柯林斯詞典

Canadian Shield

• 1. N (in Canada) the wide area of Precambrian rock extending west from the Labrador coast to the basin of the Mackenzie and north from the Great Lakes to Hudson Bay and the Arctic: rich in minerals (在加拿大)加拿大地盾; 從拉布拉多沿海地區(qū)向西延伸至麥肯齊河，從五大湖向北延伸至哈得遜灣和北極的由前寒武紀(jì)巖石構(gòu)成的廣闊地區(qū)，此區(qū)域富含礦物質(zhì) (Also called Laurentian Shield, Laurentian Plateau)

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