noun
Geological term for a large area of exposed Precambrian crystalline rock, forming the ancient core of a continent.
カナダ楯状地は、北アメリカ大陸の広大な地域を占めている。
The Canadian Shield occupies a vast area of the North American continent.
楯
Shields consist of ancient rocks that form the stable cores of continents.
Standard kanji spelling for the geological term 'shield'.
Alternate kanji spelling using 盾 instead of 楯; both are used in geological contexts.
Mixed kana-kanji spelling; rarely used but listed.
Compound of 楯 (たて, 'shield') + 状 (じょう, 'shape') + 地 (ち, 'land'), literally 'shield-shaped land'. A calque of English 'shield' in the geological sense.