| 释义 |
neptunic, a. Geol.|nɛpˈtjuːnɪk|
[f. Neptune n. + -ic 1.]
= Neptunian a. 2 a; (see also quot. 1949).
1888J. J. H. Teall Brit. Petrogr. 424 Aqueous... This term embraces, or is synonymous with, the following: neptunic, hydatogenic, sedimentary, [etc.]. 1949H. H. Read Geology iii. 93 For the writer, then, the terms igneous and metamorphic are useful only on restricted occasions; a classification of rocks into Neptunic or sedimentary, Volcanic, and Plutonic will be found, he believes, to suit the earth-machine as a whole much better than the customary classification. 1983Geology XI. 455/3 A most puzzling feature of Alpine rocks is the origin of so-called neptunic dikes. Ibid., Neptunic dikes consist of sedimentary materials that fill fissures in older sedimentary rocks. |