argillite
any compact sedimentary rock composed mainly of clay materials; clay stone.
Origin of argillite
1Other words from argillite
- ar·gil·lit·ic [ahr-juh-lit-ik], /ˌɑr dʒəˈlɪt ɪk/, adjective
Words Nearby argillite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use argillite in a sentence
The fact that argillite continued in use until the very last does not affect this conclusion.
On reaching the head of it, we found argillite in a vertical position.
Summary Narrative of an Exploratory Expedition to the Sources of the Mississippi River, in 1820 | Henry Rowe SchoolcraftSandstone may be converted into quartzite, and shale into argillite, a compact, massive clay rock.
The Elements of Geology | William Harmon NortonNear the upper end of the camp, Avalanche Creek has cut a deep, narrow gorge through brilliant red argillite.
Glacier National Park [Montana] | United States Dept. of the InteriorTowering mountains close upon him upon both sides, that upon his right a celebrity in red argillite known as Rising Wolf.
The Book of the National Parks | Robert Sterling Yard
British Dictionary definitions for argillite
/ (ˈɑːdʒɪˌlaɪt) /
any argillaceous rock, esp a hardened mudstone
Origin of argillite
1Derived forms of argillite
- argillitic (ˌɑːdʒɪˈlɪtɪk), 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 argillite
[ är′jə-līt′ ]
A highly compacted sedimentary or slightly metamorphic rock consisting primarily of particles of clay or silt. Argillite differs from mudstone in that it does not have the same fine laminations, and from shale and slate in that it is not fissile.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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