释义 |
upˈthrown, ppl. a. [up- 5; see upthrow v.] Thrown or cast upwards; spec. in Geol., displaced or pushed upward on one side of a fault, relative to the other side.
1898[see *downthrown ppl. a. 2]. 1911Minnesota Reports CXI. 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. 1921A. Huxley September in London Mercury Apr. 586 But, looking up, suddenly I see Leaves in the upthrown light of a street lamp shining. 1935[see seismic a. 1 a]. 1977Offshore 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. 1991Oil & Gas Jrnl. 25 Mar. 61/3 The well is on a separate fault block in an area of upthrown three way closure. |