| 单词 |
intersertal |
| 释义 |
intersertal, a. Petrogr.|ɪntəˈsɜːtəl|
[a. G. intersertal (F. Zirkel Untersuch. über Basalt. (1870) iv. 111), f. L. intersert-, ppl. stem of interserere (see intersert v.): see -al.]
Applied to the texture of igneous rocks containing a relatively small proportion of glass, augite, or other minerals in interstices between feldspar laths.
1893A. Geikie Text Bk. Geol. (ed. 3) ii. vii. 168 Under the name of Tholeite some interesting augite-andesites have been described, in which the felspar prisms form a network filled in with granular augite and interstitial matter (intersertal structure). 1916A. Johannsen tr. Weinschenk's Fund. Princ. Petrol. x. 199 Among the basic melaphyres there occurs a texture analogous to the ophitic, namely the intersertal. 1962Read & Watson Introd. Geol. vii. 412 Pyroxenes often include both augite and pigeonite; they occupy the spaces between the feldspars and are sometimes granular giving the intersertal texture. 1972Science 2 June 977/1 Sample 14310 is an intersertal plagioclase-rich basalt. |
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