Geological term for a large area of exposed Precambrian crystalline rock, forming the ancient core of a continent.
The Canadian Shield occupies a vast area of the North American continent.
Shields consist of ancient rocks that form the stable cores of continents.
Means 'shield' in the sense of a protective device; 楯状地 is a geological term using the same character for its shield-like shape.
Craton; a larger concept that includes both shields and platforms. 楯状地 refers specifically to the exposed part of a craton.
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.