Melting in an Archaean mantle plume: heads it's basalts, tails it's komatiites

Basaltic and komatiitic flows are two magma types that are petrologically and geochemically distinct, yet they display a close spatial and temporal association. The results of recent research suggest that both the basalts and komatiites are produced by a starting thermal plume rising in a warmer Arc...

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Bibliographic Details
Published in:	Nature (London) Vol. 339; no. 6227; pp. 697 - 699
Main Authors:	Campbell, I. H, Griffiths, R. W, Hill, R. I
Format:	Journal Article
Language:	English
Published:	London Nature Publishing 29-06-1989 Nature Publishing Group
Subjects:	Basalt Crystalline rocks Earth sciences Earth, ocean, space Exact sciences and technology Geology Heated water Igneous and metamorphic rocks petrology, volcanic processes, magmas Stone Thermal plumes Volcanoes Western Australia Greenstone Melting Fluid dynamics Nd-144/Nd-143 Australasia Igneous rocks Volcanic rocks Precambrian Magmatic differentiation Plumes Oceania Models Australia Archean Basalts Isotopes Komatiite
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Summary:	Basaltic and komatiitic flows are two magma types that are petrologically and geochemically distinct, yet they display a close spatial and temporal association. The results of recent research suggest that both the basalts and komatiites are produced by a starting thermal plume rising in a warmer Archaean mantle.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	0028-0836 1476-4687
DOI:	10.1038/339697a0