quartz schist
Noun
Meaning
quartz schist (countable and uncountable, plural quartz schists)
(geology) A metamorphosed schist composed mostly of quartz with some mica and/or tourmaline.
Noun
quartz schist (countable and uncountable, plural quartz schists)
(geology) A metamorphosed schist composed mostly of quartz with some mica and/or tourmaline.