| 单词 |
nephelinization |
| 释义 |
nephelinization Petrol.|nɛfəlɪnaɪˈzeɪʃən|
[f. nepheline + -ization.]
The alteration of a rock to one in which nepheline is an essential constituent.
1943Science 26 Mar. 286/2 It is believed that the nephelinization is post-folding, since the flow marble contains fragments of all rocks except those containing nepheline. 1969Bull. Brit. Mus. (Nat. Hist.) Mineral. II. 214 The nepheline syenites and ijolites are capable of desilicating the enclosing rock envelope—nephelinization. Ibid., The nephelinization at Tundulu has been shown..to be related to the main ring-dyke of foyaite.., while at Dorowa the nephelinized fenite..surrounds a body of foyaite and ijolite.
So ˈnephelinized, ˈnephelinizing ppl. adjs.
1943Science 26 Mar. 286/2 (heading) The nephelinized paragneisses of the Bancroft region, Ontario. 1946Jrnl. Geol. LIV. 167/2 The nephelinizing solutions..carried..soda and alumina, with quantities of volatiles, including H2O, Cl, P, and others. 1959W. W. Moorhouse Study Rocks in Thin Section xv. 311 The nephelinized gneisses include a wide variety of melanocratic to leucocratic rocks. 1969Nephelinized [see above]. |
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