1 entry 1 source
Greenstone
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
A name formerly applied rather loosely to certain dark-colored igneous rocks, including diorite, diabase, etc.
1 entry 1 source
Part of speech: noun (n.)
A name formerly applied rather loosely to certain dark-colored igneous rocks, including diorite, diabase, etc.