| 释义 |
Uriconian, a. Geol.|jʊərɪˈkəʊnɪən|
[f. Uriconi-um, name of Roman town at Wroxeter, + -an.]
Consisting of, pertaining to, a series of volcanic rocks such as constitute the Wrekin in Shropshire.
1886C. Callaway in Q. Jrnl. Geol. Soc. XLII. 481 In the Uriconian series itself I had found conglomerates full of rounded pieces of granitoid and gneissic rocks. Ibid. 483 The Charlton conglomerates are of Uriconian age. 1893Geikie Text Bk. Geol. (ed. 3) 710 The Uriconian volcanic group..is probably pre-Cambrian. |