Lee Gneiss

Hornblende-spotted plagioclase-hornblende-quartz gneiss and granofels and well-layered biotite-hornblende-plagioclase-quartz gneiss containing knots of diopside or epidote.
State Massachusetts
Name Lee Gneiss
Geologic age Proterozoic Y
Lithologic constituents
Major
Metamorphic > Granoblastic > GranofelsHornblende-spotted plagioclase-hornblende-quartz gneiss and granofels.
Metamorphic > GneissHornblende-spotted plagioclase-hornblende-quartz gneiss and granofels and well-layered biotite-hornblende-plagioclase-quartz gneiss containing knots of diopside or epidote.
Comments Part of Taconic-Berkshire Zone (Ordovician and Older Rocks); in Berkshire Highlands and Green Mountain Core
References
NGMDB product
Counties Berkshire