Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Anorthoclase from
Longonot Volcano, Nakuru County, Kenya


Locality type:Volcano
Classification
Species:Albite var: Anorthoclase
Formula:(Na,K)AlSi3O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Anorthoclase data
Locality Data:Click here to view Longonot Volcano, Nakuru County, Kenya
Data Identifiers
Mindat Occurrence Record ID:1427086
Long-form Identifier:1:3:1427086:4
GUID (UUID V4):0
Nearest other occurrences of Anorthoclase
20.5km (12.8 miles) ⓘLake Naivasha, Nakuru County, Kenya
24.4km (15.1 miles) ⓘMount Suswa (Suswa Volcano), Kajiado County, Kenya
66.5km (41.3 miles) ⓘOl Esayeiti Volcano, Kajiado County, Kenya
90.1km (56.0 miles) ⓘMenengai Volcano, Nakuru County, Kenya
References
Scott, S. C. (1980). The geology of Longonot volcano, Central Kenya: a question of volumes. Philosophical Transactions of the Royal Society of London. Series A, Mathematical and Physical Sciences, 296(1420), 437-465. doi.org/10.1098/rsta.1980.0188
Scott, S. C. (1982). Evidence from Longonot Volcano, central Kenya, lending further support to the argument for a coexisting CO 2 rich vapour in peralkaline magma. Geological Magazine, 119(2), 215-217. doi.org/10.1017/S0016756800025917
Scott, S. C., & Bailey, D. K. (1984). Coeruption of contrasting magmas and temporal variations in magma chemistry at Longonot volcano, Central Kenya. Bulletin Volcanologique, 47(4), 849-873. doi.org/10.1007/BF01952347
Clarke, M. C. G., Woodhall, D. G., Allen, D., & Darling, G. (1990). Geological, volcanological and hydrological controls on the occurrence of geothermal activity in the area surrounding Lake Naivasha, Kenya. Kenya, Ministry of Energy Report, Nairobi, Kenya.
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
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 18, 2026 23:27:34
Go to top of page