 | 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 doi:10.1016/j.lithos.2012.03.001 | Journal (article/letter/editorial) | | the phonolitic to nephelinitic Sadiman volcano, Crater Highlands, Tanzania A.N. Zaitsev a, b,⁎, M.A.W. Marks...inclusions Mineral stability fields Sadiman volcano a b s t r a c t Sadiman volcano is located in the Crater Highlands...Highlands area of northern Tanzania, which lies next to the western escarpment of the Gregory rift—a...divided into highly porphyritic nephelinite, wollastonite nephelinite and phonolitic nephelinite, the...the latter of which is the dominant variety at Sadiman. Nepheline + clinopyroxene + titanite ± perovskite |  | | Journal (article/letter/editorial) | | lavas at early stage of rift initiation (Hanang volcano, North Tanzanian Divergence) Céline Baudouin1 ·...Lengai and Kerimasi volcanoes. Hanang volcano is the southernmost volcano in the North Tanzanian Divergence...the earliest stage of rift initiation. Hanang volcano erupted silica-undersaturated alkaline lavas with...Engineering, University of Dar Es Salaam, Dar Es Salaam, Tanzania open system with carbonate–silicate immiscibility...Liquid immiscibility · Rift initiation · Hanang · Tanzania · East African Rift Introduction The East African |  | | Journal (article/letter/editorial) | | field-based study on carbonatites and nephelinites in Tanzania and for the PERALKCARB2011 workshop. This money...issue, dealing with the Sadiman volcano in the Crater Highlands of Tanzania. Given the focus of our research...carbonatites, and especially the Gregory Rift of Tanzania, make up the largest part of the current issue...activity of the Oldoinyo Lengai volcano, being the only active carbonatite volcano on Earth. Not unexpected...about peralkaline rocks and carbonatites from this volcano. Two 0024-4937/$ – see front matter © 2012 Elsevier |  | | Journal (article/letter/editorial) | | forsterite–phlogopite ijolites at Oldoinyo Lengai Volcano, Tanzania: study of melt inclusions V.S. Sekisova a...minerals of ijolite xenoliths at Oldoinyo Lengai Volcano. Melt inclusions with different phase compositions...the Gulf of Aden through Ethiopia, Kenya, and Tanzania, is divided into two large tectonic zones: Western...example, Oldoinyo Lengai, which is located in Tanzania, ~16 km south of Lake Natron, near the Crater...Crater Highlands. The carbonatite rocks of this volcano are extremely enriched in alkaline elements (Na and |  | Sharygin, Victor V., Kamenetsky, Vadim S., Zaitsev, Anatoly N., Kamenetsky, Maya B. (2012) Silicate–natrocarbonatite liquid immiscibility in 1917 eruption combeite–wollastonite nephelinite, Oldoinyo Lengai Volcano, Tanzania: Melt inclusion study. Lithos, 152. 23-39 doi:10.1016/j.lithos.2012.01.021 | Journal (article/letter/editorial) | | 1917 eruption combeite–wollastonite nephelinite, Oldoinyo Lengai Volcano, Tanzania: Melt inclusion study...Silicate–carbonate liquid immiscibility Combeite wollastonite nephelinite Natrocarbonatite Oldoinyo Lengai... fluorapatite, wollastonite, clinopyroxene) in the 1917 eruption combeite–wollastonite nephelinite at...the groundmass of the Oldoinyo Lengai combeite–wollastonite nephelinites. © 2012 Elsevier B.V. All rights...Introduction Oldoinyo Lengai is the only active volcano on the Earth erupting natrocarbonatite lava. This |  | | Journal (article/letter/editorial) | | Manuscript Trace element partitioning between wollastonite and alkaline silicate magmas Céline Baudouin... France, Trace element partitioning between wollastonite and alkaline silicate magmas, Chemical Geology... RI PT Trace element partitioning between wollastonite and alkaline silicate magmas 1 MA NU SC...Abstract The partitioning of trace elements between wollastonite and melt provides a choice tool for understanding...parameters between wollastonite and silicate magmas of Oldoinyo Lengai (Tanzania). Trace PT element |  | Sharygin, Victor V., Pekov, Igor V., Zubkova, Natalia V., Khomyakov, Alexander P., Stoppa, Francesco, Pushcharovsky, Dmitry Yu. (2013) Umbrianite, K7Na2Ca2[Al3Si10O29]F2Cl2, a new mineral species from melilitolite of the Pian di Celle volcano, Umbria, Italy. European Journal of Mineralogy, 25 (4) 655-669 doi:10.1127/0935-1221/2013/0025-2306 | Journal (article/letter/editorial) | | species from melilitolite of the Pian di Celle volcano, Umbria, Italy VICTOR V. SHARYGIN1,*, IGOR V. PEKOV2...groundmass mineral in melilitolite of the Pian di Celle volcano, Umbria, Italy. It forms rectangular, lamellar...structure, melilitolite, kamafugite, Pian di Celle volcano, Italy. 1. Introduction Institute of Geology...for Umbria, the region of Central Italy where its type locality, the Pian di Celle volcano, is situated...background content of H2O (0.03 The Pian di Celle volcano is a part of a Pleistocene kamafugite-carbonatite |  | Braunger, S, Marks, M A W, Walter, B F, Neubauer, R, Reich, R, Wenzel, T, Parsapoor, A, Markl, G (2018) The Petrology of the Kaiserstuhl Volcanic Complex, SW Germany: The Importance of Metasomatized and Oxidized Lithospheric Mantle for Carbonatite Generation. Journal of Petrology, 59 (9) 1731-1762 doi:10.1093/petrology/egy078 | Journal (article/letter/editorial) | | 2005; Brooker & Kjarsgaard, 2011). The source region for most carbonatites and associated alkaline rocks...1990; 1991). The original size of the Kaiserstuhl volcano during its active period is difficult to reconstruct... but contain variable amounts of garnet and wollastonite, except for mesocratic tephritic phonolites...garnet, nosean, nepheline and strongly altered wollastonite. Porphyritic nosean phonolites comprise euhedral...titanite-free samples, however, contain euhedral wollastonite, often replaced by natrolite. Euhedral nosean |  | | Journal (article/letter/editorial) | | Central Sodalite-bearing phonolite Ol Doinyo Lengai Sadiman Nephelinite and Basanite Eifel Saghro 8 basanite...magma volume of 1 km3, whereas the Laacher See volcano erupted about 5 km3 of phonolitic magma (Bogaard...for major and volatile element analyses are: wollastonite for Si and Ca; Al2O3 for Al; TiO2 for Ti; forsterite...zoned phonolitic magma chamber of the Laacher See volcano. Contributions to Mineralogy and Petrology, 140...Poli. G. (1986) Petrogenesis of Monte Vulture Volcano (Italy): Inferences from mineral chemistry, major |  | | Journal (volume) | | of Szeged On the cover: Map of the Carpathian region with type localities of new mineral species, rocks...History of mineralogy: The role of the Carpathian region in the 18th century..............................beneath Eyjafjallajökull volcano, and corresponding inflation of the volcano, a lateral eruption started...evolved FeTi-basalts of the neighbouring Katla volcano (MgO: 4.5-5.0%). During the historical period Katla...basalt (similar in composition to those of Katla volcano) and a dacitic melt, possibly left-over from the |
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