| 释义 |
kenyte Petrogr.|ˈkɛnaɪt, ˈkiːnaɪt|
[f. the name of Mount Kenya, Kenya: see -ite1.]
A light red to pale brown rock consisting of olivine-bearing phonolitic trachyte.
1900J. W. Gregory in Q. Jrnl. Geol. Soc. LVI. 209 It is unadvisable to include the Mount Kenya lavas among the pantellerites, and the name of kenytes is accordingly proposed for them. 1921H. G. Ponting Gt. White South xi. 103 One of the most grotesque of these shapes was a monolith of kenyte... The geologists were much interested in this curiosity, and, as kenyte lava is very brittle, exhorted all not to injure it. 1954W. C. Smith in Brit. Antarctic ‘Terra Nova’ Expedition 1910, Nat. Hist. Rep.: Geol. II. iii. 41 It is now known that there is an important difference between the rocks of Mount Kenya named kenyte by J. W. Gregory and the lavas of Mount Erebus to which Prior extended the name. The kenytes of Mount Kenya actually contain large insets of nepheline. 1968Mineral. Abstr. XIX. 323/1 A K/Ar date determined from anorthoclase indicates an age of 0·68({pm}0·14) m.y. for the Antarctic kenyte of the Cape Royds area. |