Geochemical aspects of some accumulation models for primary magmas
- Creators
- Maaløe, Sven
- Johnston, A. Dana
Abstract
The compositions of primary magmas depend to some degree on the dynamic processes occurring in the partially molten region of the mantle. The compositional dependence is estimated for three models which assume either accumulation from a migmatized source region or accumulation entirely by the interstitial flow of magma. Accumulation from a migmatised region results in magmas with higher concentrations of incompatible elements than does batch melting, whereas accumulation by interstitial flow results in magmas with lower concentrations of these elements. The concentrations of refractory elements are almost independent of both the accumulation process and the degree of partial melting and are therefore usefull for the identification of primary magmas.
Additional Information
© 1986 Springer-Verlag. Received 13 August 1985; Accepted 10 March 1986.Additional details
- Eprint ID
- 99027
- Resolver ID
- CaltechAUTHORS:20191002-143644135
- Created
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2019-10-02Created from EPrint's datestamp field
- Updated
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2021-11-16Created from EPrint's last_modified field