Mount Kenya, Meru County, Kenyai
Regional Level Types | |
---|---|
Mount Kenya | Mountain |
Meru County | County |
Kenya | Country |
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Latitude & Longitude (WGS84):
0° 10' 0'' South , 37° 17' 59'' East
Latitude & Longitude (decimal):
Type:
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
Köppen climate type:
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 ElementsMineral 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 DiagramDetailed Mineral List:
ⓘ Aegirine Formula: NaFe3+Si2O6 References: |
ⓘ Aegirine-augite Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6 References: |
ⓘ Aenigmatite Formula: Na4[Fe2+10Ti2]O4[Si12O36] References: |
ⓘ 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' References: |
ⓘ '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 | |||
---|---|---|---|
ⓘ | Spinel | 4.BB.05 | MgAl2O4 |
ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
ⓘ | Quartz | 4.DA.05 | SiO2 |
Group 5 - Nitrates and Carbonates | |||
ⓘ | Calcite | 5.AB.05 | CaCO3 |
Group 9 - Silicates | |||
ⓘ | Fayalite | 9.AC.05 | Fe2+2SiO4 |
ⓘ | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
ⓘ | Aegirine-augite | 9.DA.20 | (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6 |
ⓘ | Aegirine | 9.DA.25 | NaFe3+Si2O6 |
ⓘ | Riebeckite | 9.DE.25 | ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2 |
ⓘ | Aenigmatite | 9.DH.40 | Na4[Fe2+10Ti2]O4[Si12O36] |
ⓘ | Nepheline | 9.FA.05 | Na3K(Al4Si4O16) |
ⓘ | Sanidine | 9.FA.30 | K(AlSi3O8) |
ⓘ | Albite var. Anorthoclase | 9.FA.35 | (Na,K)AlSi3O8 |
ⓘ | var. Oligoclase | 9.FA.35 | (Na,Ca)[Al(Si,Al)Si2O8] |
ⓘ | var. Andesine | 9.FA.35 | (Na,Ca)[Al(Si,Al)Si2O8] |
ⓘ | 9.FA.35 | Na(AlSi3O8) | |
ⓘ | Sodalite | 9.FB.10 | Na4(Si3Al3)O12Cl |
ⓘ | 'Zeolite Group' | 9.G0. | |
ⓘ | Scolecite | 9.GA.05 | CaAl2Si3O10 · 3H2O |
ⓘ | Thomsonite-Ca | 9.GA.10 | NaCa2[Al5Si5O20] · 6H2O |
ⓘ | Analcime | 9.GB.05 | Na(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
H | Hydrogen | |
---|---|---|
H | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
H | ⓘ Analcime | Na(AlSi2O6) · H2O |
H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
H | ⓘ Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
H | ⓘ Scolecite | CaAl2Si3O10 · 3H2O |
H | ⓘ Thomsonite-Ca | NaCa2[Al5Si5O20] · 6H2O |
H | ⓘ Iddingsite | MgO · Fe2O3 · 3SiO2 · 4H2O |
H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
H | ⓘ Sodium Amphibole Subgroup | An(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2 |
H | ⓘ Sodium-Calcium Amphibole Subgroup | An(NaCa)(Z2+5-mZm3+)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2 |
C | Carbon | |
C | ⓘ Calcite | CaCO3 |
O | Oxygen | |
O | ⓘ Aegirine | NaFe3+Si2O6 |
O | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
O | ⓘ Aenigmatite | Na4[Fe102+Ti2]O4[Si12O36] |
O | ⓘ Albite | Na(AlSi3O8) |
O | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
O | ⓘ Analcime | Na(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 | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
O | ⓘ Calcite | CaCO3 |
O | ⓘ Fayalite | Fe22+SiO4 |
O | ⓘ Magnetite | Fe2+Fe23+O4 |
O | ⓘ Nepheline | Na3K(Al4Si4O16) |
O | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
O | ⓘ Quartz | SiO2 |
O | ⓘ Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
O | ⓘ Sanidine | K(AlSi3O8) |
O | ⓘ Scolecite | CaAl2Si3O10 · 3H2O |
O | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
O | ⓘ Spinel | MgAl2O4 |
O | ⓘ Thomsonite-Ca | NaCa2[Al5Si5O20] · 6H2O |
O | ⓘ Iddingsite | MgO · Fe2O3 · 3SiO2 · 4H2O |
O | ⓘ Pyroxene Group | ADSi2O6 |
O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
O | ⓘ Sodium Amphibole Subgroup | An(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2 |
O | ⓘ Sodium-Calcium Amphibole Subgroup | An(NaCa)(Z2+5-mZm3+)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2 |
F | Fluorine | |
F | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
F | ⓘ Sodium Amphibole Subgroup | An(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2 |
F | ⓘ Sodium-Calcium Amphibole Subgroup | An(NaCa)(Z2+5-mZm3+)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2 |
Na | Sodium | |
Na | ⓘ Aegirine | NaFe3+Si2O6 |
Na | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
Na | ⓘ Aenigmatite | Na4[Fe102+Ti2]O4[Si12O36] |
Na | ⓘ Albite | Na(AlSi3O8) |
Na | ⓘ Analcime | Na(AlSi2O6) · H2O |
Na | ⓘ Albite var. Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
Na | ⓘ Albite var. Anorthoclase | (Na,K)AlSi3O8 |
Na | ⓘ Nepheline | Na3K(Al4Si4O16) |
Na | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
Na | ⓘ Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
Na | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
Na | ⓘ Thomsonite-Ca | NaCa2[Al5Si5O20] · 6H2O |
