upthrow
[noun uhp-throh; verb uhp-throh]
- an upheaval, as of the earth's surface.
- Geology. an upward displacement of rock on one side of a fault.
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- to throw or cast up or upward.
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Origin of upthrow
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
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Historical Examples
The higher side is called the heaved or upthrow side; the opposite side the thrown or downthrow side.
The Wonder Book of Volcanoes and EarthquakesEdwin J. Houston
Thrust faults hade to the upthrow; the hanging wall has gone up.
The Elements of GeologyWilliam Harmon Norton
There has also been a certain amount of upthrow owing to the hydrostatic pressure.
The Birth-Time of the World and Other Scientific EssaysJ. (John) Joly
With dip faults the crop is carried forward (down the dip) on the upthrow side.
upthrow
- geology the upward movement of rocks on one side of a fault plane relative to rocks on the other side
- rare an upward thrust or throw; upheaval
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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