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Magma Interaction Recorded in Plagioclase Zoning in Granitoid Systems, Zigana Granitoid, Eastern Pontides, Turkey
plagioclase oscillatory zoning mafic-felsic magma interaction Zigana Granitoid eastern Pontides Turkey
2009/7/8
Plagioclase crystals characterized by compositional zoning are typical of the Zigana Granitoid (ZG), NE Turkey. The zoned crystals, which show textural equilibrium with the assemblage quartz + plagio...
Magma evolution recorded in plagioclase zoning in 1991 Pinatubo eruption products
Magma evolution plagioclase zoning Pinatubo eruption products
2012/4/6
Plagioclase, the mostabundant phenocryst at MountPinatubo, displays varying textures and compositions within the 1991 eruption products. In June 7-14 dome-forming ande-site, plagioclase phenocrysts sh...