diaclinal, a. Geol.
(daɪəˈklaɪnəl)
[f. Gr. διά through + κλίν-ειν to bend + -al.]
Of a valley, river, etc.: crossing a fold; passing through an anticline or syncline.
| 1874 J. W. Powell in Bull. Philos. Soc. Washington I. 50 Still other valleys were found cutting across folds. These were called diaclinal valleys. 1875 ― Explor. Colorado River xi. 160 Three varieties [of transverse valleys] are noticed: (a) diaclinal, those which pass through a fold, [etc.]. 1963 D. W. & E. E. Humphries tr. Termier's Erosion & Sedimentation v. 107 Valleys are classified by their relationship to the dip of the beds. These are: monoclinal or homoclinal rivers..; diaclinal..which cross folds. |