| 单词 | ring fracture |
| 释义 | > as lemmasring fracture ring fracture n. a fracture in the form of a circle; (Geology) a conical or nearly cylindrical fault associated with cauldron subsidence. [In spec. geological use after similar use of German Kreisbrüche (compare quot. 1919).] 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 1881 T. Wilhelm Mil. Dict. (rev. ed.) 288/2 Longitudinal strain, the strain on a cannon or fire-arm which tends to part it with a ring fracture. 1919 Geol. Mag. 56 469 In some ways the most interesting feature of Old Iceland is the ring-fracture system (Kreisbrüche) of the north-west peninsula. 1921 Internat. Clinics 3 266 A fall upon the buttocks may cause a ring fracture around the foramen magnum. 1965 A. Holmes Princ. Physical Geol. (rev. ed.) xi. 261 The ring dyke..represents the case where the weight of the keystone..has produced the ring fractures within which subsidence..has taken place. 1996 C. Frankel Volcanoes Solar Syst. x. 211 Resurgent calderas are characterized by ring fractures and ‘trap door’ faults. < as lemmas |
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