tholeiitic


tho·lei·ite

T5190150 (tō′lə-īt′, thō′-)n. Any of a series of igneous rocks similar in composition to basalt but having more silica and iron and less aluminum.
[After Tholei (Tholey), municipality in Saarland, Germany, where it is found.]
tho′lei·it·ic (-ĭt′ĭk) adj.

tholeiitic

(ˌθəʊlɪˈɪtɪk) adjrelating to, characteristic of or resembling tholeiite