm3+)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2
TiTitanium
Ti AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
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
FeIron
Fe AegirineNaFe3+Si2O6
Fe Aegirine-augite(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Fe AenigmatiteNa4[Fe102+Ti2]O4[Si12O36]
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe FayaliteFe22+SiO4
Fe MagnetiteFe2+Fe23+O4
Fe Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Fe IddingsiteMgO · Fe2O3 · 3SiO2 · 4H2O

Geochronology

Mineralization age: Pliocene : 3.1 Ma to 2.64 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
  Neogene
   Pliocene
ⓘ Nepheline-syenite2.64 Ma
ⓘ Phonolite3.1 Ma

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Mount_Kenya
Wikidata ID:Q172070

Other Regions, Features and Areas containing this locality

Africa
Kenya
Somali PlateTectonic Plate

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

 
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