Na | ⓘ Sodium Amphibole Subgroup | An(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2 |
Na | ⓘ Sodium-Calcium Amphibole Subgroup | An(NaCa)(Z2+5-mZm3+)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2 |
Mg | Magnesium | |
Mg | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
Mg | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Mg | ⓘ Spinel | MgAl2O4 |
Mg | ⓘ Iddingsite | MgO · Fe2O3 · 3SiO2 · 4H2O |
Al | Aluminium | |
Al | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
Al | ⓘ Albite | Na(AlSi3O8) |
Al | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
Al | ⓘ Analcime | Na(AlSi2O6) · H2O |
Al | ⓘ Albite var. Andesine | (Na,Ca)[Al(Si,Al)Si2O8] |
Al | ⓘ Albite var. Anorthoclase | (Na,K)AlSi3O8 |
Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Al | ⓘ Nepheline | Na3K(Al4Si4O16) |
Al | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
Al | ⓘ Sanidine | K(AlSi3O8) |
Al | ⓘ Scolecite | CaAl2Si3O10 · 3H2O |
Al | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
Al | ⓘ Spinel | MgAl2O4 |
Al | ⓘ Thomsonite-Ca | NaCa2[Al5Si5O20] · 6H2O |
Al | ⓘ Sodium Amphibole Subgroup | An(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2 |
Al | ⓘ Sodium-Calcium Amphibole Subgroup | An(NaCa)(Z2+5-mZm3+)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2 |
Si | Silicon | |
Si | ⓘ Aegirine | NaFe3+Si2O6 |
Si | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
Si | ⓘ Aenigmatite | Na4[Fe102+Ti2]O4[Si12O36] |
Si | ⓘ Albite | Na(AlSi3O8) |
Si | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
Si | ⓘ Analcime | Na(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 | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Si | ⓘ Fayalite | Fe22+SiO4 |
Si | ⓘ Nepheline | Na3K(Al4Si4O16) |
Si | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
Si | ⓘ Quartz | SiO2 |
Si | ⓘ Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
Si | ⓘ Sanidine | K(AlSi3O8) |
Si | ⓘ Scolecite | CaAl2Si3O10 · 3H2O |
Si | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
Si | ⓘ Thomsonite-Ca | NaCa2[Al5Si5O20] · 6H2O |
Si | ⓘ Iddingsite | MgO · Fe2O3 · 3SiO2 · 4H2O |
Si | ⓘ Pyroxene Group | ADSi2O6 |
Si | ⓘ Sodium Amphibole Subgroup | An(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2 |
Si | ⓘ Sodium-Calcium Amphibole Subgroup | An(NaCa)(Z2+5-mZm3+)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2 |
P | Phosphorus | |
P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
Cl | Chlorine | |
Cl | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
Cl | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
Cl | ⓘ Sodium Amphibole Subgroup | An(Na2)(Z5)(Si8-mAlmO22)(OH,F,Cl)2 |
Cl | ⓘ Sodium-Calcium Amphibole Subgroup | An(NaCa)(Z2+5-mZm3+)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2 |
K | Potassium | |
K | ⓘ Albite var. Anorthoclase | (Na,K)AlSi3O8 |
K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
K | ⓘ Nepheline | Na3K(Al4Si4O16) |
K | ⓘ Sanidine | K(AlSi3O8) |
Ca | Calcium | |
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 | ⓘ Calcite | CaCO3 |
Ca | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
Ca | ⓘ Scolecite | CaAl2Si3O10 · 3H2O |
Ca | ⓘ Thomsonite-Ca | NaCa2[Al5Si5O20] · 6H2O |
Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
Ca | ⓘ Sodium-Calcium Amphibole Subgroup | An(NaCa)(Z2+5-mZm3+)(Si8-(n+m+1)Al(n+m-1)O22)(OH,F,Cl)2 |
Ti | Titanium | |
Ti | ⓘ Aenigmatite | Na4[Fe102+Ti2]O4[Si12O36] |
Ti | ⓘ Amphibole Supergroup | AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2 |
Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Fe | Iron | |
Fe | ⓘ Aegirine | NaFe3+Si2O6 |
Fe | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
Fe | ⓘ Aenigmatite | Na4[Fe102+Ti2]O4[Si12O36] |
Fe | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Fe | ⓘ Fayalite | Fe22+SiO4 |
Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
Fe | ⓘ Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
Fe | ⓘ Iddingsite | MgO · Fe2O3 · 3SiO2 · 4H2O |
Geochronology
Mineralization age: Pliocene : 3.1 Ma to 2.64 MaImportant 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 Time | Rocks, Minerals and Events | |||||||||
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Phanerozoic | ||||||||||
Cenozoic | ||||||||||
Neogene | ||||||||||
Pliocene |
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Other Databases
Wikipedia: | https://en.wikipedia.org/wiki/Mount_Kenya |
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Wikidata ID: | Q172070 |
Other Regions, Features and Areas containing this locality
Africa
- East African Rift System (EARS)Zone (Tectonic)
Kenya
- ⭔Central ProvinceCounty
Somali PlateTectonic Plate
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Mount Kenya, Meru County, Kenya