| 释义 |
diastrophism Geol.|daɪˈæstrəʊfɪzm|
[f. Gr. διαστροϕή distortion, dislocation, διάστροϕος twisted, distorted, f. διαστρέϕειν to turn different ways, twist about, f. διά (dia-1) + στρέϕειν to turn: see -ism, and cf. catastrophism.]
A general term for the action of the forces which have disturbed and dislocated the earth's crust, and produced the greater inequalities of its surface. Hence diastrophic |daɪəˈstrɒfɪk|, of or pertaining to diastrophism. (Also, otherwise employed in quot. 1881.)
1881J. Milne in Nature XXV. 126 Other [earthquake shocks] again are compounded of direct and transverse motions, and might therefore be called diastrophic. 1890G. K. Gilbert Lake Bonneville i. 3 note (Funk) It is convenient also to divide diastrophism into orogeny..and epeirogeny. 1895J. W. Powell Physiogr. Processes, in Nat. Geogr. Monogr. I. i. 23 Regions sink and regions rise and the upheaval and subsidence may be called diastrophism, and we have diastrophic processes. |