| 词汇 | arenaceous |
| 释义 | arenaceous adjective geology specializeduk /ær.ɪˈneɪ.ʃəs/ us /ær.ɪˈneɪ.ʃəs/ (of rock) made of sand or particles(= small pieces) similar to sand: （岩石）沙质的 The surface is loam, resting on a bed of arenaceous rock.表面是一层沃土，下面是一片沙质岩石。 Sediments of arenaceous or sandy texture are characterized by grain sizes which fall between 1/16 and 2 mm. The arenaceous rocks (arenites) include all those clastic sedimentary rocks whose particle sizes range from 2 to 0.06 mm. The formation has pebbly sandstones, arkosic sandstones and siltstones, and intercalated thin arenaceous shales. The coal-rich and largely argillaceous mid-A to mid-C Westphalian succession, and the coal-poor and largely arenaceous later C/early D Westphalian succession are very different. Geology: types of rock agglomerate arenite asthenosphere asthenospheric basaltic emery flinty gneiss intrusive lahar limestone lodestone magma marcasite marl marmoreal mudstone obsidian sandstone schist |
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