- arcuate ring-dike
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English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
ring dike — noun : a dike of igneous rock having an arcuate outcrop that if fully developed is elliptical or circular in plan … Useful english dictionary
volcano — /vol kay noh/, n., pl. volcanoes, volcanos. 1. a vent in the earth s crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. 2. a mountain or hill, usually having a cuplike crater at the summit,… … Universalium
Coast Range Arc — Image of the Pacific Northwest. Red indicates the inferred boundaries of the Coast Range Arc. The Coast Range Arc was a large volcanic arc system, extending from northern Washington through British Columbia and the Alaska Panhandle to… … Wikipedia
plate tectonics — plate tectonic, adj. Geol. a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past… … Universalium