内ない帯たい

noun

inner zone of a mountain arc or island arc

Geological term for the concave side of a mountain arc or crescent-shaped archipelago. Often contrasted with 外帯 (the outer zone).

See also: 外帯

• 日本にほん列れっ島とうの内ない帯たいと外がい帯たいでは地ち質しつ構こう造ぞうが大おおきく異ことなる。

  The geological structure differs greatly between the inner and outer zones of the Japanese archipelago.

noun

Inner Zone of Southwest Japan

Specifically refers to the area of southwestern Japan north of the Median Tectonic Line. Often used in the compound 西南日本内帯.

See also: 西南日本内帯

• 西せい南なん日本にほん内ない帯たいには古ふるい花か崗こう岩がんが広ひろく分ぶん布ぷしている。

  Old granite is widely distributed in the Inner Zone of Southwest Japan.