Laurentian

英式音标：Laurentian怎么读

美式音标：Laurentian怎么读

Laurentian词义

折叠展开

n. （加拿大东南部）劳伦系；劳伦系岩石层adj. 劳伦系的


Laurentian英文词源

折叠展开

Laurentian
in reference to granite strata in eastern Canada, 1863, named for the Laurentian Mountains, where it is found, which are named for the nearby St. Lawrence River. Hence, Laurasia, Paleozoic supercontinent comprising North America and Eurasia, 1931, from German (1928), from Laurentia, geologists' name for the ancient core of North America + (Eur)asia.