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Major element constraints on melting, differentiation and mixing of magmas from the Galapagos 95.5° W propagating rift system
Christie, D.M.; Sinton, J.M. (1986). Major element constraints on melting, differentiation and mixing of magmas from the Galapagos 95.5° W propagating rift system. Contrib. Miner. Petrol./Beitr. Mineral. Petrol. 94(3): 274-288
In: Contributions to Mineralogy and Petrology = Beiträge zur Minerologie und Petrologie. Springer: Heidelberg; Berlin. ISSN 0010-7999, more
Peer reviewed article  

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Keywords
    Basalts; Geochemistry; Magma; Mid-ocean ridges; Petrology; Rift zones; ISE, Galapagos Rift; Marine

Authors  Top 
  • Christie, D.M.
  • Sinton, J.M.

Abstract
    Projections in the pseudo-quaternary system diopside-plagioclase-olivine-quartz (di-pl-ol-Q) are used in this paper as a base on which to plot additional compositional, petrologic or tectonic variables. Used in this manner, the projections provide a sensitive means of displaying and evaluating the chemical variability of mid-ocean ridge basalt (MORB) suites, such as that of the Galapagos 95.5° W propagating rift system, and allow mantle controls on the chemical variability of MORB to be distinguished from the predominant effects of shallow-level crystal fractionation and mixing.

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