| 释义 |
petrofabrics, n. pl. Geol.|pɛtrəʊˈfæbrɪks|
[f. petro- + fabric n.: see -ic 2.]
The texture and microscopic structure of a rock or rocks, or the study of these, esp. as guides to the movements to which they have been subjected. Cf. petrotectonics n. pl.
1934B. Sander in Amer. Jrnl. Sci. XXVIII. 37 (heading) Petrofabrics (Gefügekunde der Gesteine) and orogenesis. Ibid., Petrofabrics denotes the study of the internal space relations of a rock. 1949Q. Jrnl. Geol. Soc. CV. 111 The greatest contribution of the Sander-Schmidt school of petrofabrics has been its emphasis on the movements influencing fabric rather than on the forces responsible for the movements. 1960Liverpool & Manch. Geol. Jrnl. II. 503 (heading) New work on petrofabrics. 1974Nature 12 Apr. 621/3 Papers on..the petrofabrics of the peridotite suite xenoliths.
So petroˈfabric a.
1934B. Sander in Amer. Jrnl. Sci. XXVIII. 38 Petro⁓fabric analysis is..important for purely petrographic investigations that seek only descriptive characteristics of rocks. 1942M. P. Billings Structural Geol. xviii. 341 Many petrofabric diagrams show the attitude of the cleavage rather than the orientation of the optic axes. 1956E. W. Heinrich Microsc. Petrogr. vii. 208 Petrofabric studies reveal that the optic axes of the quartz grains usually are well oriented in one of several patterns. 1968B. Bayly Introd. Petrol. xxv. 303 There is..a large field known as petrofabric analysis, in which the orientation of many individual grains is studied. |