...In many cases, the ring is not connected due to destruction caused by later explosions or the development of valleys, or due to covering by ejecta from the central cone. The inside of the outer rim is often a steep cliff called the crater wall or caldera wall, and the outside is often a gentle slope. Composite volcano [Ryusuke Suzuki]... *Some of the terminology that refers to "caldera walls" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…後の爆裂や谷の発達による破壊や中央丘噴出物の被覆によって環状に連なっていない場合も多い。外輪山の内側は火口壁またはカルデラ壁と呼ばれる急崖で,外側は緩斜面であることが多い。複式火山【鈴木 隆介】。… ※「カルデラ壁」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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