Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Trachyte from
Mount Suswa (Suswa Volcano), Kajiado County, Kenya


Locality type:Volcano
Classification
Type:Trachyte
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Trachyte data
Locality Data:Click here to view Mount Suswa (Suswa Volcano), Kajiado County, Kenya
Data Identifiers
Mindat Occurrence Record ID:1228456
Long-form Identifier:1:3:1228456:2
GUID (UUID V4):0
Nearest other occurrences of Trachyte
49.6km (30.8 miles) ⓘOl Esayeiti Volcano, Kajiado County, Kenya
53.1km (33.0 miles) ⓘEburru Volcanic Complex, Nakuru County, Kenya
59.8km (37.2 miles) ⓘShanamu Hills, Kajiado County, Kenya
64.7km (40.2 miles) ⓘOlorgesailie Mountain, Kajiado County, Kenya
81.2km (50.4 miles) ⓘNyeri and Kijabe Volcanic Areas, Nyeri County, Kenya
97.2km (60.4 miles) ⓘNakuru Volcanic Area, Nakuru County, Kenya
References
NASH, W. P., CARMICHAEL, I. S. E., JOHNSON, R. W. (1969) The Mineralogy and Petrology of Mount Suswa, Kenya. Journal of Petrology, 10 (3) 409-439 doi:10.1093/petrology/10.3.409
Johnshon, R. W. (1969). Volcanic geology of Mount Suswa, Kenya. Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences, 265(1164), 383-412. doi.org/10.1098/rsta.1969.0061
Williams, L. A. J., Macdonald, R., & Chapman, G. R. (1984). Late Quaternary caldera volcanoes of the Kenya Rift valley. Journal of Geophysical Research: Solid Earth, 89(B10), 8553-8570. doi.org/10.1029/JB089iB10p08553
Baker, B. H., Mitchell, J. G., & Williams, L. A. J. (1988). Stratigraphy, geochronology and volcano-tectonic evolution of the Kedong–Naivasha–Kinangop region, Gregory Rift Valley, Kenya. Journal of the Geological Society, 145(1), 107-116. doi.org/10.1144/gsjgs.145.1.0107
Randel, R. P., & Johnson, R. W. (1991). Geology of the Suswa area (No. 97). Mines & Geological Department.
Macdonald, R., Kjarsgaard, B. A., Skilling, I. P., Davies, G. R., Hamilton, D. L., Black, S. (1993) Liquid immiscibility between trachyte and carbonate in ash flow tuffs from Kenya. Contributions to Mineralogy and Petrology, 114 (2) 276-287 doi:10.1007/bf00307762
Skilling, I. P. (1993). Incremental caldera collapse of Suswa volcano, Gregory rift valley, Kenya. Journal of the Geological Society, 150(5), 885-896. doi.org/10.1144/gsjgs.150.5.0885
Scott, S. C., & Skilling, I. P. (1999). The role of tephrachronology in recognizing synchronous caldera-forming events at the Quaternary volcanoes Longonot and Suswa, south Kenya Rift. Geological Society, London, Special Publications, 161(1), 47-67. doi.org/10.1144/GSL.SP.1999.161.01.05
White, John Charles, Espejel-Garcı́a, Vanessa V, Anthony, Elizabeth Y, Omenda, Peter A (2012) Petrogenesis of the Suswa volcano, Kenya. Proceedings of the 4th African Rift Geothermal Conference. Nairobi, Kenya, 2-14
 
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