四国西部秩父帯，鳥形山-大野ヶ原石灰岩体と新期伊野変成コンプレックスの地質構造

Geological structures of the Torigatayama-Onogahara limestone body of the Permian accretionary complex and the Younger Ino metamorphic complex were studied in the Chichibu Terrain in West Shikoku. The Torigatayama-Onogahara limestone body consists of six limestone bodies, which occur in a convex way toward south. The limestone bodies are northward facing and form southward thrust sheet, and do not occur in the axial part of a synform. An antiform and a synform occur in the distributional area of the Younger Ino metamorphic complex. The antiform does not extend westward to the distributional area of the Yusugawa Unit of the Jurassic accretionary complex. The Permian accretionary complex and the Younger Ino metamorphic complex do not occupy the highest tectonic horizon in the Chichibu Terrain in West Shikoku.