Consider Bowen's reaction series.Which mineral would you expect to see as a phenocryst in a porphyritic basalt?
A)olivine
B)quartz
C)orthoclase
D)sodium-rich plagioclase

Name: Consider Bowen's reaction series.Which mineral would you expect to see as a phenocryst in a porphyritic basalt? A)olivine B)quartz C)orthoclase D)sodium-rich plagioclase
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Olivine is an early-forming mineral in Bowen's reaction series and is commonly found as phenocrysts in porphyritic basalt.

Consider Bowen's Reaction Series