| 释义 |
propylitization Petrol.|ˌprɒpɪlɪtaɪˈzeɪʃən|
[f. propylite + -ization.]
The hydrothermal alteration of an igneous rock to propylite.
1903A. Geikie Text-bk. Geol. (ed. 4) II. 812 The solutions..in their progress..induce chemical and mineralogical changes in the surrounding rocks which thus undergo various transformations, being sometimes weakened by the removal of certain constituents, as in propylitisation and kaolinisation. 1965G. J. Williams Econ. Geol. N.Z. viii. 87/1 The mineralization is a typical Tertiary andesitic propylitization of which there is evidence from Te Puke..in the south to Great Barrier Island in the north. Ibid., They found..that zones of intense propylitization (containing known gold-bearing veins) are detectable electrically. |