| 释义 |
psarolite Palæont.|ˈpsærəʊlaɪt|
[f. Gr. ψάρ starling (or ψᾱρός speckled) + λίθος stone (see -lite); app. rendering G. starstein, f. star starling + stein stone.]
Name for the silicified stems of tree-ferns found in the Permian or Lower New Red Sandstone, from the speckled markings which they exhibit in section. Also ˈpsaronite [f. mod.L. Psaronius, the generic name (L. psārōnius, name of some precious stone, Pliny) + -ite].
1859Page Handbk. Geol. Terms, Psarolítes or Psaronítes... From this speckled appearance, which is visible to the naked eye, these fossils have also obtained the popular name of Staaren-stein. 1865Ibid., Psaronites also occur in the Upper Coal-measures of France, United States, &c. [1873Dawson Earth & Man vi. 129 The stems of the tree-ferns of the Carboniferous [age] strengthened themselves by immense bundles of cord-like aerial roots, which look like enormous fossil brooms, and are known under the name Psaronius. ]1882Ogilvie, Psarolite, Psaronite. |