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Ijolite

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About IjoliteHide

Name:
Named by Ramsay in 1891 for Ijola (Iivaara), Finland.
A nephelinolite consisting of 30-70% nepheline with pyroxene.

A series of plutonic rocks containing nepheline and 30% to 60% mafic minerals, generally clinopyroxene, and including minor titanite, apatite, and melanite; also, any rock of that series. Melteigite and jacupirangite are more mafic members of the series; urtite is a type rich in nepheline.


Classification of IjoliteHide

Sub-divisions of IjoliteHide

Mineralogy of IjoliteHide

Essential minerals - these are minerals that are required within the classification of this rock:
Feldspathoid > NephelineNa3K(Al4Si4O16)
PyroxeneA petrological term for Pyroxene Group.
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Amphibole > HornblendeAn informal name for dark green to black amphiboles, mostly ferro-hornblende or ...
Mica > BiotiteA series or subgroup of the Mica Group.

Synonyms of IjoliteHide

Internet Links for IjoliteHide

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https://www.mindat.org/min-48393.html
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Localities for IjoliteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Canada
 
  • Northwest Territories
    • Mazenod Lake District
Orris, G. J., & Grauch, R. I. (2002). Rare earth element mines, deposits and occurrences (Open file report 2-189). US Department of the Interior, US Geological Survey.
  • Québec
    • Laurentides
      • Deux-Montagnes RCM
        • Oka
Davidson, A. (1963) A study of okaite and associated rocks near Oka, Quebec. A thesis submitted in partial fulfilment of the requirements for the degree of master in science in the degree of geology. The university of British Columbia. 158 p.
Czech Republic
 
  • Karlovy Vary Region
    • Mariánské Lázně (Marienbad)
- Ulrych, J., Pivec, E., Bouše, P. (1995) Minerální parageneze ijolitových vyloučenin v olivinickém nefelinitu Podhorního vrchu u Mariánských Lázní. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1995, roč. 3, 51-56.
Kenya
 
  • Homa Bay County
Rosatelli, G., Wall, F., Le Bas, M.J. (2003) Potassic glass and calcite carbonatite in lapilli from extrusive carbonatites at Rangwa Caldera Complex, Kenya. Mineralogical Magazine, 67:5, 931-955.
  • Kajiado County
Saggerson, E.P., Williams, L.A.J. (1964) Ngurumanite from Southern Kenya and its Bearing on the Origin of Rocks in the Northern Tanganyika Alkaline District. Journal of Petrology, Volume 5:1, 1 January 1964, Pages 40–81. https://doi.org/10.1093/petrology/5.1.40
  • Kwale County
Nyambok, I.O. (1980) Petrology and geochemistry of the alkaline intrusion, Jombo Hill, Kenya. Geological Magazine, 117:4, 327-338.; Woolley, A. R. (1987). Alkaline rocks and carbonatites of the world: Africa. Geological Society of London.
Norway
 
  • Telemark
    • Nome
      • Fen Complex
Mitchell, R.H. (1980): Pyroxenes of the Fen alkaline complex, Norway. American Mineralogist. 65: 45-54
Russia
 
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
L. Kogarko (1995) Alkaline Rocks and Carbonatites of the World: Part Two: Former USSR
Rasskazov, S. V., Il’yasova, A. M., Konev, A. A., Yasnygina, T. A., Maslovskaya, M. N., Fefelov, N. N., ... & Saranina, E. V. (2007). Geochemical evolution of the Zadoi Alkaline-Ultramafic Massif, Cis-Sayan area, southern Siberia. Geochemistry International, 45(1), 1-14.
    • Sakha Republic (Yakutia)
      • Aldan Shield
        • Eastern Aldan
Shadenkov, Y. M. (1989). Metasomatic assemblages in wall rocks of the Ingili pluton, eastern Aldan. International Geology Review, 31(7), 697-706.
  • Far-Eastern Region
    • Khabarovskiy Kray
      • Ayan-Maya district
        • Aldan shield
Lennikov, A. M., Zalishak, B. L., & Oktyabrsky, R. A. (2004). The Konder massif of ultramafic and alkaline rocks and related PGM mineralization. In Interim IAGOD Conf. Excursion Guidebook. Vladivostok: Dalnauka (p. 29).
  • Northern Region
    • Karelia Republic
https://www.researchgate.net/figure/Alkaline-complexes-and-carbonatites-in-Kola-peninsula-northern-Russian-Karelia-and_fig1_225412232
    • Murmanskaya Oblast'
[Pegmatitic Ijolite] Kukharenko et al, 1965
Lykova, I. S., Pekov, I. V., Kononkova, N. N., & Shpachenko, A. K. Bafertisite and jinshajiangite from the Gremyakha-Vyrmes alkaline complex, Kola Peninsula.
Kogarko et al. (1995) Alkaline Rocks and Carbonatites of the World, Part 2 Former USSR
Mikhailova, J. A., Kalashnikov, A. O., Sokharev, V. A., Pakhomovsky, Y. A., Konopleva, N. G., Yakovenchuk, V. N., ... & Ivanyuk, G. Y. (2016). 3D mineralogical mapping of the Kovdor phoscorite–carbonatite complex (Russia). Mineralium Deposita, 51(1), 131-149.
Kukharenko et aI., 1965; Kononova and Shanin, 1971; Orlova, 1959.
Kogarko, L.N. et al (1995) Alkaline Rocks and Carbonatites of the World Vol 2.
Tanzania
 
  • Arusha Region
Zaitsev, A. N., Marks, M. A. W., Wenzel, T., Spratt, J., Sharygin, V. V., Strekopytov, S., & Markl, G. (2012). Mineralogy, geochemistry and petrology of the phonolitic to nephelinitic Sadiman volcano, Crater Highlands, Tanzania. Lithos, 152, 66-83.
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