Evolution of natrocarbonatite from a wollastonite nephelinite parent: Evidence from the June, 1993 eruption of Oldoinyo Lengai, Tanzania

Evolution of natrocarbonatite from a wollastonite nephelinite parent: Evidence from the June, 1993 eruption of Oldoinyo Lengai, Tanzania

Lapilli and unusually thick, high viscosity lavas extruded from Oldoinyo Lengai in June, 1993 are composed of crystal-rich natrocarbonatite containing a small proportion of porphyritic silicate spheroids. The silicate spheroids are of wollastonite nephelinite mineralogy, but they also contain natroc...

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Dettagli Bibliografici
Autori principali:	Dawson, J, Pyle, D, Pinkerton, H
Natura:	Journal article
Pubblicazione:	1996

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