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
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
These, it will be seen, are horizontal, and lie in what is termed "unconformable stratification" on the more ancient series.
From Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology by Sir Charles Lyell
Consequently, Cambrian strata are usually unconformable on older rocks.
From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" by Various
A danger, unconformable, but none the less real, skirted their isolated house, had at last, according to the woman, forced an entrance.
From The Gray Mask by Wadsworth Camp
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