unconformable
Americanadjective
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not conformable; not conforming.
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Geology. indicating discontinuity of any type in a stratigraphic sequence.
adjective
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not conformable or conforming
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(of rock strata) consisting of a series of younger strata that do not succeed the underlying older rocks in age or in parallel position, as a result of a long period of erosion or nondeposition
Other Word Forms
- unconformability noun
- unconformably adverb
Etymology
Origin of unconformable
First recorded in 1585–95; un- 1 + conformable
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
I’m always going to talk about what makes people unconformable.
From Los Angeles Times • Feb. 20, 2025
It is critical at a time of public health crisis to be aware of the line between panic and preparation, to speak tough and unconformable truths without being alarmist.
From Washington Times • Mar. 9, 2020
The thickness of the more modern and unconformable beds is about 750 feet, of which the upper 200 feet consist of Newer Pliocene strata, while the lower are Older Pliocene.
From The Student's Elements of Geology by Lyell, Charles, Sir
Etypic, -al, ē-tip′ik, -al, adj. unconformable to type.
From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various
Consequently, Cambrian strata are usually unconformable on older rocks.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
