upthrownadj.

Etymology: up- prefix 3b; see upthrow v.Previous versions of the OED give the stress as: upˈthrown.

Thrown or cast upwards; spec. in Geology, displaced or pushed upward on one side of a fault, relative to the other side.

ΘΚΠ

the world > movement > motion in a certain direction > upward movement > raising > [adjective] > thrown upwards

upcast1823

upthrown1898

uphurled-

1898 W. W. Watts Geol. for Beginners ix. 106 In miners' words a normal fault hades to the downthrown side, a reversed fault hades to the upthrown side.

1911 Minnesota Reports 111 59 The stone at the corner was twenty feet from the ditch on Seventh street, five or six feet from the upthrown dirt on Trott avenue, and respondent knew all about it.

1921 A. Huxley September in London Mercury Apr. 586 But, looking up, suddenly I see Leaves in the upthrown light of a street lamp shining.

1935 Geol. Natural Gas (Amer. Assoc. Petroleum Geologists) 664 Seismic surveys isolated a relatively small area with structural closure on the upthrown side of the fault.

1977 Offshore Engineer May 52/1 The structure is a tilted fault block with hydrocarbons trapped on the upthrown side of a normal fault in two culminations separated by a saddle.

1991 Oil & Gas Jrnl. 25 Mar. 61/3 The well is on a separate fault block in an area of upthrown three way closure.

This entry has not yet been fully updated (first published 1993; most recently modified version published online June 2019).

单词	upthrown
释义	upthrownadj. Etymology: up- prefix 3b; see upthrow v.Previous versions of the OED give the stress as: upˈthrown. Thrown or cast upwards; spec. in Geology, displaced or pushed upward on one side of a fault, relative to the other side. ΘΚΠ the world > movement > motion in a certain direction > upward movement > raising > [adjective] > thrown upwards upcast1823 upthrown1898 uphurled- 1898 W. W. Watts Geol. for Beginners ix. 106 In miners' words a normal fault hades to the downthrown side, a reversed fault hades to the upthrown side. 1911 Minnesota Reports 111 59 The stone at the corner was twenty feet from the ditch on Seventh street, five or six feet from the upthrown dirt on Trott avenue, and respondent knew all about it. 1921 A. Huxley September in London Mercury Apr. 586 But, looking up, suddenly I see Leaves in the upthrown light of a street lamp shining. 1935 Geol. Natural Gas (Amer. Assoc. Petroleum Geologists) 664 Seismic surveys isolated a relatively small area with structural closure on the upthrown side of the fault. 1977 Offshore Engineer May 52/1 The structure is a tilted fault block with hydrocarbons trapped on the upthrown side of a normal fault in two culminations separated by a saddle. 1991 Oil & Gas Jrnl. 25 Mar. 61/3 The well is on a separate fault block in an area of upthrown three way closure. This entry has not yet been fully updated (first published 1993; most recently modified version published online June 2019). < adj.1898
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