| 释义 |
diaphthoresis, n. Petrol.|ˌdaɪəfθəˈriːsɪs|
[f. Gr. διαϕθείρειν to destroy utterly (f. as dia- + ϕθείρειν to destroy), after Gr. nouns in -ησις: cf. G. Diaphthorit (F. Becke, 1909).]
Retrograde metamorphism.
1932[see retrograde a. 3 e]. 1948Mem. Geol. Soc. Amer. XXX. 299 Retrogressive metamorphism, or diaphthoresis, is the mineralogical adjustment of relatively high-grade metamorphic rocks to temperatures lower than those of their initial metamorphism. 1957Encycl. Brit. XV. 322/2 Reactions of adjustment to the conditions of lower temperature are..by no means altogether absent. The process of retrograde metamorphism is known as diaphthoresis. |