| 单词 | sedimentary |
| 释义 | sedimentary From Longman Dictionary of Contemporary EnglishOceanography, Geologysedimentarysed‧i‧men‧ta‧ry /ˌsedəˈmentəri◂/ adjective technicalHEOmade of the solid substances that settle at the bottom of the sea, rivers, lakes etcsedimentary rocksedimentary depositsExamples from the Corpussedimentary• On Earth, the deposit of sedimentary rock at the bottom of the ocean is part of larger geological cycles.• Limestone Any sedimentary rock consisting essentially of carbonates.• It was formed by the heating and crushing of shale, a sedimentary rock which has hardened from mud.• There is already evidence that mining corporations are interested in probing beneath the sedimentary rocks to find new deposits.• Oil, gas, and coal, composed of organic carbon compounds, are found as economic deposits in sedimentary rocks.• The deposits eventually become pressed under sedimentary weight into stone. |
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