释义 |
Laurentian Shield
Laurentian Shield n (Physical Geography) another name for the Canadian Shield Also called: Laurentian Plateau Laurentian Shield
Laurentian Shield[lȯ′ren·chən ′shēld] (geology) A Precambrian plateau extending over half of Canada from Labrador southwest along Hudson Bay and northwest to the Arctic Ocean. Also known as Canadian Shield; Laurentian Plateau. ThesaurusSeeCanadian Shield |