tonalite

noun — 2 senses

tonalite

noun

Etymology Tonale + -ite

1

Geography, Geology, Natural sciences An igneous, plutonic rock composed mainly of plagioclase.

2

Geography, Geology, Natural sciences Dated Quartz diorite.

Derived terms
tonalite-trondhjemite-granodiorite, tonalitic

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.