rhyolite
a fine-grained igneous rock rich in silica: the volcanic equivalent of granite.
Origin of rhyolite
1Other words from rhyolite
- rhy·o·lit·ic [rahy-uh-lit-ik], /ˌraɪ əˈlɪt ɪk/, adjective
Words Nearby rhyolite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use rhyolite in a sentence
Intrepid travelers can ice climb its namesake feature, hike through glassy frozen caves, or trek through Iceland’s dormant volcanoes and remote rhyolite mountains.
This is shown in the glaciated rock-surfaces of the rim that are covered with layers of pumice and rhyolite.
Your National Parks | Enos A. MillsGranite is an acidic rock corresponding to rhyolite in chemical composition.
The Elements of Geology | William Harmon NortonThe oldest volcanic rock appears to be rhyolite, which peers up in two small hills almost smothered beneath the lake deposits.
Volcanoes: Past and Present | Edward HullBasalt is less siliceous than granite and rhyolite, and contains much more iron, calcium, and magnesium.
Geology | William J. Miller
rhyolite and other forms of lava were last spread over the region.
Your National Parks | Enos A. Mills
British Dictionary definitions for rhyolite
/ (ˈraɪəˌlaɪt) /
a fine-grained igneous rock consisting of quartz, feldspars, and mica or amphibole. It is the volcanic equivalent of granite
Origin of rhyolite
1Derived forms of rhyolite
- rhyolitic (ˌraɪəˈlɪtɪk), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for rhyolite
[ rī′ə-līt′ ]
A usually light-colored, fine-grained extrusive igneous rock that is compositionally similar to granite. It often includes flow lines formed during the extrusion.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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