North German Plain - Kita Germany Heiya (English name) Norddeutsches Tiefland

Japanese: 北ドイツ平野 - きたドイツへいや（英語表記）Norddeutsches Tiefland

A plain that stretches from east to west in northern Germany. It lies between the central German mountain range and the North Sea and the Baltic Sea, and is continuous with the plains of the Netherlands to the west and Poland to the east. Although it is a tectonic plain as a whole, it was covered by continental ice, mainly in Scandinavia, during three cold periods in the Pleistocene, and is composed mainly of glacial deposits of sand, gravel, clay, and loess (yellow earth) brought from the north. It is over 100 meters thick, and the Mesozoic and Tertiary strata that underlie it lie below, with only a small portion of it exposed on the surface. Although this area is a plain, it is not uniformly flat, with some areas exceeding 150 meters above sea level, and it is rich in gentle undulations.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

ドイツ北部に東西に広がる平野。ドイツ中部山地と北海，バルト海の間にあり，西はオランダ，東はポーランドの平野に続く。全体としては構造平野であるが，洪積世の3回の寒冷期にスカンジナビアを中心とする大陸氷に覆われたので，おもに北方からもたらされた砂，礫，粘土，レス(黄土)などの氷河堆積物からなる。その厚さは100m以上にも達し，基盤の中生代，第三紀の地層はこの下にあって，地表に露出する部分はごく少ない。この地域は平野といっても一様に平たんではなく，標高150mをこえる部分もあり，ゆるやかな起伏に富んでいる。

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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