monominerallic cumulate ores or contributing to the enrichment of ore minerals and metals Liquation , or liquid immiscibility between melts of differing compositioncreatingmonominerallic cumulate ores or contributing to the enrichment of ore minerals and metals Liquation , or liquid immiscibility between melts of differing composition

in a stratification with Fe - rich cumulates close to the surface and Mg - rich cumulates at the CMB , a configuration that is gravitationally unstableresultingin a stratification with Fe - rich cumulates close to the surface and Mg - rich cumulates at the CMB , a configuration that is gravitationally unstable

magma differentiation(passive) triggered bymagma differentiation

to a silicicpotassic residual liquid which forms a mesostasis in nearly all of the rocksleadingto a silicicpotassic residual liquid which forms a mesostasis in nearly all of the rocks

a well - defined , concentric structure of different mineral zonescreatesa well - defined , concentric structure of different mineral zones

to the formation of a cumulate mush at the base of the eruptible reservoir , from which highly - evolved , crystal - poor , water - rich and relatively cold melts were separatedleadingto the formation of a cumulate mush at the base of the eruptible reservoir , from which highly - evolved , crystal - poor , water - rich and relatively cold melts were separated

in the large - scale separation of W - bearing mineralsresultedin the large - scale separation of W - bearing minerals

in the formation of aplitesresultingin the formation of aplites

to the enrichment of the residual magma in Mgleadsto the enrichment of the residual magma in Mg

to repeated cycles of volatile exsolution , vein stockwork formation , and hydrothermal brecciation within and above the mineralizing intrusionsleadsto repeated cycles of volatile exsolution , vein stockwork formation , and hydrothermal brecciation within and above the mineralizing intrusions

to the formation of paraxylenethen leadsto the formation of paraxylene

mono - minerallic cumulate ores or contributing to the enrichment of ore minerals and metalscreatingmono - minerallic cumulate ores or contributing to the enrichment of ore minerals and metals

an increase in incompatible tight rare - earttr elemena ( mEq andjarge - ion lithophile elements ( /,tlcausedan increase in incompatible tight rare - earttr elemena ( mEq andjarge - ion lithophile elements ( /,tl

in a residual liquid that has more silica than the original 27usually resultsin a residual liquid that has more silica than the original 27

in colder climates where the temperature drops well below freezing for extended periods of timeoriginatedin colder climates where the temperature drops well below freezing for extended periods of time

increase in Sn , W , Ta , Rb , Cs , F and Licausesincrease in Sn , W , Ta , Rb , Cs , F and Li

in the separation of olivineresultingin the separation of olivine

increasing δ18O in a magma series ( Peck et al . , 2004 ; Lackey et al . , 2012causesincreasing δ18O in a magma series ( Peck et al . , 2004 ; Lackey et al . , 2012

to the formation of rocks from trachybasalts to trachyrhyodacitesleadingto the formation of rocks from trachybasalts to trachyrhyodacites

to iron - enrichmentleadsto iron - enrichment

an occasional rhyolite flow as well ... but I ’ll leave discussion of the rhyolites of the North Shore for another daycan causean occasional rhyolite flow as well ... but I ’ll leave discussion of the rhyolites of the North Shore for another day

from the evolution of a single magmatic systemresultingfrom the evolution of a single magmatic system

to volatile enrichment and oversaturationledto volatile enrichment and oversaturation

to very silica - rich magma such as Both island arc and continental margin volcanoes contribute to make one of the largest subaerial volcanic regions on Earthcan eventually leadto very silica - rich magma such as Both island arc and continental margin volcanoes contribute to make one of the largest subaerial volcanic regions on Earth