| 单词 | ring dyke |
| 释义 | > as lemmasring dyke ring dyke n. Geology a dyke that is arcuate or roughly circular in plan, formed by upwelling of magma in a conical or cylindrical fracture system. ΘΚΠ the world > the earth > structure of the earth > structural features > discontinuity or unconformity > [noun] > intrusion > dike riba1500 dike1802 ring dyke1915 the world > the earth > structure of the earth > structural features > volcanic formations > [noun] > lava formations > others pahoehoe1825 malpais1844 spatter rampart1856 ring wall1858 aa1859 pedregal1881 pillow structure1897 pillow1899 pillow lava1903 block lava1914 ring dyke1915 louderback1930 1915 Summary of Progress Geol. Surv. 1914 (HMSO: Museum Pract. Geol.) ii. 37 The Loch Bà felsite is the most perfect example of a ring-boss, or ring-dyke, anywhere known. 1954 J. F. Kirkaldy Gen. Princ. Geol. x. 119 At Glencoe in western Scotland is exposed a ring complex, consisting of circular ring-dykes. 2009 Gondwana Res. 15 39/2 The Rutig Formation of the Feirani Group is exposed between the Katherine ring dyke and the Katherine Pluton. < as lemmas |
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