downfaultingn.
/ˈdaʊnfɔːltɪŋ/, /ˈdaʊnfɒltɪŋ/, U.S. /ˈdaʊnˌfɔltɪŋ/, /ˈdaʊnˌfɑltɪŋ/ Geology.
The lowering of a landform, area, etc., by faulting (faulting n. 2); an instance of this.
ΚΠ
1882 Proc. Boston Soc. Nat. Hist. 22 45 Valleys must be largely the result of dislocation and down-faulting.
1921 Bull. N.Y. State Mus. Nos. 225–226. 79 A down-faulting and tilting of the block.
1952 W. J. Miller Introd. Hist. Geol. (ed. 6) xix. 273 The load of accumulating sediments probably aided or accentuated the down-bending and down-faulting processes.
2007 Science 23 Mar. 1680/2 The withdrawal of oil, natural gas, and formation waters lowered pressures in underlying geologic features, probably causing downfaulting.
This entry has been updated (OED Third Edition, December 2018; most recently modified version published online March 2022).
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