abruptic

Adjective

not-comparable

(geology) Characterised by an abrupt change in texture.

Japanese Meaning

（地質学）急激な質感の変化を示す

During the field survey, we observed an abruptic contact where the porous ash suddenly met the dense lava.

野外調査中、私たちは多孔質の火山灰が突然緻密な溶岩と接する、質感が急激に変化する接触を観察した。

Sense（1）

(geology) Characterised by an abrupt change in texture.