…The southeast side is the vast Russian platform, where Paleozoic and later sedimentary rocks cover a wide area on top of Precambrian bedrock. The vast stable area, including both the Russian platform and the Baltic Shield, west of the Ural Mountains, the northern shores of the Caspian and Black Seas, the northern edge of the Carpathians through central Poland to the Baltic Sea, was once the ancient core of the European continent, called Ur-Europa, and it is said that modern Europe was formed when the orogenic belts of the Paleozoic and later were added to it. Northern Europe was eroded by Quaternary glaciers, so there are many fresh outcrops of rocks, and beautiful red rapakivi granite and migmatite are widely exposed in Finland and Sweden, making it the birthplace of research on granite and gneiss. … *Some of the terminology that mentions "Ur-Europa" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…南東側は広大なロシア平坦地Russian platformとなり,先カンブリア時代の基盤岩の上を古生代以降の堆積岩層がひろくおおっている。ウラル山脈以西,カスピ海と黒海の北岸,カルパチ山脈北縁からポーランド中部を通ってバルト海に達するロシア平坦地とバルト楯状地の両者を含む広大な安定地域は,古くは原ヨーロッパUr‐Europaとよばれたヨーロッパ大陸の古い核で,この周囲に古生代以降の造山帯が付加され,現在のヨーロッパが形成されたといわれる。北ヨーロッパは第四紀の氷河で削られたため,岩石の新鮮な露頭が多く,フィンランドとスウェーデンには美しい赤色のラパキビ花コウ岩やミグマタイトが広く露出し,花コウ岩・片麻岩研究の発祥の地となった。… ※「Ur-Europa」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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