Search for dissertations about: "Diatreme"
Found 1 swedish dissertation containing the word Diatreme.
-
1. Volcanism at the tip of a propagating rift : the Heimaey volcanic centre, south Iceland
Abstract : Primary magmas are generated by 4-6% partial melting near the garnet-spinel stability fields beneath Heimaey (i.e. 80-65 km depth). The magmas fractionate 31% olivine and clinopyroxene en-route to ponding at the base of the crust (and forming a parental Vestmannaeyjar magma). READ MORE
Result pages:
1