Antique Line

Japanese: anticline

…
[Anticlines and synclines]
A fold that is convex upward from a horizontal plane is called an anticlinal structure, and the opposite is called a synform. On the other hand, a fold in which older strata are found toward the inside of the fold, regardless of the fold's orientation, is called an anticline, and conversely, a fold in which newer strata are found is called a syncline (Figure 1). In general areas where deformation is not very severe, anticlines form an anticline-like structure, and synclines form a syncline-like structure. …

*Some of the terminology that mentions "anticline" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…
［背斜と向斜］
　水平面を基準として上方に凸面を向けた褶曲を背斜状構造antiformといい，逆の場合を向斜状構造synformと呼ぶ。一方，褶曲の姿勢とは無関係に，褶曲の内側に向かって順次より古い地層が存在する褶曲を背斜anticlineといい，逆により新しい地層が見いだされるものを向斜synclineという(図1)。変形のあまり著しくない一般の地域では，背斜は背斜状構造をなし，向斜は向斜状構造をなす。…

※「anticline」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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