Granitic Migmatite
Place Collected:Cherry Mountain, New Hampshire
Object number: ROC122845
DescriptionMigmatite with granitic composition. Large plagioclase crystals (≤ 1 cm) which display carlsbad twins. Quartz vein (≤ 1 cm) cuts through sample. Lighter mica grains are found in the vein (≤ 6 mm) and darker mica grains are found in the host rock (≤ 5 mm).