| 单词 | overlap fault |
| 释义 | > as lemmasoverlap fault overlap fault n. (a) Mining a fault in which two parts of the same seam come to lie one above the other, esp. with one inverted; (b) Geology (rare) = overthrust fault at overthrust n. ΘΚΠ the world > the earth > structure of the earth > structural features > discontinuity or unconformity > [noun] > fault > other types of fault heave1802 reversed fault1852 reverse fault1865 step-fault1879 ring fracture1881 overfault1883 overlap fault1883 overthrust1883 trough fault1883 thrust1888 thrust-fault1889 offset1897 cross-fault1900 tear-fault1900 distributive fault1904 cross-break1909 slide1910 strike-slip fault1913 rift1921 splay fault1942 wrench fault1951 megashear1954 transform fault1965 transform1971 1883 W. S. Gresley Gloss. Terms Coal Mining 180 Overlap fault, a peculiar kind of fault where a seam is reversed or doubled back over itself. 1886 J. Prestwich Geol. I. xv. 257 (caption) Great slide or overlap fault in the Radstock coalfield. 1902 H. Pim Witwatersrand Gold Mines 7, in Accounting & Business Res. (Nexis) 28 (1998) 281 In the unopened portions of the claim the assay value of the ore may change; the slope of the formation may increase or decrease, the ore sheets become thicker or thinner, overlap faults may double the reef. < as lemmas |
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