| 释义 |
chondrule Min.|ˈkɒndruːl|
[f. as chondrite + -ule.]
A small spherical grain of mineral embedded in varying numbers in the matrix of chondritic meteorites. Also ˈchondrulite, chondruˈlitic a. (see quot. 1928).
1889in Cent. Dict. 1892Dana Syst. Min. (ed. 6) i. 32. 1896 L. Fletcher Introd. Study Meteorites 36 Through this paste are disseminated round chondrules of various sizes and with the same mineral composition as the matrix; in some cases the chondrules consist wholly or in great part of glass. 1906Iddings Rock Min. 294 Enstatite..occurs in meteorites in radiating aggregates called chondrules. 1928T. C. Chamberlin Two Solar Families 254 ‘Chondrulites’ is merely a more general term here used to include not only chondrules but their débris and all such quasi-chondrulitic material as cannot be called chondrules. It is here used for the primitive chondrulitic accretions, whether they develop into chondrules or not. 1944[see chondrite 2]. |