| 单词 | sedimentary rock |
| 释义 | sedimentary rock (once / 31351 pages) n WORD FAMILY sedimentary rock: sedimentary rocks USAGE EXAMPLESLike sedimentary rock, new layers keep accumulating, and that also applies to the team rosters. New York Times(Sep 29, 2016) Isua rocks are metamorphic - they formed from sedimentary rocks that have been subjected to intense heat and pressure - conditions that typically deform the rocks. The Guardian(Aug 31, 2016) Americans look anything but sedentary here among the formations of sedimentary rock. Washington Post(Aug 15, 2016) n rock formed from consolidated clay sediments Hypo|Hyper argillite a sedimentary rock differing from shale in being bound by silica and from slate in having no slate cleavages arenaceous rocka sedimentary rock composed of sand argillaceous rocka sedimentary rock formed from clay deposits rudaceous rocka sedimentary rock formed of coarse-grained material slatea fine-grained metamorphic rock that can be split into thin layers limestonea sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals shalea sedimentary rock formed by the deposition of successive layers of clay brecciaa rudaceous rock consisting of sharp fragments embedded in clay or sand rottenstone, tripolia weathered and decomposed siliceous limestone; in powdered form it is used in polishing sandstonea sedimentary rock consisting of sand consolidated with some cement (clay or quartz etc.) humic shaleshale that is rich in humic acids oil shaleshale from which oil can be obtained by heating rock, stone material consisting of the aggregate of minerals like those making up the Earth's crust |
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