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Physicochemical properties of alkali carbonatite lavas; data from the 1988 eruption of Oldoinyo Lengai, Tanzania
J. B. Dawson, H. Pinkerton, G. E. Norton and D. M. Pyle
Physicochemical properties of alkali carbonatite lavas; data from the 1988 eruption of Oldoinyo Lengai, Tanzania
Geology (Boulder) (March 1990) 18 (3): 260-263
Physicochemical properties of alkali carbonatite lavas; data from the 1988 eruption of Oldoinyo Lengai, Tanzania
Geology (Boulder) (March 1990) 18 (3): 260-263
Index Terms/Descriptors
Latitude & Longitude
Abstract
Alkali carbonatite lavas extruded from Oldoinyo Lengai, Tanzania, in November 1988 are similar in composition to lavas extruded in 1960. Extrusion temperatures are 585 + or -10 degrees C. Apparent viscosities in this temperature range are between 0.3 and 120 Pa.s, the highest values coming from very frothy and phenocryst-rich magma. The viscosities and temperatures are the lowest known for terrestrial magmas.
ISSN: 0091-7613
EISSN: 1943-2682
Coden: GLGYBA
Serial Title: Geology (Boulder)
Serial Volume: 18
Serial Issue: 3
Title: Physicochemical properties of alkali carbonatite lavas; data from the 1988 eruption of Oldoinyo Lengai, Tanzania
Affiliation: Univ. Edinburgh, Dep. Geol.,
Edinburgh,
United Kingdom
Pages: 260-263
Published: 199003
Text Language: English
Publisher: Geological Society of America (GSA),
Boulder, CO,
United States
References: 36
Accession Number: 1990-026020
Categories: Igneous and metamorphic petrologyGeochemistry of rocks, soils, and sediments
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 2 tables
S02°45'00" - S02°45'00", E35°55'60" - E35°55'60"
Secondary Affiliation: Univ. Lancaster,
GBR,
United KingdomCambridge Univ.,
GBR,
United Kingdom
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute.
Update Code: 1990
