活かつ褶しゅう曲きょくMeanings1nounactive foldgeologyGeological term for a fold that is currently forming or has formed recently in geological time.活かつ褶しゅう曲きょくは地じ震しん活かつ動どうと関かん連れんしていることが多おおい。Active folds are often associated with seismic activity.
