upthrow
[ noun uhp-throh; verb uhp-throh ]
/ noun ˈʌpˌθroʊ; verb ʌpˈθroʊ /
noun
an upheaval, as of the earth's surface.
Geology. an upward displacement of rock on one side of a fault.
verb (used with object), up·threw, up·thrown, up·throw·ing.
to throw or cast up or upward.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for upthrow
The higher side is called the heaved or upthrow side; the opposite side the thrown or downthrow side.
The Wonder Book of Volcanoes and Earthquakes|Edwin J. HoustonWith dip faults the crop is carried forward (down the dip) on the upthrow side.
There has also been a certain amount of upthrow owing to the hydrostatic pressure.
The Birth-Time of the World and Other Scientific Essays|J. (John) JolyThrust faults hade to the upthrow; the hanging wall has gone up.
The Elements of Geology|William Harmon Norton
British Dictionary definitions for upthrow
upthrow
/ (ˈʌpˌθrəʊ) /
noun
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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