| 释义 |
exsolve,, v. Geol.|ɛkˈsɒlv|
[Back-formation from *exsolution n.]
a. trans. To form by exsolution.
b. intr. To separate out by exsolution.
1942Econ. Geol. XXXVII. 348 Solid solutions of each in the other exist above 475°C. and exsolve on cooling. 1951Jrnl. Geol. LIX. 482/1 In volcanic rocks pigeonite is preserved by quenching as a metastable phase. In plutonic rock it exsolves augite plates parallel to the (001) plane. 1966Jrnl. Petrol. VII. 454 Natural ‘anomalous bornites’..when heated exsolve chalcopyrite and, depending on their composition, also digenite. 1979Nature 3 May 33/1 The amount of water actually exsolving seemed to be insufficient. 1980Sci. Amer. Feb. 86/1 The ring fractures could propagate downward,..reducing the pressure of the magma so that the dissolved gases would be exsolved. 1988Nature 4 Feb. 408/1 At the still lower sub-solidus temperature of {ltappr}870 K, the homogeneous alloys exsolved into immiscible metallic phases.
Hence exˈsolved ppl. a., formed by exsolution.
1951Jrnl. Geol. LIX. 482/1 Orthopyroxene..retains the exsolved lamellae on the now relict (001) plane. 1976Nature 5 Feb. 387/2 Todorokite..readily oxidises and dehydrates to yield minute platelets of δ– MnO2 admixed with a separate exsolved FeOOH.nH2O phase. |