Canadian Greenland Shield

Japanese: カナダ・グリーンランド楯状地 - かなだぐりーんらんどたてじょうち
Canadian Greenland Shield

...the area in the northeastern part of the North American continent where metamorphic rocks and granites from the Archean and early to middle Proterozoic eras are widely distributed. It is also called the Canada-Greenland Shield, and was formerly called the Laurentian Shield. Since this area has been a stable region (craton) since the Paleozoic era, this craton has recently been called the "Central Stable Region."

*Some of the terminology referenced in the "Canadian-Greenland Shield" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…始生代や原生代前~中期の変成岩や花コウ岩が広く分布している北米大陸北東部の地域をいう。カナダ・グリーンランド楯状地ともよび,かつてはローレンシア楯状地Laurentian shieldとよばれた。ここは古生代以降安定地域(クラトン)であったので,このクラトンを近年〈中央安定地域〉とよんでいる。…

※「カナダ・グリーンランド楯状地」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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