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North Turkana Volcanic Province, Turkana County, Kenyai
Regional Level Types
North Turkana Volcanic ProvinceVolcanic Province
Turkana CountyCounty
KenyaCountry

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PhotosMapsSearch
Latitude & Longitude:
3° North , 35° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~273km
GRN:
N03E25
Type:
Volcanic Province
Mindat Locality ID:
406768
Long-form identifier:
mindat:1:2:406768:2
GUID (UUID V4):
4b540845-89a2-4e23-8db8-0aa4083af0ca


The vast area lying north of 3º00'N between Lake Turkana and the northern and western borders of Kenya has been mapped by Walsh and Dodson (1969) and includes numerous volcanic centres, the outpourings from which extend over about one third of the total area.

Approx coords range: 3º00' - 4º36'N; 34º02' - 36º00'E.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


16 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-augite
Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Aenigmatite
Formula: Na4[Fe2+10Ti2]O4[Si12O36]
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Albite
Formula: Na(AlSi3O8)
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Albite var. Andesine
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Albite var. Anorthoclase
Formula: (Na,K)AlSi3O8
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Augite var. Titanium-bearing Augite
Formula: (Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ 'Feldspar Group'
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ Kaersutite
Formula: NaCa2(Mg3AlTi4+)(Si6Al2)O22O2
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Katophorite
Formula: {Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Nepheline
Formula: Na3K(Al4Si4O16)
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Orthoclase
Formula: K(AlSi3O8)
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Quartz
Formula: SiO2
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Riebeckite
Formula: ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Sanidine
Formula: K(AlSi3O8)
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Sodalite
Formula: Na4(Si3Al3)O12Cl
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ 'Sodic amphibole'
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ 'Stilbite Subgroup'
Formula: M6-7[Al8-9Si27-28O72] · nH2O
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
ⓘ Titanite
Formula: CaTi(SiO4)O
References:
Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘAugite
var. Titanium-bearing Augite		9.DA.15(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
ⓘ9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘAegirine-augite9.DA.20(NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6
ⓘKaersutite9.DE.15NaCa2(Mg3AlTi4+)(Si6Al2)O22O2
ⓘKatophorite9.DE.20{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
ⓘRiebeckite9.DE.25◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
ⓘAenigmatite9.DH.40Na4[Fe2+10Ti2]O4[Si12O36]
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
ⓘSanidine9.FA.30K(AlSi3O8)
ⓘOrthoclase9.FA.30K(AlSi3O8)
ⓘAlbite
var. Anorthoclase		9.FA.35(Na,K)AlSi3O8
ⓘvar. Andesine9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
ⓘ9.FA.35Na(AlSi3O8)
ⓘSodalite9.FB.10Na4(Si3Al3)O12Cl
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
Unclassified
ⓘ'Feldspar Group'-
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Stilbite Subgroup'-M6-7[Al8-9Si27-28O72] · nH2O
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Sodic amphibole'-

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ⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Hⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Hⓘ Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
OOxygen
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ⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Oⓘ SanidineK(AlSi3O8)
Oⓘ SodaliteNa4(Si3Al3)O12Cl
Oⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Pyroxene GroupADSi2O6
Oⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
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ⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
NaSodium
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ⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Naⓘ NephelineNa3K(Al4Si4O16)
Naⓘ Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Naⓘ SodaliteNa4(Si3Al3)O12Cl
Naⓘ Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Naⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
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ⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Mgⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
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ⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Alⓘ NephelineNa3K(Al4Si4O16)
Alⓘ OrthoclaseK(AlSi3O8)
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ SanidineK(AlSi3O8)
Alⓘ SodaliteNa4(Si3Al3)O12Cl
Alⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Alⓘ Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
SiSilicon
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ⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Siⓘ SanidineK(AlSi3O8)
Siⓘ SodaliteNa4(Si3Al3)O12Cl
Siⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Pyroxene GroupADSi2O6
Siⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ SodaliteNa4(Si3Al3)O12Cl
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(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ⓘ OrthoclaseK(AlSi3O8)
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
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ⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
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
Tiⓘ KaersutiteNaCa2(Mg3AlTi4+)(Si6Al2)O22O2
Tiⓘ TitaniteCaTi(SiO4)O
Tiⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
FeIron
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ⓘ MagnetiteFe2+Fe23+O4
Feⓘ Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Feⓘ Augite var. Titanium-bearing Augite(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6

Geochronology

Mineralization age: Cenozoic : 33 Ma to 6.8 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
   Miocene
ⓘ Basalt (youngest age)6.8 Ma
  Paleogene
   Oligocene
ⓘ Basalt (oldest age)33 Ma

Other Regions, Features and Areas containing this locality

African 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

Smith, W. C. (1938). Petrographic description of volcanic rocks from Turkana, Kenya Colony, with notes on their field occurrence from the manuscript of Mr. AM Champion. Quarterly Journal of the Geological Society, 94(1-4), 507-554. doi.org/10.1144/GSL.JGS.1938.094.01-04.18
Walsh, J., & Dodson, R. G. (1969). Geology of northern Turkana. Republic of Kenya: Ministry of Natural Ressources, Geological Survey of Kenya, 82.
Hatch, F. H., Wells, A. K., & Wells, M. K. (1972). Petrology ofthe Igneous Rocks (13th Edition). Thomas Murby, London.
Zanettin, B., Justin Visentin, E., Bellieni, G., Piccirillo, E. M., & Rita, F. (1983). Le volcanisme du Bassin du Nord-Turkana (Kenya): Age, succession et évolution structurale. Bulletin des centres de recherches exploration-Production Elf-Aquitaine, 7(1), 249-255.
Woolley, A. R. (2001). Alkaline rocks and carbonatites of the world. Part 3: Africa. Geological Society. Natural History Museum, London, p. 101.
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