upthrow

American  

[uhp-throh, uhp-throh] / ˈʌpˌθroʊ, ʌpˈθroʊ /

noun

1. an upheaval, as of the earth's surface.

2. Geology. an upward displacement of rock on one side of a fault.

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verb (used with object)

upthrew, upthrown, upthrowing

1. to throw or cast up or upward.

upthrow British  

/ ˈʌpˌθrəʊ /

noun

1. geology the upward movement of rocks on one side of a fault plane relative to rocks on the other side

2. rare an upward thrust or throw; upheaval

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Etymology

Origin of upthrow

First recorded in 1590–1600; up- + throw

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Example Sentences

See Examples For:

upthrow upthrew upthrowing upthrown

In Figure 184 the right side has gone down relatively to the left; the right is the side of the downthrow, while the left is the side of the upthrow.

From The Elements of Geology by William Harmon Norton

Out, traitor!" cried the girl with a quick, scornful upthrow of the chin, "it is the smile that saves you, Louis, lad.

From Patsy by S. R. (Samuel Rutherford) Crockett

Thrust faults hade to the upthrow; the hanging wall has gone up.

From The Elements of Geology by William Harmon Norton

For the next half-mile, the river keeps to the upthrow side of the fault, the scarp of which blocks the tributary streams from the west, forming a number of small pools.

From A Study of Recent Earthquakes by Charles Davison

The upthrow is uniformly on the eastern side of the fault.

From A Study of Recent Earthquakes by Charles Davison

Then, the vast volcano burst; rent the whole mass; upthrew the ancient rocks; which now in divers mountain tops tell tales of what existed ere Mardi was completely fashioned.

From Mardi: and A Voyage Thither, Vol. II by Herman Melville

Then, quick The sash upthrowing, she made as if to speak Harshly; but still he held his quiet eyes Upon her.

From Rose and Roof-Tree — Poems by George Parsons Lathrop

This a modern example of a Gilbert-type delta, which is a delta composed primarily of coarse material actively eroded from the mountainous upthrown block to the north.

From Textbooks ● Jan. 1, 2017

Next came a booming crash and a flood of upthrown water, in the wash of which that speaker was carried away into the deep.

From When the World Shook; being an account of the great adventure of Bastin, Bickley and Arbuthnot by Henry Rider Haggard

If fid-elitie to art inspire me a conceitednezz as high"--his upthrown hand quivered at arm's length--"as the flagpole of Hotel St. Louis dome yonder, tha'z better than a modestie withoud that.

From The Flower of the Chapdelaines by F. C. (Frederick Coffay) Yohn

Again, subsequently to the upheavement of the Cumbre chain, that of Uspallata was formed and elevated; and afterwards, I may add, in the plain of Uspallata, beds of sand and gravel were violently upthrown.

From Geological Observations on South America by Charles Darwin

Miss Flora's home--" Anna gave a start and with a hand half upthrown said quietly, "Don't tell me.

From Kincaid's Battery by Alonzo Kimball

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