| 单词 |
downthrown |
| 释义 |
downthrown, ppl. a.
(stress variable)
[f. down adv. + thrown ppl. a.]
That has been thrown down; spec. in Geol., designating the side of a fault that has moved downwards relative to the other side.
1897in N.E.D. s.v. Down adv. 35. 1898W. 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. 1909R. Kane Sermon of Sea vi. 89 They are all defiled, down-thrown, hurled from their high place to cower..under the rod of sin. 1939Bull. Amer. Assoc. Petroleum Geologists XXIII. 136 North of the State boundary for several miles the Shnabkaib shale member of the Moenkopi is the lowest zone exposed in the upthrown block, abutting against coarse detritus in the downthrown block. 1967Bull. Geol. Soc. Amer. LXXVIII. 1069/2 The exposures of Mesozoic sediments near the fault on the downthrown, or west, side of the Washington fault. 1977Offshore Engineer July 9/1 Shell/Esso's latest field,..is in fact on the downthrown side of the fault bounding the central North Sea Graben. |
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