Mitchell, R.H. and Belton, F. (2004) Niocalite-cuspidine solid solution and manganoan monticellite from natrocarbonatite, Oldoinyo Lengai, Tanzania. Mineralogical Magazine: 68: 787-799.

Mattsson, H. B., & Reusser, E. (2010). Mineralogical and geochemical characterization of ashes from an early phase of the explosive September 2007 eruption of Oldoinyo Lengai (Tanzania). Journal of African Earth Sciences, 58(5), 752-763.

Reference Search (possible matching items)

	Simandl, George J., Paradis, Suzanne (2018) Carbonatites: related ore deposits, resources, footprint, and exploration methods. Applied Earth Science, 127 (4) 123-152 doi:10.1080/25726838.2018.1516935	Journal (article/letter/editorial)
	[(Na,K,Cax)2–x(CO3)], known from Ol Doinyo Lengai volcano (Tanzania). A reﬁnement to the IUGS chemical...(<600°C) natrocarbonatitic lavas from Ol Doinyo Lengai, Tanzania that contain 38–40 wt.% combined Na2O...Roberts 1984; Zaitsev et al. 2013); Kerimasi, Tanzania (Hay 1983; Zaitsev 2010; Guzmics et al. 2011);... PARADIS 2010) to very recent (e.g. Ol Doinyo Lengai, Tanzania, which is considered an active volcano)... Carbonatites with mineralogy similar to Ol Doinyo Lengai natrocarbonatite may have been relatively
	Mangler, Martin F., Marks, Michael A.W., Zaitzev, Anatoly N., Eby, G. Nelson, Markl, Gregor (2014) Halogens (F, Cl and Br) at Oldoinyo Lengai volcano (Tanzania): Effects of magmatic differentiation, silicate–natrocarbonatite melt separation and surface alteration of natrocarbonatite. Chemical Geology, 365. 43-53 doi:10.1016/j.chemgeo.2013.11.027	Journal (article/letter/editorial)
	com/locate/chemgeo Halogens (F, Cl and Br) at Oldoinyo Lengai volcano (Tanzania): Effects of magmatic differentiation...Natrocarbonatite Halogen fractionation Bromine TXRF Oldoinyo Lengai Leaching a b s t r a c t Halogen abundances of...and their alteration products from Oldoinyo Lengai (Tanzania) are compared to those of associated silicate...alteration. In the associated silicate rocks at Oldoinyo Lengai concentrations of all three halogens increase from...abundances in natrocarbonatites from Oldoinyo Lengai volcano (Tanzania) and the associated silicate rocks in
	Keller, J., Zaitsev, A.N. (2012) Reprint of “Geochemistry and petrogenetic significance of natrocarbonatites at Oldoinyo Lengai, Tanzania: Composition of lavas from 1988 to 2007”. Lithos, 152. 47-55 doi:10.1016/j.lithos.2012.08.012	Journal (article/letter/editorial)
	signiﬁcance of natrocarbonatites at Oldoinyo Lengai, Tanzania: Composition of lavas from 1988 to 2007”☆...Available online 27 August 2012 Keywords: Oldoinyo Lengai Natrocarbonatite Average composition and compositional...Oldoinyo Lengai, Tanzania, are unique in magmatic petrology. The historical activity of Oldoinyo Lengai has...relationship to the silicate magmas of Oldoinyo Lengai. The “type” natrocarbonatite major and trace element...25 samples with low standard deviation. Oldoinyo Lengai carbonatites are unique in almost all aspects of
	Keller, J., Zaitsev, A.N. (2012) Geochemistry and petrogenetic significance of natrocarbonatites at Oldoinyo Lengai, Tanzania: Composition of lavas from 1988 to 2007. Lithos, 148. 45-53 doi:10.1016/j.lithos.2012.05.022	Journal (article/letter/editorial)
	signiﬁcance of natrocarbonatites at Oldoinyo Lengai, Tanzania: Composition of lavas from 1988 to 2007 J...Available online 1 June 2012 Keywords: Oldoinyo Lengai Natrocarbonatite Average composition and compositional...Oldoinyo Lengai, Tanzania, are unique in magmatic petrology. The historical activity of Oldoinyo Lengai has...relationship to the silicate magmas of Oldoinyo Lengai. The “type” natrocarbonatite major and trace element...25 samples with low standard deviation. Oldoinyo Lengai carbonatites are unique in almost all aspects of
	Sekisova, V.S., Sharygin, V.V., Zaitsev, A.N., Strekopytov, S. (2015) Liquid immiscibility during crystallization of forsterite-phlogopite ijolites at Oldoinyo Lengai Volcano, Tanzania: study of melt inclusions. Russian Geology and Geophysics, 56 (12) 1717-1737 doi:10.1016/j.rgg.2015.11.005	Journal (article/letter/editorial)
	forsterite–phlogopite ijolites at Oldoinyo Lengai Volcano, Tanzania: study of melt inclusions V.S. Sekisova...inclusions in minerals of ijolite xenoliths at Oldoinyo Lengai Volcano. Melt inclusions with different phase compositions...ijolite; nyerereite; natrocarbonatite; Oldoinyo Lengai Introduction The East African Rift System, expanding...the Gulf of Aden through Ethiopia, Kenya, and Tanzania, is divided into two large tectonic zones: Western...the present, for example, Oldoinyo Lengai, which is located in Tanzania, ~16 km south of Lake Natron, near

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Cuspidine from Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania

Cuspidine from
Ol Doinyo Lengai, Ngorongoro District, Arusha region, Tanzania