![5.0 Biotite quartz monzonite. Salisbury, North Carolina. Gray quartz, pink alkali feldspar, white to pink plagioclase feldspar, black biotite and magnetite, and red to orange hematite comprise the rock. [Scale at right is standard GSA scale with cm divisions.]](../5.0.JPG)
5.0 Biotite quartz monzonite. Salisbury, North Carolina. Gray quartz, pink alkali feldspar, white to pink plagioclase feldspar, black biotite and magnetite, and red to orange hematite comprise the rock. [Scale at right is standard GSA scale with cm divisions.]