| 单词 |
scapolitization |
| 释义 |
scapolitization Geol.|ˌskæpəlɪtaɪˈzeɪʃən|
[f. scapolite + -ize + -ation.]
The alteration of alumino-silicate minerals of igneous rocks into, or their replacement by, minerals of the scapolite group. Also scaˈpolitize v. trans.; scaˈpolitized ppl. a.
1909A. Harker Nat. Hist. Igneous Rocks xii. 302 (caption) Apatite vein with scapolitized borders. Ibid. 383/1 (Index), Scapolitization. 1924Mineral Abstr. II. 227 Chemical analyses by Pisani on fresh and scapolitized material from Pouzac show that the alteration is accompanied only by addition of sodium chloride. 1932A. Harker Metamorphism xvi. 255 This widespread scapolitization..is doubtless related to the mechanical conditions proper to regional metamorphism, which facilitate the permeation of the rocks by volatile bodies. 1936Nature 29 Feb. 366/2 Gabbroid rocks were intruded..and were followed by late-stage solutions which scapolitised the sediments, turned the gabbro into epidiorite and chloritised the Basement schists. 1954Jrnl. Geol. Soc. Australia I. 6 The current-bedded sediments are scapolitized calcareous rocks. a1965A. W. G. Whittle in G. J. Williams Econ. Geol. N.Z. (1965) xiv. 227/1 A large amount of titanite was introduced as anhedra during scapolitization, commonly aggregated to form elongated veins within the rock. |
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