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Silali Volcano, Turkana County, Kenyai
Regional Level Types
Silali VolcanoVolcano
Turkana CountyCounty
KenyaCountry

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04002740017271978801025.jpg
Geological Map

Silali Volcano, Turkana County, Kenya
04002740017271978801025.jpg
Geological Map

Silali Volcano, Turkana County, Kenya
08598580017272414377307.jpg
Geological Map

Silali Volcano, Turkana County, Kenya
Latitude & Longitude (WGS84):
1° 9' 39'' North , 36° 13' 24'' East
Latitude & Longitude (decimal):
1.16100,36.22350
GeoHash:
G#: sb1y8735k
GRN:
N01E26
Type:
Volcano
Age:
0.278 ยฑ 0.044 to 0.001 ยฑ 0.007 Ma
Geologic Time:
Quaternary
Dating method:
Ar/Ar
Reference for age:
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
Kรถppen climate type:
Aw : Tropical savanna, wet
Nearest Settlements:
PlacePopulationDistance
Maralal20,841 (2017)53.2km
Mindat Locality ID:
406847
Long-form identifier:
mindat:1:2:406847:4
GUID (UUID V4):
0


The largest volcano in the northern Gregory Rift, forms a low-angle shield of 30 x 25 km extending the full width of the rift and rising 760 m above the rift floor. At the summit there is elliptical caldera of 7.5 x 5 km with unbreached walls up to 340 m high.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


8 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:

โ“˜ Albite
Formula: Na(AlSi3O8)
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
โ“˜ Albite var. Andesine
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
โ“˜ Albite var. Anorthoclase
Formula: (Na,K)AlSi3O8
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
โ“˜ 'Alkali Feldspar'
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
โ“˜ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
โ“˜ Analcime
Formula: Na(AlSi2O6) · H2O
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
โ“˜ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
โ“˜ Arfvedsonite
Formula: [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
โ“˜ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
โ“˜ 'Clinopyroxene Subgroup'
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
โ“˜ Fayalite
Formula: Fe2+2SiO4
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
โ“˜ 'Fayalite-Forsterite Series'
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
โ“˜ Magnetite
Formula: Fe2+Fe3+2O4
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
โ“˜ Magnetite var. Titanium-bearing Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
โ“˜ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
โ“˜ Quartz
Formula: SiO2
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
โ“˜ Riebeckite
Formula: ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
References:
McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
โ“˜Magnetite4.BB.05Fe2+Fe3+2O4
โ“˜var. Titanium-bearing Magnetite4.BB.05Fe2+(Fe3+,Ti)2O4
โ“˜Quartz4.DA.05SiO2
Group 9 - Silicates
โ“˜Fayalite9.AC.05Fe2+2SiO4
โ“˜Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
โ“˜Arfvedsonite9.DE.25[Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
โ“˜Riebeckite9.DE.25โ—ป[Na2][Fe2+3Fe3+2]Si8O22(OH)2
โ“˜Albite9.FA.35Na(AlSi3O8)
โ“˜var. Andesine9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
โ“˜var. Anorthoclase9.FA.35(Na,K)AlSi3O8
โ“˜Analcime9.GB.05Na(AlSi2O6) ยท H2O
Unclassified
โ“˜'Alkali Feldspar'-
โ“˜'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
โ“˜'Clinopyroxene Subgroup'-
โ“˜'Fayalite-Forsterite Series'-
โ“˜'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
โ“˜'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
Hโ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hโ“˜ AnalcimeNa(AlSi2O6) · H2O
Hโ“˜ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Hโ“˜ Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Hโ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
OOxygen
Oโ“˜ AlbiteNa(AlSi3O8)
Oโ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oโ“˜ AnalcimeNa(AlSi2O6) · H2O
Oโ“˜ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Oโ“˜ Albite var. Anorthoclase(Na,K)AlSi3O8
Oโ“˜ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Oโ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oโ“˜ FayaliteFe22+SiO4
Oโ“˜ MagnetiteFe2+Fe23+O4
Oโ“˜ QuartzSiO2
Oโ“˜ Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Oโ“˜ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Oโ“˜ Fayalite-Forsterite Series
Oโ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oโ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fโ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fโ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naโ“˜ AlbiteNa(AlSi3O8)
Naโ“˜ AnalcimeNa(AlSi2O6) · H2O
Naโ“˜ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Naโ“˜ Albite var. Anorthoclase(Na,K)AlSi3O8
Naโ“˜ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Naโ“˜ Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Naโ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgโ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgโ“˜ Fayalite-Forsterite Series
AlAluminium
Alโ“˜ AlbiteNa(AlSi3O8)
Alโ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alโ“˜ AnalcimeNa(AlSi2O6) · H2O
Alโ“˜ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Alโ“˜ Albite var. Anorthoclase(Na,K)AlSi3O8
Alโ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siโ“˜ AlbiteNa(AlSi3O8)
Siโ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siโ“˜ AnalcimeNa(AlSi2O6) · H2O
Siโ“˜ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Siโ“˜ Albite var. Anorthoclase(Na,K)AlSi3O8
Siโ“˜ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Siโ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siโ“˜ FayaliteFe22+SiO4
Siโ“˜ QuartzSiO2
Siโ“˜ Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Siโ“˜ Fayalite-Forsterite Series
Siโ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
PPhosphorus
Pโ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Clโ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clโ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kโ“˜ Albite var. Anorthoclase(Na,K)AlSi3O8
CaCalcium
Caโ“˜ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Caโ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caโ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caโ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiโ“˜ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiโ“˜ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
FeIron
Feโ“˜ Arfvedsonite[Na][Na2][Fe42+Fe3+]Si8O22(OH)2
Feโ“˜ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feโ“˜ FayaliteFe22+SiO4
Feโ“˜ MagnetiteFe2+Fe23+O4
Feโ“˜ Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Feโ“˜ Magnetite var. Titanium-bearing MagnetiteFe2+(Fe3+,Ti)2O4
Feโ“˜ Fayalite-Forsterite Series

Other Regions, Features and Areas containing this locality

AfricaContinent
African Plate
Kenya
Somali PlateTectonic Plate

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References

McCall, G. J. H., & Hornung, G. (1972). A geochemical study of Silali volcano, Kenya, with special reference to the origin of the intermediate-acid eruptives of the Central Rift Valley. In Developments in Geotectonics (Vol. 7, pp. 97-113). Elsevier. doi.org/10.1016/B978-0-444-41087-0.50016-6
Dunkley, P. N., Smith, M., Allen, D. J., & Darling, W. G. (1993). The geothermal activity and geology of the northern sector of the Kenya Rift Valley. British Geological Survey, Research Report. International Series SC/93/1.
Macdonald, R., Davies, G. R., Upton, B. G. J., Dunkley, P. N., Smith, M., & Leat, P. T. (1995). Petrogenesis of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(4), 703-720. doi.org/10.1144/gsjgs.152.4.0703
Smith, M., Dunkley, P. N., Deino, A., Williams, L. A. J., & McCall, G. J. H. (1995). Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society, 152(2), 297-310. doi.org/10.1144/gsjgs.152.2.0297
Woolley, A. R. (2001) Alkaline Rocks and Carbonatites of the World, Part 3: Africa - Alkaline Rocks and Carbonatites of the World. The Geological Society of London.p.111
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