单词 | sheeted zone |
释义 | > as lemmassheeted zone 5. Geology. Of rock (esp. granite) or a rock formation: having been divided into thin laminæ; sheeted zone, a belt of highly fissured rock associated with a fault, the fissures frequently being occupied by veins of minerals. ΘΚΠ the world > the earth > structure of the earth > structural features > [noun] > type of zone greenstone belt1872 sheeted zone1903 shatter belt1910 fault zone1931 slide area1959 fracture-zone1965 subduction zone1970 the world > the earth > structure of the earth > constituent materials > rock > texture or colour > [adjective] > texture > laminated scaly1538 scissile1552 platy1789 flat-bedded1793 schistose1794 schistous1803 sheeted1903 1903 Bull. U.S. Geol. Surv. No. 213. 99 The granite is sheeted near the veins, the planes of sheeting being parallel to the veins themselves. 1905 H. Ries Econ. Geol. xvii. 339 (caption) Ore along sheeted zone. 1905 H. Ries Econ. Geol. xvii. 340 Composite veins in sheeted basalt dikes. 1939 W. H. Emmons et al. Geol. (ed. 2) xvii. 425 Some veins fill single openings..others fill closely spaced parallel openings, which are sheeted zones. 1943 Jrnl. Geol. (Chicago) 51 82/1 During the glacial epoch these sheeted granites..must have been easily plucked and quarried by the advancing ice. 1974 Nature 29 Nov. 375/2 Shattered pebbles and sheeted bedrock are common weathering phenomena in most modern deserts. < as lemmas |
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