Uriconianadj.
/jʊərɪˈkəʊnɪən/ Geology.
Consisting of, pertaining to, a series of volcanic rocks such as constitute the Wrekin in Shropshire.
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the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [adjective] > volcanic > other volcanics
Uriconian1886
neovolcanic1887
metavolcanic1956
1886 C. Callaway in Q. Jrnl. Geol. Soc. 42 481 In the Uriconian series itself I had found conglomerates full of rounded pieces of granitoid and gneissic rocks.
1886 C. Callaway in Q. Jrnl. Geol. Soc. 42 483 The Charlton conglomerates are of Uriconian age.
1893 A. Geikie Text-bk. Geol. (ed. 3) 710 The Uriconian volcanic group..is probably pre-Cambrian.
This entry has not yet been fully updated (first published 1926; most recently modified version published online June 2018).
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adj.1886